— 2 —
TABLE OF CONTENTS
1. SERVICE NOTES
···························································· 3
2. GENERAL
·········································································· 4
3. DISASSEMBLY
3-1.
Front Cabinet Assy ····························································· 5
3-2.
Control Board ····································································· 6
3-3.
Cabinet (upper) Assy ·························································· 6
3-4.
Inlet, Power, Battery, Half Battery Board ··························· 7
3-5.
Main Board ········································································· 7
3-6.
Mechanism Deck, Optical Pick-up Section ························ 8
4. DIAL POINTER INSTALLATION
······························· 9
5. ADJUSTMENT
5-1.
Mechanical Adjustment ···················································· 10
5-2.
Electrical Adjustment ······················································· 10
5-3.
Tuner Section ···································································· 11
5-4.
Reference ·········································································· 15
6. DIAGRAM
6-1.
Circuit Board Location ····················································· 17
6-2.
Block Diagram ································································· 18
6-3.
Printed Wiring Board ························································ 21
6-4.
Schematic Diagram – Main Section(1/2) – ······················ 25
6-5.
Schematic Diagram – Main Section(2/2) – ······················ 30
6-6.
Explanation of IC Terminals ············································ 33
7. EXPLODED VIEWS
·················································
38
8. ELECTRICAL PARTS LIST
···································
44
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
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.
