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TOP AND BOTTOM VIEW OF P.C. BOARD

5

4

D201-209,

2058304100

DIODE IN4148

1N 4148

D214,
D301-309,
D314
D210-211,

2058322100

DIODE 1SS145 ROHM

ISS 145

D310-311
D212-213,

2058100110

DIODE PS2010 PYUNG CHANG

PS 2010

D312-313
IC102

2118050410

IC TA7317P TOSHIBA

TA 7317P

J201, J301

4408194903

PIN HEADER 3P

PIN 3P

L201, L301

2648099940

COIL INDUCTOR 1.2UM

1.2uH

PO201, PO301 2438007994

POSISTOR PTH 59F04 BE 471TS

BE471TS

PO303

2438007993

POSISTOR PTH 9M04 BE 222TS 2F

BE222TS

PO304

2438007995

POSISTOR PTH 9M04 BH 471TS 2F

BE471TS

Q101,

2008606108-T

TR NPN KTC2240BL (KTC 3200BL)

KTC 2240BL

Q204-205,
Q209,
Q304-305,
Q309
Q201, Q210, 2008206104-T

TR PNP KTA 1268BL

KTA 1268BL

Q217-218,
Q301, Q310,
Q317-318
Q202-203,

2008206106-T

TR PNP KTA2400G KEC

KTA 2400G

Q302-303
Q206, Q306 2008005999

TR PNP 2SA 1546 NEC

2SA 1546

Q207, Q307 2008405999

TR NPN 2SC4001 NEC

2SC 4001

Q208, Q308 2008400960

TR NPN 2SC 1567A-R MATSUSHITA

2SC 1567A

Q211, Q311 2028407990

TR NPN 2SC 3298A (Y), KTC4370A (Y)

2SC 3298A

Q212, Q312 2028107984

TR PNP 2SA 1306A (Y), KTA1659A (Y)

2SA 1306A

Q213, Q215, 2028427998

TR 2SC 3856 W/ACC

2SC 3856

Q313, Q315,
Q214, Q215, 2028117994

TR PNP 2SA 1492 W/ACC

2SA 1492

Q314, Q316
R110, R114

3009822973

RES CF 8.2K 1/5W J N

8.2K

R111,

3009104973

RES CF 100K 1/5W J N

100K

R352-353
R112, R202, 3009473973

RES CF 47K 1/5W J N

47K

R210-212,
R302,
R310-312
R113

3009682973

RES CF 6.8K 1/5W J N

6.8K

R115-116,

3009223973

RES CF 22K 1/5W J N

22K

R255-256,
R268, R271,
R273,
R365-366,
R368,
R371, R373
R201, R301

3009271973

RES CF 270 1/5W J N

270

R203, R303

3003120953

RES CF 1.2K 1/5W FN

1.2K 1%

R204,

3009561973

RES CF 560 1/5W J N

560

R208-209,
R304,
R308-309
R205, R305

3009123973

RES CF 12K 1/5W J N

12K

R206, R306, 3009102973

RES CF 1K 1/5W J N

1K

R623
R207, R307

3009121973

RES CF 120 1/5W J N

120

R213, R313

3009100973

RES CF 10 1/5W J N

10

R214-215,

3089820275

RES NFR 82 1/4W J R PHILKO

FR 82

R314-315
R216, R316

3009182973

RES CF 1.8K 1/5W J N

1.8K

R217, R317

3009471973

RES CF 470 1/5W J N

470

R218-219,

3002220953

RES CF 22K 1/5W F N

22K 1%

R318-319
R220-221,

3089100275

RES NFR 10 1/4W J R PHILKO

FR 10

R320-321
R222-223,

3089221275

RES NFR 220 1/4W J R PHILKO

FR 220

R226-229,
R322-323,
R326-329
R224-225,

3009333973

RES CF 33K 1/5W J N

33K

R324-325
R230-231,

3089332275

RES NFR 3.3K 1/4W J R PHILKO

FR 3.3K

R330-331

Ref No.

Part No.

Value

Description

R232-233,

3089479275

RES NFR 4.7 1/4W J R PHILKO

FR 4.7

R238-239,
R332-333,
R338-339
R234-235,

3079101275

RES ERD-2FCVG 101T 1/4W R

FR 100

R240-241,
R334-335,
R340-341
R236-237,

3049478783

RES CE 0.47 5W J T HAN NAE

0.47 5W

R242-243,
R336-337,
R342-343
R250, R350

3039479575-T

RES MO 4.7 2W J RADIAL

4.7/2W

R251, R351

3039100575-T

RES MO 10 2W JR

10 2W

R258, R358

3009224973

RES CF 220K 1/5W J N

220K

R269, R369

3009103973

RES CF 10K 1/5W J N

10K

R270, R272, 3009221973

RES CF 220 1/5W J N

220

R370, R372
R275, R357

3009683973

RES CF 68K 1/5W J N

68K

R354

3009184973

RES CF 180K 1/5W J N

180K

RL201

5528009950

RELAY CR 323 DC24V

CR323

SP1-4

4438090210

TERMINAL BINDING POST 2P

BINDING POST

VR201,

3248347110

RES SEMI RH 470 SIDE ADJ

470B

VR301

Ref No.

Part No.

Value

Description

Summary of Contents for QD-4960

Page 1: ...SERVICE MANUAL Q U A D AMPLIFIER QD 4960 http www inter m com MADE IN KOREA NO 9007979200 ...

Page 2: ...s Mechanical Parts List 13 14 Ass y Drawing 15 16 CONTENTS IDLE CURRENT A Setting Set the master volume minimum B Connection C Adjustment Adjust VR301 so that the current through the R237 R236 R342 R343 become 10 milliampere When that voltage across the TP1 to TP2 becomes 10 millivolt the current becomes 10 milliampere ELECTRICAL ADJUSTMENT PROCEDURE TP1 TP2 R237 R342 R236 R343 VR201 VR301 AMP B D...

Page 3: ...AP AF RSG 100UF 50V 8P 100 50 C424 425 3409247071 T CAP AF RSG 47UF 50V 6P 47 50 CN301 302 4355923806 CONNECTOR WAFER 06P J ST CN 6P CN401 402 4428595003 LW5267 LWB0640 2 5MM 03P CN 3P CN405 CN403 4428595009 LW5267 LWB0640 2 5MM 09P 7 D401 405 2058100996 DIODE RECTIFIER LT1N4006 4007 1N 4006 D407 D406 2058502240 DIODE ZENER UZ 24BM 23 1 25 5 UZ 24BM F6 5568224433 CIRCUIT BREAKER 20A UL CSA 20A UL ...

Page 4: ...365 366 R368 R371 R373 R201 R301 3009271973 RES CF 270 1 5W J N 270 R203 R303 3003120953 RES CF 1 2K 1 5W FN 1 2K 1 R204 3009561973 RES CF 560 1 5W J N 560 R208 209 R304 R308 309 R205 R305 3009123973 RES CF 12K 1 5W J N 12K R206 R306 3009102973 RES CF 1K 1 5W J N 1K R623 R207 R307 3009121973 RES CF 120 1 5W J N 120 R213 R313 3009100973 RES CF 10 1 5W J N 10 R214 215 3089820275 RES NFR 82 1 4W J R ...

Page 5: ...WIRING DIAGRAM 6 7 ...

Page 6: ...8 BLOCK DIAGRAM ...

Page 7: ...9 10 SCHEHATIC DIAGRAM ...

Page 8: ...11 12 ...

Page 9: ...7 9 10 13 12 14 16 15 17 FAN POWER TRANS AC INLET CIRCUIT BREAKER KNOB CONTROL KNOB SLIDE 19 20 22 23 25 QX 4960 QD 4960 1 Q TY 1 1 2 1 REMARK PART NAME PART NUMBER Q TY REMARK 2 1 1 2 2 4 4 1 4 4 4 2 2 2 4 1 2 1 1 1 1 4 1 1 8095996930 8095996720 8095996520 8095997010 8095997110 8109340083 8009140083 8109330063 8009130064 25 NO WASHER SPRING NUT M10B FOOT FOOT FELT 27 26 28 DOT SCREW BM 3X8B SCREW...

Page 10: ...15 16 ASS Y DRAWING ...

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