JVC HR-J282EU - User Manual

SERVICE MANUAL
No.82915
June 2002
HR-J282EU, HR-J283EU, HR-J285EU,
HR-J290EU, HR-J293EU, HR-J295EK, HR-J295MS,
HR-J582EU, HR-J583EU, HR-J585EU,
HR-J590EU, HR-J593EU, HR-J595EK, HR-J595MS
VIDEO CASSETTE RECORDER
SPECIFICATIONS (The specifications shown pertain specifically to the model HR-J290EU, J293EU, J590EU and J593EU.)
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD
V15
Specifications shown are for SP mode unless specified otherwise.
E. & O.E. Design and specifications subject to change without
notice.
GENERAL
Power : 200 V – 240 V , 50 Hz/60 Hz
Power consumption
Power on : Approx. 12 W
Standby mode : 3.0 W
Video Head system
HR-J590/J593/
J599EU
: DA4 (Double Azimuth) head helical
scan system
HR-J290/J293EU : Rotary two-head helical scan system
Tape speed
(SP) : 23.39 mm/sec
(LP)* : 11.69 mm/sec
* HR-J590/J593/J599EU only
Tape format : Tape width 1/2"
(12.7 mm high density VHS tape)
Maximum recording time
(SP) : 240 min. with E-240 video cassette
(LP)* : 480 min. with E-240 video cassette
* HR-J590/J593/J599EU only
Rewind time : Approx. 180 sec. with E-180 cassette
Dimensions (W x H x D) : 360 mm x 94.5 mm x 270 mm
Weight : 4.0 kg
Operating temperature : 5°C to 35°C
Operating humidity : Less than 80 %
Timer : 24 hours display type
VIDEO
Signal system : PAL-type colour signal and CCIR
monochrome signal, 625 lines
50 fields
Recording Format : PAL/MESECAM
RF reception : PAL (B/G)/SECAM (B/G)
RF OUT : PAL G
RF modulator : UHF channels 22 – 68 (Adjustable)
Input level : VIDEO IN (SCART type)
1.0 Vp-p, 75 ohm, unbalanced
Output level : VIDEO OUT (SCART type)
1.0 Vp-p, 75 ohm, unbalanced
Signal-to-noise ratio : More than 43 dBm
AUDIO
Input level : AUDIO IN (SCART type)
–6.0 dBm, more than 10 kΩ
Output level
HR-J590/J593/
J599EU
: AUDIO OUT (SCART, RCA type)
–6.0 dBm, less than 1 kΩ
HR-J290/J293EU : AUDIO OUT (SCART type)
–6.0 dBm, less than 1 kΩ
Audio track
HR-J590/J593/
J599EU
: Mono track and Hi-Fi track
HR-J290/J293EU : Mono track
Audio frequency response
Normal audio : 100 Hz to 10,000 Hz
(–6/+3 dBm)
Hi-Fi audio* : 20 Hz to 20,000 Hz
(–3/+3 dBm)
* HR-J590/J593/J599EU only
Audio signal to noise ratio [HR-J590/J593/J599EU only]
Hi-Fi audio : More than 70 dB (JIS A filter)
Audio dynamic range [HR-J590/J593/J599EU only]
Hi-Fi audio : More than 85 dB (JIS A filter)
ACCESSORIES
Provided accessories : RF cable,
Infrared remote control unit,
“R3” battery x 2

Summary

SPECIFICATIONS

GENERAL, VIDEO, AND AUDIO SPECS

Key technical specifications including power, tape speed, format, video system, and audio parameters.

SECTION 1 SUMMARY

KEY TO ABBREVIATIONS

List of abbreviations used throughout the service manual.

Important Safety Precautions

Servicing Safety Guidelines

Critical safety guidelines and precautions for service personnel during repairs.

Safety Check after Servicing

Safety Check Procedures

Tests to verify compliance with safety standards after repair completion.

Proposal for Short Protection

Short Protection Proposal

Method to prevent overheating and fire due to IC shorts.

EEPROM Replacement Service Notice

EEPROM Initialization Procedure

Procedure for initializing EEPROM after replacement for proper operation.

EEPROM IC Setting Information

EEPROM IC Setting Details

Details on setting EEPROM option codes for different models.

SECTION 2 CABINET & MAIN CHASSIS

Service Method and Exploded Views

Procedures for chassis service and visual part identification.

SECTION 3 ELECTRICAL

Electrical Adjustments and Troubleshooting

Procedures for electrical adjustments and troubleshooting guides for key circuits.

SECTION 4 MECHANISM

Mechanism Parts, Disassembly, and Adjustment

Overview of mechanism parts, disassembly steps, and adjustment procedures.

Mechanism Maintenance and Troubleshooting

Procedures for maintenance, lubrication, and fault diagnosis of the mechanism.

Block Diagrams

System Block Diagrams

Schematic diagrams of various functional blocks within the VCR.

Circuit Diagrams

Power, Tuner, A;V, System Schematics

Detailed circuit schematics for key sections of the VCR.

Waveform and Voltage Information

IC Waveform Examples and Voltage Charts

Oscilloscope waveforms and voltage measurements for critical ICs.

Circuit Voltage Chart

Circuit Voltage Chart

Table of voltage readings for various components in different modes.

Printed Circuit Board Diagrams

MAIN P.C.Board Layout

Diagram showing the layout of components on the main PCB.

SECTION 5 REPLACEMENT PARTS LIST

Packing, Assembly, and Mechanism Parts

Lists of packing, final assembly, and mechanism components with part numbers and diagrams.

JVC HR-J282EU Specifications

General

Brand	JVC
Model	HR-J282EU
Category	VCR
Language	English