KVX-370
TABLE OF CONTENTS
1. GENERAL
1-1.
Parts Identification············································· 4
1-2.
To Set the Clock .. ····......................................... 4
1-3.
To Wake Up to the Buzzer or the TV Sound···· 4
1-4.
To Preset the Receivable Channels·•··················· 5
1-5.
To Erase an Unnecessary Channels···················· 5
1-6.
Connecting the External Antenna························ 6
1-7.
Connecting a VCR •············································ 6
2. DISASSE MBLY
2-1 .
Removal of Rear Lid •········································ 7
2-2.
Removal of J/D3/M Boards···························· 7
2-3.
Opening of D2/H Boards·································· 8
2-4.
Removal of the A Board ··································· 8
2-5.
Removal of CRT•··············································· 9
3. SAFETY RELATED ADJUSTMENT······················ 10
Section
4. CIRCUIT ADJUSTMENTS
4-1.
A Board Adjustment ···································· 12
4-2.
B Board Adjustment ... ·································· 12
4-3.
D1 Board Adjustment .. ································· 14
4-4.
D2 Board Adjustment ................................... 14
4-5.
D3 Board Adjustment··································· 15
4-6.
B Board and H Board Adjustment··············· 15
4-7.
H Board Adjustment ···································· 16
5. DIAGRAMS
5-1 .
Block Diagram •··············································· •·· 17
5·2.
Circuit Boards Location······································ 25
5-3.
Printed Wiring Boards and Schematic Diagram···· 25
5·4.
Semiconductors·················································· 61
6. EXPLODED VIEWS
1.
Chassis·•·····················································--····· 62
2.
Picture Tube··············································----···· 63
7. ELECTRICAL PARTS LIST ·········· ....................... 64
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED
DURING ANY SERVICE TO AVOID POSSIBLE SHOCK
HAZARD, BECAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECEIVER IS DIRECTLY CON•
NECTED TO THE AC POWER LINE.
SAFETY.RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
_&
ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS 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.
CIRCUIT ADJUSTMENTS
THAT ARE CRITICAL TO SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PRO
CEDURES WHENEVER CRITICAL COMPONENTS ARE
REPLACED OR IMPROPER OPERATION IS SUSPECTED.
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