Read Sony HT-CT770 Service Manual online
HT-CT770
3
1.
SERVICING NOTES
.............................................
4
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 7
2-2. Panel
Top
Block-1
........................................................... 7
2-3. Panel
Top
Block-2
........................................................... 8
2-4. Loudspeaker (6 cm) (L-ch, R-ch) (SP1, SP2) ................. 9
2-5. TW Assy (L-ch, R-ch) (SP3, SP4) .................................. 10
2-6. DISPLAY Board Block ................................................... 11
2-7. DISPLAY
2-5. TW Assy (L-ch, R-ch) (SP3, SP4) .................................. 10
2-6. DISPLAY Board Block ................................................... 11
2-7. DISPLAY
Board
............................................................. 11
2-8. NFC Module (NFC1) ...................................................... 12
2-9. RF Modulator (RF1) ....................................................... 12
2-10. MAIN Board Block-1 ..................................................... 13
2-11. MAIN Board Block-2 ..................................................... 14
2-12. MAIN Board ................................................................... 14
2-13. Connection Cable with Speaker (L-ch, R-ch)
2-9. RF Modulator (RF1) ....................................................... 12
2-10. MAIN Board Block-1 ..................................................... 13
2-11. MAIN Board Block-2 ..................................................... 14
2-12. MAIN Board ................................................................... 14
2-13. Connection Cable with Speaker (L-ch, R-ch)
(SPC1, SPC2) .................................................................. 15
2-14. Power Cord (AC1) .......................................................... 16
2-15. POWER Board ................................................................ 16
2-16. Bracket (Main) Block ..................................................... 17
2-17. HDMI Board ................................................................... 18
2-18. Bracket (Power) Block .................................................... 18
2-19. Bluetooth Module (BT1) ................................................ 19
2-15. POWER Board ................................................................ 16
2-16. Bracket (Main) Block ..................................................... 17
2-17. HDMI Board ................................................................... 18
2-18. Bracket (Power) Block .................................................... 18
2-19. Bluetooth Module (BT1) ................................................ 19
3.
TEST MODE
............................................................ 20
4. TROUBLESHOOTING
.......................................... 25
5. DIAGRAMS
5-1. Block Diagram - HDMI Section - ................................... 26
5-2. Block Diagram - MAIN Section - ................................... 27
5-2. Block Diagram - MAIN Section - ................................... 27
TABLE OF CONTENTS
5-3. Block Diagram - AMP Section - ..................................... 28
5-4. Block
5-4. Block
Diagram
- PANEL/POWER SUPPLY Section - ............................ 29
5-5. Printed Wiring Board - IO Board - ................................. 31
5-6. Schematic Diagram - IO Board - .................................... 31
5-7. Printed Wiring Board - HDMI Board - ........................... 32
5-8. Schematic Diagram - HDMI Board - .............................. 33
5-9. Printed Wiring Board - MAIN Board (Side A) - ............ 34
5-10. Printed Wiring Board - MAIN Board (Side B) - ............ 35
5-11. Schematic Diagram - MAIN Board (1/6) - ..................... 36
5-12. Schematic Diagram - MAIN Board (2/6) - ..................... 37
5-13. Schematic Diagram - MAIN Board (3/6) - ..................... 38
5-14. Schematic Diagram - MAIN Board (4/6) - ..................... 39
5-15. Schematic Diagram - MAIN Board (5/6) - ..................... 40
5-16. Schematic Diagram - MAIN Board (6/6) - ..................... 41
5-17. Printed Wiring Boards - PANEL Section - ..................... 42
5-18. Schematic Diagram - PANEL Section - .......................... 43
5-19. Printed Wiring Board - POWER Board - ........................ 44
5-20. Schematic Diagram - POWER Board - .......................... 45
5-6. Schematic Diagram - IO Board - .................................... 31
5-7. Printed Wiring Board - HDMI Board - ........................... 32
5-8. Schematic Diagram - HDMI Board - .............................. 33
5-9. Printed Wiring Board - MAIN Board (Side A) - ............ 34
5-10. Printed Wiring Board - MAIN Board (Side B) - ............ 35
5-11. Schematic Diagram - MAIN Board (1/6) - ..................... 36
5-12. Schematic Diagram - MAIN Board (2/6) - ..................... 37
5-13. Schematic Diagram - MAIN Board (3/6) - ..................... 38
5-14. Schematic Diagram - MAIN Board (4/6) - ..................... 39
5-15. Schematic Diagram - MAIN Board (5/6) - ..................... 40
5-16. Schematic Diagram - MAIN Board (6/6) - ..................... 41
5-17. Printed Wiring Boards - PANEL Section - ..................... 42
5-18. Schematic Diagram - PANEL Section - .......................... 43
5-19. Printed Wiring Board - POWER Board - ........................ 44
5-20. Schematic Diagram - POWER Board - .......................... 45
6.
EXPLODED VIEWS
6-1. Overall
Section
............................................................... 58
6-2. Top Panel Section ........................................................... 59
6-3. MAIN Board Section ...................................................... 60
6-4. Bottom Cabinet Section .................................................. 61
6-3. MAIN Board Section ...................................................... 60
6-4. Bottom Cabinet Section .................................................. 61
7.
ELECTRICAL PARTS LIST
.............................. 62
Accessories are given in the last of the electrical parts list.
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WITH MARK 0 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.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
Ver. 1.1
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