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Sony STR-DB925 Service Manual
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Sony STR-DB925 Service Manual

Sony STR-DB925 Service Manual

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All manuals and user guides at all-guides.com
STR-DB925
SERVICE MANUAL
AEP Model
UK Model
Australian Model
Photo: BLACK
SPECIFICATIONS
— Continued on next page —
FM STEREO/FM-AM RECEIVER
MICROFILM
– 1 –

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Summary of Contents for Sony STR-DB925

  • Page 1 All manuals and user guides at all-guides.com STR-DB925 SERVICE MANUAL AEP Model UK Model Australian Model Photo: BLACK SPECIFICATIONS — Continued on next page — FM STEREO/FM-AM RECEIVER MICROFILM – 1 –...

  • Page 2: Digital Section

    All manuals and user guides at all-guides.com – DIGITAL SECTION – WAVEFORMS – DISPLAY SECTION – 4Vp-p 3.2Vp-p 4MHz IC1201 (™ XO 4MHz IC102 *™ XO 3.6Vp-p 4Vp-p 24.576MHz IC1101 @¶ X OUT 7.28MHz IC103 !¡ X2 4.8Vp-p – TUNER SECTION – 12.28Vp-p IC1101 @ª...

  • Page 3: Schematic Diagram - Input Section

    All manuals and user guides at all-guides.com STR-DB925 3-3. SCHEMATIC DIAGRAM – INPUT SECTION – • See page 58 for IC Block Diagrams. (Page 53) (Page 41) (Page 45) (Page 45) (Page 45) (Page 38) (Page 38) (Page 21) (Page 29)

  • Page 4: Schematic Diagram - Power Amp Section

    All manuals and user guides at all-guides.com STR-DB925 3-5. SCHEMATIC DIAGRAM – POWER AMP SECTION – (Page 29) (Page 18) (Page 26) (Page 26) (Page 29) (Page 18) (Page 29) (Page 30) (Page 53) – 22 – – 21 –...

  • Page 5: Schematic Diagram - Trans Section

    All manuals and user guides at all-guides.com STR-DB925 3-7. SCHEMATIC DIAGRAM – TRANS SECTION – • See page 58 for IC Block Diagrams. (Page 22) (Page 22) (Page 53) – 25 – – 26 –...

  • Page 6: Schematic Diagram - Rear Amp Section

    All manuals and user guides at all-guides.com STR-DB925 3-9. SCHEMATIC DIAGRAM – REAR AMP SECTION – (Page 18) (Page 21) (Page 18) (Page 21) (Page 51) (Page 22) (Page 22) – 30 – – 29 –...

  • Page 7: Schematic Diagram - Display Section

    All manuals and user guides at all-guides.com STR-DB925 3-11. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 16 for Waveforms. • See page 57 for IC Block Diagrams. • See page 60 for IC Pin Functions. (Page 45) (Page 37)

  • Page 8: Schematic Diagram - Panel Section

    All manuals and user guides at all-guides.com STR-DB925 3-13. SCHEMATIC DIAGRAM – PANEL SECTION – (Page 34) (Page 33) (Page 34) (Page 17) (Page 34) (Page 17) – 38 – – 37 –...

  • Page 9: Schematic Diagram - Back Panel Section

    All manuals and user guides at all-guides.com STR-DB925 3-15. SCHEMATIC DIAGRAM – BACK PANEL SECTION – • See page 16 for Waveforms. • See page 58 for IC Block Diagrams. (Page 42) (Page 33) (Page 41) (Page 46) (Page 17)

  • Page 10: Schematic Diagram - Volume Section

    All manuals and user guides at all-guides.com STR-DB925 3-17. SCHEMATIC DIAGRAM – VOLUME SECTION – (Page 41) (Page 18) (Page 18) (Page 18) (Page 18) (Page 34) – 46 – – 45 –...

  • Page 11: Schematic Diagram - D In/Out Section

    All manuals and user guides at all-guides.com STR-DB925 3-19. SCHEMATIC DIAGRAM – D IN/OUT SECTION – • See page 58 for IC Block Diagrams. (Page 54) – 49 –...

  • Page 12: Schematic Diagram - Digital (1/2) Section

    All manuals and user guides at all-guides.com STR-DB9 3-21. SCHEMATIC DIAGRAM – DIGITAL (1/2) SECTION – • See page 16 for Waveforms. • See page 64, 67 for IC Pin Functions. • See page 55 for Printed Wiring Board. (Page 42) (Page 30) (Page 34) (Page 34)

  • Page 13: Schematic Diagram - Digital (2/2) Section

    All manuals and user guides at all-guides.com STR-DB925 3-22. SCHEMATIC DIAGRAM – DIGITAL (2/2) SECTION – • See page 16 for Waveforms. • See page 59 for IC Block Diagrams (Page 22) (Page 25) (Page 17) (Page 49) – 54 –...

  • Page 14: Ic Block Diagrams

    All manuals and user guides at all-guides.com STR-DB925 IC303 LC7823 3-24. IC BLOCK DIAGRAMS IC901 NJM2103D IC103 BA6208 IC105 MSC1164GS-KR1 MOTOR RESET L COM1 R COM1 SWITCH DRIVE DOUT – + MOTOR SWITCH DRIVE VREF L COM2 R COM2 + –...
  • Page 15 All manuals and user guides at all-guides.com IC1103 AK4526 IC1108 MC74HC00AF SDOS Clock Gen 33 VREFL MCLK OCKS RIN+ RIN- MCLK BICK BICK LIN+ LRCK LRCK 29 LIN- SDTI1 SDTI1 ROUT1 SDTI2 SDTI2 LOUT1 SDTI3 SDTI3 ROUT2 SDTO LOUT2 DAUX ROUT3 SDOUT LOUT3...

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