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6251A.sch-1 - Wed Dec 04 15:48:22 2002
1001RB-II PRE AMP 206-0251-A
Part No. Reference Description Manufacturer Mfr. Part No.
001-1030-1 U1-9 TLO72CP, LOW NOISE JFET OPAMP MOTOROLA TL072CP
010-1013-0 Q3 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56
010-2010-0 Q1-2 Q4 J113,N-JFET,35V,2MA,TO-92 NATIONAL J113
020-0120-0 D1-6 D10-11 D13-14 1N759A, ZENER,12V,5%,400MW, DO-35 MOTOROLA 1N759A
020-1000-0 D9 D12 D17 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148
025-0012-0 D16 LED,RED/GRN,5MM,630NM/560NM,15MCD STANLEY VRPG5614S
025-0023-0 D7 LED,YELLOW, 3MM, 585NM, 5MCD, 10MA EVERLIGHT EL204YD
025-0030-2 D15 LED,BLUE, 10MA LITEON LTL-42B6
025-0116-0 D8 LED,RED, 3MM, 635NM, 6MCD, 10MA EVERLIGHT EL2041D
031-1107-0 C8 C45 CAP,ELEC,RAD,107,20%,25V UNITED CHEMI-CON SMG25VB101M6X11LL
031-1477-0 C44 CAP, ELEC, RAD, 470uF, 20%, 25V UNITED CHEMI-CON SMG25VB471M10X12LL
031-2106-0 C3,4,10,12,28,33,37,42 CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON SMG50VB10RM5X11LL
031-2227-0 C13 C15 CAP, ELEC, 220uF, 20%, 50V UNITED CHEMI-CON SMG50VB221M10X12LL
031-2335-0 C14 C16 CAP,ELEC,RAD,335,20%,50V UNITED CHEMI-CON SMG50VB3R3M5X11LL
032-4102-0 C49 CAP,PE,102,5%,100V, PANASONIC ECQB1102JF
032-4103-0 C17 C30-31 CAP,PE,103,5%,100V, PANASONIC ECQV1103JM
032-4104-0 C6,11,18,27,32,39,43 CAP,PE,104,5%,100V, PANASONIC ECQV1104JM
032-4153-0 C40-41 CAP,PE,153,5%,100V, PANASONIC ECQV1153JM
032-4222-0 C22 C24 C26 CAP,PE,222,5%,100V, PANASONIC ECQB1222JF
032-4224-0 C48 CAP,PE,224,5%,100V, PANASONIC ECQV1224JM
032-4332-0 C34-36 CAP,PE,332,5%,100V, PANASONIC ECQB1332JF
032-4472-0 C1-2 C19-21 C47 CAP,PE,472,5%,100V, PANASONIC ECQB1472JF
034-4100-0 C9 CAP, MCR,10pF,5%,100V,NPO TAITRON TMRS100J100NPOB
034-4101-0 C5 C23 C38 CAP,MCR,100pF,5%,100V, TAITRON TMRS101J100NPOB
034-4221-0 C7 CAP,MCR,220pF,5%,100V, TAITRON TMRS221J100NPOB
034-4470-0 C29 C46 CAP,MCR,47PF,5%,100V,NPO TAITRON TMRS470J100NPOB
034-4561-0 C25 CAP,MCR,560pF,5%,100V, TAITRON TMRS561J100NPOB
052-6812-0 R21 RES, METAL FILM, 6.81K OHM, 1/4W, 1% ECI M2F1AK006.81
060-1002-0 R3-4 R67 R80 R86 RES,METAL FILM, 1.00K, 1/8W, 1% ECI M1F1AK001.00
060-1003-0 R39,66,68,69,71-74,76 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK010.00
R79,93,100
060-1004-0 R1,2,6,9,15,87,88,90,97 RES,METAL FILM, 100K, 1/8W, 1% ECI M1F1AK100.00
R99
060-1005-0 R11 R24 R53 RES, MF, 1.00M, 1%,1/8W, 060-1005-0 ECI M1F1AM001.00
060-1213-0 R5,8,12,30,34,42,50,56 RES,METAL FILM, 12.1K OHM, 1/8W, 1% ECI M1F1AK012.10
R60 R98
060-1214-0 R41 RES,METAL FILM, 121K, 1/8W, 1% ECI M1F1AK121.00
060-1503-0 R14,95 RES,METAL FILM, 15.0K, 1/8W, 1% ECI M1F1AK015.00
060-2003-0 R18 RES,METAL FILM, 20.0K, 1/8W, 1% ECI M1F1AK020.00
060-2211-0 R65 RES,METAL FILM, 221 ohm, 1/8W, 1% ECI M1F1AJ221.00
060-2212-0 R20 R35 R101 RES,METAL FILM, 2.21K, 1/8W, 1% ECI M1F1AK002.21
060-2213-0 R32 R61 RES,METAL FILM, 22.1K, 1/8W, 1% ECI M1F1AK022.10
060-2214-0 R22 R51 RES,METAL FILM, 221K, 1/8W, 1% ECI M1F1AK221.00
060-2215-0 R29 RES, METAL FILM, 2.21M, 1/8W, 1% ECI M1F1AM002.21
060-2742-0 R75 R77 RES,METAL FILM, 2.74K, 1/8W, 1% ECI M1F1AK002.74
060-3012-0 R19 RES,METAL FILM, 3.01K, 1/8W, 1% ECI M1F1AK003.01
060-3323-0 R7 R37 RES,METAL FILM, 33.2K, 1/8W, 1% ECI M1F1AK033.20
060-3923-0 R33 RES,METAL FILM,39.2K,1/8W,1% ECI M1F1AK039.2
060-4751-0 R13,17,25,27,82,89 RES,METAL FILM, 475 ohm, 1/8W, 1% ECI M1F1AJ475.00
060-4752-0 R28 RES,METAL FILM, 4.75K, 1/8W, 1% ECI M1F1AK004.75
060-4753-0 R46-48 R57 R62 R92 RES,METAL FILM, 47.5K, 1/8W, 1% ECI M1F1AK047.50
060-4754-0 R23 R43 R52 R55 R58 RES,METAL FILM, 475K, 1/8W, 1% ECI M1F1AK475.00
060-4992-0 R16 R40 R96 RES,METAL FILM, 4.99K, 1/8W, 1% ECI M1F1AK004.99
060-5622-0 R36,44,45,59,64,81 RES,METAL FILM, 5.62K, 1/8W, 1% ECI M1F1AK005.62
060-6813-0 R83 RES,METAL FILM, 68.1K, 1/8W, 1% ECI M1F1AK068.10
060-8252-0 R84 RES,METAL FILM, 8.25K, 1/8W, 1% ECI M1F1AK008.25
070-1513-0 R10 R26 POT,50K-15A,7MM,KNURL,.1W SONG HUEI 16K1-A50K-L15KC
070-1514-0 R38,49,54,63,70,78 POT,50KB,7MM,KNURL,.1W SONG HUEI 16K1-B50K-L15KC
070-1522-0 R31 R85 R94 POT,2KB,7MM,KNURL,.1W SONG HUEI 16K1-B2K-L15KC
090-0007-0 S1 SWITCH, 8A/128A,250V,PP,PCB TECX KDC-A04-10-B, B2-F
090-0012-0 S2-8 SWITCH,MIMI PP,DPDT,.1A BRK/MAKE ELKECTRONIC COMP MTH2UEE-1D911
092-0069-0 J5-6 FASTON, M, PC, .250",HOR ZIERICK 901
092-0081-0 J7-10 JACK,1/4",MONO,PC,NON GROUNDING NEUTRIK S102-84
092-0084-0 J1 CON,XLR,MALE,PC,PL, SCREW MNT NEUTRIK X906-05
093-0051-0 J3-4 HDR, 2MMX2, VERT, LOCK JST B2B-PH-K-S
093-2005-0 J2 HDR, 2MMX7, VERT, SHROUDED JST B7B-PH-K-S
145-0251-A 700RB-II PREAMP RAW BOARD

6251A BOM-4/21/2004-Rev B
gallien technology Engineering Change Order

Customer Name: Gallien-Krueger Current Rev #: A New ECO Rev #: A1
Model: 700RB-II/1001RB-II Distribute To: Page: 1 Of: 2
Assembly Description: 700RB-II/1001RB-II preamp Originator: Robert A. Gallien
206-0251-A Approved by:
Assembly Numbers:
Effective Date: 4/17/2003
Effective Document Update Date Initials
X 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
Reason For Change Control Form
X Costing
Preamp will oscillate under certain EQ settings Fab Drawing
Inspection Proc.
x Part Master File
X Schematic
Service Manual
Test Procedure

Other Affected Assemblies
303 & 302 Assmblies
Continued on ECO Supplement Page
Description Of Change Distribution Date Initials
Accounting
Remove C29 (Figure 1) Assembly
Customer
Add .001uf cap from D14 cathode to gnd (Fig 2) X Engineering
This will be referenced as C29. X Incoming Q.C.
Planning
This change is a mod to existing Rev A boards. X Production Eng.
The board artwork was not updated. X Purchasing
Q.A.
Receiving
Service
X Test
Vendor

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

034-4470-0 47pf, 100V 1 C29

032-4102-0 .001UF, 100v 1 C29

ECO FORM REV-H

206-0251 preamp, 4/14/2004
6251A1.sch-1 - Thu Apr 17 13:35:00 2003
1001RB-II Preamp 206-0251-A1
Part No. Reference Description Manufacturer Mfr. Part No.
001-1030-1 U1-9 TLO72CP, LOW NOISE JFET OPAMP MOTOROLA TL072CP
010-1013-0 Q3 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56
010-2010-0 Q1-2 Q4 J113,N-JFET,35V,2MA,TO-92 NATIONAL J113
020-0120-0 D1-6 D10-11 D13-14 1N759A, ZENER,12V,5%,400MW, DO-35 MOTOROLA 1N759A
020-1000-0 D9 D12 D17 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148
025-0012-0 D16 LED,RED/GRN,5MM,630NM/560NM,15MCD STANLEY VRPG5614S
025-0023-0 D7 LED,YELLOW, 3MM, 585NM, 5MCD, 10MA EVERLIGHT EL204YD
025-0030-2 D15 LED,BLUE, 10MA LITEON LTL-42B6
025-0116-0 D8 LED,RED, 3MM, 635NM, 6MCD, 10MA EVERLIGHT EL2041D
031-1107-0 C8 C45 CAP,ELEC,RAD,107,20%,25V UNITED CHEMI-CON SMG25VB101M6X11LL
031-1477-0 C44 CAP, ELEC, RAD, 470uF, 20%, 25V UNITED CHEMI-CON SMG25VB471M10X12LL
031-2106-0 C3,4,10,12,28,33,37,42 CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON SMG50VB10RM5X11LL
031-2227-0 C13 C15 CAP, ELEC, 220uF, 20%, 50V UNITED CHEMI-CON SMG50VB221M10X12LL
031-2335-0 C14 C16 CAP,ELEC,RAD,335,20%,50V UNITED CHEMI-CON SMG50VB3R3M5X11LL
032-4102-0 C49, (C29 ECOA1) CAP,PE,102,5%,100V, PANASONIC ECQB1102JF
032-4103-0 C17 C30-31 CAP,PE,103,5%,100V, PANASONIC ECQV1103JM
032-4104-0 C6,11,18,27,32,39,43 CAP,PE,104,5%,100V, PANASONIC ECQV1104JM
032-4153-0 C40-41 CAP,PE,153,5%,100V, PANASONIC ECQV1153JM
032-4222-0 C22 C24 C26 CAP,PE,222,5%,100V, PANASONIC ECQB1222JF
032-4224-0 C48 CAP,PE,224,5%,100V, PANASONIC ECQV1224JM
032-4332-0 C34-36 CAP,PE,332,5%,100V, PANASONIC ECQB1332JF
032-4472-0 C1-2 C19-21 C47 CAP,PE,472,5%,100V, PANASONIC ECQB1472JF
034-4100-0 C9 CAP, MCR,10pF,5%,100V,NPO TAITRON TMRS100J100NPOB
034-4101-0 C5 C23 C38 CAP,MCR,100pF,5%,100V, TAITRON TMRS101J100NPOB
034-4221-0 C7 CAP,MCR,220pF,5%,100V, TAITRON TMRS221J100NPOB
034-4470-0 C46 CAP,MCR,47PF,5%,100V,NPO TAITRON TMRS470J100NPOB
034-4561-0 C25 CAP,MCR,560pF,5%,100V, TAITRON TMRS561J100NPOB
052-6812-0 R21 RES, METAL FILM, 6.81K OHM, 1/4W, 1% ECI M2F1AK006.81
060-1002-0 R3-4 R67 R80 R86 RES,METAL FILM, 1.00K, 1/8W, 1% ECI M1F1AK001.00
060-1003-0 R39,66,68,69,71-74,76 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK010.00
R79,93,100
060-1004-0 R1,2,6,9,15,87,88,90,97 RES,METAL FILM, 100K, 1/8W, 1% ECI M1F1AK100.00
R99
060-1005-0 R11 R24 R53 RES, MF, 1.00M, 1%,1/8W, 060-1005-0 ECI M1F1AM001.00
060-1213-0 R5,8,12,30,34,42,50,56 RES,METAL FILM, 12.1K OHM, 1/8W, 1% ECI M1F1AK012.10
R60 R98
060-1214-0 R41 RES,METAL FILM, 121K, 1/8W, 1% ECI M1F1AK121.00
060-1503-0 R14,95 RES,METAL FILM, 15.0K, 1/8W, 1% ECI M1F1AK015.00
060-2003-0 R18 RES,METAL FILM, 20.0K, 1/8W, 1% ECI M1F1AK020.00
060-2211-0 R65 RES,METAL FILM, 221 ohm, 1/8W, 1% ECI M1F1AJ221.00
060-2212-0 R20 R35 R101 RES,METAL FILM, 2.21K, 1/8W, 1% ECI M1F1AK002.21
060-2213-0 R32 R61 RES,METAL FILM, 22.1K, 1/8W, 1% ECI M1F1AK022.10
060-2214-0 R22 R51 RES,METAL FILM, 221K, 1/8W, 1% ECI M1F1AK221.00
060-2215-0 R29 RES, METAL FILM, 2.21M, 1/8W, 1% ECI M1F1AM002.21
060-2742-0 R75 R77 RES,METAL FILM, 2.74K, 1/8W, 1% ECI M1F1AK002.74
060-3012-0 R19 RES,METAL FILM, 3.01K, 1/8W, 1% ECI M1F1AK003.01
060-3323-0 R7 R37 RES,METAL FILM, 33.2K, 1/8W, 1% ECI M1F1AK033.20
060-3923-0 R33 RES,METAL FILM,39.2K,1/8W,1% ECI M1F1AK039.2
060-4751-0 R13,17,25,27,82,89 RES,METAL FILM, 475 ohm, 1/8W, 1% ECI M1F1AJ475.00
060-4752-0 R28 RES,METAL FILM, 4.75K, 1/8W, 1% ECI M1F1AK004.75
060-4753-0 R46-48 R57 R62 R92 RES,METAL FILM, 47.5K, 1/8W, 1% ECI M1F1AK047.50
060-4754-0 R23 R43 R52 R55 R58 RES,METAL FILM, 475K, 1/8W, 1% ECI M1F1AK475.00
060-4992-0 R16 R40 R96 RES,METAL FILM, 4.99K, 1/8W, 1% ECI M1F1AK004.99
060-5622-0 R36,44,45,59,64,81 RES,METAL FILM, 5.62K, 1/8W, 1% ECI M1F1AK005.62
060-6813-0 R83 RES,METAL FILM, 68.1K, 1/8W, 1% ECI M1F1AK068.10
060-8252-0 R84 RES,METAL FILM, 8.25K, 1/8W, 1% ECI M1F1AK008.25
070-1513-0 R10 R26 POT,50K-15A,7MM,KNURL,.1W SONG HUEI 16K1-A50K-L15KC
070-1514-0 R38,49,54,63,70,78 POT,50KB,7MM,KNURL,.1W SONG HUEI 16K1-B50K-L15KC
070-1522-0 R31 R85 R94 POT,2KB,7MM,KNURL,.1W SONG HUEI 16K1-B2K-L15KC
090-0007-0 S1 SWITCH, 8A/128A,250V,PP,PCB TECX KDC-A04-10-B, B2-F
090-0012-0 S2-8 SWITCH,MIMI PP,DPDT,.1A BRK/MAKE ELKECTRONIC COMP MTH2UEE-1D911
092-0069-0 J5-6 FASTON, M, PC, .250",HOR ZIERICK 901
092-0081-0 J7-10 JACK,1/4",MONO,PC,NON GROUNDING NEUTRIK S102-84
092-0084-0 J1 CON,XLR,MALE,PC,PL, SCREW MNT NEUTRIK X906-05
093-0051-0 J3-4 HDR, 2MMX2, VERT, LOCK JST B2B-PH-K-S
093-2005-0 J2 HDR, 2MMX7, VERT, SHROUDED JST B7B-PH-K-S
145-0251-A 700RB-II PREAMP RAW BOARD 6251A1 BOM-4/21/2004-Rev B
gallien technology Engineering Change Order

Customer Name: Gallien-Krueger Current Rev #: A1 New ECO Rev #: A2
Model: 700RB-II/1001RB-II Distribute To: Page: 1 Of: 1
Assembly Description: 700RB-II/1001RB-II preamp Originator: Robert A. Gallien
206-0251-A Approved by:
Assembly Numbers:
Effective Date: 8/5/2003
Effective Document Update Date Initials
All in Process Next Buy Artwork
All in Service Next Production Run Assembly Dwg.
All in Stock x Board Artwork
Beginning Serial Number: x BOM
Reason For Change Control Form
Add Rev A1 changes to layout with other Costing
modifications to: Fab Drawing
1. Correct frequency response to match 800RB at Inspection Proc.
all volume settings. The volume pot had to x Part Master File
be loaded to behave like the 800RB. x Schematic
2. Put 800RB Boost circuit back. Service Manual
3. Reroute ground bus between U5 and U6 to x Test Procedure
eliminate hum at Boost levels, in the output
and in the Post Direct Out. Other Affected Assemblies
4. Adjust gain to match 800RB.
Continued on ECO Supplement Page
Description Of Change Distribution Date Initials
Board and BOM updated to incorporate changes Accounting
listed below. Assembly
x Engineering
x Incoming Q.C.
x Production Eng.
x Purchasing
Q.A.
Service
x Test
Continued on Supplement Page Drawing(s) attached
Parts Added Parts Deleted
Part Number Description
Qty Ref. Designator Qty Ref. Designator
034-4221-0 220pF/100V 3 C46,50,51
032-4103-0 .01uF/100V 1 C17A
060-1002-0 1K, 1/8W MF 1 R91
060-4752-0 4.75K,1/8W,MF 1 R95
060-1213-0 12.1K,1/8W,MF 2 R29A,92
060-2002-0 2.00K,1/8W.MF 1 R40
020-0120-0 1N759A 2 D10,11
020-1000-0 1N4148 1 D17
060-4992-0 4.99K,1/8W,MF 1 R40
060-1503-0 15K,1/8W,MF 1 R95
060-4753-0 47.5K,1/8W,MF 1 R92
034-4470-0 47pF/100V 1 C46
032-4102-0 .001uF/100V 1 C29

206-0251 preamp, 4/14/2004
6251A2.sch-1 - Tue Aug 05 13:41:02 2003
1001RB-II Preamp 206-0251-A2
Part No. Reference Description Manufacturer Mfr. Part No.
001-1030-1 U1-9 TLO72CP, LOW NOISE JFET OPAMP MOTOROLA TL072CP
010-1013-0 Q3 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56
010-2010-0 Q1-2 Q4 J113,N-JFET,35V,2MA,TO-92 NATIONAL J113
020-0120-0 D1-6 D13-14 1N759A, ZENER,12V,5%,400MW, DO-35 MOTOROLA 1N759A
020-1000-0 D9 D12 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148
025-0012-0 D16 LED,RED/GRN,5MM,630NM/560NM,15MCD STANLEY VRPG5614S
025-0023-0 D7 LED,YELLOW, 3MM, 585NM, 5MCD, 10MA EVERLIGHT EL204YD
025-0030-2 D15 LED,BLUE, 10MA LITEON LTL-42B6
025-0116-0 D8 LED,RED, 3MM, 635NM, 6MCD, 10MA EVERLIGHT EL2041D
031-1107-0 C8 C45 CAP,ELEC,RAD,107,20%,25V UNITED CHEMI-CON SMG25VB101M6X11LL
031-1477-0 C44 CAP, ELEC, RAD, 470uF, 20%, 25V UNITED CHEMI-CON SMG25VB471M10X12LL
031-2106-0 C3,4,10,12,28,33,37,42 CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON SMG50VB10RM5X11LL
031-2227-0 C13 C15 CAP, ELEC, 220uF, 20%, 50V UNITED CHEMI-CON SMG50VB221M10X12LL
031-2335-0 C14 C16 CAP,ELEC,RAD,335,20%,50V UNITED CHEMI-CON SMG50VB3R3M5X11LL
032-4102-0 C49 CAP,PE,102,5%,100V, PANASONIC ECQB1102JF
032-4103-0 C17 C30-31 C17A CAP,PE,103,5%,100V, PANASONIC ECQV1103JM
032-4104-0 C6,11,18,27,32,39,43 CAP,PE,104,5%,100V, PANASONIC ECQV1104JM
032-4153-0 C40-41 CAP,PE,153,5%,100V, PANASONIC ECQV1153JM
032-4222-0 C22 C24 C26 CAP,PE,222,5%,100V, PANASONIC ECQB1222JF
032-4224-0 C48 CAP,PE,224,5%,100V, PANASONIC ECQV1224JM
032-4332-0 C34-36 CAP,PE,332,5%,100V, PANASONIC ECQB1332JF
032-4472-0 C1-2 C19-21 C47 CAP,PE,472,5%,100V, PANASONIC ECQB1472JF
034-4100-0 C9 CAP, MCR,10pF,5%,100V,NPO TAITRON TMRS100J100NPOB
034-4101-0 C5 C23 C38 CAP,MCR,100pF,5%,100V, TAITRON TMRS101J100NPOB
034-4221-0 C7 C46 C50-51 CAP,MCR,220pF,5%,100V, TAITRON TMRS221J100NPOB
034-4561-0 C25 CAP,MCR,560pF,5%,100V, TAITRON TMRS561J100NPOB
052-6812-0 R21 RES, METAL FILM, 6.81K OHM, 1/4W, 1% ECI M2F1AK006.81
060-1002-0 R3-4 R67 R80 R86 R91 RES,METAL FILM, 1.00K, 1/8W, 1% ECI M1F1AK001.00
060-1003-0 R39,66,68,69,71-74,76 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK010.00
R79,93,100
060-1004-0 R1,2,6,9,15,87,88,90,97 RES,METAL FILM, 100K, 1/8W, 1% ECI M1F1AK100.00
R99
060-1005-0 R11 R24 R53 RES, MF, 1.00M, 1%,1/8W, 060-1005-0 ECI M1F1AM001.00
060-1213-0 R5,8,12,30,34,42,50,56 RES,METAL FILM, 12.1K OHM, 1/8W, 1% ECI M1F1AK012.10
R60,98
060-1213-0 R92 R29A RES,METAL FILM, 12.1K, 1/8W, 1% ECI M1F1AK012.10
060-1214-0 R41 RES,METAL FILM, 121K, 1/8W, 1% ECI M1F1AK121.00
060-1503-0 R14 RES,METAL FILM, 15.0K, 1/8W, 1% ECI M1F1AK015.00
060-2002-0 R40 RES,METAL FILM, 2.00K, 1/8W, 1% ECI M1F1AK002.00
060-2003-0 R18 RES,METAL FILM, 20.0K, 1/8W, 1% ECI M1F1AK020.00
060-2211-0 R65 RES,METAL FILM, 221 ohm, 1/8W, 1% ECI M1F1AJ221.00
060-2212-0 R20 R35 R101 RES,METAL FILM, 2.21K, 1/8W, 1% ECI M1F1AK002.21
060-2213-0 R32 R61 RES,METAL FILM, 22.1K, 1/8W, 1% ECI M1F1AK022.10
060-2214-0 R22 R51 RES,METAL FILM, 221K, 1/8W, 1% ECI M1F1AK221.00
060-2215-0 R29 RES, METAL FILM, 2.21M, 1/8W, 1% ECI M1F1AM002.21
060-2742-0 R75 R77 RES,METAL FILM, 2.74K, 1/8W, 1% ECI M1F1AK002.74
060-3012-0 R19 RES,METAL FILM, 3.01K, 1/8W, 1% ECI M1F1AK003.01
060-3323-0 R7 R37 RES,METAL FILM, 33.2K, 1/8W, 1% ECI M1F1AK033.20
060-3923-0 R33 RES,METAL FILM,39.2K,1/8W,1% ECI M1F1AK039.2
060-4751-0 R13,17,25,27,82,89 RES,METAL FILM, 475 ohm, 1/8W, 1% ECI M1F1AJ475.00
060-4752-0 R28 R95 RES,METAL FILM, 4.75K, 1/8W, 1% ECI M1F1AK004.75
060-4753-0 R46-48 R57 R62 RES,METAL FILM, 47.5K, 1/8W, 1% ECI M1F1AK047.50
060-4754-0 R23 R43 R52 R55 R58 RES,METAL FILM, 475K, 1/8W, 1% ECI M1F1AK475.00
060-4992-0 R16 R96 RES,METAL FILM, 4.99K, 1/8W, 1% ECI M1F1AK004.99
060-5622-0 R36,44,45,59,64,81 RES,METAL FILM, 5.62K, 1/8W, 1% ECI M1F1AK005.62
060-6813-0 R83 RES,METAL FILM, 68.1K, 1/8W, 1% ECI M1F1AK068.10
060-8252-0 R84 RES,METAL FILM, 8.25K, 1/8W, 1% ECI M1F1AK008.25
070-1513-0 R10 R26 POT,50K-15A,7MM,KNURL,.1W SONG HUEI 16K1-A50K-L15KC
070-1514-0 R38,49,54,63,70,78 POT,50KB,7MM,KNURL,.1W SONG HUEI 16K1-B50K-L15KC
070-1522-0 R31 R85 R94 POT,2KB,7MM,KNURL,.1W SONG HUEI 16K1-B2K-L15KC

6251A2 BOM-4/21/2004-Rev B
1001RB-II Preamp 206-0251-A2
Part No. Reference Description Manufacturer Mfr. Part No.
090-0007-0 S1 SWITCH, 8A/128A,250V,PP,PCB TECX KDC-A04-10-B, B2-F
090-0012-0 S2-8 SWITCH,MIMI PP,DPDT,.1A BRK/MAKE ELKECTRONIC COMP MTH2UEE-1D911
092-0069-0 J5-6 FASTON, M, PC, .250",HOR ZIERICK 901
092-0081-0 J7-10 JACK,1/4",MONO,PC,NON GROUNDING NEUTRIK S102-84
092-0084-0 J1 CON,XLR,MALE,PC,PL, SCREW MNT NEUTRIK X906-05
093-0051-0 J3-4 HDR, 2MMX2, VERT, LOCK JST B2B-PH-K-S
093-2005-0 J2 HDR, 2MMX7, VERT, SHROUDED JST B7B-PH-K-S
145-0251-A2 700RB-II PREAMP BOARD

6251A2 BOM-4/21/2004-Rev B
6251A3.sch-1 - Fri Aug 13 15:43:51 2004
700RB-II Preamp Bill Of Material 206-0251-A3
Part No. Reference Description Manufacturer Mfr. Part No. Quan
032-4102-0 C49 CAP,PE,102,5%,100V, PANASONIC ECQB1102JF 1
032-4222-0 C22 C24 C26 CAP,PE,222,5%,100V, PANASONIC ECQB1222JF 3
032-4332-0 C34-36 CAP,PE,332,5%,100V, PANASONIC ECQB1332JF 3
032-4472-0 C1-2 C19-21 C47 CAP,PE,472,5%,100V, PANASONIC ECQB1472JF 6
032-4153-0 C40-41 CAP,PE,153,5%,100V, PANASONIC ECQV1153JM 2
032-4103-0 C17 C30-31 C17A CAP,PE,103,5%,100V, PANASONIC ECQV1103JM 4
032-4104-0 C6 C11 C18 C27 C32 C39 C43 CAP,PE,104,5%,100V, PANASONIC ECQV1104JM 7
032-4224-0 C48 CAP,PE,224,5%,100V, PANASONIC ECQV1224JM 1
034-4101-0 C5 C23 C38 CAP,MCR,100pF,5%,100V, TAITRON TMRS101J100NPOB 3
031-1107-0 C8 C45 CAP,ELEC,RAD,107,20%,25V UNITED CHEMI-CON SMG25VB101M6X11LL 2
034-4100-0 C9 CAP, MCR,10pF,5%,100V,NPO TAITRON TMRS100J100NPOB 1
031-2106-0 C3-4 C10 C12 C28 C33 C37 C42 CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON SMG50VB10RM5X11LL 8
034-4221-0 C7 C46 C50-51 CAP,MCR,220pF,5%,100V, TAITRON TMRS221J100NPOB 4
031-2227-0 C13 C15 CAP, ELEC, 220uF, 20%, 50V UNITED CHEMI-CON SMG50VB221M10X12LL 2
031-2335-0 C14 C16 CAP,ELEC,RAD,335,20%,50V UNITED CHEMI-CON SMG50VB3R3M5X11LL 2
031-1477-0 C44 CAP, ELEC, RAD, 470uF, 20%, 25V UNITED CHEMI-CON SMG25VB471M10X12LL 1
034-4561-0 C25 CAP,MCR,560pF,5%,100V, TAITRON TMRS561J100NPOB 1
092-0081-0 J7-10 JACK,1/4",MONO,PC,NON GROUNDING NEUTRIK S102-84 4
092-0069-0 J5-6 FASTON, M, PC, .250",HOR ZIERICK 901 2
092-0084-0 J1 CON,XLR,MALE,PC,PL, SCREW MNT NEUTRIK X906-05 1
020-1000-0 D9 D12 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148 2
020-0120-0 D1-6 D13-14 1N759A, ZENER,12V,5%,400MW, DO-35 MOTOROLA 1N759A 8
093-0051-0 J3-4 HDR, 2MMX2, VERT, LOCK JST B2B-PH-K-S 2
093-2005-0 J2 HDR, 2MMX7, VERT, SHROUDED JST B7B-PH-K-S 1
001-1030-1 U1-9 TLO72CP, LOW NOISE JFET OPAMP MOTOROLA TL072CP 9
025-0030-2 D15 LED,BLUE, 10MA LITEON LTL-42B6 1
025-0012-0 D16 LED,RED/GRN,5MM,630NM/560NM,15MCD/15MCD STANLEY VRPG5614S 1
025-0116-0 D8 LED,RED, 3MM, 635NM, 6MCD, 10MA, 40DEG EVERLIGHT EL2041D 1
025-0023-0 D7 LED,YELLOW, 3MM, 585NM, 5MCD, 10MA EVERLIGHT EL204YD 1
000-0000-0 X1-2 .125 HOLE, NON-PLATED 2
070-1522-0 R31 R85 R94 POT,2KB,7MM,KNURL,.1W SONG HUEI 16K1-B2K-L15KC 3
070-1513-0 R10 R26 POT,50K-15A,7MM,KNURL,.1W SONG HUEI 16K1-A50K-L15KC 2
070-1514-0 R38 R49 R54 R63 R70 R78 POT,50KB,7MM,KNURL,.1W SONG HUEI 16K1-B50K-L15KC 6
060-1002-0 R3-4 R67 R80 R86 R91 RES,METAL FILM, 1.00K, 1/8W, 1% ECI M1F1AK001.00 6
060-1005-0 R11 R24 R53 RES, MF, 1.00M, 1%,1/8W, 060-1005-0 ECI M1F1AM001.00 3
060-1005-0 R52 RES, METAL FILM, 1.00M, 1/8W, 1% ECI M1F1AK475.00 1
060-1003-0 R39 R66 R68-69 R71-74 R76 R79 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK010.00 12
R93 R100
060-1003-0 R44 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK005.62 1
060-1004-0 R1-2 R6 R9 R15 R87-88 R90 R97 RES,METAL FILM, 100K, 1/8W, 1% ECI M1F1AK100.00 10
R99
060-1213-0 R5 R8 R12 R30 R34 R42 R50 R56 RES,METAL FILM, 12.1K OHM, 1/8W, 1% ECI M1F1AK012.10 10
R60 R98
060-1213-0 R92 R29A RES,METAL FILM, 12.1K, 1/8W, 1% ECI M1F1AK012.10 2
060-1214-0 R41 RES,METAL FILM, 121K, 1/8W, 1% ECI M1F1AK121.00 1
060-1503-0 R14 RES,METAL FILM, 15.0K, 1/8W, 1% ECI M1F1AK015.00 1
060-2002-0 R40 RES,METAL FILM, 2.00K, 1/8W, 1% ECI M1F1AK002.00 1
060-2212-0 R20 R35 R101 RES,METAL FILM, 2.21K, 1/8W, 1% ECI M1F1AK002.21 3
060-2215-0 R29 RES, METAL FILM, 2.21M, 1/8W, 1% ECI M1F1AM002.21 1
060-2742-0 R75 R77 RES,METAL FILM, 2.74K, 1/8W, 1% ECI M1F1AK002.74 2
060-2003-0 R18 RES,METAL FILM, 20.0K, 1/8W, 1% ECI M1F1AK020.00 1
060-2213-0 R32 R61 RES,METAL FILM, 22.1K, 1/8W, 1% ECI M1F1AK022.10 2
060-2214-0 R22 R51 RES,METAL FILM, 221K, 1/8W, 1% ECI M1F1AK221.00 2
060-2211-0 R65 RES,METAL FILM, 221 ohm, 1/8W, 1% ECI M1F1AJ221.00 1
060-3012-0 R19 RES,METAL FILM, 3.01K, 1/8W, 1% ECI M1F1AK003.01 1
060-3323-0 R7 R37 RES,METAL FILM, 33.2K, 1/8W, 1% ECI M1F1AK033.20 2
060-3923-0 R33 RES,METAL FILM,39.2K,1/8W,1% ECI M1F1AK039.2 1
060-4752-0 R28 R95 RES,METAL FILM, 4.75K, 1/8W, 1% ECI M1F1AK004.75 2
060-4992-0 R16 R96 RES,METAL FILM, 4.99K, 1/8W, 1% ECI M1F1AK004.99 2
060-4753-0 R46-48 R57 R62 RES,METAL FILM, 47.5K, 1/8W, 1% ECI M1F1AK047.50 5
060-4754-0 R23 R43 R55 R58 RES,METAL FILM, 475K, 1/8W, 1% ECI M1F1AK475.00 4
060-4751-0 R13 R17 R25 R27 R82 R89 RES,METAL FILM, 475 ohm, 1/8W, 1% ECI M1F1AJ475.00 6
060-5622-0 R36 R59 R64 R81 RES,METAL FILM, 5.62K, 1/8W, 1% ECI M1F1AK005.62 4
052-6812-0 R21 RES, METAL FILM, 6.81K OHM, 1/4W, 1% ECI M2F1AK006.81 1
060-6813-0 R83 RES,METAL FILM, 68.1K, 1/8W, 1% ECI M1F1AK068.10 1
060-7501-0 R45 RES,METAL FILM, 750, 1/8W, 1% ECI M1F1AK005.62 1
060-8252-0 R84 RES,METAL FILM, 8.25K, 1/8W, 1% ECI M1F1AK008.25 1
090-0012-0 S2-8 SWITCH,MIMI PP,DPDT,.1A BRK/MAKE,PC TERM ELKECTRONIC COMP MTH2UEE-1D911 7

6251A3 BOM-12/1/2004-Rev B
700RB-II Preamp Bill Of Material 206-0251-A3
Part No. Reference Description Manufacturer Mfr. Part No. Quan
090-0007-0 S1 SWITCH, 8A/128A,250V,PP,PCB TECX KDC-A04-10-B, B2-F 1
010-2010-0 Q1-2 Q4 J113,N-JFET,35V,2MA,TO-92 NATIONAL J113 3
010-1013-0 Q3 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56 1
145-0251-A2 700RB-II PREAMP BOARD 1.00

6251A3 BOM-12/1/2004-Rev B
gallien technology Engineering Change Order

Customer Name: Gallien-Krueger Current Rev #: A2 New ECO Rev #: A3
Model: 700RB-II/1001RB-II Distribute To: 1 Of:
Page: 2
Assembly Description: 700RB-II/1001RB-II preamp Originator: Enrique Hernandez
206-0251-A Approved by:
Assembly Numbers:
Effective Date: 7/30/2004
Effective Document Update Date Initials
X All in Process X Next Buy Artwork
All in Service Next Production Run Assembly Dwg.
All in Stock Board Artwork
Beginning Serial Number: X BOM Noli
Reason For Change Control Form
Re-voicing of the Pre-Amp: Costing
Resistors R44, R45, and R52 were replaced with Fab Drawing
different value resistors, as listed below, to Inspection Proc.
reduce brightness, and increase low end bass X Part Master File Noli
efficiency of the amplifier. X Schematic Noli
Service Manual
X Test Procedure

Other Affected Assemblies

Continued on ECO Supplement Page
Description Of Change Distribution Date Initials
Accounting
Assembly
X Engineering
X Incoming Q.C.
X Production Eng.
X Purchasing
Q.A.
Service
X Test
Continued on Supplement Page Drawing(s) attached
Parts Added Parts Deleted
Part Number Description
Qty Ref. Designator Qty Ref. Designator
060-5622-0 5.62K, 1/8W, MF 1 R44
060-5622-0 5.62K, 1/8W, MF 1 R45
060-4754-0 475K, 1/8W, MF 1 R52
060-1003-0 10K, 1/8W, MF 1 R44
060-7501-0 750 ohm,1/8W,MF 1 R45
060-1005-0 1M, 1/8W, MF 1 R52

ECO FORM REV-J

206-0251 preamp, 8/16/2004
6250A.sch-1 - Fri Dec 06 18:02:18 2002
700RB-II Power Amp 206-0250-A
Part No. Reference Description Manufacturer Mfr. Part No.
001-2060-0 U2 LM555, TIMER NATIONAL LM555CN
001-3886-0 U1 LM3886 ,68W AUDIO POWER AMP NATIONAL LM3886T
010-0000-0 Q2 2SC3381BL,NPNX2,80V,100MA,2-10M1B TOSHIBA 2SC3281BL
010-0001-0 Q1 Q4-6 Q8 Q21 2SC3478, NPN,180V,100MA,TO-92 NEC 2SC3478-K
010-0003-0 Q11 2SC3502-F,NPN,200V,100MA,TO-126 TOSHIBA 2SC3502
010-0012-0 Q18-19 Q30 MPSAO6, NPN,80V,500MA,TO-92 MOTOROLA MPS-A06
010-0035-0 U3 LM35DT, TEMPERATURE SENSOR, TO-220 NATIONAL LM35DT
010-1002-0 Q9-10 Q20 2SA1376, PNP,180V,100MA,TO-92 NEC 2SA1376-K
010-1003-0 Q14 2SA1380-F,PNP,200V,100MA,TO-126 SANYO/TOSHIBA 2SA1380-F/E
010-1013-0 Q12 Q15 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56
012-0002-0 Q13 Q16-17 2SC4793,NPN,200V,1.5A,2-10R1A TOSHIBA 2SC4793
012-0003-0 Q25-27 Q32 Q34-35 2SC5242,NPN,230V,15A,2-16C1A TOSHIBA 2SC5242-O
012-1002-0 Q3 Q7 Q33 2SA1837,PNP,200V,1.5A,2-10R1A TOSHIBA 2SA1837
012-1003-0 Q22-24 Q28-29 Q31 2SA1962,PNP,230V,15A,2-16C1A TOSHIBA 2SA1962
014-0070-0 U5 LM317 NATIONAL LM317
014-1072-0 U4 LM337 NATIONAL LM337
020-0004-0 D13 1N755A, ZENER,7.5V,500MW ,D035 TAITRON 1N755A
020-0036-0 D5 D9 1N747A, ZENER, 3.6V, 5%, 400MW, DO-35 TAITRON 1N747A
020-0050-0 D8 1N751, ZENER,5.1V,10%,400MW,DO-35 NATIONAL 1N751
020-0240-0 D21 1N970B, ZENER, 24V, 5%, 500MW, DO-35 TAITRON 1N970B
020-1000-0 D2-4 D10-11 D14 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148
020-1022-0 D6-7 BAV20, RECT, 200V, DO-35 NATIONAL BAV20
020-1104-0 D15 SHOTTKY, 1A, 40V, 10NS, DO-41 MOTOROLA 1N5819
020-1120-0 D1 D12 MUR120,RECT-FAST, 1A, 200V, 25NS, 59-04 MOTOROLA MUR120
020-1122-0 D18-20 D22-24 MUR410, RECT-FAST, 4A, 100V MOTOROLA MUR410
020-2106-0 D16-17 1N4004,RECT,1A,400V,DO-41 TAITRON 1N4004
023-0112-0 BR1-3 BRIDGE, 25A, 200V, VERT, PC, MO25S-02 CHENG-YI MP25-02S
031-1336-0 C20 C26 CAP,ELEC,RAD,336,20%,25V UNITED CHEMI-CON SRG25VB33RM5X7LL
031-2105-0 C21 CAP,ELEC,RAD, 105, 20%, 50V UNITED CHEMI-CON C440C105M5U5CA
031-2106-0 C7,16,19,33,36,37 CAP,ELEC,RAD, 106, 20%, 50V UNITED CHEMI-CON SMG50VB10RM5X11LL
031-2107-0 C9 C31-32 CAP,ELEC,RAD,107, 20%, 50V UNITED CHEMI-CON SMG50VB101M8X11LL
031-2159-0 C30 C38 C40 C47 CAP, ELEC, RAD, 159, 20%, 50V UNITED CHEMI-CON SMH50VN153M35X45T2
031-2335-0 C13 CAP,ELEC,RAD,335,20%,50V UNITED CHEMI-CON SMG50VB3R3M5X11LL
031-4476-0 C14 C17 CAP,ELEC,RAD,476,-10%+50%,100V UNITED CHEMI-CON SMG100VB47RM10X12LL
032-4103-0 C23 CAP,PE,103,5%,100V, PANASONIC ECQV1103JM
032-4104-0 C4,6,18,24,34,35,41-46 CAP,PE,104,5%,100V, PANASONIC ECQV1104JM
032-4333-0 C11 CAP,PE,333,5%,100V, PANASONIC ECQV1333JM
032-4472-0 C1 C3 C27-29 CAP,PE,472,5%,100V, PANASONIC ECQB1472JF
032-7104-0 C2 C25 CAP,PE,104,10%, 250V ILLINOIS CAPACITOR 104MSR250K
034-4221-0 C10 CAP,MCR,220pF,5%,100V, TAITRON TMRS221J100NPOB
034-4470-0 C8 CAP,MCR,47PF,5%,100V,NPO TAITRON TMRS470J100NPOB
034-4471-0 C12 CAP,MCR,470pF,5%,100V, TAITRON TMRS471J100NPOB
034-7103-0 C39 CAP, CERMIC DISK, 103, 10%, X-250V PANASONIC ECK-DRS103ZV
035-8030-0 C15 CAP MICA AXIAL , 3pF, 10%, 500V CORNELL CD10CD030D03
035-8561-0 C22 CAP MICA RADIAL, 561, 5%, 300V CORNELL CD15FC561J103
052-2212-0 R43 R45 RES,METAL FILM,2.21k,1/4W,1% ECI M2F1AK002.21
052-5622-0 R25 R35 RES,METAL FILM,5.62K,1/4W,1% ECI M5F1AK005.62
053-0270-0 R1 RES ,CARBON FILM,2.7 ,1/2W,5% ECI R5J3AJ002.70
054-.100-0 R52,53,55,56,58,60,63 RES, METAL OXIDE, 0.1, 1W, 5% ECI MO10J3AJ000.10
R64,66-68
054-.330-0 R79 RES, METAL OXIDE, 0.33, 1W, 5% ECI MO10J3AJ000.33
055-0101-0 R47-48 RES, METAL OXIDE, 10, 2W, 5% ECI MOM20J3AJ010.00
055-2702-0 R70-71 RES, METAL OXIDE, 2.7K, 2W, 5% ECI MOM20J3AK002.70
056-0100-0 R46 RES, CERAMIC WW, 1.0, 5W, 10% ECI WWC50J3AJ001.00
059-1000-0 R17 R39 RES,MF,FUSE, 10.0, 1/4W,1% JUKN.OHM FR25-10.0
059-1002-0 R20 R31 R50 RES,MF,FUSE, 1.00K,1/4W,1% JUKN.OHM FR25-1.00K
059-4750-0 R26 R33 RES,MF,FUSE, 47.5, 1/4W,1% JUKN.OHM FR25-47.5
059-6810-0 R61 RES,MF,FUSE, 68.1, 1/4W,1% JUKN.OHM FR25-68.1
060-1001-0 R72 RES, METAL FILM, 100, 1/8W, 1% ECI M1F1AJ100.00
060-1002-0 R3,7,8,13,19,30,38,49 RES,METAL FILM, 1.00K, 1/8W, 1% ECI M1F1AK001.00
R75 R78
060-1003-0 R40-41 RES,METAL FILM, 10.0K, 1/8W,1% ECI M1F1AK010.00
060-1004-0 R36 R44 RES,METAL FILM, 100K, 1/8W, 1% ECI M1F1AK100.00
060-1213-0 R9 R18 RES,METAL FILM, 12.1K OHM, 1/8W, 1% ECI M1F1AK012.10
060-1821-0 R11 R14 R27 RES,METAL FILM, 182, 1/8W, 1% ECI M1F1AJ182.00

6250A BOM-4/21/2004-Rev B
Costed Bill Of Material
700RB-II Power Amp 206-0250-A
Part No. Reference Description Manufacturer Mfr. Part No.
060-2001-0 R21 RES,METAL FILM, 200, 1/8W, 1% ECI M1F1AJ200.00
060-2002-0 R15-16 R22 R24 RES,METAL FILM, 2.00K, 1/8W, 1% ECI M1F1AK002.00
060-2003-0 R4-6 RES,METAL FILM, 20.0K, 1/8W, 1% ECI M1F1AK020.00
060-2004-0 R23 RES,METAL FILM, 200K, 1/8W, 1% ECI M1F1AK200.00
060-2431-0 R73 R77 RES,METAL FILM, 243, 1/8W, 1% ECI M1F1AJ243.00
060-2432-0 R32 RES,METAL FILM, 2.43K, 1/8W, 1% ECI M1F1AK002.43
060-2742-0 R74 R76 RES,METAL FILM, 2.74K, 1/8W, 1% ECI M1F1AK002.74
060-3922-0 R29 RES,METAL FILM, 3.92K, 1/8W, 1% ECI M1F1AK003.92
060-4323-0 R10 RES,METAL FILM, 43.2K, 1/8W, 1% ECI M1F1AK043.20
060-4751-0 R51,54,57,62,65,69 RES,METAL FILM, 475, 1/8W, 1% ECI M1F1AJ475.00
060-4752-0 R42 RES,METAL FILM, 4.75K, 1/8W, 1% ECI M1F1AK004.75
060-4753-0 R2 R34 RES,METAL FILM, 47.5K, 1/8W, 1% ECI M1F1AK047.50
060-5621-0 R12 RES,METAL FILM, 562, 1/8W, 1% ECI M1F1AJ562.00
060-7501-0 R37 RES,METAL FILM, 750, 1/8W, 1% ECI M1F1AJ750.00
070-0520-0 R28 POT,500B TRIM, 200mW SONG HUEI SH-655MCL-500B
081-0032-0 L1 INDUCTOR .4UH/1 OHM 2W RESISTOR SCHONBERG 081-0032-0
081-0055-0 L2 INDUCTOR,2UH,20A,AIR CORE SCHONBERG 081-0055-0
091-0013-0 F1 FUSE,5mm,T6.3AL,250V,SEMKO LITTLE FUSE 218-06.3
091-1002-0 S1 THRM BRKR, 105C +/-5,0-DIFF, PC KLIXON 7AM-028-A5
092-0001-0 J10 CON, IECX3, 10A, 250V, PC TERM DIHTAIN DTS-0045
092-0066-0 J12-19 J21-23 FASTON, M, PC, .250" KEYSTONE 1021
092-0070-0 J1-2 JACK, SPEAKON, PC SWITCHCRAFT HPCP41RA
092-0082-0 J6-7 JACK,1/4",MONO,PC, GROUNDING NEUTRIK S102-84G
093-0025-0 J5 J9 HDR,.1X2,VERT,MALE,LOCK,GOLD AMP 641126-2
093-0051-0 J3-4 HDR, 2MMX2, VERT, LOCK JST B2B-PH-K-S
093-1010-0 J20 HDR,.156X7,VERT,MALE,LOCK,SQUARE MOLEX 26-60-4070
093-2005-0 J8 HDR, 2MMX7, VERT, SHROUDED JST B7B-PH-K-S
094-0004-0 J11 FUSE CLIP, 5MM, 15A, P.C. MOUSER 44FH052
145-0250-A BOARD 700RB-II POWER AMP

086-0000-0 FAN, 24VDC, 160MA, 80X80MM ADDA 08-24-HB-A70GL
093-0506-0 HSG, .1X2, LOCKING, CRIMP 093-0909 MOLEX 22-01-3027
093-0909-0 TERM, CRIMP, .1, 22GA MOLEX 08-50-0113
095-0006-0 HEAT SHRINK 3/16"
104-0003-0 INDUCTOR SPACER,NYLON,#4X.2X.2D
105-0014-0 INSULATOR TAPE 4"X7MIL THERMALOY SILPAD 400AC
111-7017-0 REG, LM35,LM3886 WASHER, SHOULDER,#4 NYLON
117-0097-0 TO-220,LM3886 BOLT,M3X9,M1,PHP/SW/PW,CHROME
117-0127-0 POWER TRAN BOLT,M3X12,M1,PHP/SW/PW,CHROME
117-0357-0 FAN BOLT,M3X35,M1,PHP/SW/PW,CHROME
117-7002-1 FAN WASHER,M3,PLAIN, CHROME
132-0024-F1 HEATSINK 700RB HEATSINK
153-0105-0 LABEL, BLANK,.9"X.25"
202-6000-A CHASSIS GND WIRE ASSY,14GA,GRN/YEL,4",GND

6250A BOM-4/21/2004-Rev B
gallien technology Engineering Change Order

Customer Name: Gallien-Krueger Current Rev #: A0 New ECO Rev #: A1
Model: 700RB-II Distribute To: Page: 1 Of: 1
Assembly Description: 700RB-II power amp board Originator: A.R.V.
206-0250-A Approved by:
Assembly Numbers:
145-0250-A Effective Date: 6/26/2003
Effective Document Update Date Initials
X All in Process X Next Buy Artwork
All in Service Next Production Run Assembly Dwg.
All in Stock Board Artwork
Beginning Serial Number: X BOM
Reason For Change Control Form
X Costing
Horn amp oscillates when approaching full power Fab Drawing
Inspection Proc.
Part Master File
X Schematic
Service Manual
X Test Procedure

Other Affected Assemblies

Continued on ECO Supplement Page
Description Of Change Distribution Date Initials
Accounting
Remove loop compensation R4 (20.0k) and C8 (47pf) Assembly
For boards in production clip out R4. Customer
Layout not updated. X Engineering
X Incoming Q.C.
Planning
X Production Eng.
X Purchasing
Q.A.
Receiving
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

060-2003-0 20.0k 1/8W 1% 1 R4
034-4470-0 47pf 100V 1 C8

ECO FORM REV-I

206-0250 700RB-II POWER AMP, 4/14/2004
6250A1.sch-1 - Tue Aug 05 16:07:25 2003
700RB-II Power Amp 206-0250-A1
Part No. Reference Description Manufacturer Mfr. Part No.
001-2060-0 U2 LM555, TIMER NATIONAL LM555CN
001-3886-0 U1 LM3886 ,68W AUDIO POWER AMP NATIONAL LM3886T
010-0000-0 Q2 2SC3381BL,NPNX2,80V,100MA,2-10M1B TOSHIBA 2SC3281BL
010-0001-0 Q1 Q4-6 Q8 Q21 2SC3478, NPN,180V,100MA,TO-92 NEC 2SC3478-K
010-0003-0 Q11 2SC3502-F,NPN,200V,100MA,TO-126 TOSHIBA 2SC3502
010-0012-0 Q18-19 Q30 MPSAO6, NPN,80V,500MA,TO-92 MOTOROLA MPS-A06
010-0035-0 U3 LM35DT, TEMPERATURE SENSOR, TO-220 NATIONAL LM35DT
010-1002-0 Q9-10 Q20 2SA1376, PNP,180V,100MA,TO-92 NEC 2SA1376-K
010-1003-0 Q14 2SA1380-F,PNP,200V,100MA,TO-126 SANYO/TOSHIBA 2SA1380-F/E
010-1013-0 Q12 Q15 MPSA56 PNP 80V 500MA TO-92 MOTOROLA MPS-A56
012-0002-0 Q13 Q16-17 2SC4793,NPN,200V,1.5A,2-10R1A TOSHIBA 2SC4793
012-0003-0 Q25-27 Q32 Q34-35 2SC5242,NPN,230V,15A,2-16C1A TOSHIBA 2SC5242-O
012-1002-0 Q3 Q7 Q33 2SA1837,PNP,200V,1.5A,2-10R1A TOSHIBA 2SA1837
012-1003-0 Q22-24 Q28-29 Q31 2SA1962,PNP,230V,15A,2-16C1A TOSHIBA 2SA1962
014-0070-0 U5 LM317 NATIONAL LM317
014-1072-0 U4 LM337 NATIONAL LM337
020-0004-0 D13 1N755A, ZENER,7.5V,500MW ,D035 TAITRON 1N755A
020-0036-0 D5 D9 1N747A, ZENER, 3.6V, 5%, 400MW, DO-35 TAITRON 1N747A
020-0050-0 D8 1N751, ZENER,5.1V,10%,400MW,DO-35 NATIONAL 1N751
020-0240-0 D21 1N970B, ZENER, 24V, 5%, 500MW, DO-35 TAITRON 1N970B
020-1000-0 D2-4 D10-11 D14 1N4148, RECT-FAST, 200MA, 100V MOTOROLA 1N4148
020-1022-0 D6-7 BAV20, RECT, 200V, DO-35 NATIONAL BAV20
020-1104-0 D15 SHOTTKY, 1A, 40V, 10NS, DO-41 MOTOROLA 1N5819
020-1120-0 D1 D12 MUR120,RECT-FAST, 1A, 200V, 25NS, 59-04 MOTOROLA MUR120
020-1122-0 D18-20 D22-24 MUR410, RECT-FAST, 4A, 100V