Service Manuals, User Guides, Schematic Diagrams or docs for : HP 53131

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
53131


>> Download 53131 documenatation <<

Text preview - extract from the document
Agilent 53131A
Component Level
Information
Agilent 53131A Universal Counter
Component Level Information

Information in this packet applies to the following assemblies:

1. 53131-68002 PC Assembly (Front Panel)
2. 53131-68004 PC Assembly (Main Board)
3. 53131-68024 PC Assembly (Main Board)



The following is included in this packet:

1. Component locators
2. Schematics
3. Parts lists with Agilent and manufacturer's part numbers
Agilent 53131A
Universal Counter

53131-68002
Front Panel

Component Locator
Agilent 53131A
Universal Counter
53131-68002
Front Panel

Page 1 of 1
                                                               53131-68002 Parts List
        NOTE: This PC assembly is used in the 53131A, 53132A and 53181A. You may have no-load parts locations on your assembly and not all parts
                                                  listed in this parts list are present on your assembly.

      Reference
      Designator      Qty Agilent P/N                Description                            MPN                    Manufacturer
C1                     1  0180-4228   CAP-FXD 47uF +-20PCT 10V TA                   TAJD476M010            AVX
                                                                                    293D476X0010D2WE3      VISHAY
                                                                                    49MC476D010M0AS        VISHAY BC COMPONENTS
                                                                                    ESVD1A476M             NEC ELECTRONICS

C11                    1    0160-7438   CAP-FXD 0.01uF +-10pct 500 V CER X7R        12107C103KAT A         AVX
                                                                                    501S41W103KV6          JOHANSON DIELECTRICS

C3-10                  8    0160-6736   CAP-FXD 0.01uF +-10pct 50 V CER X7R         12065C103KAT A         AVX
                                                                                    C1206C103K5RAC         KEMET ELECTRONICS
                                                                                    C3216X7R1H103K         TDK
                                                                                    GRM316R71H103KD01D     MURATA MANUFACTURING
                                                                                    VJ1206Y103KXAMT        VISHAY


CR1                    1    1906-0291   DIODE-DUAL 70V 100MA T0-236AA               BAV99                  PHILIPS
                                                                                    BAV99                  FAIRCHILD SEMICONDUCTOR
                                                                                    BAV99LT1G              ON SEMICONDUCTOR
                                                                                    BAV99_____X_           INFINEON TECHNOLOGIES
                                                                                    BAV99                  NXP

DS1-23, DS26,          28   1990-1518   LED-LAMP GREEN COLOR LUM-INT 5MCD           LG T670-L1M2-1         OSRAM
DS27, DS30, DS31                        IF 30MA-MAX BVR 5V                          SMLC-GC                BIVAR
                                                                                    AA3528SGC              KINGBRIGHT AMERICAN

DS29                   1    5040-0023   Display Vac-Flor                            INB-12MM53T            SAMSUNG
R1, R9                 2    1810-1064   NET-RES 15 10.0K OHM 16-PIN                 767161103G             CTS
                                                                                    SOMC-16-01-103G        VISHAY
                                                                                    4816P-2-103LF          BOURNS

R2, R3, R5             3    0699-1433   RESISTOR 562 +-1pct .125W TKF TC=0+-100     CRCW1206562RFKE_       VISHAY
                                                                                    RK73H2BT_5620F         KOA
                                                                                    MCR18___F5620          ROHM
                                                                                    232272465621           YAGEO

R4                     1    0699-1387   RESISTOR 6.81K +-1pct .125W TKF TC=0+-100 CRCW12066K81FKE_         VISHAY
                                                                                  RK73H2BT_6811F           KOA
                                                                                  232272466812L            YAGEO
                                                                                  MCR18___F6811            ROHM

                                                                         1 of 2
                                                             53131-68002 Parts List
      NOTE: This PC assembly is used in the 53131A, 53132A and 53181A. You may have no-load parts locations on your assembly and not all parts
                                                listed in this parts list are present on your assembly.

     Reference
     Designator     Qty Agilent P/N                Description                             MPN                     Manufacturer
R6                   1  0699-1429   RESISTOR 383 +-1pct .125W TKF TC=0+-100       MCR18-F-3830           ROHM
                                                                                  RK73H2BT3830F          KOA
                                                                                  CRCW06031471F          VISHAY
                                                                                  232270464221           YAGEO
R7                   1   0699-1437    RESISTOR 825 +-1pct .125W TKF TC=0+-100     CRCW1206825RFKE_       VISHAY
                                                                                  RK73H2BT_8250F         KOA
                                                                                  MCR18___F8250          ROHM
                                                                                  232272468251           YAGEO

R8                   1   0699-1391    RESISTOR 10K +-1pct .125W TKF TC=0+-100     CRCW120610K0FKE_       VISHAY
                                                                                  RK73H2BT_1002F         KOA
                                                                                  MCR18___F1002          ROHM
                                                                                  232272461003L          YAGEO

S1                   1   3101-3226    SWITCH-PB DPDT ALTNG .1A 50 VAC             PVA2-EE-H1             ITT INDUSTRIES
U1                   1   1820-7612    IC INTERFACE DRVR NMOS DISPLAY LED          M5451Q                 STMICROELECTRONICS
                                                                                  MM5451BV               MICREL

U2                   1   1820-5330    IC INTERFACE DRVR BIPOLAR DISPLAY           HV518PJ                SUPERTEX
U3-U5                3   1820-5551    IC DRVR CMOS/HC LINE OCTL                   74HC244D               PHILIPS
                                                                                  MM74HC244WMX           FAIRCHILD SEMICONDUCTOR
                                                                                  SN74HC244DW            TEXAS INSTRUMENTS
                                                                                  MC74HC244ADWG          ON SEMICONDUCTOR
                                                                                  74HC244D               NXP

U7                   1   1826-2323    IC PWR MGT-V-REG-ADJ-POS 1.2/37V 3 PINS LM317MDT                   STMICROELECTRONICS
                                                                              LM317MDTG                  ON SEMICONDUCTOR

U8                   1   1820-5938    IC GATE CMOS/ACT NAND QUAD 2-INP            MC74ACT00DG            ON SEMICONDUCTOR
                                                                                  SN74ACT00D             TEXAS INSTRUMENTS
                                                                                  74ACT00SCX             FAIRCHILD SEMICONDUCTOR

                     1   8120-6143    CA - ASSY 28 AWG                            80-6105-1907-8         3M
                                                                                  8120-6143              LEEMAH ELECTRONICS
                     1   5180-0101    Shield-ESD                                  5180-0101              PARADIGM METAL INDUSTRIES




                                                                       2 of 2
Agilent 53131A
Universal Counter

53131-68004
Main Board

Component Locator
Agilent 53131A
Universal Counter

53131-68004
Main Board

Page 1 of 4
Agilent 53131A
Universal Counter

53131-68004
Main Board

Page 2 of 4
Agilent 53131A
Universal Counter

53131-68004
Main Board

Page 3 of 4
Agilent 53131A
Universal Counter

53131-68004
Main Board

Page 4 of 4
                                                              53131-68004 Parts List

     Reference
     Designator     Qty   Agilent P/N                 Description                          MPN               Manufacturer
C1, C140, C141,      5    0160-5947     CAP-FXD 1000pF +-10pct 50 V CER X7R      08055C102KAT A       AVX
C142, C143                                                                       C0805C102K5RAC       KEMET ELECTRONICS
                                                                                 C2012X7R1H102K       TDK
                                                                                 GRM216R71H102KA01D   MURATA MANUFACTURING

C106, C128, C192    3     0160-7438     CAP-FXD 0.01uF +-10pct 500 V CER X7R     12107C103KAT A       AVX
                                                                                 501S41W103KV6        JOHANSON DIELECTRICS

C117, C118          2     0160-7560     CAP-FXD 0.1uF +-20pct 16 V CER X7R       0805YC104MAT         AVX
                                                                                 C0805C104M4RAC       KEMET ELECTRONICS
                                                                                 C2012X7R1C104M       TDK
                                                                                 GRM219R71C104MA01D   MURATA MANUFACTURING
                                                                                 VJ0805Y104MXJMT      VISHAY

C12, C13, C155      3     0160-5962     CAP-FXD 15pF +-5pct 50 V CER C0G         08055A150JAT A       AVX
                                                                                 C0805C150J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H150J       TDK
                                                                                 GRM2165C1H150JD01D   MURATA MANUFACTURING

C120, C121, C122,   4     0160-5959     CAP-FXD 33pF +-5pct 50 V CER C0G         08055A330JAT A       AVX
C193                                                                             C0805C330J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H330J       TDK
                                                                                 GRM2165C1H330JD01D   MURATA MANUFACTURING

C129                1     0180-4660     CAP-FXD 470uF +-20pct 63 V AL-ELCTLT     KME63VB471M12X25LL   NIPPON CHEMI-CON
C130, C145, C147,   4     0160-5972     CAP-FXD 5.6pF 50 V CER C0G               08055A5R6DATA        AVX
C186                                                                             C0805C569D5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H5R6D       TDK
                                                                                 GRM2165C1H5R6DD01D   MURATA MANUFACTURING

C131                1     0160-5976     CAP-FXD 12pF +-5pct 50 V CER C0G         08051A120JAT A       AVX
                                                                                 C0805C120J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H120J       TDK
                                                                                 GRM2165C1H120JD01D   MURATA MANUFACTURING

C132                1     0121-0036     CAP-VAR 18pF 5.5pF 350 V CER             538-091-A-5.5-18     TUSONIX
C133, C134, C135,   5     0180-4116     CAP-FXD 22uF +-20PCT 20V TA              TAJD226M020          AVX
C195, C216                                                                       293D226X0020D2E3     VISHAY
                                                                                 ESVD1D226M           NEC TOKIN
                                                                                 SK2-1D226M-RD0       ELNA



                                                                       1 of 15
                                                             53131-68004 Parts List
     Reference
     Designator     Qty   Agilent P/N                 Description                          MPN               Manufacturer
C14, C198, C199,     6    0160-5952     CAP-FXD 330pF +-5pct 50 V CER C0G        08055A331JAT A       AVX
C204, C205, C206                                                                 C0805C331J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H331J       TDK
                                                                                 GRM2165C1H331JA01D   MURATA MANUFACTURING

C152, C153          2     0160-7430     CAP-FXD 270pF +-5pct 500 V CER C0G       12107A271JAT A       AVX
                                                                                 501S41N271JV6        JOHANSON DIELECTRICS

C178                1     0160-7416     CAP-FXD 1500pF +-10pct 50 V CER X7R      C0805C152K5RAC       KEMET ELECTRONICS
                                                                                 C2012X7R1H152KT      TDK

C2                  1     0180-3751     CAP-FXD 1uF +-20PCT 35V TA               TAJB105M035          AVX
                                                                                 293D105X0035B2E3     VISHAY
                                                                                 ESVB21V105M          NEC ELECTRONICS
                                                                                 SK-1V105M-RB         ELNA

C28, C36, C200,     4     0180-3975     CAP-FXD 2.2uF +-20PCT 20V TA             TAJB225M020          AVX
C202                                                                             293D225X0020B2E3     VISHAY
                                                                                 49MC225B020M0AS      VISHAY BC COMPONENTS
                                                                                 ESVB21D225M          NEC ELECTRONICS
                                                                                 T491B225M020AS       KEMET ELECTRONICS

C3, C194            2     0160-5956     CAP-FXD 56pF +-5pct 50 V CER C0G         08055A560JAT A       AVX
                                                                                 C0805C560J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H560J       TDK
                                                                                 GRM2165C1H560JD01D   MURATA MANUFACTURING

C4, C144, C146,     8     0160-5967     CAP-FXD 100pF +-5pct 50 V CER C0G        08055A101JAT A       AVX
C176, C177, C217,                                                                C0805C101J5GAC       KEMET ELECTRONICS
C218, C219                                                                       C2012COG1H101J       TDK
                                                                                 GRM2165C1H101JA01D   MURATA MANUFACTURING
                                                                                 VJ0805A101JXAMT      VISHAY

C5, C6              2     0160-5950     CAP-FXD 470pF +-5pct 50 V CER C0G        08055A471JAT A       AVX
                                                                                 C0805C471J5GAC       KEMET ELECTRONICS
                                                                                 C2012COG1H471J       TDK
                                                                                 GRM2165C1H471JA01D   MURATA MANUFACTURING
                                                                                 VJ0805A471JXAMT      VISHAY

C59, C136, C137,    7     0180-4287     CAP-FXD 10uF +-20PCT 35V TA              TAJD106M035          AVX
C160, C161, C196,                                                                293D106X0035D2WE3    VISHAY
C197                                                                             ESVD1V106M           NEC ELECTRONICS


                                                                       2 of 15
                                                                53131-68004 Parts List
     Reference
     Designator       Qty   Agilent P/N                  Description                         MPN               Manufacturer
C60, C61, C213,        6    0180-3755     CAP-FXD 33uF +-20PCT 10V TA              TAJD336M010          AVX
C214, C215, C220                                                                   293D336X0010D2E3     VISHAY
                                                                                   ESVD1A336M           NEC ELECTRONICS
                                                                                   T491D336M010AS       KEMET ELECTRONICS

C62                   1     0180-4977     CAP-FXD 330uF +-20PCT 10V TA SMT         TPME337M010_0035     AVX
                                                                                   T510X337M010AS       KEMET ELECTRONICS

C63, C138, C139,      1     0180-4228     CAP-FXD 47uF +-20PCT 10V TA              TAJD476M010          AVX
C159                                                                               293D476X0010D2WE3    VISHAY
                                                                                   49MC476D010M0AS      VISHAY BC COMPONENTS
                                                                                   ESVD1A476M           NEC ELECTRONICS

C7, C15, C65-C93,     80    0160-5945     CAP-FXD 0.01uF +-10pct 50 V CER X7R      08055C103KAT A       AVX
C96, C97, C99-C105,                                                                223858016627         YAGEO
C107, C109-C116,                                                                   C0805C103K5RAC       KEMET ELECTRONICS
C119, C123-C127,                                                                   C2012X7R1H103K       TDK
C156-C158, C162-                                                                   GRM216R71H103KA01J   MURATA MANUFACTURING
C175, C179-C185,                                                                   VJ0805Y103KXAMT      VISHAY
C191
C8, C154, C222,       4     0160-5975     CAP-FXD 10pF +-5pct 50 V CER C0G         08055A100JAT A       AVX
C223                                                                               C0805C100J5GAC       KEMET ELECTRONICS
                                                                                   GRM2165C1H100JD01D   MURATA MANUFACTURING

C9, C11, C16-C27,     54    0160-6497     CAP-FXD 0.1uF +-10pct 50 V CER X7R       12065C104KAT A       AVX
C29-C35, C37-C58,                                                                  2238 581 15649       YAGEO
C64, C94, C108,                                                                    C1206C104K5RAC       KEMET ELECTRONICS
C187-C190, C203,                                                                   C3216X7R1H104KT      TDK
C224-C226                                                                          GRM319R71H104KA01D   MURATA MANUFACTURING
                                                                                   VJ1206Y104KXAMT      VISHAY

C95, C150, C151,      4     0160-5978     CAP-FXD 2.2pF 50 V CER C0G               08055A2R2DATA        AVX
C212                                                                               C0805C229D5GAC       KEMET ELECTRONICS
                                                                                   C2012COG1H2R2C       TDK
                                                                                   GRM2165C1H2R2CD01D   MURATA MANUFACTURING

C98, C201             2     0160-7779     CAP-FXD 39pF +-5PCT 500 V CER C0G 1206   12067A390JAT_A       AVX
                                                                                   501R18N390JV6_       JOHANSON DIELECTRICS

CR11, CR12            2     1906-0387     DIODE-DUAL 30V TO-236AB (SOT-23)         MMBD1703A            FAIRCHILD SEMICONDUCTOR
CR13, CR14            2     1906-0334     DIODE-DUAL 200V 200MA T0-236AA           MMBD1503A            FAIRCHILD SEMICONDUCTOR



                                                                         3 of 15
                                                                53131-68004 Parts List
    Reference
    Designator         Qty   Agilent P/N                 Description                         MPN                     Manufacturer
CR1-CR4, CR15           5    1906-0291     DIODE-DUAL 70V 100MA T0-236AA            BAV99                    PHILIPS
                                                                                    BAV99                    FAIRCHILD SEMICONDUCTOR
                                                                                    BAV99LT1G                ON SEMICONDUCTOR
                                                                                    BAV99_____X_             INFINEON TECHNOLOGIES
                                                                                    BAV99                    NXP

CR7, CR8, CR9,         4     1901-1227     DIODE-SWITCHING 75V 200MA 6NS TO-236     BAS16                    PHILIPS
CR10                                                                                BAS16                    VISHAY
                                                                                    BAS16LT1G                ON SEMICONDUCTOR
                                                                                    BAS16                    NXP

DL1                    1     1810-1025     DELAY LINE PASSIVE DEVICE W/SINGLE       DL1L5XK200S              SUSUMU
E1, E4, E5, E6         4     9170-1431     CORE-SHIELDING BEAD                      HF50ACB-453215           TDK
E2, E3, E7             3     9170-1421     CORE-SHIELDING BEAD IMAX 1500MA          MI1210K600R-10           STEWARD
E8                     1     9170-1463     CORE-SHIELDING BEAD                      4330-030-36301           FERROXCUBE USA
                                                                                    2743021447               FAIR RITE PRODUCTS

J1, J2, J3, J14, J15   5     1250-1842     CONNECTOR-RF BNC FEMALE PC-W-STDFS 31-5506                        AMPHENOL
                                                                              5227677-1                      TYCO ELECTRONICS AMP

J18                    1     1252-4103     CONN-POST TYPE .156-PIN-SPCG-MTG-END 643886-2                     TYCO ELECTRONICS AMP
J4                     1     1252-2161     CONN-RECT MICRORBN 24-CKT 24-CONT    5554923-2                    TYCO ELECTRONICS AMP
J5                     1     1252-2266     CONN-RECT D-SUBMIN 9-CKT 9-CONT      5788793-1                    TYCO ELECTRONICS AMP
                                                                                DM10123-D5                   HON HAI PRECISION INDUSTRY


J6                     1     1252-4684     CONN-POST TYPE .100-PIN-SPCG-MTG-END     N3429-6202RB             3M
J7                     1     1252-4683     CONN-POST TYPE .100-PIN-SPCG-MTG-END     N3793-6202RB             3M
J9                     1     1252-4682     CONN-POST TYPE .100-PIN-SPCG-MTG-END     N3408-6202RB             3M
K1, K2, K3, K4,        8     0490-1828     RELAY 2C 5VDC-COIL 2A 30VDC              TQ2SA-5V                 MATSUSHITA
K5, K6, K8, K9                                                                      G6H-2F-DC5               OMRON

K7                     1     0490-1554     RELAY 1C 5VDC-COIL 0.5A 30VAC/DC       G6Y-1-DC5                  OMRON
L1                     1     9140-1107     INDUCTOR 2.2uH +-5pct 3.4W-mmX4.8LG-mm SMRF1812-221J              GOWANDA ELECTRONICS
L2                     1     9140-1458     INDUCTOR 3.3uH +-5pct 2.8W-mmX3.4LG-mm NLV32T-3R3J -PF            TDK
                                                                                  KL32T___3R3J               KOA

L3                     1     9100-3922     INDUCTOR FIXED Z GREATER THAN 1200 OHMS 120 TO 650
                                                                                99ZSPA45165                  TECHNITROL
                                                                                51-088                       GOWANDA ELECTRONICS

L4                     1     9140-1709     INDUCTOR FIXED 220uH +-10PCT 9D-mm Q 206000-221K-RC                   J.W. MILLER MAGNETICS
LBL1                   1     7121-7612     LBL-LNE-PTR LBL WOUND OUTSD 1.25X.25-INT1K-318064-10-9                TYCO INTERNATIONAL
LBL2, LBL3             2     7121-8049     LBL-LNE-PTR; .25-IN-WD X .50-IN-LG ; LABEL-LINE PRINTER ; WIDTH: 0.25 IN; LENGTH: .50 IN; ; 6 SYSTEMS
                                                                                       7121-8049                 EPC IDENTIFICATION LABELS HORIZONTAL; LABEL
                                                                         4 of 15
                                                               53131-68004 Parts List
     Reference
    Designator        Qty   Agilent P/N                 Description                             MPN            Manufacturer
LBL4                   1    7121-5459     LABEL-ANTISTATIC 2-IN-WD 3-IN-LG PPR      7121-5459          SPECIALTY ENTERPRISES
                                                                                    9035               SANMINA-SCI

Q1, Q5, Q37, Q38      4     1854-1037     TRANSISTOR NPN SI TO-236AA PD=350MW       MMBT3904           FAIRCHILD SEMICONDUCTOR
                                                                                    SST3904T116        ROHM
                                                                                    MMBT3904LT1G       ON SEMICONDUCTOR

Q11, Q12              2     1855-0831     TRANSISTOR MOSFET N-CHAN E-MODE TO-220 SI
                                                                              NTP18N06LG               ON SEMICONDUCTOR
Q13                   1     1855-0726     TRANSISTOR MOSFET P-CHAN E-MODE TO-220AB
                                                                              IRF9Z24PBF               INTERNATIONAL RECTIFIER
Q14, Q15, Q16         3     1853-0525     TRANSISTOR PNP SI TO-236AA PD=200MW MMBT2907                 FAIRCHILD SEMICONDUCTOR
                                                                              PMBT2907A                PHILIPS
                                                                              MMBT2907ALT1G            ON SEMICONDUCTOR
                                                                              PMBT2907A                NXP

Q17, Q19              2     1855-0807     TRANSISTOR J-FET N-CHAN D-MODE SOT-23 BF511                  PHILIPS
                                                                                BF511                  NXP

Q2, Q3, Q4, Q6,       6     1853-0567     TRANSISTOR PNP SI SOT-23 (TO-236AB)       MMBT3906           FAIRCHILD SEMICONDUCTOR
Q10, Q41                                                                            SST3906T116        ROHM
                                                                                    MMBT3906LT1G       ON SEMICONDUCTOR

Q21, Q22, Q23,        6     1854-1148     TRANSISTOR NPN SI SOT-23 (TO-236AB)       MMBTH10            FAIRCHILD SEMICONDUCTOR
Q24, Q25, Q26                                                                       MMBTH10LT1G        ON SEMICONDUCTOR

Q27, Q28, Q29, Q30,   7     1853-0516     TRANSISTOR PNP SI SOT-23 (TO-236AB)       MMBTH81            FAIRCHILD SEMICONDUCTOR
Q31, Q32, Q40

Q33, Q34               2    1854-1102     TRANSISTOR NPN SI SOT-23 (TO-236AB)       MMBTH24            FAIRCHILD SEMICONDUCTOR
R1, R5, R12, R18,     46    0699-1318     RESISTOR 1K +-1pct .125W TKF TC=0+-100    CRCW12061K00FKE_   VISHAY
R59, R63, R73, R77,                                                                 RK73H2BT_1001F     KOA
R79-R86, R88-R100,                                                                  MCR18___F1001      ROHM
R102, R119, R121,                                                                   232272461002L      YAGEO
R128, R191, R218,
R219, R241, R261,
R262, R263, R281,
R289-R292, R298

R101, R103, R193,     4     0699-1433     RESISTOR 562 +-1pct .125W TKF TC=0+-100   CRCW1206562RFKE_   VISHAY
R194                                                                                RK73H2BT_5620F     KOA
                                                                                    MCR18___F5620      ROHM
                                                                                    232272465621       YAGEO



                                                                        5 of 15
                                                             53131-68004 Parts List
     Reference
    Designator      Qty   Agilent P/N                 Description                           MPN               Manufacturer
R104, R105, R118,    7    0699-1431     RESISTOR 464 +-1pct .125W TKF TC=0+-100   CRCW1206464RFKE_   VISHAY
R120, R126, R127,                                                                 RK73H2BT_4640F     KOA
R270                                                                              MCR18___F4640      ROHM
                                                                                  232272464641       YAGEO

R106-R112, R286     8     0699-1360     RESISTOR 46.4 +-1pct .125W TKF TC=0+-100 CRCW120646R4FKE_    VISHAY
                                                                                 RK73H2BT_46R4F      KOA
                                                                                 MCR18___F46R4       ROHM
                                                                                 232272464649        YAGEO

R116, R117          2     0699-1503     RESISTOR 0 CWM                            CRCW12060000ZSE_   VISHAY
                                                                                  RK73Z2BT           KOA
                                                                                  MCR18___J000       ROHM
                                                                                  232271191005       YAGEO

R122                1     1810-1139     NET-RES 8 10.0K OHM 16-PIN                GM8A-03-1002-D-B   TT ELECTRONICS
                                                                                  TOMC-1603-1002D    VISHAY

R124, R125          2     0699-1382     RESISTOR 3.83K +-1pct .125W TKF TC=0+-100 CRCW12063K83FKE_   VISHAY
                                                                                  RK73H2BT_3831F     KOA
                                                                                  MCR18___F3831      ROHM
                                                                                  232272463832L      YAGEO

R13, R129, R130,    20    0699-1415     RESISTOR 100 +-1pct .125W TKF TC=0+-100   CRCW1206100RFKE_   VISHAY
R161-R170, R195,                                                                  RK73H2BT_1000F     KOA
R196, R254, R256,                                                                 MCR18___F1000      ROHM
R257, R322, R323                                                                  232272461001L      YAGEO

R132, R133          2     0699-1361     RESISTOR 51.1 +-1pct .125W TKF TC=0+-100 CRCW120651R1FKE_    VISHAY
                                                                                 RK73H2BT_51R1F      KOA
                                                                                 MCR18___F51R1       ROHM
                                                                                 232272465119        YAGEO

R134, R135, R136,   5     0699-1354     RESISTOR 26.1 +-1pct .125W TKF TC=0+-100 CRCW120626R1FKE_    VISHAY
R301, R302                                                                       RK73H2BT_26R1F      KOA
                                                                                 MCR18___F26R1       ROHM
                                                                                 232272462619        YAGEO

R139, R157, R158    3     0699-1427     RESISTOR 316 +-1pct .125W TKF TC=0+-100   CRCW1206316RFKE_   VISHAY
                                                                                  RK73H2BT_3160F     KOA
                                                                                  MCR18___F3160      ROHM
                                                                                  232272463161       YAGEO


                                                                      6 of 15
                                                               53131-68004 Parts List
     Reference
     Designator       Qty   Agilent P/N                  Description                         MPN                Manufacturer
R14, R55, R72, R74,   18    0699-1366     RESISTOR 82.5 +-1pct .125W TKF TC=0+-100 CRCW120682R5FKE_    VISHAY
R115, R266, R276,                                                                  RK73H2BT_82R5F      KOA
R277, R278, R279,                                                                  MCR18___F82R5       ROHM
R283, R284, R293,                                                                  232272468259        YAGEO
R294, R295, R296,
R304, R326

R141, R142, R207,     4     0699-1435     RES-FXD 681 OHM +-1PCT .125W TC 0+-100 CRCW1206681RFKE_      VISHAY
R208                                                                             RK73H2BT_6810F        KOA
                                                                                 MCR18___F6810         ROHM
                                                                                 232272466811          YAGEO

R143, R144, R264      3     0699-1375     RESISTOR 1.96K +-1pct .125W TKF TC=0+-100 CRCW12061K96FKE_   VISHAY
                                                                                    RK73H2BT_1961F     KOA
                                                                                    MCR18___F1961      ROHM
                                                                                    232272461962L      YAGEO

R147                  1     0699-2859     RES-FXD 51 OHM +-5PCT 1W TC 0+-200       CRCW251251R0JNE_    VISHAY
                                                                                   RK73B3AT__510J      KOA
                                                                                   MCR100___J510       ROHM

R148, R344            2     0699-2530     RESISTOR 100 +-1pct .25W TKF TC=0+-100   CRCW1210100RFKE_    VISHAY
                                                                                   RK73H2ET_1000F      KOA
                                                                                   MCR25___F1000       ROHM

R149, R150            2     0699-1439     RESISTOR 110K +-1pct .125W TKF TC=0+-100 CRCW1206110KFKE_    VISHAY
                                                                                   RK73H2BT_1103F      KOA
                                                                                   MCR18___F1103       ROHM
                                                                                   232272461104L       YAGEO

R15, R19-R27, R60     11    1810-1064     NET-RES 15 10.0K OHM 16-PIN              767161103G          CTS
                                                                                   SOMC-16-01-103G     VISHAY
                                                                                   4816P-2-103LF       BOURNS

R151, R152, R224,     4     0699-1337     RESISTOR 383K +-1pct .125W TKF TC=0+-100 CRCW1206383KFKE_    VISHAY
R225                                                                               RK73H2BT_3833F      KOA
                                                                                   MCR18___F3833       ROHM
                                                                                   232272463834        YAGEO




                                                                        7 of 15
                                                                53131-68004 Parts List
    Reference
    Designator        Qty   Agilent P/N                 Description                          MPN                Manufacturer
R153, R154             2    0699-1338     RESISTOR 511K +-1pct .125W TKF TC=0+-100 CRCW1206511KFKE_    VISHAY
                                                                                   RK73H2BT_5113F      KOA
                                                                                   MCR18___F5113       ROHM
                                                                                   232272465114        YAGEO

R155, R156            2     0699-1319     RESISTOR 12.1K +-1pct .125W TKF TC=0+-100 CRCW120612K1FKE_   VISHAY
                                                                                    RK73H2BT_1212F     KOA
                                                                                    MCR18___F1212      ROHM
                                                                                    232272461213L      YAGEO

R159, R160            2     0699-1443     RESISTOR 147K +-1pct .125W TKF TC=0+-100 CRCW1206147KFKE_    VISHAY
                                                                                   RK73H2BT_1473F      KOA
                                                                                   MCR18___F1473       ROHM
                                                                                   232272461474        YAGEO

R16, R67, R68,        18    0699-1418     RESISTOR 133 +-1pct .125W TKF TC=0+-100   CRCW1206133RFKE_   VISHAY
R123, R131, R173,                                                                   RK73H2BT_1330F     KOA
R174, R258, R259,                                                                   MCR18___F1330      ROHM
R260, R288, R303,                                                                   232272461331       YAGEO
R313, R314, R315,
R316, R317, R327
R17, R56, R57, R58,   10    0699-1376     RESISTOR 2.15K +-1pct .125W TKF TC=0+-100 CRCW12062K15FKE_   VISHAY
R71, R190, R202,                                                                    RK73H2BT_2151F     KOA
R211, R212, R310                                                                    MCR18___F2151      ROHM
                                                                                    232272462152       YAGEO

R171, R172, R209,     5     0699-1424     RESISTOR-FXD 237 +-1pct .25W TC 0+-100 1206
                                                                                   CRCW1206237RFKE_    VISHAY
R210, R268                                                                         RK73H2BT_2370F      KOA
                                                                                   MCR18___F2370       ROHM

R175, R176            2     0699-1904     RESISTOR 1.62K +-1pct .125W TKF TC=0+-100 CRCW12061K62FKE_   VISHAY
                                                                                    RK73H2BT_1621F     KOA
                                                                                    MCR18___F1621      ROHM
                                                                                    232272461622L      YAGEO

R179, R180            2     0699-1356     RESISTOR 31.6 +-1pct .25W TKF TC=0+-100   CRCW120631R6FKE_   VISHAY
                                                                                    RK73H2BT_31R6F     KOA
                                                                                    MCR18___F31R6      ROHM
                                                                                    232272463169       YAGEO

R181, R182, R183,     4     0699-2120     RESISTOR 2.7 +-5pct .125W TKF TC=0+-200   MCR18___J2R7       ROHM
R184


                                                                         8 of 15
                                                             53131-68004 Parts List
    Reference
    Designator      Qty   Agilent P/N                 Description                         MPN                 Manufacturer
R187, R188           2    0699-1545     RESISTOR 93.1K +-1PCT .125W TKF TC=0+-100 RCW120693K1FKE_
                                                                                C                    VISHAY
                                                                                RK73H2BT_9312F       KOA
                                                                                MCR18___F9312        ROHM
                                                                                232272469313         YAGEO

R189, R305, R306,   5     0699-1434     RES-FXD 619 OHM +-1PCT 0.125W TC 0+-100 1206
                                                                                CRCW1206619RFKE_     VISHAY
R307, R308                                                                      RK73H2BT_6190F       KOA
                                                                                MCR18___F6190        ROHM
                                                                                232272466191         YAGEO

R192, R287          2     0699-1330     RESISTOR 100K +-1pct .125W TKF TC=0+-100 CRCW1206100KFKE_    VISHAY
                                                                                 RK73H2BT_1003F      KOA
                                                                                 MCR18___F1003       ROHM
                                                                                 232272461004L       YAGEO

R198, R199          2     0699-1430     RESISTOR 422 +-1pct .125W TKF TC=0+-100   CRCW1206422RFKE_   VISHAY
                                                                                  RK73H2BT_4220F     KOA
                                                                                  MCR18___F4220      ROHM
                                                                                  232272464221       YAGEO

R2                  1     0699-1364     RESISTOR 68.1 +-1pct .125W TKF TC=0+-100 CRCW120668R1FKE_    VISHAY
                                                                                 RK73H2BT_68R1F      KOA
                                                                                 MCR18___F68R1       ROHM
                                                                                 232272466819        YAGEO

R200                1     0699-1380     RESISTOR 3.16K +-1pct .125W TKF TC=0+-100 CRCW12063K16FKE_   VISHAY
                                                                                  RK73H2BT_3161F     KOA
                                                                                  MCR18___F3161      ROHM
                                                                                  232272463162       YAGEO

R201, R331          2     0699-1447     RESISTOR 261K +-1pct .125W TKF TC=0+-100 CRCW1206261KFKE_    VISHAY
                                                                                 RK73H2BT_2613F      KOA
                                                                                 MCR18___F2613       ROHM
                                                                                 232272462614        YAGEO

R203, R204          2     0699-1388     RESISTOR 7.5K +-1pct .125W TKF TC=0+-100 CRCW12067K50FKE_    VISHAY
                                                                                 RK73H2BT_7501F      KOA
                                                                                 MCR18___F7501       ROHM
                                                                                 232272467502        YAGEO




                                                                      9 of 15
                                                          53131-68004 Parts List
    Reference
    Designator   Qty   Agilent P/N                 Description                           MPN                Manufacturer
R205, R206        2    0699-1437     RESISTOR 825 +-1pct .125W TKF TC=0+-100   CRCW1206825RFKE_    VISHAY
                                                                               RK73H2BT_8250F      KOA
                                                                               MCR18___F8250       ROHM
                                                                               232272468251        YAGEO

R213, R214       2     0699-1377     RESISTOR 2.37K +-1pct .125W TKF TC=0+-100 CRCW12062K37FKE_    VISHAY
                                                                               RK73H2BT_2371F      KOA
                                                                               MCR18___F2371       ROHM
                                                                               232272462372L       YAGEO

R216, R217       2     0699-1401     RESISTOR 28.7K +-1pct .125W TKF TC=0+-100 CRCW120628K7FKE_    VISHAY
                                                                               RK73H2BT_2872F      KOA
                                                                               MCR18___F2872       ROHM
                                                                               232272462873        YAGEO

R222, R223       2     0699-1331     RESISTOR 162K +-1pct .125W TKF TC=0+-100 CRCW1206162KFKE_     VISHAY
                                                                              RK73H2BT_1623F       KOA
                                                                              MCR18___F1623        ROHM
                                                                              232272461624L        YAGEO

R232, R233       2     0699-1381     RESISTOR 3.48K +-1pct .125W TKF TC=0+-100 CRCW12063K48FKE_    VISHAY
                                                                               RK73H2BT_3481F      KOA
                                                                               MCR18___F3481       ROHM
                                                                               232272463482        YAGEO

R234, R235       2     0699-1370     RESISTOR 1.21K +-1pct .125W TKF TC=0+-100 CRCW12061K21FK E_   VISHAY
                                                                               RK73H2BT_1211F      KOA
                                                                               MCR18___F1211       ROHM
                                                                               232272461212        YAGEO

R236, R237       2     0699-1396     RESISTOR 17.8K +-1pct .125W TKF TC=0+-100 CRCW120617K8FKE_    VISHAY
                                                                               RK73H2BT_1782F      KOA
                                                                               MCR18___F1782       ROHM
                                                                               232272461783L       YAGEO

R240             1     0699-1369     RESISTOR 1.1K +-1pct .125W TKF TC=0+-100 CRCW12061K10FKE_     VISHAY
                                                                              RK73H2BT_1101F       KOA
                                                                              MCR18___F1101        ROHM
                                                                              232272461102L        YAGEO




                                                                   10 of 15
                                                             53131-68004 Parts List
    Reference
    Designator      Qty   Agilent P/N                  Description                         MPN                Manufacturer
R244-R253           10    0699-1357     RESISTOR 34.8 +-1pct .125W TKF TC=0+-100 CRCW120634R8FKE_    VISHAY
                                                                                 RK73H2BT_34R8F      KOA
                                                                                 MCR18___F34R8       ROHM
                                                                                 232272463489        YAGEO

R267                1     0699-1456     RESISTOR 562K +-1pct .125W TKF TC=0+-100 CRCW1206562KFKE_    VISHAY
                                                                                 RK73H2BT_5623F      KOA
                                                                                 MCR18___F5623       ROHM
                                                                                 232272465624L       YAGEO

R273                1     0699-1428     RESISTOR 348 +-1pct .125W TKF TC=0+-100   CRCW1206348RFKE_   VISHAY
                                                                                  RK73H2BT_3480F     KOA
                                                                                  MCR18___F3480      ROHM
                                                                                  232272463481       YAGEO

R274                1     0699-1352     RESISTOR 21.5 +-1pct .125W TKF TC=0+-100 CRCW120621R5FKE_    VISHAY
                                                                                 RK73H2BT_21R5F      KOA
                                                                                 MCR18___F21R5       ROHM
                                                                                 232272462159        YAGEO

R28, R177, R178     3     0699-1466     RESISTOR 10M +-10pct .125W TKF TC=0+-200 CRCW1206106KJNE_    VISHAY
                                                                                 RK73B2BT_106J       KOA
                                                                                 MCR18___K106        ROHM
                                                                                 232271161106        YAGEO

R29                 1     0699-1403     RESISTOR 31.6K +-1pct .125W TKF TC=0+-100 CRCW120631K6FKE_   VISHAY
                                                                                  RK73H2BT_3162F     KOA
                                                                                  MCR18___F3162      ROHM
                                                                                  232272463163L      YAGEO

R3                  1     0699-1322     RESISTOR 68.1K +-1pct .125W TKF TC=0+-100 CRCW120668K1FKE_   VISHAY
                                                                                  RK73H2BT_6812F     KOA
                                                                                  MCR18___F6812      ROHM
                                                                                  232272466813       YAGEO

R30-R33, R36-R39,   26    0699-1423     RESISTOR 215 +-1pct .125W TKF TC=0+-100   CRCW1206215RFKE_   VISHAY
R43-R46, R49-R52,                                                                 RK73H2BT_2150F     KOA
R215, R226-R231,                                                                  MCR18___F2150      ROHM
R280, R282, R285                                                                  232272462151L      YAGEO




                                                                      11 of 15
                                                                53131-68004 Parts List
     Reference
    Designator        Qty   Agilent P/N                 Description                           MPN             Manufacturer
R318                   1    0699-2979     RESISTOR 1.21K +-1pct .1W TKF TC=0+-100   CRCW08051K21FKE_   VISHAY
                                                                                    RK73H2AT_1211F     KOA
                                                                                    MCR10___F1211      ROHM
                                                                                    232273461212       YAGEO
                                                                                    MC08051211-FT      RCD COMPONENTS

R324, R325, R328,     4     0699-1421     RESISTOR 178 +-1pct .125W TKF TC=0+-100   CRCW1206178RFKE_   VISHAY
R329                                                                                RK73H2BT_1780F     KOA
                                                                                    MCR18___F1780      ROHM
                                                                                    232272461781       YAGEO

R335                  1     0699-2643     RES-FXD 0 OHM +-5PCT .1W TC 0+-300        CRCW08050000ZSE_   VISHAY
                                                                                    CR21-000-ZL        ASJ
                                                                                    MCR10___J000       ROHM
                                                                                    RK73Z2AT           KOA
                                                                                    232273091002L      YAGEO
                                                                                    ZC0805-TW          RCD COMPONENTS

R339, R342            2     0699-3034     RESISTOR 1K +-1pct .1W TKF TC 0+-100      CRCW08051K00FKE_   VISHAY
                                                                                    RK73H2AT_1001F     KOA
                                                                                    232273461002L      YAGEO
                                                                                    MCR10___F1001      ROHM
                                                                                    MC08051001-FT      RCD COMPONENTS

R34, R35, R40, R41,   8     0699-1419     RESISTOR 147 +-1pct .125W TKF TC=0+-100   CRCW1206147RFKE_   VISHAY
R62, R113, R114,                                                                    RK73H2BT_1470F     KOA
R275                                                                                MCR18___F1470      ROHM
                                                                                    232272461471L      YAGEO

R341                  1     0699-2887     RESISTOR 31.6 +-1pct .1W TKF TC=0+-100    CRCW080531R6FKE_   VISHAY
                                                                                    RK73H2AT_31R6F     KOA
                                                                                    MCR10___F31R6      ROHM
                                                                                    MC080531R6-FT      RCD COMPONENTS

R4, R185, R186        3     0699-1407     RESISTOR 46.4K +-1pct .125W TKF TC=0+-100 CRCW120646K4FKE_   VISHAY
                                                                                    RK73H2BT_4642F     KOA
                                                                                    MCR18___F4642      ROHM
                                                                                    232272464643       YAGEO




                                                                        12 of 15
                                                               53131-68004 Parts List
     Reference
     Designator       Qty   Agilent P/N                 Description                           MPN               Manufacturer
R42, R78, R220,        5    0699-1417     RESISTOR 121 +-1pct .125W TKF TC=0+-100   CRCW1206121RFKE_   VISHAY
R221, R265                                                                          RK73H2BT_1210F     KOA
                                                                                    MCR18___F1210      ROHM
                                                                                    232272461211       YAGEO

R47, R48              2     0699-1426     RESISTOR 287 +-1pct .125W TKF TC=0+-100   CRCW1206287RFKE_   VISHAY
                                                                                    RK73H2BT_2870F     KOA
                                                                                    MCR18___F2870      ROHM
                                                                                    232272462871       YAGEO

R53, R54, R65, R66,   6     0699-1391     RESISTOR 10K +-1pct .125W TKF TC=0+-100 CRCW120610K0FKE_     VISHAY
R69, R70                                                                          RK73H2BT_1002F       KOA
                                                                                  MCR18___F1002        ROHM
                                                                                  232272461003L        YAGEO

R6                    1     0699-1448     RESISTOR 316K +-1pct .125W TKF TC=0+-100 CRCW1206316KFKE_    VISHAY
                                                                                   RK73H2BT_3163F      KOA
                                                                                   MCR18___F3163       ROHM
                                                                                   232272463164        YAGEO

R61, R146, R238,      7     0699-1372     RESISTOR 1.47K +-1pct .125W TKF TC=0+-100 CRCW12061K47FKE_   VISHAY
R239, R242, R243,                                                                   RK73H2BT_1471F     KOA
R312                                                                                MCR18___F1471      ROHM
                                                                                    232272461472       YAGEO

R64                   1     0699-1385     RES-FXD 5.11K +-1PCT .125W TC 0+-100      CRCW12065K11FKE_   VISHAY
                                                                                    RK73H2BT_5111F     KOA
                                                                                    MCR18___F5111      ROHM
                                                                                    232272465112L      YAGEO

R7, R8, R10           3     0699-1386     RESISTOR 5.62K +-1pct .125W TKF TC=0+-100 CRCW12065K62FKE_   VISHAY
                                                                                    RK73H2BT_5621F     KOA
                                                                                    MCR18___F5621      ROHM
                                                                                    232272465622L      YAGEO

R75, R137, R138,      8     0699-1432     RESISTOR 511 +-1pct .125W TKF TC=0+-100   CRCW1206511RFKE_   VISHAY
R197, R255, R269,                                                                   RK73H2BT_5110F     KOA
R271, R272                                                                          MCR18___F5110      ROHM
                                                                                    232272465111L      YAGEO




                                                                        13 of 15
                                                              53131-68004 Parts List
     Reference
     Designator      Qty   Agilent P/N                 Description                           MPN                Manufacturer
R76, R140, R145       3    0699-1378     RESISTOR 2.61K +-1pct .125W TKF TC=0+-100 CRCW12062K61FKE_   VISHAY
                                                                                   RK73H2BT_2611F     KOA
                                                                                   MCR18___F2611      ROHM
                                                                                   232272462612L      YAGEO

U1                   1     1820-6075     IC CNTR CMOS/HCT DECD ASYNCHRO           74HCT390D           PHILIPS
                                                                                  74HCT390D           NXP

U12, U13             2     1818-4218     IC SRAM 256K-BIT 70-NS CMOS 28-SOIC    CY62256NLL-70SNXC     CYPRESS SEMICONDUCTOR
U14                  1     1818-5128     IC 64K-BIT EEPROM 200-NS CMOS          AT28C64B-15JU         ATMEL
U15, U16, U17, U18   4     1820-5934     IC DCDR-DEMUXR CMOS/AC BIN 8-TO-1-LINE MC74AC138DR2G         ON SEMICONDUCTOR
U19                  1     1820-7216     IC MUXR/DATA-SEL CMOS/AC 8-TO-1-LINE   74AC251SCX.           FAIRCHILD SEMICONDUCTOR
U2                   1     1820-5753     IC MUXR/DATA-SEL 4-TO-1-LINE 16-SOIC   74HC253D              PHILIPS
                                                                                74HC253D              NXP

U20                  1     1822-0639     IC HPIB CONTROLLER                     14063-501             AMIS SEMICONDUCTOR
U21                  1     1820-6176     IC INTERFACE XCVR BIPOLAR BUS OCTL     SN75ALS160DW          TEXAS INSTRUMENTS
U22                  1     1820-6175     IC INTERFACE XCVR BIPOLAR BUS OCTL     SN75ALS162DW          TEXAS INSTRUMENTS
U23                  1     1820-7662     IC INTFC DRVR/RCVR BIPOLAR DUAL 18-SOICLT1180ACSW            LINEAR TECHNOLOGY
U25                  1     1826-1897     IC PWR MGT-VS-SUPVR/CONT               TL7705ACD1/A          STMICROELECTRONICS
                                                                                TL7705ACD             TEXAS INSTRUMENTS

U26, U49             2     1820-6412     TRANSISTOR ARRAY 16-PIN PLSTC SURFACEULN2003AD               TEXAS INSTRUMENTS
                                                                              MC1413DG                ON SEMICONDUCTOR

U27, U28, U29        3     1820-7281     IC TRANSCEIVER CMOS/ACL BUS OCTL         74ACT11245DW        TEXAS INSTRUMENTS
U3                   1     1826-2236     IC PL LOOP LP SINGLE 16 PIN PLSTC-SOIC   74HCT7046AD         PHILIPS
                                                                                  74HCT7046AD         NXP

U30                  1     0950-2325     DC-DC-CONV 12 VDC NOM INP; DL-OUT        E2577VF             ENDICOTT RESEARCH GROUP
U31                  1     1820-6473     IC FF CMOS/ACT D-TYPE POS-EDGE-TRIG      MC74ACT74DG         ON SEMICONDUCTOR
                                                                                  SN74ACT74D          TEXAS INSTRUMENTS
                                                                                  74ACT74SCX          FAIRCHILD SEMICONDUCTOR

U32                  1     1820-5235     IC GATE TTL/ALS AND QUAD 2-INP           DM74ALS09MX         FAIRCHILD SEMICONDUCTOR
U33, U34             2     1820-5938     IC GATE CMOS/ACT NAND QUAD 2-INP         MC74ACT00DG         ON SEMICONDUCTOR
                                                                                  SN74ACT00D          TEXAS INSTRUMENTS
                                                                                  74ACT00SCX          FAIRCHILD SEMICONDUCTOR

U35                  1     1820-5607     IC RCVR ECL/10KH LINE TPL                MC10H116FNG         ON SEMICONDUCTOR




                                                                      14 of 15
                                                            53131-68004 Parts List
      Reference
      Designator   Qty   Agilent P/N                 Description                        MPN              Manufacturer
U36                 1    1826-1402     IC PWR MGT-V-REG-FXD-POS 4.8/5.2V 8 PINSUA78L05ACD        TEXAS INSTRUMENTS
                                                                               MC78L05ACDR2G     ON SEMICONDUCTOR
                                                                               LM78L05ACM NOPB   NATIONAL SEMICONDUCTOR

U37, U38           2     1826-1601     IC PWR MGT-V-REF-ADJ 2.5/36V 8 PINS     TL431CD           TEXAS INSTRUMENTS
                                                                               LM431ACMNOPB      NATIONAL SEMICONDUCTOR

U39, U40           2     1820-6277     IC SHF-RGTR CMOS/HC SYNC/ASYNC SERIAL-IN
                                                                            MC74HC595ADG         ON SEMICONDUCTOR
                                                                            MM74HC595M           FAIRCHILD SEMICONDUCTOR
                                                                            N74HC595D            PHILIPS
                                                               



◦ Jabse Service Manual Search 2019 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo