Sony str v 7700 service manual

Page 1

Ñ 2 Ñ Notes on chip component replacement ¥ Never reuse a disconnected chip component. ¥ Notice that the minus side of a tentalum capacitor may be damaged by heat. TABLE OF CONTENTS 1. GENERAL ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááááááááááááááááá 3 2. TEST MODE ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááááááááááááá 5 3. DIAGRAMS ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááááááááááááááá 6 3-1. Circuit Boards Location ááááááááááááááááááááááááááááááááááááááááááááááááááá\ áá 6 3-2. Printed Wiring Board Ñ Panel Section Ñ ááááááááááááááááááááááááá 7 3-3. Schematic Diagram Ñ Panel Section Ñ ááááááááááááááááááááááááááá 9 3-4. Printed Wiring Board Ñ Main Section Ñ ááááááááááááááááááááááá 12 3-5. Schematic Diagram Ñ Main Section Ñ áááááááááááááááááááááááááá 15 3-6. Printed Wiring Board and Schematic Diagram Ñ Amp/Key con Section Ñ áááááááááááááááááááááááááááááááááááááááááááá 19 3-7. Printed Wiring Board and Schematic Diagram Ñ Mic Echo/AV in Section Ñ áááááááááááááááááááááááááááááááááááááááá 23 3-8. Printed Wiring Board and Schematic Diagram Ñ Power Section Ñ ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááá 26 3-9. IC Pin Function ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááááááááááá 29 3-10. IC Block Diagrams ááááááááááááááááááááááááááááááááááááááááááááááááááá\ áááááááá 31 4. EXPLODED VIEWS 4-1. Main Section ááááááááááááááááááááááááááááááááááááááááááááááááááá\ áááááááááááááááááá 33 4-2. Panel Section ááááááááááááááááááááááááááááááááááááááááááááááááááá\ ááááááááááááááááá 34 5. ELECTRICAL PARTS LIST ááááááááááááááááááááááááááááááááááá 35 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. GeneralPower requirements Thai model: 220-240V AC, 50/60 Hz Other models: 110-120V or 220-240V AC, 50/60Hz Adjustable with voltage selector Power consumption 230watts Dimensions (w/h/d) Approx. 280 ´ 205 ´ 336 mm Mass Approx. 7.0kg Design and specifications are subject to change without notice.

Page 2

Ñ 3 Ñ SECTION 1 GENERAL Ñ FRONT PANEL Ñ 12 345678 9!¼!Á !ª !£ !¢ !° !¤ !¦ !¥ !» @¼ @Á @ª @£ @¢ @¦ @°@¤ @¥ @» #¼ #Á #ª #£ #¢ #» $¼ #¤ #¦ #¥ #° 1 KARAOKE PON/MPX button 2 DSP button 3 EFFECT ON/OFF button 4 MUSIC button 5 MOVIE button 6 GAME button 7 P FILE button 8 MEMO button 9 DBFB button !¼ VOLUME !Á GROOVE button !ª TUNER BAND button !£ STEREO/MONO button !¢ FUNCTION button !° MIC LEVEL/ECHO VOL !¤ MIX MIC 1 jack !¦ MIX MIC 2 jack !¥ PHONES jack !» EDIT button @¼ PLAY MODE button @Á 1/ALL DISCS button @ª REPEAT button @£ HIGH FREQ button @¢ ENTER/NEXT button @° MULTI JOG STATION dial @¤ LOW FREQ button @¦ MEMORY button @¥ TUNING MODE button @» FLASH button #¼ LOOP button #Á WAVE button #ª AV INPUT jack #£ CLOCK TIMER SET button #¢ TIMER SELECT button #° KEY CONTROL ÷ button #¤ KEY CONTROL n button #¦ DOLBY PROLOGIC button #¥ C. MODE button #» DISPLAY/DEMO button $¼ POWER button