Sony SA-WP785 Service Manual Download Page 6

6

6

SA-WP785

SA-WP785

1-2. PRINTED WIRING BOARDS — MAIN SECTION —

• 

 :Uses unleaded solder.     

 See page 3 for Circuit Boards Location.

• Semiconductor

Location

Ref. No.

Location

D101

D-4

D102

D-4

D303

C-5

D304

C-5

D305

F-8

D306

C-4

D307

C-4

D308

B-4

D309

B-4

D402

G-12

D504

G-10

D505

F-8

D506

G-8

D801

F-9

D802

F-9

D803

F-10

D804

F-10

D901

J-7

IC202

F-4

IC203

E-3

IC500

G-8

Q102

E-3

Q103

E-5

Q301

C-5

Q302

C-5

Q303

B-5

Q304

B-6

Q305

B-5

Q306

B-6

Q307

A-9

Q308

A-10

Q309

B-9

Q310

A-9

Q311

C-6

Q505

F-9

Q731

C-10

IC500

IC202

IC203

(CHASSIS)

MAIN BOARD

1-869-085-

(POWER)

(11)

11

LED BOARD

6

1

1

1

2

1

2

1

1

5

1

5

2

8

4

5

1

8

4

5

1

8

4

5

E

E

E

E

E

E

E

E

E

B

C

E

B

C

E

E

E

E

E

INPUT CONTROL
BOARD

(AUDIO IN)

(VOL)

SP1

(SPEAKER)

1-869-082- (11)

11

1-869-084- (11)

11

1

A

B

C

D

E

F

G

H

I

J

K

2

3

4

5

6

7

8

9

10

11

12

13

A

POWER TRANS BOARD

CNP401

(Page 8)

JW100

C302

C308

C310

C128

C127

C121

Q103

Q102

R123

R216

C204

C206

G1

R209

R207

R205

R202

R210

R212

R206

R315

C201

D101

R124

C301

R304

R330

R324

C307

Q305

Q304

JW108

JW114

JW115

JW116

R509

JW112

JW111

JW113

R318

R328

R319

R314

JW109

JW110

R329

C313

C309

R301

R308

Q301

D307

D304

D303

D306

C303

R306

D308

D309

R309

JW102

JW101

R310

R323

R322

R321

R320

R507

RY301

R305

C305

C304

R331

R332

R307

JW103

Q303

Q302

C120

D102

R214

R211

C207

R213

C208

JW105

JW104

C210

C212

C211

R217

CN201

C209

C321

CN301

CN601

C203

C322

R208

Q306

Q311

R325

C306

R327

Q309

JW131

JW130

R316

Q310

Q307

R326

C320

JW117

C318

D503

R317

JW107

C319

Q308

C731

JW129

R732

Q731

R731

C403

JW127

JW126

JW133

C404

C407

C408

JW123

JW122

JW121

JW118

JW120

JW119

R311

D305

D506

C507

D505

R508

R601

JW124

R515

R510

C506

C509

R500

JW125

R511

Q505

R501

C504

D801

D804

D802

D803

C409

C510

R513

R512

R404

C410

R403

C508

D504

CN402

C402

C401

D402

JW132

JW134

CNP801

C801

RV801

C601

CN901

D901

J101

Summary of Contents for SA-WP785

Page 1: ...US Australian model SP Singapore model Speaker system Active subwoofer magnetically shielded Speaker unit 200 mm cone type Enclosure type Acoustically loaded bass reflex RMS output 190 W Power requirements Power consumption 80 W Dimensions w h d Approx 270 330 373 mm including front panel Mass Approx 8 3 kg Area code Power requirements AUS 240 V AC 50Hz SP 230 240 V AC 50 60 Hz Input LINE IN input...

Page 2: ...lar size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away ...

Page 3: ...Voltages and dc with respect to ground under no signal conditions no mark Power on Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Signal path F AUDIO Abbreviation AUS Australian model SP Singapore model THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in ea...

Page 4: ...3 A INPUT 4 V 7 B OUTPUT 6 B INPUT 5 B INPUT 8 V IC500 uPC1237C A SWITCH FOR LATCH AUTOMATIC RESET OUTPUT OFFSET DETECTOR OVERLOAD DETECTOR AC OFF DETECTOR FLIP FLOP OUTPUT OFFSET DETECTOR OUTPUT OFFSET DETECTOR 1 LOADOVER 2 DETECT DC 3 RESET 4 OFF AC 6 DRIVER RELAY 5 GND 7 OFF AC 8 VCC ...

Page 5: ...RIVE Q307 Q310 AMP Q731 SWITCH Q102 V REG V Q505 SWITCH IC500 PROTECTION D505 D504 D402 RECT T1 POWER TRANSFORMER D801 D804 RECT RY301 RELAY D901 POWER F901 SP1 SPEAKER Q303 Q305 CURRENT MIRROR Q301 Q311 CURRENT REGULATOR IC202 2 2 AMP S901 POWER Q103 V REG V 6 DRIVER RELAY 4 OFF AC 1 LOAD OVER V B B AC IN Signal Path AUDIO ...

Page 6: ...POWER TRANS BOARD CNP401 Page 8 JW100 C302 C308 C310 C128 C127 C121 Q103 Q102 R123 R216 C204 C206 G1 R209 R207 R205 R202 R210 R212 R206 R315 C201 D101 R124 C301 R304 R330 R324 C307 Q305 Q304 JW108 JW114 JW115 JW116 R509 JW112 JW111 JW113 R318 R328 R319 R314 JW109 JW110 R329 C313 C309 R301 R308 Q301 D307 D304 D303 D306 C303 R306 D308 D309 R309 JW102 JW101 R310 R323 R322 R321 R320 R507 RY301 R305 C3...

Page 7: ... 35V 100 35V 10 50V 1k 47k 220p 10 50V 0 22 47 35V 220p 1k 47k 1k 100k 8 2k 2 2k 560 47k 330 10k 22k 180 330 10k 10k D5SBA204101 180 180 180 12V RELAY 10 50V 220p 220p 180 22k 100k 4 7k 100P 500V NJM4565D NJM4565D NJM4565D NJM4565D 33 1 2k 8 2k 15k 10k 22k 47k 100k 100 10V 22 100V 2200p 2200p 10k 10k 10k 1k 1k 22k 0 22 50V MF 0 022 50V MF 0 68 50V MF 0 1 0 1 47 25V 47 25V 0 022 0 022 100 10V 0 022...

Page 8: ... Location POWER TRANS BOARD SWITCH BOARD 1 869 083 11 11 F901 T1 POWER TRANSFORMER 1 2 1 2 1 2 POWER AC IN A MAIN BOARD CN402 Page 6 1 869 086 11 11 1 A B C D E F G H I J 2 3 4 5 6 7 CN3 CN20 C901 S901 CN1 JW901 JW902 FH903 FH904 CNP401 CN3 CN1 JW1 CN20 FH903 FH904 CNP401 T1 F901 S901 C901 2P 2P 2P 6P 7 POWER TRANSFORMER POWER 0 0047 250V T1AL 250V ...

Page 9: ...1 1 4 11 12 5 8 9 10 10 10 10 not supplied not supplied 1 A 1221 943 A WOOFER RING ASSY 2 4 999 482 91 KNOB VOL 03 1 696 848 81 CORD POWER AUS 03 1 777 071 23 CORD POWER SP 4 A 1237 500 A MAIN BOARD COMPLETE 5 3 905 609 32 SCREW TRANSISTOR 6 4 229 966 12 SCREW 4X16 BV TAPPING 7 3 703 244 00 BUSHING 2104 CORD 8 4 244 832 51 KNOB POWER 9 A 1223 204 A SPEAKER CABINET ASSY 10 4 986 971 12 SCREW 3 5 11...

Page 10: ...6 175 00 FILM 0 68uF 5 50V C209 1 128 813 11 CERAMIC 220PF 5 50V C210 1 127 888 11 CERAMIC 0 1uF 10 50V C211 1 128 813 11 CERAMIC 220PF 5 50V C212 1 127 888 11 CERAMIC 0 1uF 10 50V C301 1 128 813 11 CERAMIC 220PF 5 50V C302 1 126 964 11 ELECT 10uF 20 50V C303 1 104 658 91 ELECT 100uF 20 10V C304 1 128 813 11 CERAMIC 220PF 5 50V C305 1 128 825 11 CERAMIC 2200PF 5 50V C306 1 102 973 00 CERAMIC 100PF...

Page 11: ...RBON 22K 5 1 4W R212 1 249 428 11 CARBON 8 2K 5 1 4W R213 1 249 428 11 CARBON 8 2K 5 1 4W R214 1 247 879 91 CARBON 100K 5 1 4W R216 1 247 831 91 CARBON 1K 5 1 4W R217 1 247 879 91 CARBON 100K 5 1 4W R301 1 247 831 91 CARBON 1K 5 1 4W R304 1 247 871 91 CARBON 47K 5 1 4W R305 1 249 418 11 CARBON 1 2K 5 1 4W R307 1 249 411 11 CARBON 330 5 1 4W R308 1 249 411 11 CARBON 330 5 1 4W R309 1 249 408 11 CAR...

Page 12: ...ITCH 2P CN20 1 695 044 11 PIN CONNECTOR 3 96mm PITCH 2P SWITCH 0S901 1 572 267 51 SWITCH PUSH AC POWER 1 KEY MISCELLANEOUS 03 1 696 848 81 CORD POWER AUS 03 1 777 071 23 CORD POWER SP 0F901 1 532 463 33 FUSE T1AL 250V Q307 6 702 391 01 IC MP1620 OPY MK Q308 6 702 390 01 IC MN2488 OPY MK SP1 1 826 412 11 LOUDSPEAKER 20cm 0T1 1 443 886 21 TRANSFORMER POWER SWITCH ...

Page 13: ...13 SA WP785 MEMO ...

Page 14: ...TORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2007 04 New ...

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