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ORDER NO. VRD0206026C8
Video Cassette Recorder
NV-SJ30AM / NV-SJ30EU / NV-SJ30PMP / NV-SJ50AM / NV-
SJ50AU / NV-SJ50EU
R4-MECHANISM
SPECIFICATIONS
2002 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
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Summarization of Contents

1. INTRODUCTION
Model Number Identification
Details how model numbers are indicated on schematic and circuit board diagrams.
2. GENERAL DESCRIPTIONS
Service Cautions and Procedures
Covers service cautions, EEPROM replacement, C.B.A. checking, and cassette tape removal.
Component Replacement and Service Modes
Details cylinder unit replacement, flat card cable installation, and service modes.
Diagnostic and Cleaning Information
Notes lack of self-diagnosis and introduces head cleaning cassettes.
3. ADJUSTMENT PROCEDURES
Disassembly Methods
Provides disassembly flow chart and detailed steps for unit components.
Mechanical and Electrical Adjustments
Details mechanical adjustment procedures and electrical adjustment prerequisites.
8. SCHEMATIC DIAGRAMS
Main Schematic Sections
Schematics for Power Transformer, System Control, Luminance/Audio, Power/RF, Key Switch/LED, and Front.
9. CIRCUIT BOARD ASSEMBLIES
Main and Front Circuit Boards
Identification and layout of the Main C.B.A. and Front C.B.A.
10. EXPLODED VIEWS
Parts Breakdown Views
Exploded views for Chassis, Casing, and Packing parts sections.
11. REPLACEMENT PARTS LIST
Parts Lists
Lists for Chassis, Casing, Packing, and Electrical replacement parts.

Table of Contents

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