Aiwa HV-GX950 K User Manual

BASIC TAPE MECHANISM : OVD-6
VIDEO CASSETTE RECORDER
HV-GX950
HV-GX900
S/M Code No. 09-975-331-5N1
K
K
SERVICE MANUAL
DATA
230 V AC, 50 Hz
14W
3.5 kg (7.7 lbs.)
380 mm (W) x 267 mm (D) x
95 mm (H)
(15 x 10 5/8 x 3 3/4 in.)
5°C to 40°C
Rotary 2 head helical scanning
system
PAL colour system, 625 lines,
50 fields
Azimuth 2 heads
VHS video cassette
UHF: 21 to 69
UHF channels between 23 and
69, 73 dBµ
240 lines
30 minutes
Frequency synthesized tuner
I
SPECIFICATIONS
PAL SP: 23.39 mm/sec
LP: 11.69 mm/sec
NTSC (playback only)
SP: 33.35 mm/sec
PAL SP: 5 hours with E-300 tape
LP: 10 hours with E-300 tape
NTSC (playback only)
SP: 3 hours 30 minutes with
T-210 tape
1.0 Vp-p, 75 ohm, unbalanced
1.0 Vp-p, 75 ohm, unbalanced
53 dB (nominal)
–3.8dBs, 50K ohm
–3.8dBs, less than 1 Kohm
1 track (Mono)
135 seconds with E-180 tape
108 seconds with E-180 tape
TAPE SPEED ...................................
RECORDING/PLAYBACK TIME .....
VIDEO INPUT...................................
VIDEO OUTPUT ..............................
VIDEO S/N .......................................
AUDIO INPUT ..................................
AUDIO OUTPUT ..............................
AUDIO TRACK .................................
FAST-FORWARD TIME...................
REWIND TIME .................................
POWER REQUIREMENTS.................
POWER CONSUMPTION...................
WEIGHT ..............................................
DIMENSIONS ......................................
OPERATING TEMPERATURE ...........
VIDEO RECORDING SYSTEM ..........
VIDEO SIGNAL SYSTEM ...................
VIDEO HEAD ......................................
USABLE CASSETTES ........................
CHANNEL COVERAGE ......................
RF OUTPUT ........................................
HORIZONTAL RESOLUTION ............
TIMER BACKUP .................................
TUNER SYSTEM ................................
TV SYSTEM ........................................
Design and specifications are subject to change without
notice.
•

Aiwa HV-GX950 K Specifications

General

Brand	Aiwa
Model	HV-GX950 K
Category	VCR
Language	English

Summary

Product Specifications and Service Preliminaries

Unit Specifications

Technical specifications for the Video Cassette Recorder, including power, dimensions, and tape speed.

Important Servicing Notices

Crucial safety notices, custom code selection, and general service guidelines for technicians.

Note for Replacing Memory IC Data Settings

Steps to ensure correct data settings when replacing the memory IC.

Disassembly and Mechanical Procedures

Disassembly Instructions for Parts and PCBs

Step-by-step guide for disassembling mechanical components and PCBs.

Mechanical Adjustments and Calibration

Procedures for mechanical adjustments like reel height, tension, and torque settings.

Servicing Fixtures and Tools

List and usage of specialized tools required for performing service operations.

Electrical Adjustments, Troubleshooting, and Service Modes

Electrical Adjustments Guide

Procedures for electrical adjustments, including PG shifter and head adjustments.

Troubleshooting Guide for Common Issues

Diagnostic procedures for power, video, audio, mechanical, and signal faults.

Service Mode List

List of service modes for unit examination, repair, and adjustment.

Technical Reference Materials

Key to Abbreviations

Glossary of technical abbreviations and their meanings used in the manual.

Preventive Checks and Service Intervals

Guidelines for regular maintenance and replacement intervals based on usage.

VCR Test Tape Interchangeability Table

Table correlating test tape models with their recorded signals and applications.

IC Descriptions and Pinouts

Detailed descriptions and pin assignments for integrated circuits used in the unit.

Circuit Diagrams and Block Diagrams

System block diagrams and detailed circuit schematics for various sections.

Semiconductor Base Connections

Diagrams showing base connections for semiconductors.