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Sony TA-N1 Service Manual

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TA-N1

SERVICE MANUAL

US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
STEREO POWER AMPLIFIER
MICROFILM
1

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  Summary of Contents for Sony TA-N1

  • Page 1: Service Manual

    TA-N1 SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Australian Model SPECIFICATIONS STEREO POWER AMPLIFIER MICROFILM...
  • Page 2: Table Of Contents

    CND : Canadian model PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE AUS : Australian model FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3: Service Note

    • REPLACING THE POWER TRANSISTOR • SECURING THE GRILL (A) When replacing the power transistors (Q304 to Q313: L-ch, Q404 When securing the grill (A) to the top panel, use the Sony bond to Q413: R-ch), replace all ten together. SC608LV (7-432-912-48). (...
  • Page 4 • NOTE ON ARRANGING WIRES As how the wires in this unit are drawn affect the sound quality, note down the positions of wires before beginning servicing. After repairs, arrange the wires as follows. A : After binding wires, push down. B : Bind avoiding touching the heatsink.
  • Page 5: General

    SECTION 2 This section is extracted from instruction manual. GENERAL...
  • Page 7: Electrical Adjustment

    TA-N1 SECTION 3 SECTION 4 ELECTRICAL ADJUSTMENT DIAGRAMS BIAS CURRENT ADJUSTMENT 4-1. CIRCUIT BOARDS LOCATION • As the voltage changes according to the time the power is sup- plied, adjust correctly according to the following procedure. MAIN L board Connection:...
  • Page 8: Schematic Diagram - Main L Section

    TA-N1 4-2. SCHEMATIC DIAGRAM – MAIN L SECTION – (Page 12) (Page 14) (Page 14) (Page 12) (Page 14)
  • Page 9: Printed Wiring Board - Main L Section

    TA-N1 4-3. PRINTED WIRING BOARD – MAIN L SECTION – • Refer to page 7 for Circuit Boards Location. INPUT PS B AC / PS AC / PS INPUT BOARD BOARD BOARD BOARD BOARD (Page 13) (Page 13) (Page 15)
  • Page 10: Schematic Diagram - Main R Section

    TA-N1 4-4. SCHEMATIC DIAGRAM – MAIN R SECTION – (Page 12) (Page 14) (Page 14) C413 C412 (Page 14) (Page 12)
  • Page 11: Printed Wiring Board - Main R Section

    TA-N1 4-5. PRINTED WIRING BOARD – MAIN R SECTION – • Refer to page 7 for Circuit Boards Location. PS B BOARD (Page 13) (Page 15) (Page 15) (Page 15) (Page 15) AC / PS AC / PS AC / PS...
  • Page 12: Schematic Diagram - Input Section

    TA-N1 4-6. SCHEMATIC DIAGRAM – INPUT SECTION – (Page 8) (Page 14) (Page 14) (Page 8) (Page 14) (Page 10) (Page 10) (Page 14)
  • Page 13: Printed Wiring Board - Input Section

    TA-N1 4-7. PRINTED WIRING BOARD – INPUT SECTION – • Refer to page 7 for Circuit Boards Location. AC / PS BOARD (Page 15) MAIN-R MAIN-L MAIN-L BOARD AC / PS BOARD BOARD BOARD (Page 15) (Page 9) (Page 9)
  • Page 14: Schematic Diagram - Power Section

    TA-N1 4-8. SCHEMATIC DIAGRAM – POWER SECTION – (Page 12) (Page 8) (Page 8) (Page 12) (Page 8) (Page 10) (Page 12) (Page 10) (Page 10) (Page 12)
  • Page 15: Printed Wiring Board - Power Section

    TA-N1 4-9. PRINTED WIRING BOARD – POWER SECTION – • Refer to page 7 for Circuit Boards Location. INPUT PS B MAIN-R MAIN-R BOARD BOARD BOARD BOARD (Page 13) (Page 13) (Page 11) (Page 11) INPUT MAIN-L MAIN-R BOARD PS B...
  • Page 16: Exploded Views

    SECTION 5 EXPLODED VIEWS 5-2. FRONT PANEL SECTION NOTE: The components identified by • The mechanical parts with no reference number in • Items marked “*” are not stocked since they are mark ! or dotted line with mark the exploded views are not supplied. seldom required for routine service.
  • Page 17: Heat Sink Section

    5-3. HEAT SINK SECTION not supplied not supplied Q304 Q305 Q306 Q307 Q308 Q309 Q310 Q311 Q312 Q313 not supplied TH301 Q405 Q406 Q407 Q404 Q408 Q409 Q410 Q411 Q412 not supplied TH401 Q413 not supplied Ref. No. Part No. Description Remark Ref.
  • Page 18: Bottom Plate And Frame Section

    5-4. BOTTOM PLATE AND FRAME SECTION C553 Supplied with C553 Supplied with C552 • Lead wires are not supplied. Supplied with C503 C552 C503 Supplied with C502 not supplied C502 not supplied not supplied The components identified by mark ! Les composants identifiés par une or dotted line with mark ! are critical marque ! sont critiques pour la sécurité.
  • Page 19: Electrical Parts List

    SECTION 6 AC-SW AC/PS ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the parts list • SEMICONDUCTORS The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
  • Page 20 AC/PS INPUT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q801 8-729-018-60 TRANSISTOR 2SD2012-LC R906 1-259-292-11 CARBON 1/2W Q901 8-729-201-53 TRANSISTOR 2SA1015-GR R907 1-259-292-11 CARBON 1/2W Q902 8-729-422-96 TRANSISTOR UN4113-TA R908 1-259-207-21 CARBON 1/4W Q903 8-729-201-53 TRANSISTOR 2SA1015-GR R909 1-249-887-11 CARBON...
  • Page 21 INPUT MAIN-L Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > A-4426-211-A MAIN-L BOARD, COMPLETE (US,CND) ****************************** R101 1-249-995-11 CARBON 1/4W R102 1-249-995-11 CARBON 1/4W A-4426-215-A MAIN-L BOARD, COMPLETE (EXCEPT US, CND) R103 1-249-995-11 CARBON 1/4W ************************************** R104...
  • Page 22 MAIN-L Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < BUS BAR > ! R326 1-205-647-11 CEMENTED 0.22 JWH301 1-569-232-11 BAR, BUS ! R327 1-205-647-11 CEMENTED 0.22 JWH302 1-770-108-11 BAR, BUS 7P ! R328 1-205-647-11 CEMENTED 0.22 * JWH303 1-566-940-11 BUS BAR 6P ! R329...
  • Page 23 MAIN-R Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4426-212-A MAIN-R BOARD, COMPLETE (US,CND) < BUS BAR > ****************************** JWH401 1-569-232-11 BAR, BUS A-4426-216-A MAIN-R BOARD, COMPLETE (EXCEPT US, CND) JWH402 1-770-108-11 BAR, BUS 7P * JWH403 1-566-940-11 BUS BAR 6P ************************************** 3-657-235-00 POINT, TEST <...
  • Page 24 MAIN-R PS-B Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! R425 1-205-647-11 CEMENTED 0.22 C553 1-128-999-11 CAP, ELECT 27000MF 20% ! R426 1-205-647-11 CEMENTED 0.22 C554 1-117-775-31 FILM 0.1uF 250V ! R427 1-205-647-11 CEMENTED 0.22 ! R428 1-205-647-11 CEMENTED 0.22...
  • Page 25 Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************* 1-551-631-22 CORD, POWER (EXCEPT US,CND) 1-551-812-11 CORD, POWER (US,CND) 3-866-957-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH) 3-866-957-21 MANUAL, INSTRUCTION (GERMAN,SPANISH, DUTCH,SWEDISH,ITALIAN,PORTUGUESE)(EXCEPT US,CND) 4-396-077-01 JOINT ************************************************************** ************* HARDWARE LIST ************* 7-682-962-01 SCREW +PSW4X10 7-683-438-04 BOLT, HEXAGON SOCKET 5X16 7-682-561-09 SCREW +B 4X8 7-682-546-09 SCREW +B 3X5...
  • Page 26 TA-N1 Sony Corporation 9-928-913-11 99G0989-1 Home Audio Company Printed in Japan © 1999. 7 Published by Quality Assurance Dept.