Sony SA-CT770 User Manual

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 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)
(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
3. TEST MODE ............................................................ 20
4. TROUBLESHOOTING .......................................... 25
5. DIAGRAMS
5-1. Block Diagram - HDMI Section - ................................... 26
5-2. Block Diagram - MAIN Section - ................................... 27
TABLE OF CONTENTS
5-3. Block Diagram - AMP Section - ..................................... 28
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
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
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
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
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.
Ver. 1.1

Sony SA-CT770 Specifications

General

Brand	Sony
Model	SA-CT770
Category	Speaker System
Language	English