Service Manuals, User Guides, Schematic Diagrams or docs for : GALLIEN-KRUEGER gallien_krueger_bl250_210_350_115_600_preamp_206_0181

<< 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
gallien_krueger_bl250_210_350_115_600_preamp_206_0181


>> Download gallien_krueger_bl250_210_350_115_600_preamp_206_0181 documenatation <<

Text preview - extract from the document
6109A Backline 250 Preamp.sch-1 - Tue Jul 16 15:12:03 2002
                                 Bill of Materials Backline 115 Preamp 206-0109-A
Qty Reference        Description                             Part No.     Mfr                Mfr Part No.
 5 C5 C19 C31 C33    CAP CER AXIAL,103,10%,50V,X7R           030-2103-0   KEMET              C410C103K5R5CA
    C41
 2 C8 C13            CAP CER AXIAL, 0.047UF, 10%, 50V, X7R   030-2473-0   KEMET              C410C473K5R5CA
 1 C6                CAP,PE,154,10%,100V,                    032-4154-0   PACCOM             85154J100A5S5
 4 C1 C21-22 C35     CAP CER AXIAL,104,10%,50V,X7R           030-2104-0   KEMET              C412C104K5R5CA
 4 C9 C16 C20 C37    CAP CER AXIAL,224,20%,50V,Z5U           030-2224-0   KEMET              C410C224M5U5CA
 1 C7                CAP,PE,334,5%,100V,                     032-4334-0   PACCOM             85334J100A5S5
 1 C12               CAP CER AXIAL,474,20%,50V,Z5U           030-2474-0   AVX                SA305E474MAA
 1 C40               CAP CER AXIAL,102,10%,100V,X7R          030-4102-0   KEMET              C410C102K1R5CA
 2 C2 C29            CAP CER AXIAL,101,5%,100V,COG           030-4101-0   KEMET              C410C101J1G5CA
 2 C11 C36           CAP,ELEC,RAD,107,20%,25V                031-1107-0   UNITED CHEMI-CON   SMG25VB101M6X11LL
 7 C3-4 C30 C34      CAP,ELEC,RAD, 106, 20%, 50V             031-2106-0   UNITED CHEMI-CON   SMG50VB10RM5X11LL
    C38 C45 C47
 5 C15 C18 C23       CAP CER AXIAL,222,10%,100V,X7R          030-2222-0   KEMET              C410C222K1R5CA
    C27-28
 2 C42-43            CAP,ELEC,RAD,335,20%,50V                031-2335-0   UNITED CHEMI-CON   SMG50VB3R3M5X11LL
 1 C17               CAP CER AXIAL,332,10%,100V,X7R          030-4332-0   KEMET              C410C332K1R5CA
 5 C14 C24-25 C44    CAP CER AXIAL, 472, 10%, 100V,,X7R      030-4472-0   KEMET              C410C472K1R5CA
    C46
 1 C10               CAP CER AXIAL,471,5%,100V,NPO          030-4471-0    KEMET              C410C471J1G5CA
 2 C32 C39           CAP CER AXIAL,47PF,5%,100V,NPO         030-4470-0    KEMET              C410C470J1G5CA
 1 C26               CAP CER AXIAL,561,10%,100V,X7R         030-4561-0    KEMET              C410C561K1R5CA
 4 J1-4              JACK,1/4",MONO,PC,NON GROUNDING        092-0081-0    NEUTRIK            S102-84
 1 J5                JACK,1/4",MONO,PC, GROUNDING           092-0082-0    NEUTRIK            S102-84G
 2 J8-9              FASTON, M, PC, .250"                   092-0066-0    KEYSTONE           1021
 1 J7                CON,XLR,MALE,PC,PL, SCREW MNT          092-0084-0    NEUTRIK            X906-05
 7 D3 D5 D8-12       1N4148, RECT-FAST, 200MA, 100V         020-1000-0    MOTOROLA           1N4148
 1 D13               1N751, ZENER,5.1V,10%,400MW,DO-35      020-0050-0    NATIONAL           1N751A
 8 D1-2 D14-19       1N759A, ZENER,12V,5%,400MW, DO-35      020-0120-0    MOTOROLA           1N759A
 1 J6                HDR, 2MMX7, VERT, SHROUDED             093-2005-0    JST                B7B-PH-K-S
 1 U5                DG419, Analog Switch                   001-3029-0    MAXIM              DG419DJ
 8 U1-4 U6-9         TLO72CP, LOW NOISE JFET OPAMP          001-1030-1    MOTOROLA           TL072CP
 1 D6                LED,GREEN, 3MM, 565NM, 6MCD, 10MA      025-0101-0    EVERLIGHT          EL204GD
 1 D20               LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCD025-0012-0    STANLEY            VRPG5614S
 2 D4 D7             LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG 025-0116-0    EVERLIGHT          EL204ID
 4 X1-3 X5           .125 HOLE, NON-PLATED                  000-0000-0
 2 R42 R87           POT,2KB,7MM,KNURL,.1W                  070-1522-0    SONG HUEI          16K1-B2K,L115KC/7MM
 2 R23 R33           POT,50K-15A,7MM,KNURL,.1W              070-1513-0    SONG HUEI          16K-A50K,L-15KC/7MM
 6 R17 R49 R56       POT,50KB,7MM,KNURL,.1W                 070-1514-0    SONG HUEI          16K1-B50K,L15KC/7MM
    R63 R71 R78
 1 R54               RES,METAL FILM, 127K, 1/8W,1%           060-1274-0
 3 R27 R86 R90       RES,METAL FILM, 1.00K, 1/8W, 1%         060-1002-0   ECI                M1F1AK001.00
 1 R2                RES, MF, 1.00M, 1%,1/8W, 060-1005-0     060-1005-0   ECI                M1F1AM001.00
 1 R75               RES,METAL FILM, 1.21K, 1/8W, 1%         060-1212-0   ECI                M1F1AK001.21
 1 R18               RES,METAL FILM, 1.78K, 1/8W, 1%         060-1782-0
 5 R15 R24 R32       RES,METAL FILM, 10.0K, 1/8W,1%          060-1003-0   ECI                M1F1AK010.00
    R36 R91
 7 R19 R39 R74       RES,METAL FILM, 100K, 1/8W, 1%          060-1004-0   ECI                M1F1AK100.00
    R76 R85 R92-93
 1 R22               RES,METAL FILM, 11.0K, 1/8W, 1%         060-1103-0   ECI                M1F1AK011.00
10 R1 R7-8 R44       RES,METAL FILM, 12.1K OHM, 1/8W, 1%     060-1213-0   ECI                M1F1AK012.10
    R58 R61 R65
    R68 R84 R89
 3 R31 R37 R83       RES,METAL FILM, 14.7K, 1/8W, 1%         060-1473-0
 1 R10               RES,METAL FILM, 16.5K, 1/8W, 1%         060-1653-0
 1 R45               RES,METAL FILM, 18.2K, 1/8W, 1%         060-1823-0   ECI                M1F1AK018.20
 8 R4 R6 R14 R16     RES,METAL FILM, 2.21K, 1/8W, 1%         060-2212-0   ECI                M1F1AK002.21
    R41 R48 R62
    R88
 1 R12               RES, METAL FILM, 2.21M, 1/8W, 1%        060-2215-0   ECI                M1F1AM002.21
 2 R35 R69           RES,METAL FILM, 22.1K, 1/8W, 1%         060-2213-0   ECI                M1F1AK022.10
 2 R47 R52           RES,METAL FILM, 221K, 1/8W, 1%          060-2214-0   ECI                M1F1AK221.00
 1 R72               RES,METAL FILM, 221 ohm, 1/8W, 1%       060-2211-0   ECI                M1F1AJ221.00
 2 R9 R29            RES,METAL FILM, 3.32K, 1/8W, 1%         060-3322-0   ECI                M1F1AK003.32
 1 R25               RES,METAL FILM, 3.48K, 1/8W, 1%         060-3482-0
 3 R26 R38 R51       RES,METAL FILM, 33.2K, 1/8W, 1%         060-3323-0   ECI                M1F1AK033.20
 1 R13               RES,METAL FILM, 1.00K, 1/8W, 1%         060-3834-0
 1 R79               RES,METAL FILM, 1.00K, 1/8W, 1%         060-4022-0
 1 R11               RES,METAL FILM, 4.75K, 1/8W, 1%         060-4752-0
1   R20              RES,METAL FILM, 1.00K, 1/8W, 1%        060-4123-0
7   R3 R30 R55 R57   RES,METAL FILM, 47.5K, 1/8W, 1%        060-4753-0   ECI                M1F1AK047.50
    R60 R64 R81
1   R82              RES, CARBON FILM, 470 OHM, 1/8W, 5%    050-4701-0
4   R43 R59 R66-67   RES,METAL FILM, 475K, 1/8W, 1%         060-4754-0   ECI                M1F1AK475.00
1   R46              RES,METAL FILM, 5.36K, 1/8W, 1%        060-5362-0
6   R21 R50 R53      RES,METAL FILM, 5.62K, 1/8W, 1%        060-5622-0   ECI                M1F1AK005.62
    R70 R73 R80
2   R34 R77          RES,METAL FILM, 6.81K, 1/8W, 1%        060-6812-0   ECI                M1F1AK006.81
1   R28              RES,METAL FILM, 68.1K, 1/8W, 1%        060-6813-0   ECI                M1F1AK068.10
2   R5 R40           RES,METAL FILM, 8.25K, 1/8W, 1%        060-8252-0   ECI                M1F1AK008.25
5   S1-4 S6          SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM
                                                            090-0012-0   ELKECTRONIC COMP   MTH2UEE-1D911
1   S5               SWITCH, 8A/128A,250V,PP,PCB            090-0007-0   TECX               KDC-A04-10-B, B2-F
3   Q1-3             J113,N-JFET,35V,2MA,TO-92              010-2010-0   NATIONAL           J113
6109B.sch-1 - Thu Aug 15 19:26:06 2002
Backline 115 Preamp 206-0109-B
Part No.     Reference              Description                            Manufacturer       Mfr. Part No.
001-1030-1 U1-5 U7-10               TLO72CP, LOW NOISE JFET OPAMP          MOTOROLA           TL072CP
001-3029-0 U6                       DG419, Analog Switch                   MAXIM              DG419DJ
010-2010-0 Q1-3                     J113,N-JFET,35V,2MA,TO-92              NATIONAL           J113
020-0050-0 D13                      1N751, ZENER,5.1V,10%,400MW,DO-35      NATIONAL           1N751
020-0120-0 D1-2 D14-15 D17-20       1N759A, ZENER,12V,5%,400MW, DO-35      MOTOROLA           1N759A
020-1000-0 D4 D6 D8-12 D16          1N4148, RECT-FAST, 200MA, 100V         MOTOROLA           1N4148
025-0012-0 D21                      LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCDSTANLEY            VRPG5614S
025-0023-0 D3                       LED,YELLOW, 3MM, 585NM, 5MCD, 10MA     EVERLIGHT          EL204YD
025-0101-0 D7                       LED,GREEN, 3MM, 565NM, 6MCD, 10MA      EVERLIGHT          EL204GD
025-0116-0 D5                       LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT          EL2041D
031-1107-0 C12 C38                  CAP,ELEC,RAD,107,20%,25V               UNITED CHEMI-CON   SMG25VB101M6X11LL
031-1477-0 C40                      CAP, ELEC, RAD, 470uF, 20%, 25V        UNITED CHEMI-CON   SMG25VB471M10X12LL
031-2106-0 C3,4,20,21,30,36,37,47   CAP,ELEC,RAD, 106, 20%, 50V            UNITED CHEMI-CON   SMG50VB10RM5X11LL
             C48
031-2335-0 C44 C46                  CAP,ELEC,RAD,335,20%,50V              UNITED CHEMI-CON    SMG50VB3R3M5X11LL
032-4102-0 C15 C41                  CAP,PE,102,5%,100V,                   PANASONIC           ECQB1102JF
032-4103-0 C5 C32-33 C43            CAP,PE,103,5%,100V,                   PANASONIC           ECQV1103JM
032-4104-0 C1 C11 C22 C24 C35       CAP,PE,104,5%,100V,                   PANASONIC           ECQV1104JM
032-4222-0 C16 C23 C28-29           CAP,PE,222,5%,100V,                   PANASONIC           ECQB1222JF
032-4224-0 C6 C9 C42                CAP,PE,224,5%,100V,                   PANASONIC           ECQV1224JM
032-4332-0 C14                      CAP,PE,332,5%,100V,                   PANASONIC           ECQB1332JF
032-4334-0 C8 C17 C19               CAP,PE,334,5%,100V,                   PANASONIC           ECQV1334JM
032-4472-0 C25-26 C49-50            CAP,PE,472,5%,100V,                   PANASONIC           ECQB1472JF
032-4473-0 C7                       CAP,PE,473,5%,100V,                   PANASONIC           ECQV1473JM
032-4474-0 C13                      CAP,PE,474,5%,100V,                   PANASONIC           ECQV1474JM
034-4101-0 C2 C31 C45               CAP,MCR,100pF,5%,100V,                TAITRON             TMRS101J100NPOB
034-4271-0 C18                      CAP,MCR,270pF,5%,100V,                TAITRON             TMRS271J100NPOB
034-4470-0 C34 C39                  CAP,MCR,47PF,5%,100V,NPO              TAITRON             TMRS470J100NPOB
034-4471-0 C10                      CAP,MCR,470pF,5%,100V,                TAITRON             TMRS471J100NPOB
034-4561-0 C27                      CAP,MCR,560pF,5%,100V,                TAITRON             TMRS561J100NPOB
060-1002-0 R90 R92                  RES,METAL FILM, 1.00K, 1/8W, 1%       ECI                 M1F1AK001.00
060-1003-0 R3,16,24,26,46,93        RES,METAL FILM, 10.0K, 1/8W,1%        ECI                 M1F1AK010.00
060-1004-0 R20,31,35,37,76,77,88    RES,METAL FILM, 100K, 1/8W, 1%        ECI                 M1F1AK100.00
             R94-97
060-1005-0 R2                       RES, MF, 1.00M, 1%,1/8W, 060-1005-0   ECI                 M1F1AM001.00
060-1212-0 R78                      RES,METAL FILM, 1.21K, 1/8W, 1%       ECI                 M1F1AK001.21
060-1213-0 R1,7,8,38,44,53,60,61    RES,METAL FILM, 12.1K OHM, 1/8W, 1%   ECI                 M1F1AK012.10
             R66,68,89,91
060-1214-0 R54                      RES,METAL FILM, 121K, 1/8W, 1%        ECI                 M1F1AK121.00
060-1374-0 R29                      RES,METAL FILM, 137K, 1/8W, 1%        ECI                 M1F1AK137.00
060-1503-0 R10 R27 R86              RES,METAL FILM, 15.0K, 1/8W, 1%       ECI                 M1F1AK015.00
060-1504-0 R40                      RES,METAL FILM, 150K, 1/8W, 1%        ECI                 M1F1AK150.00
060-1822-0 R18                      RES,METAL FILM, 1.82K, 1/8W, 1%       ECI                 M1F1AK001.82
060-2211-0 R25 R74                  RES,METAL FILM, 221 ohm, 1/8W, 1%     ECI                 M1F1AJ221.00
060-2212-0 R4,6,13,15,42,45,50,52   RES,METAL FILM, 2.21K, 1/8W, 1%       ECI                 M1F1AK002.21
             R85
060-2213-0 R28 R36 R73              RES,METAL FILM, 22.1K, 1/8W, 1%       ECI                 M1F1AK022.10
060-2214-0 R47 R59                  RES,METAL FILM, 221K, 1/8W, 1%        ECI                 M1F1AK221.00
060-2215-0 R11                      RES, METAL FILM, 2.21M, 1/8W, 1%      ECI                 M1F1AM002.21
060-3012-0 R43                      RES,METAL FILM, 3.01K, 1/8W, 1%       ECI                 M1F1AK003.01
060-3322-0 R9 R30                   RES,METAL FILM, 3.32K, 1/8W, 1%       ECI                 M1F1AK003.32
060-3323-0 R34 R55                  RES,METAL FILM, 33.2K, 1/8W, 1%       ECI                 M1F1AK033.20
060-3482-0 R22                      RES,METAL FILM, 3.48K, 1/8W, 1%       ECI                 M1F1AK003.48
060-3922-0 R81                      RES,METAL FILM, 3.92K, 1/8W, 1%       ECI                 M1F1AK003.92
060-3923-0 R21                      RES,METAL FILM,39.2K,1/8W,1%          ECI                 M1F1AK039.2
060-3924-0 R12                      RES,METAL FILM, 392K, 1/8W, 1%        ECI                 M1F1AK392.00
060-4751-0 R84                      RES,METAL FILM, 475 ohm, 1/8W, 1%     ECI                 M1F1AJ475.00
060-4752-0 R14                      RES,METAL FILM, 4.75K, 1/8W, 1%       ECI                 M1F1AK004.75
060-4753-0 R5,56,58,63,67,82        RES,METAL FILM, 47.5K, 1/8W, 1%       ECI                 M1F1AK047.50
060-4754-0 R62 R65 R69-70           RES,METAL FILM, 475K, 1/8W, 1%        ECI                 M1F1AK475.00
060-5622-0 R17,48,51,71,75,83       RES,METAL FILM, 5.62K, 1/8W, 1%       ECI                 M1F1AK005.62
060-6811-0 R39                      RES,METAL FILM, 681 ohm, 1/8W, 1%     ECI                 M1F1AJ681.00
060-6812-0 R80                      RES,METAL FILM, 6.81K, 1/8W, 1%       ECI                 M1F1AK006.81
062-0000-0 R33                      RES, WIRE, 0.0 Ohm, 1/8W              ECI                 R1 0.0 OHM
070-1513-0 R19 R32                  POT,50K-15A,7MM,KNURL,.1W             SONG HUEI           16K1-A50K-L15KC




                                                                                                6109B BOM-4/21/2004-Rev B
                                                                                                               Costed Bill Of Mate
Backline 115 Preamp 206-0109-B
Part No.     Reference           Description                           Manufacturer       Mfr. Part No.
070-1514-0 R23,49,57,64,72,79    POT,50KB,7MM,KNURL,.1W                SONG HUEI          16K1-B50K-L15KC
070-1522-0 R41 R87               POT,2KB,7MM,KNURL,.1W                 SONG HUEI          16K1-B2K-L15KC
090-0007-0 S6                    SWITCH, 8A/128A,250V,PP,PCB           TECX               KDC-A04-10-B, B2-F
090-0012-0 S1-5                  SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM
                                                                       ELKECTRONIC COMP   MTH2UEE-1D911
092-0066-0 J8-9                  FASTON, M, PC, .250"                  KEYSTONE           1021
092-0081-0 J1-4 J6               JACK,1/4",MONO,PC,NON GROUNDING       NEUTRIK            S102-84
092-0084-0 J7                    CON,XLR,MALE,PC,PL, SCREW MNT         NEUTRIK            X906-05
093-2005-0 J5                    HDR, 2MMX7, VERT, SHROUDED            JST                B7B-PH-K-S




                                                                                             6109B BOM-4/21/2004-Rev B
6109B1.sch-1 - Wed Sep 11 14:20:53 2002
Backline 115 Preamp 206-0109-B1
Part No.     Reference              Description                            Manufacturer       Mfr. Part No.
001-1030-1 U1-5 U7-10               TLO72CP, LOW NOISE JFET OPAMP          MOTOROLA           TL072CP
001-3029-0 U6                       DG419, Analog Switch                   MAXIM              DG419DJ
010-2010-0 Q1-3                     J113,N-JFET,35V,2MA,TO-92              NATIONAL           J113
020-0050-0 D13                      1N751, ZENER,5.1V,10%,400MW,DO-35      NATIONAL           1N751
020-0120-0 D1-2 D14-15 D17-20       1N759A, ZENER,12V,5%,400MW, DO-35      MOTOROLA           1N759A
020-1000-0 D4 D6 D8-12 D16          1N4148, RECT-FAST, 200MA, 100V         MOTOROLA           1N4148
025-0012-0 D21                      LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCDSTANLEY            VRPG5614S
025-0023-0 D3                       LED,YELLOW, 3MM, 585NM, 5MCD, 10MA     EVERLIGHT          EL204YD
025-0101-0 D7                       LED,GREEN, 3MM, 565NM, 6MCD, 10MA      EVERLIGHT          EL204GD
025-0116-0 D5                       LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT          EL2041D
031-1107-0 C12 C38                  CAP,ELEC,RAD,107,20%,25V               UNITED CHEMI-CON   SMG25VB101M6X11LL
031-1477-0 C40                      CAP, ELEC, RAD, 470uF, 20%, 25V        UNITED CHEMI-CON   SMG25VB471M10X12LL
031-2106-0 C3,4,20,21,30,36,37,47   CAP,ELEC,RAD, 106, 20%, 50V            UNITED CHEMI-CON   SMG50VB10RM5X11LL
             C48
031-2335-0 C44 C46                  CAP,ELEC,RAD,335,20%,50V              UNITED CHEMI-CON    SMG50VB3R3M5X11LL
032-4102-0 C15 C41                  CAP,PE,102,5%,100V,                   PANASONIC           ECQB1102JF
032-4103-0 C5 C32-33 C43            CAP,PE,103,5%,100V,                   PANASONIC           ECQV1103JM
032-4104-0 C1 C11 C22 C24 C35       CAP,PE,104,5%,100V,                   PANASONIC           ECQV1104JM
032-4222-0 C16 C23 C28-29           CAP,PE,222,5%,100V,                   PANASONIC           ECQB1222JF
032-4224-0 C6 C9 C42                CAP,PE,224,5%,100V,                   PANASONIC           ECQV1224JM
032-4332-0 C14                      CAP,PE,332,5%,100V,                   PANASONIC           ECQB1332JF
032-4334-0 C8 C17 C19               CAP,PE,334,5%,100V,                   PANASONIC           ECQV1334JM
032-4472-0 C25-26 C49-50            CAP,PE,472,5%,100V,                   PANASONIC           ECQB1472JF
032-4473-0 C7                       CAP,PE,473,5%,100V,                   PANASONIC           ECQV1473JM
032-4474-0 C13                      CAP,PE,474,5%,100V,                   PANASONIC           ECQV1474JM
034-4101-0 C2 C31 C45               CAP,MCR,100pF,5%,100V,                TAITRON             TMRS101J100NPOB
034-4271-0 C18                      CAP,MCR,270pF,5%,100V,                TAITRON             TMRS271J100NPOB
034-4470-0 C34 C39                  CAP,MCR,47PF,5%,100V,NPO              TAITRON             TMRS470J100NPOB
034-4471-0 C10                      CAP,MCR,470pF,5%,100V,                TAITRON             TMRS471J100NPOB
034-4561-0 C27                      CAP,MCR,560pF,5%,100V,                TAITRON             TMRS561J100NPOB
060-1002-0 R90 R92                  RES,METAL FILM, 1.00K, 1/8W, 1%       ECI                 M1F1AK001.00
060-1003-0 R3,16,24,26,46,93        RES,METAL FILM, 10.0K, 1/8W,1%        ECI                 M1F1AK010.00
060-1004-0 R20,31,35,37,76,77,88    RES,METAL FILM, 100K, 1/8W, 1%        ECI                 M1F1AK100.00
             R94-97
060-1005-0 R2                       RES, MF, 1.00M, 1%,1/8W, 060-1005-0   ECI                 M1F1AM001.00
060-1212-0 R78                      RES,METAL FILM, 1.21K, 1/8W, 1%       ECI                 M1F1AK001.21
060-1213-0 R1,7,8,38,44,53,60,61    RES,METAL FILM, 12.1K OHM, 1/8W, 1%   ECI                 M1F1AK012.10
             R66,68,89,91
060-1214-0 R54                      RES,METAL FILM, 121K, 1/8W, 1%        ECI                 M1F1AK121.00
060-1374-0 R29                      RES,METAL FILM, 137K, 1/8W, 1%        ECI                 M1F1AK137.00
060-1503-0 R10 R27 R86              RES,METAL FILM, 15.0K, 1/8W, 1%       ECI                 M1F1AK015.00
060-1504-0 R40                      RES,METAL FILM, 150K, 1/8W, 1%        ECI                 M1F1AK150.00
060-1822-0 R18                      RES,METAL FILM, 1.82K, 1/8W, 1%       ECI                 M1F1AK001.82
060-2211-0 R25 R74                  RES,METAL FILM, 221 ohm, 1/8W, 1%     ECI                 M1F1AJ221.00
060-2212-0 R4,6,13,15,42,45,50,52   RES,METAL FILM, 2.21K, 1/8W, 1%       ECI                 M1F1AK002.21
             R85
060-2213-0 R28 R36 R73              RES,METAL FILM, 22.1K, 1/8W, 1%       ECI                 M1F1AK022.10
060-2214-0 R47 R59                  RES,METAL FILM, 221K, 1/8W, 1%        ECI                 M1F1AK221.00
060-2215-0 R11                      RES, METAL FILM, 2.21M, 1/8W, 1%      ECI                 M1F1AM002.21
060-3012-0 R43                      RES,METAL FILM, 3.01K, 1/8W, 1%       ECI                 M1F1AK003.01
060-3322-0 R9 R30                   RES,METAL FILM, 3.32K, 1/8W, 1%       ECI                 M1F1AK003.32
060-3323-0 R34 R55                  RES,METAL FILM, 33.2K, 1/8W, 1%       ECI                 M1F1AK033.20
060-3482-0 R22                      RES,METAL FILM, 3.48K, 1/8W, 1%       ECI                 M1F1AK003.48
060-3922-0 R81                      RES,METAL FILM, 3.92K, 1/8W, 1%       ECI                 M1F1AK003.92
060-3923-0 R21                      RES,METAL FILM,39.2K,1/8W,1%          ECI                 M1F1AK039.2
060-3924-0 R12                      RES,METAL FILM, 392K, 1/8W, 1%        ECI                 M1F1AK392.00
060-4751-0 R84                      RES,METAL FILM, 475 ohm, 1/8W, 1%     ECI                 M1F1AJ475.00
060-4752-0 R14                      RES,METAL FILM, 4.75K, 1/8W, 1%       ECI                 M1F1AK004.75
060-4753-0 R5,56,58,63,67,82        RES,METAL FILM, 47.5K, 1/8W, 1%       ECI                 M1F1AK047.50
060-4754-0 R62 R65 R69-70           RES,METAL FILM, 475K, 1/8W, 1%        ECI                 M1F1AK475.00
060-5622-0 R17,48,51,71,75,83       RES,METAL FILM, 5.62K, 1/8W, 1%       ECI                 M1F1AK005.62
060-6811-0 R39                      RES,METAL FILM, 681 ohm, 1/8W, 1%     ECI                 M1F1AJ681.00
060-6812-0 R80                      RES,METAL FILM, 6.81K, 1/8W, 1%       ECI                 M1F1AK006.81
062-0000-0 R33                      RES, WIRE, 0.0 Ohm, 1/8W              ECI                 R1 0.0 OHM
070-1513-0 R19 R32                  POT,50K-15A,7MMB,KNURL,BRACKET        SONG HUEI           16K1-A50K-L15KC




                                                                                                  6109B1 BOM-4/21/2004-Rev B
                                                                                                                   Costed Bill Of Material
Backline 115 Preamp 206-0109-B1
Part No.     Reference            Description                           Manufacturer       Mfr. Part No.
070-1514-0 R23,49,57,64,72,79     POT,50KB,7MMB,KNURL,BRACKET           SONG HUEI          16K1-B50K-L15KC
070-1522-0 R41 R87                POT,2KB,7MMB,KNURL,BRACKET            SONG HUEI          16K1-B2K-L15KC
090-0007-0 S6                     SWITCH, 8A/128A,250V,PP,PCB           TECX               KDC-A04-10-B, B2-F
090-0012-0 S1-5                   SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM
                                                                        ELKECTRONIC COMP   MTH2UEE-1D911
092-0066-0 J8-9                   FASTON, M, PC, .250"                  KEYSTONE           1021
092-0081-0 J1-4 J6                JACK,1/4",MONO,PC,NON GROUNDING       NEUTRIK            S102-84
092-0084-0 J7                     CON,XLR,MALE,PC,PL, SCREW MNT         NEUTRIK            X906-05
093-2005-0 J5                     HDR, 2MMX7, VERT, SHROUDED            JST                B7B-PH-K-S




                                                                                                                6109B1 BOM-4/21/2004-Rev B
gallien technology                                                                                                 Engineering Change Order


Customer Name:                              Gallien-Krueger                                     Current Rev #: A0      New ECO Rev #:           B2
Model:                                      Backline 250BL and 115                              Distribute To:         Page:       1     Of:     1
Assembly Description:                       preamp board                                           Originator: A.R. Villaflor
                                            206-0109-B2                                          Approved by:
Assembly Numbers:
                                                                                                Effective Date: 11/7/2002
                                              Effective                                        Document Update              Date           Initials
        All in Process                               X    Next Buy                              Artwork
        All in Service                               X    Next Production Run                   Assembly Dwg.
      All in Stock                                                                              Board Artwork
Beginning Serial Number:                                                                   X    BOM                                      TC
                                        Reason For Change                                       Control Form
B-Change all ceramic caps to polyester "box" caps. X                                            Costing                                  TC
  Change overdrive ch. pot tapers to match 2001RB.                                              Fab Drawing
  Improve over drive channel voicing.Improve                                                    Inspection Proc.
  turn-off muting circuitry. New LED color scheme. X                                            Part Master File                         RAG
                                                   X                                            Schematic                                RAG
B1-Change all pots to bracket style.                                                            Service Manual
                                                   X                                            Test Procedure                           NOLI
B2-Change -10dB circuit to attenuate -15dB.

                                                                                          Other Affected Assemblies
                                                                                          209-0180-A, 303-0180-A,
        Continued on ECO Supplement Page                                                  303-1180-A, 303-2180-A
                                       Description Of Change                                     Distribution               Date           Initials
B- Gain pot is "A" taper, Level is "B" taper.                                              X    Accounting
   Added cabinet emulator to "B" channel.                                                       Assembly
   LED color scheme; Mute = red, Clip = yellow,                                                 Customer
   Ch. B on = green.                                                                       X    Engineering
                                                                                           X    Incoming Q.C.
B1- All pots are bracket style.                                                                 Planning
                                                                                           X    Production Eng.
B2- Changed R3 from 10K to 15K ohms.                                                       X    Purchasing
                                                                                                Q.A.
Update board rev to B2. Rev B and rev B1 were not                                               Receiving
released to production.                                                                    X    Service
Use Rev B2 BOM                                                                             X    Test
                                                                                                Vendor



        Continued on ECO Supplement Page                                                        Drawing(s) attached
                                                                      Parts Added                                  Parts Deleted
   Part Number                         Description
                                                           Qty          Ref. Designator          Qty                  Ref. Designator




                                                                                                                                       ECO FORM REV-H



 Backline preamp ECO file, 4/21/2004
6109B2.sch-1 - Thu Dec 19 17:39:43 2002
Backline 115 Preamp 206-0109-B2
Part No.     Reference              Description                            Manufacturer       Mfr. Part No.
001-1030-1 U1-5 U7-10               TLO72CP, LOW NOISE JFET OPAMP          MOTOROLA           TL072CP
001-3029-0 U6                       DG419, Analog Switch                   MAXIM              DG419DJ
010-2010-0 Q1-3                     J113,N-JFET,35V,2MA,TO-92              NATIONAL           J113
020-0050-0 D13                      1N751, ZENER,5.1V,10%,400MW,DO-35      NATIONAL           1N751
020-0120-0 D1-2 D14-15 D17-20       1N759A, ZENER,12V,5%,400MW, DO-35      MOTOROLA           1N759A
020-1000-0 D4 D6 D8-12 D16          1N4148, RECT-FAST, 200MA, 100V         MOTOROLA           1N4148
025-0012-0 D21                      LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCDSTANLEY            VRPG5614S
025-0023-0 D3                       LED,YELLOW, 3MM, 585NM, 5MCD, 10MA     EVERLIGHT          EL204YD
025-0101-0 D7                       LED,GREEN, 3MM, 565NM, 6MCD, 10MA      EVERLIGHT          EL204GD
025-0116-0 D5                       LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT          EL2041D
031-1107-0 C12 C38                  CAP,ELEC,RAD,107,20%,25V               UNITED CHEMI-CON   SMG25VB101M6X11LL
031-1477-0 C40                      CAP, ELEC, RAD, 470uF, 20%, 25V        UNITED CHEMI-CON   SMG25VB471M10X12LL
031-2106-0 C3,4,20,21,30,36,37,47   CAP,ELEC,RAD, 106, 20%, 50V            UNITED CHEMI-CON   SMG50VB10RM5X11LL
             C48
031-2335-0 C44 C46                  CAP,ELEC,RAD,335,20%,50V              UNITED CHEMI-CON    SMG50VB3R3M5X11LL
032-4102-0 C15 C41                  CAP,PE,102,5%,100V,                   PANASONIC           ECQB1102JF
032-4103-0 C5 C32-33 C43            CAP,PE,103,5%,100V,                   PANASONIC           ECQV1103JM
032-4104-0 C1 C11 C22 C24 C35       CAP,PE,104,5%,100V,                   PANASONIC           ECQV1104JM
032-4222-0 C16 C23 C28-29           CAP,PE,222,5%,100V,                   PANASONIC           ECQB1222JF
032-4224-0 C6 C9 C42                CAP,PE,224,5%,100V,                   PANASONIC           ECQV1224JM
032-4332-0 C14                      CAP,PE,332,5%,100V,                   PANASONIC           ECQB1332JF
032-4334-0 C8 C17 C19               CAP,PE,334,5%,100V,                   PANASONIC           ECQV1334JM
032-4472-0 C25-26 C49-50            CAP,PE,472,5%,100V,                   PANASONIC           ECQB1472JF
032-4473-0 C7                       CAP,PE,473,5%,100V,                   PANASONIC           ECQV1473JM
032-4474-0 C13                      CAP,PE,474,5%,100V,                   PANASONIC           ECQV1474JM
034-4101-0 C2 C31 C45               CAP,MCR,100pF,5%,100V,                TAITRON             TMRS101J100NPOB
034-4271-0 C18                      CAP,MCR,270pF,5%,100V,                TAITRON             TMRS271J100NPOB
034-4470-0 C34 C39                  CAP,MCR,47PF,5%,100V,NPO              TAITRON             TMRS470J100NPOB
034-4471-0 C10                      CAP,MCR,470pF,5%,100V,                TAITRON             TMRS471J100NPOB
034-4561-0 C27                      CAP,MCR,560pF,5%,100V,                TAITRON             TMRS561J100NPOB
060-1002-0 R90 R92                  RES,METAL FILM, 1.00K, 1/8W, 1%       ECI                 M1F1AK001.00
060-1003-0 R16,24,26,46,93          RES,METAL FILM, 10.0K, 1/8W,1%        ECI                 M1F1AK010.00
060-1004-0 R20,31,35,37,76,77,88    RES,METAL FILM, 100K, 1/8W, 1%        ECI                 M1F1AK100.00
             R94-97
060-1005-0 R2                       RES, MF, 1.00M, 1%,1/8W, 060-1005-0   ECI                 M1F1AM001.00
060-1212-0 R78                      RES,METAL FILM, 1.21K, 1/8W, 1%       ECI                 M1F1AK001.21
060-1213-0 R1,7,8,38,44,53,60,61    RES,METAL FILM, 12.1K OHM, 1/8W, 1%   ECI                 M1F1AK012.10
             R66,68,89,91
060-1214-0 R54                      RES,METAL FILM, 121K, 1/8W, 1%        ECI                 M1F1AK121.00
060-1374-0 R29                      RES,METAL FILM, 137K, 1/8W, 1%        ECI                 M1F1AK137.00
060-1503-0 R3 R10 R27 R86           RES,METAL FILM, 15.0K, 1/8W, 1%       ECI                 M1F1AK015.00
060-1504-0 R40                      RES,METAL FILM, 150K, 1/8W, 1%        ECI                 M1F1AK150.00
060-1822-0 R18                      RES,METAL FILM, 1.82K, 1/8W, 1%       ECI                 M1F1AK001.82
060-2211-0 R25 R74                  RES,METAL FILM, 221 ohm, 1/8W, 1%     ECI                 M1F1AJ221.00
060-2212-0 R4,6,13,15,42,45,50,52   RES,METAL FILM, 2.21K, 1/8W, 1%       ECI                 M1F1AK002.21
             R85
060-2213-0 R28 R36 R73              RES,METAL FILM, 22.1K, 1/8W, 1%       ECI                 M1F1AK022.10
060-2214-0 R47 R59                  RES,METAL FILM, 221K, 1/8W, 1%        ECI                 M1F1AK221.00
060-2215-0 R11                      RES, METAL FILM, 2.21M, 1/8W, 1%      ECI                 M1F1AM002.21
060-3012-0 R43                      RES,METAL FILM, 3.01K, 1/8W, 1%       ECI                 M1F1AK003.01
060-3322-0 R9 R30                   RES,METAL FILM, 3.32K, 1/8W, 1%       ECI                 M1F1AK003.32
060-3323-0 R34 R55                  RES,METAL FILM, 33.2K, 1/8W, 1%       ECI                 M1F1AK033.20
060-3482-0 R22                      RES,METAL FILM, 3.48K, 1/8W, 1%       ECI                 M1F1AK003.48
060-3922-0 R81                      RES,METAL FILM, 3.92K, 1/8W, 1%       ECI                 M1F1AK003.92
060-3923-0 R21                      RES,METAL FILM,39.2K,1/8W,1%          ECI                 M1F1AK039.2
060-3924-0 R12                      RES,METAL FILM, 392K, 1/8W, 1%        ECI                 M1F1AK392.00
060-4751-0 R84                      RES,METAL FILM, 475 ohm, 1/8W, 1%     ECI                 M1F1AJ475.00
060-4752-0 R14                      RES,METAL FILM, 4.75K, 1/8W, 1%       ECI                 M1F1AK004.75
060-4753-0 R5,56,58,63,67,82        RES,METAL FILM, 47.5K, 1/8W, 1%       ECI                 M1F1AK047.50
060-4754-0 R62 R65 R69-70           RES,METAL FILM, 475K, 1/8W, 1%        ECI                 M1F1AK475.00
060-5622-0 R17,48,51,71,75,83       RES,METAL FILM, 5.62K, 1/8W, 1%       ECI                 M1F1AK005.62
060-6811-0 R39                      RES,METAL FILM, 681 ohm, 1/8W, 1%     ECI                 M1F1AJ681.00
060-6812-0 R80                      RES,METAL FILM, 6.81K, 1/8W, 1%       ECI                 M1F1AK006.81
062-0000-0 R33                      RES, WIRE, 0.0 Ohm, 1/8W              ECI                 R1 0.0 OHM
070-1513-0 R19 R32                  POT,50K-15A,7MMB,KNURL,BRACKET        SONG HUEI           16K1-A50K-L15KC




                                                                                                  6109B2 BOM-4/21/2004-Rev B
                                                                                                                   Costed Bill Of Material
Backline 115 Preamp 206-0109-B2
Part No.     Reference            Description                           Manufacturer       Mfr. Part No.
070-1514-0 R23,49,57,64,72,79     POT,50KB,7MMB,KNURL,BRACKET           SONG HUEI          16K1-B50K-L15KC
070-1522-0 R41 R87                POT,2KB,7MMB,KNURL,BRACKET            SONG HUEI          16K1-B2K-L15KC
090-0007-0 S6                     SWITCH, 8A/128A,250V,PP,PCB           TECX               KDC-A04-10-B, B2-F
090-0012-0 S1-5                   SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM
                                                                        ELKECTRONIC COMP   MTH2UEE-1D911
092-0066-0 J8-9                   FASTON, M, PC, .250"                  KEYSTONE           1021
092-0081-0 J1-4 J6                JACK,1/4",MONO,PC,NON GROUNDING       NEUTRIK            S102-84
092-0084-0 J7                     CON,XLR,MALE,PC,PL, SCREW MNT         NEUTRIK            X906-05
093-2005-0 J5                     HDR, 2MMX7, VERT, SHROUDED            JST                B7B-PH-K-S




                                                                                                                6109B2 BOM-4/21/2004-Rev B
gallien technology                                                                                      Engineering Change Order


Customer Name:                  Gallien-Krueger                                      Current Rev #:         New ECO Rev #:           A1
Model:                          Backline 250BL and 115                               Distribute To:         Page:       1     Of:     1
Assembly Description:           preamp board                                            Originator: RAG
                                206-0181-A                                            Approved by:
Assembly Numbers:
                                                                                     Effective Date:
                                  Effective                                         Document Update              Date           Initials
        All in Process                     X   Next Buy                              Artwork
        All in Service                     X   Next Production Run                   Assembly Dwg.
      All in Stock                                                                   Board Artwork
Beginning Serial Number:                                                        X    BOM                                      TC
                            Reason For Change                                        Control Form
                                                                                X    Costing                                  TC
                                                                                     Fab Drawing
                                                                                     Inspection Proc.
                                                                                X    Part Master File                         RAG
                                                                                X    Schematic
                                                                                     Service Manual
                                                                                X    Test Procedure



                                                                               Other Affected Assemblies
                                                                               209-0180-A, 303-0180-A,
        Continued on ECO Supplement Page                                       303-1180-A, 303-2180-A
                           Description Of Change                                      Distribution               Date           Initials
Update board to 206-0181-A from 206-0109-B2.                                    X    Accounting
                                                                                     Assembly
Update all pad and hole sizes.                                                       Customer
                                                                                X    Engineering
                                                                                X    Incoming Q.C.
                                                                                     Planning
                                                                                X    Production Eng.
                                                                                X    Purchasing
                                                                                     Q.A.
                                                                                     Receiving
                                                                                X    Service
                                                                                X    Test
                                                                                     Vendor



        Continued on ECO Supplement Page                                             Drawing(s) attached
                                                           Parts Added                                  Parts Deleted
   Part Number             Description
                                                Qty          Ref. Designator           Qty                 Ref. Designator




                                                                                                                            ECO FORM REV-H



 206-0181, 4/21/2004
6181A.sch-1 - Mon Dec 09 16:14:33 2002
Backline 115 Preamp 206-0181-A
Part No.     Reference              Description                            Manufacturer       Mfr. Part No.
001-1030-1 U1-5 U7-10               TLO72CP, LOW NOISE JFET OPAMP          MOTOROLA           TL072CP
001-3029-0 U6                       DG419, Analog Switch                   MAXIM              DG419DJ
010-2010-0 Q1-3                     J113,N-JFET,35V,2MA,TO-92              NATIONAL           J113
020-0050-0 D13                      1N751, ZENER,5.1V,10%,400MW,DO-35      NATIONAL           1N751
020-0120-0 D1-2 D14-15 D17-20       1N759A, ZENER,12V,5%,400MW, DO-35      MOTOROLA           1N759A
020-1000-0 D4 D6 D8-12 D16          1N4148, RECT-FAST, 200MA, 100V         MOTOROLA           1N4148
025-0012-0 D21                      LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCDSTANLEY            VRPG5614S
025-0023-0 D3                       LED,YELLOW, 3MM, 585NM, 5MCD, 10MA     EVERLIGHT          EL204YD
025-0101-0 D7                       LED,GREEN, 3MM, 565NM, 6MCD, 10MA      EVERLIGHT          EL204GD
025-0116-0 D5                       LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT          EL2041D
031-1107-0 C12 C38                  CAP,ELEC,RAD,107,20%,25V               UNITED CHEMI-CON   SMG25VB101M6X11LL
031-1477-0 C40                      CAP, ELEC, RAD, 470uF, 20%, 25V        UNITED CHEMI-CON   SMG25VB471M10X12LL
031-2106-0 C3,4,20,21,30,36,37,47   CAP,ELEC,RAD, 106, 20%, 50V            UNITED CHEMI-CON   SMG50VB10RM5X11LL
             C48
031-2335-0 C44 C46                  CAP,ELEC,RAD,335,20%,50V              UNITED CHEMI-CON    SMG50VB3R3M5X11LL
032-4102-0 C15 C41                  CAP,PE,102,5%,100V,                   PANASONIC           ECQB1102JF
032-4103-0 C5 C32-33 C43            CAP,PE,103,5%,100V,                   PANASONIC           ECQV1103JM
032-4104-0 C1 C11 C22 C24 C35       CAP,PE,104,5%,100V,                   PANASONIC           ECQV1104JM
032-4222-0 C16 C23 C28-29           CAP,PE,222,5%,100V,                   PANASONIC           ECQB1222JF
032-4224-0 C6 C9 C42                CAP,PE,224,5%,100V,                   PANASONIC           ECQV1224JM
032-4332-0 C14                      CAP,PE,332,5%,100V,                   PANASONIC           ECQB1332JF
032-4334-0 C8 C17 C19               CAP,PE,334,5%,100V,                   PANASONIC           ECQV1334JM
032-4472-0 C25-26 C49-50            CAP,PE,472,5%,100V,                   PANASONIC           ECQB1472JF
032-4473-0 C7                       CAP,PE,473,5%,100V,                   PANASONIC           ECQV1473JM
032-4474-0 C13                      CAP,PE,474,5%,100V,                   PANASONIC           ECQV1474JM
034-4101-0 C2 C31 C45               CAP,MCR,100pF,5%,100V,                TAITRON             TMRS101J100NPOB
034-4271-0 C18                      CAP,MCR,270pF,5%,100V,                TAITRON             TMRS271J100NPOB
034-4470-0 C34 C39                  CAP,MCR,47PF,5%,100V,NPO              TAITRON             TMRS470J100NPOB
034-4471-0 C10                      CAP,MCR,470pF,5%,100V,                TAITRON             TMRS471J100NPOB
034-4561-0 C27                      CAP,MCR,560pF,5%,100V,                TAITRON             TMRS561J100NPOB
060-1002-0 R90 R92                  RES,METAL FILM, 1.00K, 1/8W, 1%       ECI                 M1F1AK001.00
060-1003-0 R16,24,26,46,93          RES,METAL FILM, 10.0K, 1/8W,1%        ECI                 M1F1AK010.00
060-1004-0 R20,31,35,37,76,77,88    RES,METAL FILM, 100K, 1/8W, 1%        ECI                 M1F1AK100.00
             R94-97
060-1005-0 R2                       RES, MF, 1.00M, 1%,1/8W, 060-1005-0   ECI                 M1F1AM001.00
060-1212-0 R78                      RES,METAL FILM, 1.21K, 1/8W, 1%       ECI                 M1F1AK001.21
060-1213-0 R1,7,8,38,44,53,60,61    RES,METAL FILM, 12.1K OHM, 1/8W, 1%   ECI                 M1F1AK012.10
             R66,68,89,91
060-1214-0 R54                      RES,METAL FILM, 121K, 1/8W, 1%        ECI                 M1F1AK121.00
060-1374-0 R29                      RES,METAL FILM, 137K, 1/8W, 1%        ECI                 M1F1AK137.00
060-1503-0 R3 R10 R27 R86           RES,METAL FILM, 15.0K, 1/8W, 1%       ECI                 M1F1AK015.00
060-1504-0 R40                      RES,METAL FILM, 150K, 1/8W, 1%        ECI                 M1F1AK150.00
060-1822-0 R18                      RES,METAL FILM, 1.82K, 1/8W, 1%       ECI                 M1F1AK001.82
060-2211-0 R25 R74                  RES,METAL FILM, 221 ohm, 1/8W, 1%     ECI                 M1F1AJ221.00
060-2212-0 R4,6,13,15,42,45,50,52   RES,METAL FILM, 2.21K, 1/8W, 1%       ECI                 M1F1AK002.21
             R85
060-2213-0 R28 R36 R73              RES,METAL FILM, 22.1K, 1/8W, 1%       ECI                 M1F1AK022.10
060-2214-0 R47 R59                  RES,METAL FILM, 221K, 1/8W, 1%        ECI                 M1F1AK221.00
060-2215-0 R11                      RES, METAL FILM, 2.21M, 1/8W, 1%      ECI                 M1F1AM002.21
060-3012-0 R43                      RES,METAL FILM, 3.01K, 1/8W, 1%       ECI                 M1F1AK003.01
060-3322-0 R9 R30                   RES,METAL FILM, 3.32K, 1/8W, 1%       ECI                 M1F1AK003.32
060-3323-0 R34 R55                  RES,METAL FILM, 33.2K, 1/8W, 1%       ECI                 M1F1AK033.20
060-3482-0 R22                      RES,METAL FILM, 3.48K, 1/8W, 1%       ECI                 M1F1AK003.48
060-3922-0 R81                      RES,METAL FILM, 3.92K, 1/8W, 1%       ECI                 M1F1AK003.92
060-3923-0 R21                      RES,METAL FILM,39.2K,1/8W,1%          ECI                 M1F1AK039.2
060-3924-0 R12                      RES,METAL FILM, 392K, 1/8W, 1%        ECI                 M1F1AK392.00
060-4751-0 R84                      RES,METAL FILM, 475 ohm, 1/8W, 1%     ECI                 M1F1AJ475.00
060-4752-0 R14                      RES,METAL FILM, 4.75K, 1/8W, 1%       ECI                 M1F1AK004.75
060-4753-0 R5,56,58,63,67,82        RES,METAL FILM, 47.5K, 1/8W, 1%       ECI                 M1F1AK047.50
060-4754-0 R62 R65 R69-70           RES,METAL FILM, 475K, 1/8W, 1%        ECI                 M1F1AK475.00
060-5622-0 R17,48,51,71,75,83       RES,METAL FILM, 5.62K, 1/8W, 1%       ECI                 M1F1AK005.62
060-6811-0 R39                      RES,METAL FILM, 681 ohm, 1/8W, 1%     ECI                 M1F1AJ681.00
060-6812-0 R80                      RES,METAL FILM, 6.81K, 1/8W, 1%       ECI                 M1F1AK006.81
062-0000-0 R33                      RES, WIRE, 0.0 Ohm, 1/8W              ECI                 R1 0.0 OHM
070-1513-0 R19 R32                  POT,50K-15A,7MMB,KNURL,BRACKET        SONG HUEI           16K1-A50K-L15KC




                                                                                                   6181A BOM-4/21/2004-Rev B
                                                                                                              Costed Bill Of Material
Backline 115 Preamp 206-0181-A
Part No.     Reference           Description                        Manufacturer       Mfr. Part No.
070-1514-0 R23,49,57,64,72,79    POT,50KB,7MMB,KNURL,BRACKET        SONG HUEI          16K1-B50K-L15KC
070-1522-0 R41 R87               POT,2KB,7MMB,KNURL,BRACKET         SONG HUEI          16K1-B2K-L15KC
090-0007-0 S6                    SWITCH, 8A/128A,250V,PP,PCB        TECX               KDC-A04-10-B, B2-F
090-0012-0 S1-5                  SWITCH,MIMI PP,DPDT,.1A BRK/MAKE   ELKECTRONIC COMP   MTH2UEE-1D911
092-0066-0 J8-9                  FASTON, M, PC, .250"               KEYSTONE           1021
092-0081-0 J1-4 J6               JACK,1/4",MONO,PC,NON GROUNDING    NEUTRIK            S102-84
092-0084-0 J7                    CON,XLR,MALE,PC,PL, SCREW MNT      NEUTRIK            X906-05
093-2005-0 J5                    HDR, 2MMX7, VERT, SHROUDED         JST                B7B-PH-K-S

145-0181-A                       BACKLINE 115 PREAMP BOARD




                                                                                                            6181A BOM-4/21/2004-Rev B
gallien technology                                                                                      Engineering Change Order


Customer Name:                   Gallien-Krueger                                     Current Rev #:         New ECO Rev #:           A1
Model:                           Backline 250BL and 115                              Distribute To:         Page:       1     Of:     1
Assembly Description:            preamp board                                           Originator: Arnel Millet
                                 206-0181-A                                           Approved by:
Assembly Numbers:
                                                                                     Effective Date: 4/1/2004
                                   Effective                                        Document Update              Date           Initials
        All in Process                     X   Next Buy                              Artwork
        All in Service                     X   Next Production Run                   Assembly Dwg.
      All in Stock                                                                   Board Artwork
Beginning Serial Number:                                                        X    BOM                                      TC
                             Reason For Change                                       Control Form
The BOOST circuit on the preamp board is loosing                                X    Costing                                  TC
its bias causing it to loose the signal during                                       Fab Drawing
normal operation.                                                                    Inspection Proc.
                                                                                X    Part Master File                         RAG
                                                                                X    Schematic                                ATM
                                                                                     Service Manual
                                                                                X    Test Procedure                           ATM


                                                                               Other Affected Assemblies
                                                                               209-0180-A, 303-0180-A,
        Continued on ECO Supplement Page                                       303-1180-A, 303-2180-A
                            Description Of Change                                     Distribution               Date           Initials
Replace D16 with 1.0K resistor to bias the BOOST                                X    Accounting
circuit properly.                                                                    Assembly
                                                                                     Customer
                                                                                X    Engineering
                                                                                X    Incoming Q.C.
                                                                                     Planning
                                                                                X    Production Eng.
Update board # to 206-0181-A1 from 206-0181-A                                   X    Purchasing
                                                                                     Q.A.
                                                                                     Receiving
                                                                                X    Service
                                                                                X    Test
                                                                                     Vendor



        Continued on ECO Supplement Page                                             Drawing(s) attached
                                                           Parts Added                                  Parts Deleted
   Part Number              Description
                                                Qty          Ref. Designator          Qty                  Ref. Designator
020-1000-0               1N4148, DIODE                                                      1 D10

060-1002-0               1.0K, 1/8W, 1%            1 R69




                                                                                                                            ECO FORM REV-H



 206-0181, 4/21/2004
6181A1.sch-1 - Wed Apr 21 14:47:25 2004



◦ Jabse Service Manual Search 2022 ◦ Jabse PravopisonTap.bg ◦ Other service manual resources online : FixyaeServiceinfo