Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD SD-420 hfe_toshiba_sd-420_service_en

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hfe_toshiba_sd-420_service_en


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                    FILE NO. 810-200216




SERVICE MANUAL



     DVD VIDEO PLAYER
                 SD-420EB
                 SD-420EE




                             JULY, 2002
                                                                        DISC
                                                                                                                                                                                                                                                                                                                              EE_CS , EE_CLK , EE _OUT




                                                                                                                                                                                                                                                                                           LADD
                                                                                                                                                                                                                                                                                           [04:19]              I C3F1                                                                                                   I C502
                                                                                                            DVD: A,B,C,D,                                                                                                                                                                                                                        IC304
                                                                                                            DVD; RF                      IC2A1                                                                       MIRR                                                                                      FLA SH                                                                                                    93C56
                                                                                                            CD: A,B, E, F                                                                                                                                                                                       ROM                             SDRAM
                                                                                       PICK                                            Hd153702TF                                                              RF_XLA T , LDON                                                                                                                                                                                          EEPROM
                            SPINDLE                                                                                                                                                                                                                                                                                                             16/32BIT
                                                                        M              UP
                             MOTOR                                                                                                         RF                                                                                        /FLD_CS             I C301                                                                                   64M
                                                                                                                                                                                                                                     FLD_CLK                                                             LA 0
                                                                                                                                                                                                                                     FLD_OUT
                                                                                                                                                                                                                                                       XC9572VL




                                                                                                                                                                                                                                                                                                  AD[
                                                                                                                                                                                                                                                                                                         LA 1




                                                                                                                                                                                                                       FLD
                                                                                                                                                                                                                                                                                                  00     LA 2




                                                                                                                                                                                                                                                                                                  :
                                                                                                                                                                                                                                                        CPLD                                      15     LA 3




                                                                                                                                                                                                                                                                                                  ]
                            LOADING                                                                                                                                                                                                                  I/O PORT 72
                             MOTOR                                                                                         MSDATO
                                                                                                                              MDP1                                                                                       /XRST
                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Overall Block Diagram




                                                                                                                               FOK
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       BLOCK DIAGRAMS




                               M                                                                                           DEFECT




       DECK M ECHANI SM
                                                                                                                         DSP_SENSE




                                                                                                                                                                                                                                                                                                          PWEO
                                                                                                                              LOCK                                                                                                                                                                                                                                                       16
                                                                                                                                                                                                                                                                                                                                                                                      :




                                                                                    OPEN_SW
                                                                                                                            E_SOUT                                                                                                                XI O1,XIO                                                                                 MCLK2                                        9
                                                                                   CLOSE_SW                                 ZISENB                                                                                                                   ,XIO10                                                                                   CKE




                                                                                                                                                                      FE,DFECT_IN
                                                                                                                                                                                       SBADD , RFO
                                                                                                                                                                                                                                                                        AD[




                                                                                                                  CPLD




                                                 FOCUS,TRACKI NG,SLED
                                                                                                                                                                                                                                                      /SRST                                                                               MA[00:10]




                                                                                                                                                                      MIRR,TZC,PI,TE
                                                                                    LI MIT_SW                                                                                                                                                                           04




                                                                                                                                                                                                                                                                        :
                                                                                                                                                                                                                                                     F_CLK                                                                                 MA12,13




                                                                                                                                                                                                                                                                              PSENB
                                                                                                                                                                                                                                                                        21




                                                                                                                                                                                                                                                                        ]
                                                                                                                                                                                                                                                     F_OUT                                                                                     /CS0




                                                                                                                                        XLAT , E_STI , E_ENB , E_DR
                                                                                                                                                                                                                                                  PCMCLK                                                                                      /RAS                                                                  Y_SEL
                                                                                                                                                                                                                                                                                                                                                                                                                    /A_MUTE




                                                                                                                                                                                                                                                                                                           /FLASH_CS , /RD
                                                                                                                                                                                                                                                  ALE                                                                                         /CAS
                                                                                                                                                                                                                        SCLK,SDATA                                                                                                             /WE                                                                  /DAC_CS1
                                                                                                                                                                                                                                                                                                                                           DQM0` 3                                                                  /DAC_CS2
                                                                                                                                                                                                                 ; SCOR,SQCK,SQSO
                                                                                                                                                                                                                                                                                                                                                                                                                    V_MUTE
                                                                                                   I C206
                                                                                                                                                                                                                                                                                                                                                                           DAC_RST




                                                                                   33.8688MHz                                                                                                                                                                                                                                                MD[00:31]                                                              DAC_CLK




                                                                         SPINDLE




                                   LOADING
                                                                                      X-TAL       I NVER                                                                                                                     REQP                                                                                                                                                                                   DAC_OUT
                                                                                                    TER                                                                                                                                                                                                                                                                                                             ADCCLK
                                                                                                                                                                                                                                                                                                                                                                                      , PAL_SW , AUTO_SW , MIC_ON




                                                                                                                                                                                                                 SDCLKI , PSYNC
                                                                                                                                      I C201                                                                                                                                                                                                   F_IN
                                                                                                                                                                                                                       DVD[ 1:7]




3-12
                                                                                      MDP,FDO,TDO,FMO,MON
                                                                                                                                                                                                                       DSP_
                                                                                                                                                                                                                          INT                                              IC 501
                                 IC2M 1                                                                                        HDC25D811
                                                                                                       ICADD
                                                                                                                                                                                                                        SENSE
                                KA 3032                                                      I C203     [0:8]                 CD / DVD DSP                                                                                                                               PANTERA
                                                                                            SDRAM                                                                                                                     /DSP_
                                                                                                                                                                                                                          CS
                                MO TOR                                                                                                                                                                                                                                                                                                        F_IN                                                                                   MI C
                                                                                              16bit                                                                                                              LADD4~5 , LA0~3
                                                                                                                                                                                                                                                                         LE / PLUS                                                           DA_AI N
                                DRI VER                                                       16M      ICDATA                                                                                                                                                                                                                                                         I C401/451
                                                                                                        [00:15]                                                                                                        AD[0:7]                                                                                                             AOUT0~3
                                                                                                                                                                                                                                                                                                                                                                         CS4391
                                                                                                  ACT_MUTE , LOAD_OPEN , LOAD_CLOSE
                                                                                                                                                                                                                                                                                                                                            SPDIF
                                                                                                                                                                                                                                                                                                                                                                     PCM 1603KY
                                                                                                                         SPINDLE_FG                                                                                                                                                                                                         ACLK
                                                                                                                                                                                                                                                                                                                                            LRCK
                                                                                                                                                                                                                                                                                                                                                                                                                                             FR   WOOFER
                                                                                                                                                    POWER_CTL                                                                                                                                                                                                                                                                  L/R RR
                                                                                                                                                                                                                                                                                                                                                                                                                                   RL        FL   CENTER
                                                                                                                                                                                                                                                              F_IN                       27MHz                                                                          SW602
                                                                                                                                                                                                                                                              /MRESET                    X-TAL                                                                     S.OUT / COM P.OUT
                                                                                                                                                                                                                                      /FLD_CS                                                                                CVBS/Pr/R , C/Pb/ , Y/G
                                                                                                                                                                                                                                      FLD_CLK                                                                                                                         SWICHI NG
                                                                                                                                                                                                                                      FLD_OUT                                         VI DEO SW




                                                                                                                                                                                                                              CPLD
                                                                                                              -VF                                                                                                                                  I C901                                                                      CVBS
                                                                                                              -VF                                                                                                                                                                                                                                                        FIL TER
                                                                                                                                                                                                                                                 GM S1C2012                                                                                                                                                                           AM P
                                                                                                              -24VA                                                                                  FL DI S PLA Y                                                                                   REM OCON
                                                                                                              +8V                                                                                                                                  FROM                                              RECEI VER
                                             AC 240V,                                POWER                   +12VA                                                                                                                                                                                                                                                   Y       Pr      Pb                             Y                  RR    FR
                                                                                                                                                                                                                                                                                                                                                                                                                               L/R
                                              60Hz                                                           +5.2VA                                                                                                                                                                                                                                                                                                 C                  RL    FL    WOOFER
                                                                                                                                                                                                                                                                                                                                                       Composite




                                                                                     BOARD                                                                                                                                                                                                                                                                                                                                                         CENTER
                                                                                                              +5V_D                                                                                                                                           6MHz
                                                                                                              +5V_A                                                                                                                                           X-TAL
                                                                                                             +3.3V_M1
                                                                                                             +3.3V/3.3V_M                                                                                                                       KE Y Input




                 DV5000's
                                                                                                                  F+


                                                                                                                  F-
                                                                   RECTIFIER(FLD )
                                                                                                                 -29VA



                                                                   RECTIFIER(14V)    LPF                         12VA




                                                    TRANS
                                                                                                                  8V




                  RECTIFIER
                                                                   RECTIFIER(9V)     LPF       REG(8V)
                                                                                                                              2. Power(SMPS) Block Diagram




                                     SWITCHING TR
                                                                                                                 5.2VA
                                                                   RECTIFIER(5.2V)   LPF                         5V_D




3-13
                                                                                                                 5V_A

                                                                                                                3.3V/3.3V_M
                                                                                                    REG(3.3V)
                                                        FEED B .




                  LINE FIL TER
                                                                                                    REG(3.3V)   3.3V_M1



                                 AC90~240V

                                                                                           PWR ON/OFF




       DV5000's
                                                                                                                                                    SENS, FOK, SLD_FG,
                                                                                                                                                5   MSDAT0, DEFECT,DSP_SENSE

                       DVD: A,B,C,D,          4                                                                                                 3   SQSO,SQC SCOR
                                                                                                                                                            K,
       PICK
       UP                                                                     FE,TE,PI,SBADD    4                                               3   XL AT , S_CL K, S_DATA
                        CD: A ,B,C,D / E, F   4
                                                                                                                                                                               UCOM
                                                                                                                                                3   DSP_ /WR, /RD
                                                                                                                                                        CS,
                                                                 IC2A1                                         IC206                                                           I/F
                                                                                  DVD/CD RF
                                                               HD153702TF                                   HDC25D811                           8         DO[ 0:7]
                                                                                  MIRR,TZC      2
                                                                RF Signal                                  CD / DVD DSP                         6         AO[0 :5]
                                                                Process or                                 DVD SERVO
                                                                                                                                                8         DVD_DATA[0: 7]
                                                                                                                                                8
                                                                                                                                                                               MPEG
                                                                                                                                                         MCK                   I/F




                                                                                                                 9
                                                                                                                         16



                                                                                                           ICADDR[0:8]
                                                                             MON,MDP                                          ICDAT A[ 00:15]




3-14
                                                                                                                   IC203
                                                                                                                 1M x 16bit
                                                                             FDO,TDO,FMO
                                             IC2M1                                                                SDRAM
                                            KA3082
                                  SpindleMotor, LoadingMotor,
                  Spi ndle
                                         Actuator Driver
       M/D
                                                                                                                                                                                      3. RF/CD DSP/DVD DSP/DVD SERVO Block Diagram




                             fo cus, tracking, loadi ng,sled                                   SPINDLE_FG
                                                                                                                                                                               UCOM
                                                                                               L oad open/close(loading control)                                               I/F




       DV5000's
                   DAC_RST
                   S_DAT A
        U-COM
                   S_CL K                        L+
          I/F      DAC_L0                                     IC402        L
                                     IC401       L-
                                    CS4391                L PF & Bu ffer   R
                                                 R+
                  DA_L RCK         Audio DAC                KA 5532
                                                 R-
          MPEG    DA_BCK                                     OP A MP
                  DA_XCK
                                                                                           4. Audio Block Diagram




           I/F
                  DA_DAT A0




                                                 FL          IC452         FL
                                                          L PF & Buffer
                                                 FR                        FR
                  DAC_RST                                   K A 5532                 A/V
                  S_DATA                                    OP A MP                 JACK
        U-COM     S_CL K




3-15
                                                                                     I/F
          I/F     DAC_L1
                                      IC451      RL           IC453        RL
                                   PCM1603KY               L PF & Buffer
                                                 RR                        RR
                                   Aud i o DAC               KA 5532
                  DA_L RCK
                                     (5.1CH)                 OP A MP
          MPEG    DA_BCK
                  DA_XCK
           I/F
                  DA_DAT A[1: 3]
                                                 CENTER
                                                              IC454        CENTER
                                                           L PF & Buffer
                                                 WOOFER                    WOOFER
                                                             KA 5532
                                                             OP A MP




       DV5000's
                                                                                                 IC304
                        MI RR
       RF &                                                                                     SDRAM
                        L DON                       IC301
       MOTOR                                                              IC502                 16/32BIT
       I/F                                        XC9572VL       EE_CS                            64M
                                                                          93C46
                                                    CPLD
                                                                         EEPROM    MCL K2




                                 DAT A
                                                I/O PORT 72                                     32
                                                                                   CKE
                                                                                   MA [00:10]        MD[00: 31]




                          SCL K,S
                                                                                   MA 12,13
                                                                                   /CS0
                                                                                   /RAS/




                                                          AD[
                                                                ALE                /CAS                                    16
                                                          04                                              AD[ 00:15]




                                                          :
                                                                         F_IN      /WE
                                                          21




                                                          ]
                                                                                   /DQM[0:3]                                        IC3F1
                                         SPINDLE_FG
                                                                                                                                   FL A SH
                                                                                                                            4
                                                                                                             LA [0:3]             MEMORY
                                         AD[0 :7]     8

                                                                                                                                   16
                                                                                                                                                                    5. MPEG & MEMORY Block Diagram




                                         DVD[0 :7]    8                                                                                 L ADD[04 :19]
                  DSP




3-16
                  I/F                                 4
                                         LA [0:3]                                                                          16
                                                                                                             AD[ 04:19]            IC301
                                         SCLK,SDATA
                         SQCK,SQS0
                         REQP                                                IC501                                DA_DAT A[0:3}                         4

                         SDCL K1,PSYNC                                                                            DA_BCK,DA_LRCK,DA_XCK
                                                                           PANTERA-2                                                                        AUDIO
                         DSP_INT                                                                                  DAC_L0,DAC_L1
                                                                            LE/PLUS                                                                          I/F
                         SENSE                                                                                    DAC_RST
                         /DSP_CS
                                                                                                                  V_MUTE,16:9
                         ZISENB
                                                                                                                  C/R(B)                                     A/V
                         /RD
                                                                                                                  CVBS/G(R)                                 JACK
                         /PWED                                                                                    Y/B(G)                                     I/F
                                                                                                                  CVBS




       DV5000's
CIRCUIT DIAGRAM                                                                                       IMPORTANT SAFETY NOTICE

                                                                                                       WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
                                                                                                                                                    NAL CIRCUIT. SPECIAL COMPONENTS ARE SHADED NOTE :
                                                                                                                                                    ON THE SCHEMATIC FOR EASY IDENTIFICATION.
                                                                                                                                                     THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF-
                                                                                                                                                                                                 1. Shaded( ) parts are critical for safety. Replace only
                                                                                                                                                                                                    with specified part number.
                                                                                                      CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
1. POWER(SMPS) CIRCUIT DIAGRAM                                                                        MODIFIED OR ALTERED WITHOUT PERMISSION
                                                                                                                                                    FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
                                                                                                                                                    IMPLEMENTATION OF THE LATEST SAFETY AND
                                                                                                                                                                                                 2. Voltages are DC-measured with a digital voltmeter
                                                                                                                                                                                                    during Play mode.
                                                                                                      FROM THE TOSHIBA ELECTRONICS CORPORATION.     PERFORMANCE IMPROVEMENT CHANGES INTO
                                                                                                      ALL COMPONENTS SHOULD BE REPLACED ONLY        THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
                                                                                                      WITH TYPES IDENTICAL TO THOSE IN THE ORIGI-   LITERATURE IS PRINTED.




                                                                                                                                                         SD-3780/SD-420E




   NOTES)   Warning                              NOTES :   Symbol denotes AC ground.
   NOTES)   Parts that are shaded are critical
   NOTES)   With respect to risk of fire or
   NOTES)   electricial shock.                             Symbol denotes DC chassis ground.




                                                                                               3-17   3-18
2. DVD DSP CIRCUIT DIAGRAM




                                                          5




                                               5      6




                                                                     SD-3780/SD-420E




     TRACKING LOOP   SLED LOOP      WAVEFORM
     FOCUS LOOP      SPINDLE LOOP




                                               3-19           3-20
3. DRIVE & RF CIRCUIT DIAGRAM




                                                               1

                                                               6
                                                               2
                                                               3




                                                                   SD-3780/SD-420E

       TRACKING LOOP   SLED LOOP      WAVEFORM
       FOCUS LOOP      SPINDLE LOOP




                                                 3-21   3-22
4. MPEG CIRCUIT DIAGRAM




                                                                          SD-3780/SD-420E




       Optical/Coaxial out   Y/Pb/Pr(Componet)   WAVEFORM
       CVBS                  Y/C(S-VHS)




                                                            3-23   3-24



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