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YORKVILLE ap4020 ys4020, Service Manual

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YORKVILLE ap4020 ys4020 Service Manual Download Page 3

AP

4020

 Parts List 9/24/2007

YS #

Description

Qty. YS #

Description

Qty.

YS #

Description

Qty.

YS #

Description

Qty.

5906

RED    3MM LED 1V9 20MA.4SPCER T&R

3 2448

15.00 AMP CIRCUIT BREAKER

1

4980

1/4W 470R    5%MINI         T&R RES

9

8832

6-32 X 1/4 PAN PH TAPTITE JS500

1

5908

GRN    3MM LED 1V9 20MA.4SPCER T&R

3 3820

___4UH COIL  14AWG ZOBEL HORIZONTAL

2

4891

1/4W 620R    5%             T&R RES

2

8801

6-32 X 3/8 PAN PH TAPTITE JS500

4

6419

BRIDGE 35A 400V WIRE LEAD GI3504

2 3485

CLIP 250X032    18-22AWG RIGHT ANGL

4

4823

1/4W   1K    5%             T&R RES

2

8829

6-32 X 3/8 FLAT PH TAPTITE BO#C HEA

18

6425

BAV21     200V  0A25 DIODE      T&R

4 3486

CLIP 250X032 22-18AWG DISCO-LOK

14

4981

1/4W   1K    5%MINI         T&R RES

12

8761

6-32 X 1/2 PAN PHIL MS ZINC CLEAR

64

6438

1N4007   1000V  1A0  DIODE      T&R

11 3489

CLIP 250X032  18-22AWG DISCO/INSL

4

4854

1/4W   1K2   5%             T&R RES

1

8837

6-32 X 1/2 ROUND PH MS JS500

2

6825

1N4148     75V  0A45 DIODE      T&R

51 3490

CLIP 250X032  14-16AWG DISCO/INSL

4

4718

5.0W   1K5   5%             BLK RES

4

8796

6-32 X 5/8 PAN PH TAPTITE ZINC

2

6934

MR854     400V  3A0  DIODE FASREC

20 3601

RING TERMINAL 16AWG WIRE & #8 SCREW

1

4988

1/4W   1K5   5%MINI         T&R RES

6

8830

6-32 X 7/8 PAN PH MS JS500

2

6429

1N4747A   20V0  1W0  ZENER 5%   T&R

1 3682

250 MALE PCB TAB REEL

36

4791

1/4W   1K54  1%             T&T RES

4

8869

8-18 X 1/2 THRD CUTTING FOR PLASTIC

4

6432

1N5248B   18V0  0W5  ZENER 5%   T&R

2 3788

QUICKON MALETAB

1

4683

1.0W   1K8   5%             T&R RES

2

8999

8-32 X 5/8 PAN PH TAPTITE JS500

17

6433

1N5257B   33V0  0W5  ZENER 5%   T&R

3 3410

RED ON LEFT  DUAL BINDING POST TPP5

1

4808

1/4W   2K    5%             T&R RES

6

8719

8-32 X 3/4 FILLISTER PHIL MS JS500

2

6439

1N5225B    3V0  0W5  ZENER 5%   T&R

6 3415

RED ON RIGHT DUAL BINDING POST TPP5

1

4847

1/4W   2K2   5%             T&R RES

2

8815

8-32 X 3/4 PAN PH TAPTITE JS500

5

6440

1N750ARL   4V7  0W5  ZENER 5%   T&R

5 3918

1/4" JCK PCB MT HORZ SLIM  W/SCREW

2

6124

1/4W   3K    5%MINI         T&R RES

6

8809

10-32 X 1/4 PAN PH TAPTITE JS500

4

6450

1N5242B   12V0  0W5  ZENER 5%   T&R

2 3628

SPKON 4C PCB MT VERT 250TAB GRY #4

2

4826

1/4W   3K3   5%             T&R RES

4

8731

10-16 X 5/8 TYPE B HEX W/SLOT JS500

12

6463

1N5251BRL 22V0  0W5  ZENER 5%   T&R

1 3417

6-32 SCREW TERMINAL PC MNT SNAP-IN

1

4774

1/4W   4K12  1%             T&R RES

2

8740

5/16-18 X 3 GRD 5 HEX BOLT JS500

1

6465

1N5250B   20V0  0W5  ZENER 5%   T&R

2 3657

XLR FEML PCB MT HORZ NO SHELL

2

4827

1/4W   4K7   5%             T&R RES

2

3570

14 PIN SCKT CLOSED FRAME DIP ONLY

1

6486

1N5244B   14V0  0W5  ZENER 5%   T&R

2 3451

EYELET   SMALL  0.089 OD   PLATED

70

4982

1/4W   4K7   5%MINI         T&R RES

12

8663

11/64 NYLON SPACER (MICRO PLASTIC)

66

6822

1N4745A   16V0  1W0  ZENER 5%   T&R

4 7584

SQUARE-CUT O RING FOR AP AIR FILTER

1

4887

1/4W   7K5   5%             T&R RES

5

8629

10-32 X 1/4 SPACER PHENOLIC

8

6824

1N5246B   16V0  0W5  ZENER 5%   T&R

2 8432

AP SERIES AIR GRILL BLACK PLASTIC

1

4663

1/2W   8K2   5%             T&R RES

2

3751

SNAP IN 5/16 SPACER RICHCO

3

5101

BC550C       TO92  NPN TRAN T&R  TB

14 3860

FAN  80MM X 80MM  40CFM 12VDC

1

4990

1/4W   8K2   5%MINI         T&R RES

2

3743

SNAP ON 0.5" SPACER RICHCO

10

5102

BC560C       TO92  PNP TRAN T&R  TB

14 8434

AP SERIES PLASTIC HANDLE PAIR

1

4762

1/4W   9K760   0.1% ***     T&R RES

8

3859

1/2 PLASTIC HEX SPACER #4

2

5103

MPSA06       TO92  NPN TRAN T&R  TA

3 3894

AAVID 5972-B H/S W/TAB B.O.

8

4629

1/2W  10K    5%             T&R RES

8

8657

6-32 X 3/8" HEX SPACER ALUMINUM

2

5105

MPSA13       TO92  NPN DARL T&R  TA

1 3501

B52200F006 COMP WASH #4 SMALL

23

4800

1/4W  10K0   1%             T&R RES

4

8667

SHOULDER WASHER SWS-229 LENGTH 1/8

4

5106

MPSA63       TO92  PNP DARL T&R  TA

1 3552

NYLON SPRING CLAMP

1

4829

1/4W  10K    5%             T&R RES

2

8818

3/4 OD X 3/8 ID X .080 THICK WASHER

2

5107

2N5551       TO92  NPN TRAN T&R  TA

2 3803

NYLON SECUR-A-TACH MINI PLASTIC TIE

1

4983

1/4W  10K    5%MINI         T&R RES

7

3511

#6 FLAT WASHER NYLON

2

5108

2N5401       TO92  PNP TRAN T&R  TA

4 3810

4" NYLON CABLE TIE

10

6116

1/4W  10K0   1%MINI MF      T&R RES

12

8850

#10 INT TOOTH LOCKWASHER BO

4

6854

2N6517       TO92  NPN TRAN      TA

2 3827

SQUARE BUMPER BUTTON BLACK

11

4856

1/4W  12K    5%             T&R RES

4

3502

NYLON FLAT WASHER OD.158ID.110H.070

2

6752

MTP10N15L    TO220 NCH MFET      TN

2 8433

KNOB AP SERIES    PLASTIC

2

4901

1/4W  13K    5%             T&R RES

4

3436

DPDT PUSH SW PCMT H BREAK B4 MAKE

3

6814

MJF6668      T221D PNP TRAN DARL TJ

1 8661

KNOB BUTTON       FLAT GREY

3

5008

1/4W  14K7   1%             T&R RES

1

3587

DPDT ROKR SW QUIK 250"AC/PWR ON-OFF

1

6815

MJF6388      T221D NPN TRAN DARL TJ

2 8437

FAN FILTER LABEL

1

4830

1/4W  15K    5%             T&R RES

4

3705

4P3T SLID SW PCMT H

1

6873

MJE340       TO126 NPN TRAN      TG

6 3468

8' 3/16 SJT AC LINE CORD  STRIP 17"

1

4979

1/4W  15K    5%MINI         T&R RES

9

CH1196

AP4020                         T'RD

1

6874

MJE350       TO126 PNP TRAN      TG

6 3821

STRAIN RELIEF HEYCO #1200

1

4771

1/4W  17K8   1%             T&R RES

2

6933

MTP23P06     TO220 PCH MFET      TN

2 3638

12 CIR CABLE HOLDER .098

1

6125

1/4W  18K    5%MINI         T&R RES

2

6909

MJ21196      TO3   NPN TRAN      TH

16 3676

8 CIR CABLE HOLDER .098

2

6123

1/4W  20K0   1%MINI MF      T&R RES

2

6910

MJ21195 TO3 PNP TRANSISTOR       TH

16 8701

4-40 KEPS NUT ZINC

20

4832

1/4W  22K    5%             T&R RES

6

7004

2SA2121-0    TO3P  PNP TRAN      TK

2 8793

4-40 HEX NUT ZINC

3

6118

1/4W  22K    5%MINI         T&R RES

1

7005

2SC5949-0 TO3 NPN TRANSISTOR     TK

2 8760

6-32 KEPS NUT TIN PLATED

64

4833

1/4W  27K    5%             T&R RES

1

6745

LM13600N    IC  XCONDUCTANCE AMP

2 8800

6-32 KEPS NUT ZINC

4

4840

1/4W  33K    5%             T&R RES

3

6840

MC33078P    IC  DUAL OP AMP

5 8854

6-32 X 1/4" 0.D. HEX NUT ZINC CLEAR

4

4853

1/4W  39K    5%             T&R RES

4

5190

MBS4992      TO92  8V5 DIAC     T&R

2 8720

#8 SPRING NUT

2

4878

1/4W  43K    5%             T&R RES

2

6489

__5R 20%       THERMISTOR-SURGR NTC

2 8797

5/16-18 KEPS NUT JS500

1

6119

1/4W  47K    5%MINI         T&R RES

5

6517

STM-BTB-600BRG TO220 ??A TRIAC 600V

2 3797

TO-247 THERMO CONDUCTIVE PAD

4

4835

1/4W  56K    5%             T&R RES

4

6880

4N35        OPTO-COUPLER

4 3823

TO-220 THERMO PAD SMALL HOLE

4

6139

1/4W  62K    5%MINI         T&R RES

2

5401

_10P  500V  5%CAP T&R RAD CER.2"NPO

4 3846

TO220 THERMO PAD LARGE HOLE  56359B

4

4836

1/4W  68K    5%             T&R RES

4

5197

220P  100V  2%CAP T&R RAD CER.2"NPO

1 3916

TO3 SIL-PAD REPLACES MICA

32

4838

1/4W 100K    5%             T&R RES

2

5410

100P  100V 10%CAP T&R BEAD      NPO

2 6478

AS35FN-TO92 TEMPERATURE SENSOR

2

6120

1/4W 100K    5%MINI         T&R RES

2

5412

220P  100V 10%CAP T&R BEAD      NPO

13 8432P

LOGO HOT STAMPED ON PLASTIC GRILL

1

4851

1/4W 120K    5%             T&R RES

2

5417

330P   50V 10%CAP T&R BEAD      NPO

2 3580

12 CIR WAFER W/LCK VT 0.1"

1

4790

2.0W 150K    5%10MM BODY    T&R RES

2

5201

470P  100V  5%CAP T&R RAD CER.2"NPO

2 3583

_8 CIR WAFER W/LCK    0.1"

2

4949

1/4W 180K    5% .2"U        T&R RES

4

5206

__1N  400V  5%CAP T&R RAD    .2"FLM

4 4597

22AWG STRAN TC WIR              JMP

25

4886

1/4W 200K    5%             T&R RES

1

5208

__2N2 400V  5%CAP T&R RAD    .2"FLM

6 4599

22AWG SOLID SC WIR          T&R JMP

112

4841

1/4W 220K    5%             T&R RES

2

5273

__1N5 200V  5%CAP T&R RAD CER.2"NPO

2 5299

24AWG SOLID SC WIR          RAD JMP

38

6126

1/4W 220K    5%MINI         T&R RES

6

5426

__2N2  50V 10%CAP T&R BEAD      Y5R

2 4745

5.0W   0R1   5%             BLK RES

12

4843

1/4W 470K    5%             T&R RES

2

5209

__4N7 250V  5%CAP T&R RAD    .2"FLM

2 4749

5.0W   0R15  5%             BLK RES

4

6127

1/4W 470K    5%MINI         T&R RES

2

5210

_22N  100V 10%CAP T&R RAD    .2"FLM

11 2005

1.0W   0R47  5%FLAME PROOF  T&R RES

2

4844

1/4W   1M    5%             T&R RES

1

5272

__6N8 100V  5%CAP T&R RAD    .2"FLM

2 2006

1.0W   1R    5%FLAME PROOF  T&R RES

4

4948

1/4W   1M    5% .2"U        T&R RES

1

5308

_47N   50V 10%CAP T&R BEAD      X7R

2 4677

1/2W   1R    5%             T&R RES

4

4951

1/4W   4M7   5% .2"U        T&R RES

2

5834

_10N  250V 20%CAP BLK RAD POLY  FLM

2 4688

1/2W   2R2   5%             T&R RES

3

6132

1/4W   8M2   5%MINI         T&R RES

2

6435

_22N  275V 20%CAP BLK 'X2' 15MM AC

2 4911

1/4W   2R2   5%             T&R RES

8

4751

1/4W  22M    5%             T&R RES

4

6451

__4N7 250V 20%CAP BLK 'Y'  10MM AC

1 4748

2.0W   3R9   5%                 T&R

2

3618

STAR RING TERMINAL14-16AWG #10SCREW

4

5226

_68N  100V  5%CAP T&R RAD    .2"FLM

4 4733

5.0W   5R6   5%             BLK RES

2

3706

13.0" 8C-26AWG RIB 1 W/LCK HDR 098"

2

5228

100N  100V  5%CAP T&R RAD    .2"FLM

3 2037

1/4W  10R    FUSIBLE        T&R RES

8

3740

15.0"12C-26AWG RIB 1 W/LCK HDR 098"

1

5229

150N   63V 10%CAP T&R RAD    .2"FLM

4 4605

1/8W  10R    5%             T&R RES

1

3604

21" 14C-28AWG DIP HDR CABLE   .05"

1

5231

220N   63V 10%CAP T&R RAD    .2"FLM

2 4875

1/4W  10R    5%             T&R RES

2

3700

RELAY  2C 01AMP DC24 015MA PC-S

1

5234

470N   63V 10%CAP T&R RAD    .2"FLM

4 4930

1/4W  10R    5% .2"U        T&R RES

1

3721

RELAY  1A 16AMP DC24 022MA PC-C

1

5314

100N   50V 10%CAP T&R BEAD      X7R

4 2039

1/4W  22R0   FUSIBLE        T&R RES

2

9005

20GA COLD ROLLED STEEL 4'X8' SHEET

3.18

5882

220N 250VDC 10%CAP BLK RAD POLY FLM

4 2016

1/8W  39R    2%FLAME PROOF  T&R RES

2

9012

12GA COLD ROLLED STEEL 4'X8' SHEET

1.76

5255

__1U   63V 20%CAP T&R RAD    .2"EL

3 2041

1/4W  39R0   FUSIBLE        T&R RES

14

9020

18GA COLD ROLLED STEEL 4'X8' SHEET

6.9

5259

__4U7  63V 20%CAP T&R RAD    .2"EL

6 4899

1/4W  39R    5%             T&R RES

6

9070

18GA ELECTRO GALV STEEL 4'X8' SHEET

0.48

5260

_22U   50V 20%CAP T&R RAD    .2"EL

8 4811

1/4W  68R    5%             T&R RES

2

9140

.125" 48X96 UTILITY ALUM SPV 1 SIDE

0.59

5281

_10U   16V 20%CAP T&R RAD    .2"NP

2 2044

1/4W 101R0   FUSIBLE        T&R RES

4

9548

.187" 48X96 UTILITY ALUM SPV 1 SIDE

1.32

5629

_10U  160V 20%CAP BLK 10X13MM   EL

4 4984

1/4W 150R    5%MINI         T&R RES

4

9580

HEATSINK(TAPTREE) AP4020 LGTH 11'6"

2.864

5945

_10U   63V 20%CAP T&R RAD    .2"EL

2 2045

1/4W 151R    FUSIBLE        T&R RES

4

9640

.025" FISHPAPER ( FLAT 48" SHEETS )

3.144

5961

_33U   16V 20%CAP T&R RAD    .2"NP

8 2021

1/4W 200R0   1%FLAME PROOF  T&R RES

6

8870

#4 X 1/4 PAN PH TYPE A ZINC

2

5267

100U   25V 20%CAP T&R RAD    .2"EL

3 2023

1/8W 220R0   1%FLAME PROOF  T&R RES

4

8865

4-40 X 5/16 PAN PH MS JS500

2

5618

470U   25V 20%CAP BLK 10X15MM   EL

1 4857

1/4W 220R    5%             T&R RES

4

8729

#4 X 3/8 FLAT QUAD TYPE A JS500 BLK

4

5621

470U   63V 20%CAP BLK 12X25MM   EL

4 4977

1/4W 220R    5%MINI         T&R RES

7

8742

4-40 X 3/8 PAN PH TAPTITE JS500

2

5630

330U   25V 20%CAP BLK 10X13MM   EL

6 2024

1/8W 249R    2%FLAME PROOF  T&R RES

4

8861

4-40 X 3/8 PAN PH MS JS500

8

5895

6800U  63V 20%CAP BLK 25X50MM

16 4867

1/4W 270R    5%             T&R RES

4

8741

4-40 X 1/2 PAN PH MS JS500

11

4390

_10K      AUD 16MM DETENT       P22

2 4855

1/4W 330R    5%             T&R RES

2

8871

4-40 X 5/8 PAN PH MS JS500

4

4520

_10K               TRIM POT

2 4821

1/4W 470R    5%             T&R RES

4

8799

#6 X 1/4 PAN PH TYPE B  JS500

2

Summary of Contents for ap4020 ys4020

Page 1: ...ayout 4 Service Kit M1146 m1126 5 Power Amp Module AP4020 U S A Yorkville Sound Inc 4625 Witmer Industrial Estate Niagara Falls New York 14305 USA Voice 716 297 2920 Fax 716 297 3689 WORLD HEADQUARTERS CANADA Yorkville Sound 550 Granite Court Pickering Ontario L1W 3Y8 CANADA Voice 905 837 8481 Fax 905 837 8746 Quality and Innovation Since 1963 Printed in Canada WEB www yorkville com MODEL TYPE YS4...

Page 2: ...lacement of the obsolete outlet The AC supply cord should be routed so that it is unlikely that it will be damaged If the AC supply cord is damaged DO NOT OPERATE THE UNIT Unplug this apparatus during lightning storms or when unused for long periods of time Service The unit should be serviced only by qualified service personnel AVIS AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE N ENLEVEZ PAS LE CO...

Page 3: ...6 8701 4 40 KEPS NUT ZINC 20 4832 1 4W 22K 5 T R RES 6 7004 2SA2121 0 TO3P PNP TRAN TK 2 8793 4 40 HEX NUT ZINC 3 6118 1 4W 22K 5 MINI T R RES 1 7005 2SC5949 0 TO3 NPN TRANSISTOR TK 2 8760 6 32 KEPS NUT TIN PLATED 64 4833 1 4W 27K 5 T R RES 1 6745 LM13600N IC XCONDUCTANCE AMP 2 8800 6 32 KEPS NUT ZINC 4 4840 1 4W 33K 5 T R RES 3 6840 MC33078P IC DUAL OP AMP 5 8854 6 32 X 1 4 0 D HEX NUT ZINC CLEAR...

Page 4: ...iting the audio signal at U2 The charging attack and discharging release times of the limiter are 80mS and 3 5 seconds respectively Resistors R50 and R7 provide the charging path and resistor R51 provides the dis charge path The limiter can be defeated by placing the limiter switch S2 in the in position which disconnects Q5 and the charging discharging circuitry from V The activity LED circuit con...

Page 5: ...ction of D19A D20A and D23A The signal at the junction of R61A and R62A drives the succeeding current amplifier Current Amplifier Section The current amplifier receives a high voltage audio signal from the voltage amplifier and provides the current drive necessary to drive speaker cabinets The current amplifier is a two tier complimentary output driver design controlled by a complimentary darlingt...

Page 6: ...uced to about 6 volts measured dri ving an 8 ohm load Zener ZD8 protects the gate source junction of Q11 and also pro vides a supply current path through R29 for the floating battery NOTE The Power supply voltages given are those when the amplifier is not driving a speaker load This will allow yo to check the tier switching with the cover of the amplifi er off and the amplifier therefore running c...

Page 7: ... occurs With the voltage amplifiers now disabled there is no signal driving the output transistors Q13 to Q28 The current limit circuit protecting the output transistors Q13 to Q28 turns off and D204 and or D205 are not forward biased and Q202 turns off Through Q203 and Q201 the relay is turned back on and the voltage amplifiers are now active again dri ving the output transistors If current limit...

Page 8: ...n cables have been cut or pinched through their insulation If the fan is running at full speed at power up this usually indicates a problem with the fan circuitry on the M1127 board but it can also be caused by M1126 cir cuit problems A damaged AS35 temperature sensor located under the M1126 heatsinks can cause erratic fan behavior No output on either or both channels could be caused by intermitte...

Page 9: ...2 4390 10K Channel A R33 1 4W MINI 10K R48 1 4W MINI 10K R30 1 4W MINI 1K TO92 BC560C Q4 5102 R52 1 4W MINI 1K 1 4W 22M R65 1 4W 22M R15 R17 1 4W MINI 4K7 R61 1 8W FLMP 249R 100V C7 100N 100V C6 100N R27 1 4W MINI 47K R136 1 4W 1K2 C2 100V 220P R5 1 4W MINI 8M2 R4 1 4W MINI 470K 1N5225B 3V0 ZD3 0W5 C18 100V 47P C21 63V 220N R41 1 4W MINI 1K R39 1 4W 15K R44 1 4W MINI 1K RED LD6 L Clip 5906 BC560C ...

Page 10: ...K LM13600N 4K7 RED 100N 78K7 14K7 249R 249R 47K 62K 4148 620R 249R 14K7 220R 470R 220P 15K 220P 100K 47K 249R 47P 82K 1K2 BC560C 220R 249R GRN 10K 15K 15K BC560C 22M MPSA63 LM13600N 10K AUD 10K AUD 21in 14C LCLP RCLP LVGND RSIG RREF LREF BRPRTCT ACT RREF LREF V V RSPRE RSIG LIMABLE AP4020 4040 6V00 LSPOST PRTCT V V LSPRE RSPOST M1128 LSPOST R17 R8 X17 R37 X22 X19 R18 R25 LD6 R28 C127 R19 C37 R55 C...

Page 11: ...RIPTION OF CHANGE M1128 DRILL HISTORY AP 4020 3 5 4 2 1 DATE MODEL S VER DESCRIPTION OF CHANGE M1128 PCB_DATABASE_HISTORY AP 4020 OCT 97 1 00 FIRST PRODUCTION APR 17 98 2 00 5664 RIBBON CABLE CONNECTIONS CHANGED FOR PROTECT CIRCUIT DEC 09 98 3 00 PC 5736 TRACES CHANGED POT SUPPORT SCREWS ADDED ...

Page 12: ... 100V S1 B FILTER SW C33 68N 100V C34 68N 100V 1 4W R23 0 1 9K76 C9 220P 100V 4148 D7 U3 A MC33078P 8 V 4 V U4 C 8 V 4 V U3 C MC33078P U4 B C13 100V 100N S T R J4 S T R J3 C15 100N 50V COM M R L MONO STEREO BRIDGED 3705 S3 D 1 4W R6 33K U4 A MC33078P 1 8W R112 10R C16 100N 50V W1 3570 U1 B MC33078P COM M R L 3705 S3 A MONO STEREO BRIDGED 13 10 7 4 1 9 11 12 8 2 3 5 6 VER MODEL S DATE DESCRIPTION O...

Page 13: ...19 10K0 WITH JUMPER X119 PC 6873 REDO SOLDERMASK M1129 Database History CONVERT TO PCAD2002 PC 6944 ROUTE GAUGE PC 6914 ADD TARGETS AUG 15 2005 5 2 6 3 4 1 DATE MODEL S VER DESCRIPTION OF CHANGE D V N D D D V V V N N N M1129 DRILL HISTORY APR 03 2003 V06 N AUG 15 2005 V07 CONVERT TO PCAD2002 AP2020 AP4020 AP4040 AM1CE LIMITER FILTER SW GND LIFT LINE_IN 3436 3417 3436 3436 6435 3705 9K76 10K0 9K76 ...

Page 14: ...2 2 W35 B 12 R214 8K2 1 2W 1 4W R216 1K 0W5 18V0 ZD208 MJF6668 Q205 4148 D201A 16V 33U C202A D202A 4148 C205 100U 25V C TO 221D MJF6388 B E MJF6668 B E TO 92 BC560C C BC550C 6 W36 F 8 3 W36 C 8 230 VAC 50 Hz LINE BROWN BLACK LEAD TO 245VAC INPUT VOLTAGE FOR 230VAC INPUT VOLTAGE OPERATION TRANSFORMER SHOWN WIRED FOR WHITE WC18 BLUE WC10 WC6 YELLOW WC3 GREY WC14 7 W36 G 8 8 W36 H 8 5 W36 E 8 1 W36 A...

Page 15: ...BC550C RELAY 1A PC C RELAY 2C 12V00 TP9 TP10 X1 X39 R245 ZD211 X23 X5 ZD210 R234 R226 W34 GRN ZD205 X10 W7 RED D202B R204B X21 R202B X17 X26 X25 R2 W32 TRANS PRIM BLACK Q210 R238 R240 R244 C216 R243 D240 W30 WHITE AC C1 W4 YELL R242 W13 BRIDGE W3 YELL W24 BRIDGE W8 RED W26 YEL XFRM CT W2 WHT W1 C210 W6 BLUE 100V W10 BLACK W11 BLACK C207 D201B C214B C202B R203B DUMMY X16 C206 C205 C201A C201B C215 ...

Page 16: ......

Page 17: ...10R MBS4992 Q29 A 1 1_ Function J2 A 3628 SPEAKON 4C 2 2_ Function J1 B 3628 SPEAKON 4C 1 1_ Function J1 A 3628 SPEAKON 4C 1 4W R64A FUSIBLE 101R0 VCC GND OUT AS35FN Q31 1 4W R51A 1K5 BC550C Q17A 1 4W R42A 39K 2N5401 Q13A 1 4W R71 100K D21A 4148 4148 D15A 4148 D16A 1 4W R41A 7K5 1 4W R44A 1K 4148 D19A D20A 4148 1 4W R47A 1K5 1 4W R49A 2K 1 4W R57A FUSIBLE 101R0 1 4W R84 FLMP 200R 1 4W R2 68R 1 4W ...

Page 18: ...U 63V 4 U H 10K 1 2W 1 2W 10K 10K 1 2W MBS4992 10K 1 2W MR854 2K 39R0 4148 47K 3K3 180K 4N35 1R 1 2W 33V0 TO220 Watts IRF630NPBF MR854 MR854 MR854 14V0 BC550C 13K 22U 50V 6800U 63V 63V 6800U 6800U 63V 6800U 63V MJ21195 5 0W 0R1 5 0W 0R1 MJ21195 MJ21196 4148 160V 10U MJE340 BC550C 10U 63V 16V0 6800U 63V 5 0W 0R1 MJ21195 MJ21195 MJ21196 5 0W 0R1 25V 330U BC550C 22N MJ21196 MJ21195 MJ21195 Body MJ211...

Page 19: ...MJE340 MJE350 N C MT1 MT2 MBS4942 MAC224 MJL3281A MJL1302 E C B TO 92 MPSA63 MPSA43 MPSA13 2N5551 MPSA56 2N5401 2N6517 11 8 5 2 12 9 6 13 10 7 3 4 1 MAY 16 03 JAN 24 02 MAY 31 01 8 30 8 10 7 00 PC 6607 C10 C15 C20A 5427 5208 2n2 400V PC 6506 ZD10 ZD11 4V7 3V0 PC 6381 ADD C33 C34 R86 R87 PC 6385 C2 C4 1n 2n2 D D D D SEP 2004 AUG 12 99 V 8 20 V 8 00 6 00 N REDO SOLDERMASK PC 6514 Q13 Q20 6900 6909 Q...

Page 20: ...te for one s lack of electronic capability Before starting look at the board for repair and locate the version number It is very important that you follow the procedure for the appropriate circuit board version number A complimentary service manual for the AP4020 power amplifier is sup plied with this M1146KIT STEP 1 Locate the assembly drawing for the version number printed on the M1146 or M1126 ...

Page 21: ... there is still a damaged part on the board instantly turn ing it on could blow up the board and you would be back where you started Connect the power wires and ground to the power supply Connect a digi tal multimeter to test pins 8 and 9 to measure the bias quiescent current and place a scope probe on the speaker output Be sure to turn the quies cent current trimpot RT1 fully counter clockwise No...

Page 22: ...1146 KIT 1N5242B 1N5242B 6450 6450 M1146 KIT 6854 5113 5114 5260 5260 5102 5102 5102 5102 5102 5101 5101 5101 5101 5101 5101 6444 MAC224 4 4749 0R15 5 WATT 4749 0R15 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 6990 MJL3281A 6989 MJL1302A 6874 6873 MJE350 MJE340 4974 4973 4607 4607 4645 4645 6201 6201 6201 4911 4911 4804 4804 4973 4977 4977 4982 4982 4591 4593 4593 4606 4...

Page 23: ...0K R25 220K R24 1U 10v C8 4K7 R23 D5 350V 2N6517 Q7 2K2 R21 330R R74 2K R73 MT1 MT2 G TRIAC_MAC224 Q30 20K R35A 16v 10u C21 33K R64 10R R65 39R R32 39R R48 1R 0 5W R28 1R 0 5W R44 120v 220n C11 120v 220n C14 20K R40B 3R9 2W R62 150v 10n C19 BP1 BP2 16V 500mW ZD7 MR854 D20 TP4 TP5 TP7 TP6 TP9 TP10 TP1 D9 TP8 18K R70 4uH L1 5R6 5W R63 3 3K3 R68A 47K R205 10u 120v BC550 Q20A BC560 Q21A 3K3 R69A 10K R...

Page 24: ...D30 1N4004 J18 J17 R82 200R Q29 MBS4992 L 1 4uH R33 1R 1W C14 220N 250V 22N D20 MR854 R36 91K ZD10 4V7 WC6 J10 EY3 EY9 R70 18K R67A 10K Q5 MJL3281A ZD11 4V7 R55 220R0 R28 1 2W 1R D15A 4148 R68 22K 0 5W ZD13 33V R40B 20K C30 22N J14 EY2 R69 22K 0 5W R40 1K C19 10N 250V R50 270R R43 470R D17A 4148 C8 1U 63V EY5 D31 1N4004 R80 220R 1 2 R32 39R C 2 9 5896 80V 4700u R39A 7K5 R41A 7K5 R9 249R R38A 56K R...

Page 25: ...M1127 5 00 R E D G R EY G R EY AP4020CE AC WIRING OCT 24 2000 GREEN YELLOW 1196E 680n N L 4 17 17 15 17 WHITE BLACK GREY YELLOW RED RED GREY SHOWN WIRED FOR 230V BROWN BLACK BROWN BLUE ...

Page 26: ...M1127 5 00 R E D G R EY G R EY AP4020CE AC WIRING OCT 24 2000 GREEN YELLOW 1196E 680n N L 4 17 17 15 17 WHITE BLACK GREY YELLOW RED RED GREY SHOWN WIRED FOR 245V BROWN BLACK BLUE BROWN ...

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