Sony HCR-S7AV Service Manual page 76

ST-S5
TABLE OF CONTENTS
1. SERVICING NOTES
2. GENERAL
Location of Controls ....................................................... 4
Setting the Time .............................................................. 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 6
3-2. Cover ............................................................................... 7
3-3. Front Panel Section ......................................................... 7
3-4. PANEL Board, SIRCS Board ......................................... 8
3-5. Tuner pack (FM/AM) ...................................................... 8
3-6. MAIN Board ................................................................... 9
3-7. DSP Board ....................................................................... 9
4. TEST MODE
.............................................................. 10
5. DIAGRAMS
5-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 11
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 ........................................... 21
6. EXPLODED VIEWS
6-1. Cover, Front Panel Section ............................................. 28
6-2. Chassis Section ............................................................... 29
7. ELECTRICAL PARTS LIST
2
................................................ 3
............................... 30
Notes on chip component replacement
• Never reuse a disconnected chip component.
• 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.