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6241A.sch-1 - Wed Nov 27 18:46:14 2002

400RB-IV Preamp 206-0241-A Part No. Reference 001-1030-1 010-1013-0 010-2010-0 020-0120-0 020-1000-0 025-0012-0 025-0023-0 025-0030-2 025-0116-0 031-1107-0 031-1477-0 031-2106-0 031-2227-0 031-2335-0 032-4102-0 032-4103-0 032-4104-0 032-4222-0 032-4472-0 032-4474-0 032-4683-0 034-4100-0 034-4101-0 034-4221-0 034-4470-0 034-4561-0 052-6812-0 060-1002-0 060-1003-0 060-1004-0 060-1005-0 060-1213-0 U1-5 Q1 Q2 Q3A Q3B D1-6 D11-14 D9-10 D15 D16 D7 D17 D8 C37 C11 C41 C3,4,9,10,23,26,33,35 C38 C15 C18 C16-17 C43 C13 C29-30 C5 C19 C28 C34 C36 C24 C27 C32 C1-2 C14 C20-21 C42 C40 C12 C8 C6 C25 C7 C31 C39 C22 R15 R3-4 R34 R79 R1,2,7,8,13,18,68,69,78 R10 R22 R51 R5,6,9,31,39,43,48,53 R56,70,71 R40 R74 R12 R65 R75 R14 R27 R77 R61 R41 R28 R11 R20 R29-30 R42 R24 R26 R16 R21 R35 R38 R25 R46,47,49,55,63,67 R45 R50 R54 R57 R17 R36 R32,58,60,62,64,73 R19 R23 R37,44,52,59,66,72 R33 R76 S1 S2-6 J4-5 J6-9 J1 J3 J2

Description

Manufacturer

Mfr. Part No. TL072CP MPS-A56 J113 1N759A 1N4148 VRPG5614S EL204YD LTL-42B6 EL2041D SMG25VB101M6X11LL SMG25VB471M10X12LL SMG50VB10RM5X11LL SMG50VB221M10X12LL SMG50VB3R3M5X11LL ECQB1102JF ECQV1103JM ECQV1104JM ECQB1222JF ECQB1472JF ECQV1474JM ECQV1683JM TMRS100J100NPOB TMRS101J100NPOB TMRS221J100NPOB TMRS470J100NPOB TMRS561J100NPOB M2F1AK006.81 M1F1AK001.00 M1F1AK010.00 M1F1AK100.00 M1F1AM001.00 M1F1AK012.10

TLO72CP, LOW NOISE JFET OPAMP MOTOROLA MPSA56 PNP 80V 500MA TO-92 MOTOROLA J113,N-JFET,35V,2MA,TO-92 NATIONAL 1N759A, ZENER,12V,5%,400MW, DO-35 MOTOROLA 1N4148, RECT-FAST, 200MA, 100V MOTOROLA LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCD STANLEY LED,YELLOW, 3MM, 585NM, 5MCD, 10MA EVERLIGHT LED,BLUE, 10MA LITEON LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT CAP,ELEC,RAD,107,20%,25V UNITED CHEMI-CON CAP, ELEC, RAD, 470uF, 20%, 25V UNITED CHEMI-CON CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON CAP, ELEC, 220uF, 20%, 50V CAP,ELEC,RAD,335,20%,50V CAP,PE,102,5%,100V, CAP,PE,103,5%,100V, CAP,PE,104,5%,100V, CAP,PE,222,5%,100V, CAP,PE,472,5%,100V, CAP,PE,474,5%,100V, CAP,PE,683,5%,100V, CAP, MCR,10pF,5%,100V,NPO CAP,MCR,100pF,5%,100V, CAP,MCR,220pF,5%,100V, CAP,MCR,47PF,5%,100V,NPO CAP,MCR,560pF,5%,100V, RES, METAL FILM, 6.81K, 1/4W, 1% RES,METAL FILM, 1.00K, 1/8W, 1% RES,METAL FILM, 10.0K, 1/8W,1% RES,METAL FILM, 100K, 1/8W, 1% RES, METAL FILM, 1.00M, 1%,1/8W RES,METAL FILM, 12.1K, 1/8W, 1% UNITED CHEMI-CON UNITED CHEMI-CON PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC TAITRON TAITRON TAITRON TAITRON TAITRON ECI ECI ECI ECI ECI ECI

060-1214-0 060-1503-0 060-1823-0 060-2211-0 060-2212-0 060-2213-0 060-2214-0 060-2215-0 060-3012-0 060-3323-0 060-3324-0 060-3924-0 060-4751-0 060-4752-0 060-4753-0 060-4754-0 060-4992-0 060-5622-0 060-9092-0 070-1513-0 070-1514-0 070-1522-0 090-0007-0 090-0012-0 092-0066-0 092-0081-0 092-0084-0 093-0051-0 093-2005-0 145-0241-A

RES,METAL FILM, 121K, 1/8W, 1% RES,METAL FILM, 15.0K, 1/8W, 1% RES,METAL FILM, 18.2K, 1/8W, 1% RES,METAL FILM, 221, 1/8W, 1% RES,METAL FILM, 2.21K, 1/8W, 1% RES,METAL FILM, 22.1K, 1/8W, 1% RES,METAL FILM, 221K, 1/8W, 1% RES, METAL FILM, 2.21M, 1/8W, 1% RES,METAL FILM, 3.01K, 1/8W, 1% RES,METAL FILM, 33.2K, 1/8W, 1% RES,METAL FILM, 332K, 1/8W, 1% RES,METAL FILM, 392K, 1/8W, 1% RES,METAL FILM, 475, 1/8W, 1% RES,METAL FILM, 4.75K, 1/8W, 1% RES,METAL FILM, 47.5K, 1/8W, 1% RES,METAL FILM, 475K, 1/8W, 1% RES,METAL FILM, 4.99K, 1/8W, 1% RES,METAL FILM, 5.62K, 1/8W, 1% RES,METAL FILM, 9.09K, 1/8W, 1% POT,50K-15A,7MM,KNURL,.1W POT,50KB,7MM,KNURL,.1W POT,2KB,7MM,KNURL,.1W SWITCH, 8A/128A,250V,PP,PCB SWITCH,MIMI PP,DPDT,.1A BRK/MAKE FASTON, M, PC, .250" JACK,1/4",MONO,PC,NON GROUNDING CON,XLR,MALE,PC,PL, SCREW MNT HDR, 2MMX2, VERT, LOCK HDR, 2MMX7, VERT, SHROUDED 400RB-IV PREAMP RAW BOARD

ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI SONG HUEI SONG HUEI SONG HUEI TECX ELKECTRONIC COMP KEYSTONE NEUTRIK NEUTRIK JST JST

M1F1AK121.00 M1F1AK015.00 M1F1AK018.20 M1F1AJ221.00 M1F1AK002.21 M1F1AK022.10 M1F1AK221.00 M1F1AM002.21 M1F1AK003.01 M1F1AK033.20 M1F1AK332.00 M1F1AK392.00 M1F1AJ475.00 M1F1AK004.75 M1F1AK047.50 M1F1AK475.00 M1F1AK004.99 M1F1AK005.62 M1F1AK009.09 16K1-A50K-L15KC 16K1-B50K-L15KC 16K1-B2K-L15KC KDC-A04-10-B, B2-F MTH2UEE-1D911 1021 S102-84 X906-05 B2B-PH-K-S B7B-PH-K-S

6241A BOM-4/21/2004-Rev B

gallien technology
Customer Name: Model: Assembly Description: Assembly Numbers:

Engineering Change Order
Current Rev #: Distribute To: Originator: RAG Approved by: Effective Date: 8/8/2003 Document Update Date Initials

Gallien-Krueger 400RB-IV Preamp 206-0241-A1
Effective

A

New ECO Rev #: Page:

1

Of:

A1 1

All in Process All in Service All in Stock Beginning Serial Number:

X

Next Buy Next Production Run

Artwork Assembly Dwg.

X X
Reason For Change

Board Artwork BOM Control Form Costing Fab Drawing

Update boost and gain structure to match 800RB. X X X X

Inspection Proc. Part Master File Schematic Service Manual Test Procedure

Continued on ECO Supplement Page Description Of Change

Other Affected Assemblies 290 Assembly, 302 Assembly (Head) 303 Assemblies (Combos)
Distribution Accounting Assembly Date Initials

Make changes as indicated below. X X X X

Engineering Incoming Q.C. Production Eng. Purchasing Q.A. Service

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

Test Parts Deleted Qty Ref. Designator

060-1002-0 060-4752-0 060-1213-0 060-3012-0 060-2002-0 032-4222-0 034-4101-0 032-4104-0 032-4103-0 020-1000-0 060-1503-0 060-4753-0 060-1213-0 060-4992-0 034-4470-0 032-4472-0 020-0120-0 032-4683-0

1K,1/8W,MF 4.75K,1/8W,MF 12.1K,1/8W,MF 3.01K,1/8W,MF 2.00K,1/8W,MF .0022uF/100V 100pF/100V .1uF/100V .01uF/100V 1N4148 15K,1/8W 47.5K,1/8W 12.1K,1/8W,MF 4.99K,1/8W 47pF/100V .0047uF/100V 1N759A .068uF/100V

1 1 2 1 1 2 1 1 1

R80 R74 R67,34A R70 R36 C42,44 C39 C12 C14A 1 1 1 1 1 1 1 2 1 D15 R74 R67 R70 R36 C39 C42 D11,12 C12

400RB-IV 206-0241 Preamp, 4/14/2004

6241A1.sch-1 - Thu Aug 07 16:13:50 2003

400RB-IV Preamp 206-0241-A1 Part No. Reference 001-1030-1 U1-5 010-1013-0 Q1 010-2010-0 Q2 Q3A Q3B 020-0120-0 D1-6 D13-14 020-1000-0 D9-10 025-0012-0 D16 025-0023-0 D7 025-0030-2 D17 025-0116-0 D8 031-1107-0 C37 031-1477-0 C11 C41 031-2106-0 C3,4,9,10,23,26,33 C35 C38 031-2227-0 C15 C18 031-2335-0 C16-17 032-4102-0 C43 032-4103-0 C13 C29-30 C14A 032-4104-0 C5,12,19,28,34,36 032-4222-0 C24 C27 C32 C42 C44 032-4472-0 C1-2 C14 C20-21 032-4474-0 C40 034-4100-0 C8 034-4101-0 C6 C25 C39 034-4221-0 C7 034-4561-0 C22 052-6812-0 R15 060-1002-0 R3-4 R80 060-1003-0 R34 R79 060-1004-0 R1-2 R7-8 R13 R18 R68-69 R78 060-1005-0 R10 R22 R51 060-1213-0 R5,6,9,31,39,43,48,53 R56,71,34A 060-1213-0 R67 060-1214-0 R40 060-1823-0 R12 060-2002-0 R36 060-2211-0 R65 R75 060-2212-0 R14 R27 R77 060-2213-0 R61 060-2214-0 R41 060-2215-0 R28 060-3012-0 R11 R70 060-3323-0 R20 R29-30 R42 060-3324-0 R24 060-3924-0 R26 060-4751-0 R16 R21 R35 R38 060-4752-0 R25 R74 060-4753-0 R46-47 R49 R55 R63 060-4754-0 R45 R50 R54 R57 060-4992-0 R17 060-5622-0 R32,58,60,62,64,73 060-9092-0 R19 070-1513-0 R23 070-1514-0 R37,44,52,59,66,72 070-1522-0 R33 R76 090-0007-0 S1 090-0012-0 S2-6 092-0066-0 J4-5 092-0081-0 J6-9 092-0084-0 J1 093-0051-0 J3 093-2005-0 J2

Description TLO72CP, LOW NOISE JFET OPAMP MPSA56 PNP 80V 500MA TO-92 J113,N-JFET,35V,2MA,TO-92 1N759A, ZENER,12V,5%,400MW, DO-35 1N4148, RECT-FAST, 200MA, 100V LED,RED/GRN,5MM,630NM/560NM, LED,YELLOW, 3MM, 585NM, 5MCD, 10MA LED,BLUE, 10MA LED,RED, 3MM, 635NM, 6MCD, 10MA, CAP,ELEC,RAD,107,20%,25V CAP, ELEC, RAD, 470uF, 20%, 25V CAP,ELEC,RAD, 106, 20%, 50V CAP, ELEC, 220uF, 20%, 50V CAP,ELEC,RAD,335,20%,50V CAP,PE,102,5%,100V, CAP,PE,103,5%,100V, CAP,PE,104,5%,100V, CAP,PE,222,5%,100V, CAP,PE,472,5%,100V, CAP,PE,474,5%,100V, CAP, MCR,10pF,5%,100V,NPO CAP,MCR,100pF,5%,100V, CAP,MCR,220pF,5%,100V, CAP,MCR,560pF,5%,100V, RES, METAL FILM, 6.81K, 1/4W, 1% RES,METAL FILM, 1.00K, 1/8W, 1% RES,METAL FILM, 10.0K, 1/8W,1% RES,METAL FILM, 100K, 1/8W, 1% RES, MF, 1.00M, 1%,1/8W, RES,METAL FILM, 12.1K, 1/8W, 1% RES,METAL FILM, 12.1K, 1/8W, 1% RES,METAL FILM, 121K, 1/8W, 1% RES,METAL FILM, 18.2K, 1/8W, 1% RES,METAL FILM, 2.00K, 1/8W, 1% RES,METAL FILM, 221 ohm, 1/8W, 1% RES,METAL FILM, 2.21K, 1/8W, 1% RES,METAL FILM, 22.1K, 1/8W, 1% RES,METAL FILM, 221K, 1/8W, 1% RES, METAL FILM, 2.21M, 1/8W, 1% RES,METAL FILM, 3.01K, 1/8W, 1% RES,METAL FILM, 33.2K, 1/8W, 1% RES,METAL FILM, 332K, 1/8W, 1% RES,METAL FILM, 392K, 1/8W, 1% RES,METAL FILM, 475 ohm, 1/8W, 1% RES,METAL FILM, 4.75K, 1/8W, 1% RES,METAL FILM, 47.5K, 1/8W, 1% RES,METAL FILM, 475K, 1/8W, 1% RES,METAL FILM, 4.99K, 1/8W, 1% RES,METAL FILM, 5.62K, 1/8W, 1% RES,METAL FILM, 9.09K, 1/8W, 1% POT,50K-15A,7MM,KNURL,.1W POT,50KB,7MM,KNURL,.1W POT,2KB,7MM,KNURL,.1W SWITCH, 8A/128A,250V,PP,PCB SWITCH,MIMI PP,DPDT,.1A BRK/MAKE, FASTON, M, PC, .250" JACK,1/4",MONO,PC,NON GROUNDING CON,XLR,MALE,PC,PL, SCREW MNT HDR, 2MMX2, VERT, LOCK HDR, 2MMX7, VERT, SHROUDED

Manufacturer MOTOROLA MOTOROLA NATIONAL MOTOROLA MOTOROLA STANLEY EVERLIGHT LITEON EVERLIGHT UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC TAITRON TAITRON TAITRON TAITRON ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI SONG HUEI SONG HUEI SONG HUEI TECX ELKECTRONIC COMP KEYSTONE NEUTRIK NEUTRIK JST JST

Mfr. Part No. TL072CP MPS-A56 J113 1N759A 1N4148 VRPG5614S EL204YD LTL-42B6 EL2041D SMG25VB101M6X11LL SMG25VB471M10X12LL SMG50VB10RM5X11LL SMG50VB221M10X12LL SMG50VB3R3M5X11LL ECQB1102JF ECQV1103JM ECQV1104JM ECQB1222JF ECQB1472JF ECQV1474JM TMRS100J100NPOB TMRS101J100NPOB TMRS221J100NPOB TMRS561J100NPOB M2F1AK006.81 M1F1AK001.00 M1F1AK010.00 M1F1AK100.00 M1F1AM001.00 M1F1AK012.10 M1F1AK012.10 M1F1AK121.00 M1F1AK018.20 M1F1AK002.00 M1F1AJ221.00 M1F1AK002.21 M1F1AK022.10 M1F1AK221.00 M1F1AM002.21 M1F1AK003.01 M1F1AK033.20 M1F1AK332.00 M1F1AK392.00 M1F1AJ475.00 M1F1AK004.75 M1F1AK047.50 M1F1AK475.00 M1F1AK004.99 M1F1AK005.62 M1F1AK009.09 16K1-A50K-L15KC 16K1-B50K-L15KC 16K1-B2K-L15KC KDC-A04-10-B, B2-F MTH2UEE-1D911 1021 S102-84 X906-05 B2B-PH-K-S B7B-PH-K-S

145-0241-A

400RB-IV PREAMP RAW BOARD

6241A1 BOM-4/21/2004-Rev B

6241A2.sch-1 - Mon Aug 16 11:54:18 2004

400RB-IV Preamp Part No. Reference 032-4102-0 C43 032-4222-0 C24 C27 C32 C42 C44 032-4472-0 C1-2 C14 C20-21 032-4103-0 C13 C29-30 C14A 032-4104-0 C5 C12 C19 C28 C34 C36 032-4474-0 C40 034-4101-0 C6 C25 C39 031-1107-0 C37 034-4100-0 C8 031-2106-0 C3-4 C9-10 C23 C26 C33 C35 C38 034-4221-0 C7 031-2227-0 C15 C18 031-2335-0 C16-17 031-1477-0 C11 C41 034-4561-0 C22 092-0081-0 J6-9 092-0066-0 J4-5 092-0084-0 J1 020-1000-0 D9-10 020-0120-0 D1-6 D13-14 093-0051-0 J3 093-2005-0 J2 001-1030-1 U1-5 025-0030-2 D17 025-0012-0 D16 025-0116-0 D8 025-0023-0 D7 000-0000-0 X1 070-1522-0 R33 R76 070-1513-0 R23 070-1514-0 R37 R44 R52 R59 R66 R72 060-1002-0 R3-4 R80 060-1005-0 R10 R22 R51 060-1005-0 R50 060-1003-0 R34 R79 060-1003-0 R58 060-1004-0 R1-2 R7-8 R13 R18 R68-69 R 060-1213-0 R5-6 R9 R31 R39 R43 R48 R5 R56 R71 R34A 060-1213-0 R67 060-1214-0 R40 060-1823-0 R12 060-2002-0 R36 060-2212-0 R14 R27 R77 060-2215-0 R28 060-2213-0 R61 060-2214-0 R41 060-2211-0 R65 R75 060-3012-0 R11 R70 060-3323-0 R20 R29-30 R42 060-3324-0 R24 060-3924-0 R26 060-4752-0 R25 R74 060-4992-0 R17 060-4753-0 R46-47 R49 R55 R63 060-4754-0 R45 R54 R57 060-4751-0 R16 R21 R35 R38 060-5622-0 R32 R62 R64 R73 052-6812-0 R15 060-7501-0 R60 060-9092-0 R19 090-0012-0 S2-6 090-0007-0 S1 010-2010-0 Q2 Q3A Q3B 010-1013-0 Q1

Bill Of Materia Description CAP,PE,102,5%,100V, CAP,PE,222,5%,100V, CAP,PE,472,5%,100V, CAP,PE,103,5%,100V, CAP,PE,104,5%,100V, CAP,PE,474,5%,100V, CAP,MCR,100pF,5%,100V, CAP,ELEC,RAD,107,20%,25V CAP, MCR,10pF,5%,100V,NPO CAP,ELEC,RAD, 106, 20%, 50V

206-0241-A2 Manufacturer PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC PANASONIC TAITRON UNITED CHEMI-CON TAITRON UNITED CHEMI-CON

Mfr. Part No. ECQB1102JF ECQB1222JF ECQB1472JF ECQV1103JM ECQV1104JM ECQV1474JM TMRS101J100NPOB SMG25VB101M6X11LL TMRS100J100NPOB SMG50VB10RM5X11LL

Quan 1 5 5 4 6 1 3 1 1 9

CAP,MCR,220pF,5%,100V, CAP, ELEC, 220uF, 20%, 50V CAP,ELEC,RAD,335,20%,50V CAP, ELEC, RAD, 470uF, 20%, 25V CAP,MCR,560pF,5%,100V, JACK,1/4",MONO,PC,NON GROUNDING FASTON, M, PC, .250" CON,XLR,MALE,PC,PL, SCREW MNT 1N4148, RECT-FAST, 200MA, 100V 1N759A, ZENER,12V,5%,400MW, DO-35 HDR, 2MMX2, VERT, LOCK HDR, 2MMX7, VERT, SHROUDED TLO72CP, LOW NOISE JFET OPAMP LED,BLUE, 10MA LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCD LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG LED,YELLOW, 3MM, 585NM, 5MCD, 10MA .125 HOLE, NON-PLATED POT,2KB,7MM,KNURL,.1W POT,50K-15A,7MM,KNURL,.1W POT,50KB,7MM,KNURL,.1W RES,METAL FILM, 1.00K, 1/8W, 1% RES, MF, 1.00M, 1%,1/8W, 060-1005-0 RES, METAL FILM, 1.00M, 1/8W, 1% RES,METAL FILM, 10.0K, 1/8W,1% RES,METAL FILM, 10.0K, 1/8W,1% 78 RES,METAL FILM, 100K, 1/8W, 1% 3 RES,METAL FILM, 12.1K OHM, 1/8W, 1% RES,METAL FILM, 12.1K, 1/8W, 1% RES,METAL FILM, 121K, 1/8W, 1% RES,METAL FILM, 18.2K, 1/8W, 1% RES,METAL FILM, 2.00K, 1/8W, 1% RES,METAL FILM, 2.21K, 1/8W, 1% RES, METAL FILM, 2.21M, 1/8W, 1% RES,METAL FILM, 22.1K, 1/8W, 1% RES,METAL FILM, 221K, 1/8W, 1% RES,METAL FILM, 221 ohm, 1/8W, 1% RES,METAL FILM, 3.01K, 1/8W, 1% RES,METAL FILM, 33.2K, 1/8W, 1% RES,METAL FILM, 332K, 1/8W, 1% RES,METAL FILM, 392K, 1/8W, 1% RES,METAL FILM, 4.75K, 1/8W, 1% RES,METAL FILM, 4.99K, 1/8W, 1% RES,METAL FILM, 47.5K, 1/8W, 1% RES,METAL FILM, 475K, 1/8W, 1% RES,METAL FILM, 475 ohm, 1/8W, 1% RES,METAL FILM, 5.62K, 1/8W, 1% RES, METAL FILM, 6.81K OHM, 1/4W, 1% RES,METAL FILM, 750, 1/8W, 1% RES,METAL FILM, 9.09K, 1/8W, 1% SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM SWITCH, 8A/128A,250V,PP,PCB J113,N-JFET,35V,2MA,TO-92 MPSA56 PNP 80V 500MA TO-92 400RB-IV PREAMP RAW BOARD

TAITRON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON TAITRON NEUTRIK KEYSTONE NEUTRIK MOTOROLA MOTOROLA JST JST MOTOROLA LITEON STANLEY EVERLIGHT EVERLIGHT SONG HUEI SONG HUEI SONG HUEI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ELKECTRONIC COMP TECX NATIONAL MOTOROLA

TMRS221J100NPOB SMG50VB221M10X12LL SMG50VB3R3M5X11LL SMG25VB471M10X12LL TMRS561J100NPOB S102-84 1021 X906-05 1N4148 1N759A B2B-PH-K-S B7B-PH-K-S TL072CP LTL-42B6 VRPG5614S EL2041D EL204YD 16K1-B2K-L15KC 16K1-A50K-L15KC 16K1-B50K-L15KC M1F1AK001.00 M1F1AM001.00 M1F1AK475.00 M1F1AK010.00 M1F1AK005.62 M1F1AK100.00 M1F1AK012.10 M1F1AK012.10 M1F1AK121.00 M1F1AK018.20 M1F1AK002.00 M1F1AK002.21 M1F1AM002.21 M1F1AK022.10 M1F1AK221.00 M1F1AJ221.00 M1F1AK003.01 M1F1AK033.20 M1F1AK332.00 M1F1AK392.00 M1F1AK004.75 M1F1AK004.99 M1F1AK047.50 M1F1AK475.00 M1F1AJ475.00 M1F1AK005.62 M2F1AK006.81 M1F1AK005.62 M1F1AK009.09 MTH2UEE-1D911 KDC-A04-10-B, B2-F J113 MPS-A56

1 2 2 2 1 4 2 1 2 8 1 1 5 1 1 1 1 1 2 1 6 3 3 1 2 1 9 11 1 1 1 1 3 1 1 1 2 2 4 1 1 2 1 5 3 4 4 1 1 1 5 1 3 1 1.00

145-0241-A

6241A2 BOM-12/1/2004-Rev B

gallien technology
Customer Name: Model: Assembly Description: Assembly Numbers:

Engineering Change Order
Current Rev #: Distribute To:

Gallien-Krueger 400RB-IV Preamp 206-0241-A
Effective

A1 New ECO Rev #: 1 Of: Page: Originator: Enrique Hernandez 8/2/2004
Date

A2 2

Approved by: Effective Date: Document Update Initials

X

All in Process All in Service

X

Next Buy Next Production Run

Artwork Assembly Dwg. Board Artwork

All in Stock Beginning Serial Number: Reason For Change

X

BOM Control Form Costing Fab Drawing Inspection Proc.

Noli

Re-voicing of the Pre-Amp: Resistors R50, R58, and R60 were replaced with different value resistors, as listed below, to reduce brightness, and increase low end bass efficiency of the amplifier.

X X X

Part Master File Schematic Service Manual Test Procedure

Noli 8/16/04 Noli

Other Affected Assemblies 302 and 303 Assemblies
Continued on ECO Supplement Page Description Of Change Distribution Accounting Assembly Customer Date Initials

Update BOM. Update Part Master File. X X X X

Engineering Incoming Q.C. Planning Production Eng. Purchasing Q.A. Receiving Service

X

Test Vendor

Continued on ECO Supplement Page Part Number Description Parts Added Qty Ref. Designator

Drawing(s) attached Parts Deleted Qty Ref. Designator

060-4754-0 060-5622-0 060-5622-0 060-1005-0 060-1003-0 060-7501-0

475K, 1/8W, MF 5.62K, 1/8W, MF 5.62K, 1/8W, MF 1M, 1/8W, MF 10K, 1/8W, MF 750 ohm,1/8W,MF

1 R50 1 R58 1 R60 1 R50 1 R58 1 R60

ECO FORM REV-I

400RB-IV 206-0241 Preamp, 8/16/2004