Sony SA-WEX200 Service Manual

Text of Sony SA-WEX200 User Guide:

• Sony SA-WEX200, 1 SA-WEX200 ACTIVE SUBWOOFER US Model Canadian Model SPECIFICATION Ver 1.0 2001.09 SA-WEX200 is sub woofer in CMT-EX200. 9-873-267-01 2001I0200-1 © 2001.9 Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production Group Amplifier section For the U.S.model AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 4 ohms loads,from 50 – 150 Hz;rated 30 watts per channel minimum RMS power,with no more than 10%total harmonic distortion from 250 milli watts to rated output. Canadian model: Continuous RMS power output (reference): 30 watts (4 ohms at 55 Hz,10% THD) Speaker system Active sub woofer (magnetically shielded design) Speaker unit 10

• 2 SA-WEX200 TABLE OF CONTENTS 1. GENERAL .......................................................................... 3 2. DIAGRAMS 2-1. Circuit Boards Location ........................................................ 3 2-2. Printed Wiring Board ............................................................ 4 2-3. Schematic Diagram ............................................................... 5

• Sony SA-WEX200, 33 SA-WEX200 SECTION 1 GENERAL SECTION 2 DIAGRAMS For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • C : panel designation. For printed wiring boards. Note: • X : parts extracted from the component side. • b : Pattern from the side which enables seeing. • : B+ Line. • : B– Line. • Voltages are dc with respect to ground under no-signal con- ditions. no mark : Power on • Voltages

• Sony SA-WEX200, 44 SA-WEX200 2-2. PRINTED WIRING BOARD • See page 3 for Circuit Boards Location. 1 8 CN201 1 8 IC201 1 8 IC202 R204 R214 R117 R115 R203 R116 R114 R206 R207 R208 R205 C209 C208 C211 C210 C205 C207 C213 C203 C212 C204 C103 C104 D201 ON/STBY RV202 LEVEL RV201 CUT OFF FREQ FRONT BOARD 11 (11) S201 PHASE 1 11 10 2 L SPEAKER INPUT R TM101 + – + – L SPEAKER OUTPUT R + – + – 1 8 1 2 1 2 1 2 3 1 2 R401 R402 C452 C451 C404 C406 C405 C403 C401C402 1 8 CN201M 1 7 CN302W 1 3 CN501 1 10 CN301W 1 CN203M 1 CN502 T2 F402 – + F401 D401 D404 D403 D451 D455 D454 D453 D452 R451 MAIN BOARD 11

• Sony SA-WEX200, 55 SA-WEX200 2-3. SCHEMATIC DIAGRAM IC202(2/2) IC202(1/2) R208 R207 R205 R206 C204 R214 C203 R204 C212 R203 IC201(2/2) IC201(1/2) C103 C104 C213 R115 R117 R114 R116 D201 CN201 CN201M IC101(2/2) IC101(1/2) R107 R118 R112 D104 D103 D102 D101 R103 R105 R101 R120 R122 R123 R121 R106 R102 TM101 R513 R511 R512 R510 D504 Q505 Q504 R507 R508 R509 Q503 D505 D503 R505 R503 R504 Q502 C507 R502 D502 R501 C502 D501 D455 R451 D454 D451 D452 D453 CN203M CN203 D461 C3 JW1 CN503 JW2 D403 D404 R402 F402 C401 D401 F401 R314 D304 R313 R312 Q304 Q302 Q301 R310 R31

• Sony SA-WEX200, 66 SA-WEX200 3-1. FRONT SECTION SENTION 3 EXPLODED VIEWS The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference num- ber in the exploded views are not supplied. • Accessories and packing materials are given in the last of the electrical parts list. NOTE: • -XX and -X mean standardized parts, so they may have some difference from the original one.

• Sony SA-WEX200, 7 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks SA-WEX200 D502 8-719-981-97 DIODE MTZJ-3.0A D503 8-719-991-33 DIODE 1SS133T-77 D504 8-719-200-82 DIODE 11ES2 < IC > IC101 8-759-261-93 IC NJM4580LD < TRANSISTOR > Q501 8-729-119-78 TRANSISTOR 2SC2785-HFE Q502 8-729-119-78 TRANSISTOR 2SC2785-HFE Q503 8-729-119-78 TRANSISTOR 2SC2785-HFE Q504 8-729-119-76 TRANSISTOR 2SA1175-HFE Q505 8-729-119-78 TRANSISTOR 2SC2785-HFE Q506 8-729-422-57 TRANSISTOR UN4111 Q507 8-729-900-80 TRANSISTOR DTC114ES Q508 8-729-422-57 TRANSISTOR UN4111 < RESISTOR > R101 1-249-429-11 CARBON 10K 5% 1/4W R102 1-249-429-11 CARBON 10K 5% 1/4W R10

• Sony SA-WEX200, 8 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks SA-WEX200 < IC > IC851 8-759-331-41 IC LM3876TF < TRANSISTOR > Q301 8-729-029-86 TRANSISTOR DTC124ESA Q302 8-729-119-78 TRANSISTOR 2SC2785-HFE Q303 8-729-119-78 TRANSISTOR 2SC2785-HFE Q304 8-729-119-78 TRANSISTOR 2SC2785-HFE < RESISTOR > R301 1-249-425-11 CARBON 4.7K 5% 1/4W F R302 1-249-433-11 CARBON 22K 5% 1/4W R303 1-249-419-11 CARBON 1.5K 5% 1/4W F R304 1-249-438-11 CARBON 56K 5% 1/4W R306 1-249-435-11 CARBON 33K 5% 1/4W R307 1-216-353-00 METAL OXIDE 2.2 5% 1W R

• 10 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks SA-WEX200 REVISION HISTORY 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 2001.09 New

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