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Service Manual

BACKLINE 112

Table of Contents Operating Instructions.................................xx Schematics .......................................................xx PCB Lay-out......................................................xx Engineering Change Orders(ECOs)......xx Bill Of Materials.................................................xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

6190A1.sch-1 - Fri Oct 03 16:50:29 2003

6190A2.sch-1 - Thu Nov 27 14:19:09 2003

6190A3.sch-1 - Sat Dec 13 12:23:50 2003

6191A.sch-1 - Fri Dec 06 14:51:25 2002

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

Engineering Change Order
Current Rev #: Distribute To: Originator: Approved by: Effective Date:

Gallien-Krueger Backline 112 Backline 112 power amp 206-0190-A
Effective

A

New ECO Rev #: Page:

1

Of:

A1 1

A.R.V. 9/30/2003
Date Initials

Document Update Next Buy Next Production Run Artwork Assembly Dwg. Board Artwork

X X

All in Process All in Service

X X

All in Stock Beginning Serial Number: Reason For Change

X X

BOM Control Form Costing Fab Drawing Inspection Proc. Part Master File

9/30/03 A.R.V.

To prevent R35 and R41 from overheating when the headphone output is not being used. X X X

Schematic Service Manual Test Procedure

9/30/03 A.R.V. Noli

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

Remove C17 and C18. X X X X

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

X X

Service Test Vendor

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

Drawing(s) attached Parts Deleted Qty Ref. Designator

032 4474 0

47uf PE

ap

2

17 and

18

ECO 206-0190 112 power amp.xls, 4/28/2004

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

Engineering Change Order
Current Rev #: Distribute To: Originator: Approved by: Effective Date:

Gallien-Krueger Backline 112 Backline 112 power amp 206-0190-A
Effective

A1 RAG

New ECO Rev #: Page:

1

Of:

A2 1

11/18/2003
Date Initials

Document Update Next Buy Next Production Run Artwork Assembly Dwg.

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

X

X X
Reason For Change

Board Artwork BOM Control Form Costing Fab Drawing Inspection Proc.

Prevent fuse failure due to inrush current at turn on. Expand supply table to include transformer hookup for 220V and 240V.

X

X X

Part Master File Schematic Service Manual Test Procedure

Other Affected Assemblies 303-0190-A, All Voltages
Continued on ECO Supplement Page Description Of Change Distribution Accounting Assembly Date Initials

Add thermistors in serries with each transformer coil. Update schematic and board silkscreen with new supply table.

X X x X

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

Continued on Supplement Page Part Number Description Qty

Drawing(s) attached Parts Added Ref. Designator Qty Parts Deleted Ref. Designator

022-3002-0

THER-NTC 5R5A

2

R51,52

ECO 206-0190 112 power amp.xls, 4/28/2004

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

Engineering Change Order
Current Rev #: Distribute To: Originator: Approved by: Effective Date:

Gallien-Krueger Backline 112 Backline 112 power amp 206-0190-A
Effective

A2 RAG

New ECO Rev #: Page:

1

Of:

A3 1

12/14/2003
Date Initials

Document Update Next Buy Next Production Run Artwork Assembly Dwg.

X

All in Process All in Service

X

All in Stock Beginning Serial Number: Reason For Change

X X X

Board Artwork BOM Control Form Costing Fab Drawing Inspection Proc.

Prevent fuse failure due to inrush current at turn on. An improvement to A2 which was not put into production.

X X

Part Master File Schematic Service Manual Test Procedure

Other Affected Assemblies 303-0190-A, All Voltages
Continued on ECO Supplement Page Description Of Change Distribution Accounting Assembly Date Initials

Add NTC thermistors to the primary side of the transformer. One for 120V and another for 230V. An additional primary terminal is added to accommodate the wireing. For current production a thermistor of the proper value will be added to the bottom of the board. For 220V-240V use NTC-15R/2A. For 100V-120V use NTC-3R/3A.
Continued on Supplement Page Part Number Description Qty Drawing(s) attached Parts Added Ref. Designator

X X x X

Engineering Incoming Q.C. Production Eng. Purchasing Q.A. Service Test Parts Deleted Qty Ref. Designator

022-3010-0 022-3017-0 092-0066-0

THER-NTC 3R3A THER-NTC 15R2A FASTON

1 1 1

R51 R52 T13

ECO 206-0190 112 power amp.xls, 4/28/2004

Bill Of Material
Backline 112 Power Amp Part No. Reference 001-2060-0 U2 010-0000-0 Q12 010-0001-0 Q3 010-0003-0 Q15 010-0012-0 Q1-2 Q8 010-1002-0 Q11 Q14 010-1003-0 Q9 010-1013-0 Q4 Q7 Q13 012-0002-0 Q6 Q10 012-0003-0 Q5 012-1002-0 Q16 012-1003-0 Q17 014-0032-0 U1 014-1003-0 U3 020-0004-0 D6 020-0050-0 D2 020-1000-0 D1 D3-4 D7 020-1104-0 D5 020-2106-0 D8-9 020-5352-0 Z1-2 022-3010-0 R51 022-3017-0 R52 023-0004-0 BR1 031-1107-0 C14 031-1227-0 C9 C12 031-1336-0 C3 C6 031-2105-0 C1 031-2106-0 C10 C16 031-3476-0 C5 C15 031-3478-0 C21 C25 032-3105-0 C24 C26 032-4102-0 C22 C29 032-4103-0 C4 032-4104-0 C2,7,19,20,23,27,28 034-4221-0 C8 034-7103-0 C30 035-8030-0 C13 035-8561-0 C11 052-2212-0 R15 R17 052-4753-0 R10 052-5622-0 R24 R40 055-.100-0 R18 R20 R43-44 055-1001-0 R45 R47 055-8201-0 R46 R48 056-1001-0 R38 R41 059-1000-0 R7 R42 059-1001-0 R13 059-1002-0 R29 R39 059-4750-0 R14 R37 060-1001-0 R25-26 060-1002-0 R9,11,21,31,33,34 060-1003-0 R2 R6 060-1004-0 R3 R8 060-1213-0 R19 R30 060-1821-0 R32 060-2002-0 R23 R28 R50 060-2432-0 R4 060-3013-0 R22 060-3922-0 R27 060-4323-0 R35 R49 060-4752-0 R12 060-4753-0 R1 060-6811-0 R16 060-7501-0 R5 070-0520-0 R36 090-0007-0 S2 206-0190-A3 Description LM555, TIMER 2SC3381BL,NPNX2,80V,100MA,2-10M1B 2SC3478, NPN,180V,100MA,TO-92 2SC3502-F,NPN,200V,100MA,TO-126 MPSAO6, NPN,80V,500MA,TO-92 2SA1376, PNP,180V,100MA,TO-92 2SA1380-F,PNP,200V,100MA,TO-126 MPSA56 PNP 80V 500MA TO-92 2SC4793,NPN,200V,1.5A,2-10R1A 2SC5242,NPN,230V,15A,2-16C1A 2SA1837,PNP,200V,1.5A,2-10R1A 2SA1962,PNP,230V,15A,2-16C1A LM78M15, 15V POS REG 500MA, TO-220 LM79M15, 15V POS REG 500MA, TO-220 1N755A, ZENER,7.5V,500MW ,D035 1N751, ZENER,5.1V,10%,400MW,DO-35 1N4148, RECT-FAST, 200MA, 100V SHOTTKY, 1A, 40V, 10NS, DO-41 1N4004,RECT,1A,400V,DO-41 1N5352B, ZENER, 15V, 5%, 5W, DO-201AE THERMISTOR, NTC, 3 OHMS, 3 AMPS THERMISTOR, NTC, 15 OHMS, 2 AMPS BRIDGE, 8A, 200V, VERT, PC CAP,ELEC,RAD,107,20%,25V CAP ELEC, 220uF,20% ,25V CAP,ELEC,RAD,336,20%,25V CAP,ELEC,RAD, 105, 20%, 50V CAP,ELEC,RAD, 106, 20%, 50V CAP,ELEC,RAD,476,20%,63V CAP,ELEC,RAD,4,700uF, 20%,63V CAP,PE,105,5%,63V, CAP,PE,102,5%,100V, CAP,PE,103,5%,100V, CAP,PE,104,5%,100V, CAP,MCR,220pF,5%,100V, CAP, CERMIC DISK, 103, 10%, X-250V CAP MICA AXIAL , 3pF, 10%, 500V CAP MICA RADIAL, 561, 5%, 300V RES,METAL FILM,2.21k,1/4W,1% RES,METAL FILM,47.5K OHM, 1/4W,1% RES,METAL FILM,5.62K,1/4W,1% RES, CERAMIC, 0.1 Ohm, 2W,5% RES, METAL OXIDE, 100 OHM, 2W, 5% RES, METAL OXIDE, 820 OHM, 2W, 5% RES, METAL OXIDE, 100 OHM, 5W, 5% RES,MF,FUSE,10.0 OHM, 1/4W,1% RES,MF,FUSE,100 OHM, 1/4W,1% RES,MF,FUSE,1.00K,1/4W,1% RES,MF,FUSE,47.5 OHM, 1/4W,1% RES, METAL FILM, 100 OHM, 1/8W, 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, 12.1K OHM, 1/8W, 1% RES,METAL FILM, 182, 1/8W, 1% RES,METAL FILM, 2.00K, 1/8W, 1% RES,METAL FILM, 2.43K, 1/8W, 1% RES,METAL FILM, 30.1K, 1/8W, 1% RES,METAL FILM, 3.92K, 1/8W, 1% RES,METAL FILM, 43.2K, 1/8W, 1% RES,METAL FILM, 4.75K, 1/8W, 1% RES,METAL FILM, 47.5K, 1/8W, 1% RES,METAL FILM, 681 ohm, 1/8W, 1% RES,METAL FILM, 750 OHM, 1/8W, 1% POT,500B TRIM, 200mW SWITCH, 8A/128A,250V,PP,PCB Manufacturer NATIONAL TOSHIBA NEC TOSHIBA MOTOROLA NEC SANYO/TOSHIBA MOTOROLA TOSHIBA TOSHIBA TOSHIBA TOSHIBA NATIONAL NATIONAL TAITRON NATIONAL MOTOROLA MOTOROLA TAITRON TAITRON UEI UEI TAITRON UNITED CHEMI-CON UNITED CHEMICON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON UNITED CHEMI-CON PANASONIC PANASONIC PANASONIC PANASONIC TAITRON PANASONIC CORNELL CORNELL ECI ECI ECI ECI ECI ECI ECI JUKN.OHM JUKN.OHM JUKN.OHM JUKN.OHM ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI ECI SONG HUEI TECX Mfr. Part No. LM555CN 2SC3281BL 2SC3478-K 2SC3502 MPS-A06 2SA1376-K 2SA1380-F/E MPS-A56 2SC4793 2SC5242-O 2SA1837 2SA1962 LM78M15CT LM79M15CT 1N755A 1N751 1N4148 1N5819 1N4004 1N5352B 08SP003M 08SP015M TU802G SMG25VB101M6X11LL SMG25VB221M8X11LL SRG25VB33RM5X7LL C440C105M5U5CA SMG50VB10RM5X11LL SMG63VB47RM6X11LL SMH63VN472M25X40T2 ECQV1J105JM ECQB1102JF ECQV1103JM ECQV1104JM TMRS221J100NPOB ECK-DRS103ZV CD10CD030D03 CD15FC561J103 M2F1AK002.21 M2F1AK047.50 M5F1AK005.62 MOM20J3AJ000.10 MOM20J3AJ100.00 MO20J3AJ820.00 MOM50J3AJ100.00 FR25-10.0 FR25-100 FR25-1.00K FR25-47.5 M1F1AJ100.00 M1F1AK001.00 M1F1AK010.00 M1F1AK100.00 M1F1AK012.10 M1F1AJ182.00 M1F1AK002.00 M1F1AK002.43 M1F1AK030.10 M1F1AK003.92 M1F1AK043.20 M1F1AK004.75 M1F1AK047.50 M1F1AJ681.00 M1F1AJ750.00 SH-655MCL-500B KDC-A04-10-B, B2-F

6190A3 BOM.xls-4/28/2004-Rev B

Costed Bill Of Material
Backline 112 Power Amp Part No. Reference 091-0049-0 F1 091-1002-0 S1 092-0001-0 J9 092-0066-0 J4-8, J10-13, J18 092-0079-0 J16 092-0081-0 J17 092-0082-0 J15 093-0025-0 J1 093-0080-0 J3 093-2002-0 J2 094-0004-0 J14 100-0152-0 H1-2 105-0013-A I1-2 116-0040-0 B4 B9 117-0097-0 B1-3 B5-8 117-0127-0 B10-11 117-6002-0 B12-13 132-0190-A H3 132-0777-C H4 202-6000-A W1 145-0190-A3 206-0190-A3 Description FUSE,5mm,T2AH,250V,SEMKO THRM BRKR, 105C +/-5,0-DIFF, PC CON, IECX3, 10A, 250V, PC TERM FASTON, M, PC, .250" JACK,1/4",STEREO,PC,NON GROUNDING JACK,1/4",MONO,PC,NON GROUNDING JACK,1/4",MONO,PC, GROUNDING HDR,.1X2,VERT,MALE,LOCK,GOLD HDR,.156X3,VERT,MALE,LOCKING HDR,2MMX6,VERT,SHROUDED FUSE CLIP, 5MM, 15A, P.C. HEAT SINK 2W VERTICAL INSULATOR, BACKLINE 112, MICA BOLT,M2x4,M2(TR),PHP,BLACK BOLT,M3x9,M1,PHP/SW,CHROME BOLT,M3x12,M1,PHP/SW,CHROME NUT,M3,HEX,CHROME SINK_BRACKET_BACKLINE 112 SINK BACKLINE 112 WIRE ASY,14GA,GRN/YEL,4",#4 TERM BACKLINE 112 RAW POWER BOARD Manufacturer LITTLE FUSE KLIXON DIHTAIN KEYSTONE NEUTRIK NEUTRIK NEUTRIK AMP MOLEX JST MOUSER WAKEFIELD LIQUAN SCREW LIQUAN SCREW LIQUAN SCREW LIQUAN SCREW 132-0190-A 132-0777-C 202-6000-A Mfr. Part No. 215-002 7AM-028-A5 DTS-0045 1021 S203-84 S102-84 S102-84G 641126-2 26-60-4030 B6B-PH-K-S 44FH052 667-10ABSP & 330SC 105-0013-A

LEOCO

6190A3 BOM.xls-4/28/2004-Rev B