Sanyo VHR-220 series User Manual

Service Manual
Video Cassette
Recorder
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VHR-230 series
VI+ R-235 series
VHR-23 series
VHR-25 series
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TABLE OF CONTENTS
1.. CIRCUIT BOARD LOCATIONS
1-1. MAIN BOARDS.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1-2. LOCATION FOR TAPE PATH ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. ELECTRICAL ADJUSTMENT
2-1. PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2-2. SERVO CIRCUIT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2-3. VIDEO CIRCUIT ADJUSTMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
2-4. AUDIOCIRCUIT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2-5. TUNER lFCIRCUIT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3. DISASSEMBLY PROCEDURES
3-1. REMOVAL OF REMOTE CONTROL UNITCASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
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EP1, EP1 L, EP2 series
REFERENCE No. WM-531027

Sanyo VHR-220 series Specifications

General

Brand	Sanyo
Model	VHR-220 series
Category	VCR
Language	English

Summary

CIRCUIT BOARD LOCATIONS

MAIN BOARDS

Provides diagrams and locations of main circuit boards.

LOCATION FOR TAPE PATH ADJUSTMENT

Identifies test points for tape path adjustment.

ELECTRICAL ADJUSTMENT

PREPARATION

Lists necessary equipment and setup procedures for adjustments.

SERVO CIRCUIT ADJUSTMENT

Details the servo circuit adjustment procedure.

VIDEO CIRCUIT ADJUSTMENT

Outlines procedures for video circuit adjustments.

AUDIO CIRCUIT ADJUSTMENT

Describes audio circuit adjustment steps.

TUNER IF CIRCUIT ADJUSTMENT

Explains tuner IF circuit adjustment process.

DISASSEMBLY PROCEDURES

REMOVAL OF REMOTE CONTROL UNIT CASE

Step-by-step guide to disassembling the remote control unit.