Sony str w 555 service manual

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Ð 2 Ð Notes on chip component replacement ¥ Never reuse a disconnected chip component. ¥ Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing ¥ Keep the temperature of soldering iron around 270ûC during repairing. ¥ Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). ¥ Be careful not to apply force on the conductor when soldering or unsoldering. 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. MIN MIX MIC 2 MIX MIC 1MAX MALAYSIA MALAYSIA MALAYSIA MALAYSIA JAPAN THAI MALAYSIA MALAYSIA MALAYSIA MALAYSIA MALAYSIA MALAYSIA JAPAN LABEL MODEL NUMBER No.PTY button PRODUCT COUNTRY MODEL POWER CORD JACK (MIC2) (Refer to Fig 3) NOT USED USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED USED4-210-483-0¹ 4-210-483-0¹ 4-210-481-0¹ 4-210-481-0¹ 4-210-482-0¹ 4-210-482-1¹ 4-210-479-0¹ 4-210-480-0¹ 4-210-483-1¹ 4-210-479-0¹ 4-210-492-1¹ 4-210-481-0¹ LABEL MODEL NUMBER (Refer to Fig 1)PTY button (Refer to Fig 2) AEP East European ,CIS Saudi Arabia ,Taiwan NOT USED NOT USED 4-210-479-0¹ Singapore ,Malaysia Saudi Arabia Thai Israel Argentine Australian UK E Chinese Fig 1. Fig 2. Fig 3. Tourist Jack (MIC 2)

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Ð 3 Ð TABLE OF CONTENTS 1. GENERAL ........................................................................... 4 2. DISASSEMBLY ¥ Sliding Panel Assembly ...................................................... 5 3. SERVICE MODE .............................................................. 6 4. ELECTRICAL ADJUSTMENT ................................... 11 5. DIAGRAMS 5-1. Circuit Boards Location ...................................................... 12 5-2. Block Diagrams ¥ Tuner Section (AEP, UK model) ..................................... 13 ¥ Tuner Section (East European, CIS model) ..................... 15 ¥ Main Section .................................................................... 17 ¥ Power Section .................................................................. 19 5-3. Schematic Diagram ÐTuner (AEP, UK model) Section Ð .................................... 23 5-4. Printed Wiring Board ÐTuner (AEP, UK model) Section Ð .................................... 25 5-5. Printed Wiring Board ÐTuner (East European, CIS model) Section Ð ................... 26 5-6. Schematic Diagram ÐTuner (East European, CIS model) Section Ð ................... 27 5-7. Printed Wiring Board Ð Main Section Ð .............................. 29 5-8. Schematic Diagram Ð Main (1/2) Section Ð ........................ 31 5-9. Schematic Diagram Ð Main (2/2) Section Ð ........................ 33 5-10. Schematic Diagram Ð AV/Mic Section Ð .......................... 35 5-11. Printed Wiring Board Ð AV/Mic Section Ð ....................... 36 5-12. Schematic Diagram Ð Power Amp Section Ð ................... 37 5-13. Printed Wiring Board Ð Power Amp Section Ð ................. 39 5-14. Schematic Diagram Ð Display Section Ð .......................... 41 5-15. Printed Wiring Board Ð Display Amp Section Ð .............. 43 5-16. Schematic Diagram Ð Sliding Panel Section Ð ................. 45 5-17. Printed Wiring Board Ð Sliding Panel Section Ð .............. 47 5-18. Printed Wiring Board Ð Trans Section Ð ........................... 49 5-19. Schematic Diagram Ð Trans Section Ð ............................. 51 5-20. IC Block Diagrams ........................................................... 52 5-21. IC Pin Function ................................................................ 56 6. EXPLODED VIEWS 6-1. Case and Sliding Panel Section ........................................... 59 6-2. Front Panel Section ............................................................. 60 6-3. Slide Mechanism Section .................................................... 61 6-4. Circuit Boards and Back Panel Section .............................. 62 7. ELECTRICAL PARTS LIST ........................................ 63