Read Sony MHC-SV7AV / ST-SV7 Service Manual online
2
ST-SV7
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
2
2.
GENERAL
Location of Controls .......................................................
3
Setting the Time ..............................................................
4
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
5
3-2. Cover ...............................................................................
6
3-3. Front Panel Section .........................................................
6
3-4. PANEL Board, SIRCS Board .........................................
7
3-5. Tuner pack (FM/AM) ......................................................
7
3-6. MAIN Board ...................................................................
8
3-7. DSP Board .......................................................................
8
4.
TEST MODE
..............................................................
9
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 10
5-2. Schematic Diagram – MAIN Board (1/2) – .................. 12
5-3. Schematic Diagram – MAIN Board (2/2) – .................. 13
5-4. Printed Wiring Board – MAIN Board – ........................ 14
5-5. Printed Wiring Board – DSP Board – ............................ 15
5-6. Schematic Diagram – DSP Board (1/2) – ..................... 16
5-7. Schematic Diagram – DSP Board (2/2) – ..................... 17
5-8. Printed Wiring Boards – PANEL Section – .................. 18
5-9. Schematic Diagram – PANEL Section – ....................... 19
5-10. IC Pin Function Description ........................................... 20
5-3. Schematic Diagram – MAIN Board (2/2) – .................. 13
5-4. Printed Wiring Board – MAIN Board – ........................ 14
5-5. Printed Wiring Board – DSP Board – ............................ 15
5-6. Schematic Diagram – DSP Board (1/2) – ..................... 16
5-7. Schematic Diagram – DSP Board (2/2) – ..................... 17
5-8. Printed Wiring Boards – PANEL Section – .................. 18
5-9. Schematic Diagram – PANEL Section – ....................... 19
5-10. IC Pin Function Description ........................................... 20
6.
EXPLODED VIEWS
6-1. Cover, Front Panel Section ............................................. 26
6-2. Chassis Section ............................................................... 27
6-2. Chassis Section ............................................................... 27
7.
ELECTRICAL PARTS LIST
............................... 28
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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 PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
SECTION 1
SERVICING NOTES
This set is a component of the MHC-SV7AV.
The MHC-SV7AV system configuration is as shown below, and
therefore it does not operate normally unless all four components
are connected.
In performing the repair, connect all components with the system
cables.
Note: The precaution to the users is described on the label stuck
on the back panel (video CD player) and in the troubleshooting
section in the Operation Manual.
The MHC-SV7AV system configuration is as shown below, and
therefore it does not operate normally unless all four components
are connected.
In performing the repair, connect all components with the system
cables.
Note: The precaution to the users is described on the label stuck
on the back panel (video CD player) and in the troubleshooting
section in the Operation Manual.
System Configuration:
POWER SUPPLY
AC IN
TA
MASTER & GRAPHIC
µ
con
ST
MCE
TC
µ
con
TC
DISPLAY
HTC & VMP
µ
con
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