Aiwa VX-T14G10 User Manual

SERVICE MANUAL
DATA
INTEGRATED COLOR TV / VIDEO CASSETTE
RECORDER
VX-T14G10
S/M Code No. 09-006-346-3N1
D
BASIC TAPE MECHANISM : OVD-6S
MODEL CODE : 8AJTS-0197(ST)
映像ヘッド..........................
チューナー方式..................
放送方式..............................
ビデオ信号方式..................
使用カセット......................
録画時間..............................
巻き戻し時間......................
早送り時間..........................
テープスピード..................
水平解像度..........................
音声トラック......................
許容動作温度......................
許容相対湿度......................
電源.....................................
消費電力..............................
待機時消費電力...................
年間消費電力量...................
外形寸法..............................
質量.....................................
ブラウン管..........................
受信チャンネル..................
受信放送方式......................
音声出力..............................
スピーカー..........................
アンテナ端子.......................
映像／音声入力端子..........
映像／音声出力端子..........
イヤホン端子..................
録画・再生方式..................
14型
高さ 21cm
幅 28cm
対角 33.5cm
VHF 1〜12チャンネル
UHF 13〜62チャンネル
CATV C13〜C38チャンネル
モノラル
3W
3.8cmx6.4cm
TV入力：75Ω
［裏面］
・ビデオ入力１
映像入力 1.0Vp-p,75Ω
音声入力 -8dBs,47kΩ
［前面］
・ビデオ入力２
映像入力 1.0Vp-p,75Ω
音声入力 -8dBs,47kΩ
［裏面］
映像出力 1.0Vp-p,75Ω
音声出力 -8dBs,1kΩ
ミニモノラルジャック
回転ヘッドヘリカルスキャン方式
2ヘッド
周波数シンセサイザー方式
M
NTSC走査線525本、60フィールド
VHS規格ビデオカセットテープ
標準：3時間30分（T-210テープ使用時）
3倍：10時間30分（T-210テープ使用時）
約1分48秒（T-120テープ使用時）
約1分48秒（T-120テープ使用時)
標準：33.35mm/秒
3倍：11.12mm/秒
220本（標準モード）
1トラック
5℃〜40℃
80%以下
AC100V、50/60Hz
65W（消費電力「減」設定時：62W）
4W
95kW・h／年
高さ 385mm
幅 435mm
奥行き 371mm
12.8kg
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONS
●外観及び仕様は予告なく変更する場合があります。

Aiwa VX-T14G10 Specifications

General

Brand	Aiwa
Model	VX-T14G10
Category	TV
Language	English

Summary

Specifications

Safety Precautions

General Safety Warnings

Safe Repair Practices

Disassembly Method

Removing Cabinet and Boards

Disassembly Method (continued)

How to Remove the Anode Cap

Anode Cap Removal Procedure

Service Mode List

Major Parts Maintenance and Inspection

Cleaning Procedures

Memory IC Replacement Notes

Service Jigs List

Preparation Steps

Main Board Service Position

VCR Test Tape Compatibility Chart

Mechanism Adjustment Method

Reel Disk Height Confirmation and Adjustment

Tension Post Position Confirmation and Adjustment

Playback Torque Confirmation and Adjustment

Mechanism Adjustment Method (continued)

Electrical Adjustment Method

Displaying Adjustment Screen

Basic Adjustment (Video Section)

Electrical Adjustment Method (continued)

Troubleshooting (TV Section)

Power Not On (1)

Steps to diagnose and resolve power-on issues when standby voltage is absent.

Troubleshooting (continued)

Power Not On (2)

Steps to diagnose power issues when standby voltage is present.

Video Present, No Audio

Diagnostic steps when video is displayed but audio is absent.

No Color

Steps to diagnose and fix issues where color is not displayed.

No Video

Diagnostic steps when no video signal is present.

Horizontal Line Only

Steps to diagnose display issues showing only a horizontal line.

Playback Release

Steps to diagnose and resolve issues with playback release.

Playback - No Video

Diagnostic steps when video is absent during playback.

Playback - No Color

Diagnostic steps when color is absent during playback.

Playback - Video Noisy

Steps to diagnose and fix noisy video during playback, even after head cleaning.

Self-Recording - No Color

Diagnostic steps when color is absent during self-recording.

Playback - No Audio

Diagnostic steps when audio is absent during playback.

Capstan DD Motor Not Rotating

Steps to diagnose issues with the capstan DD motor not rotating.

Recording - No Audio

Diagnostic steps when audio is not recorded.

Cassette Inserted, Tape Not Moving

Steps to diagnose when a cassette can be inserted but the tape does not move.

Recording - No Video from Input Jack or Tuner

Diagnostic steps when recording is active but no video is captured.

E-E Not Outputting (No Tuner Video/Audio)

Steps to diagnose issues when E-E output is absent from tuner.

Playback/Recording - Cylinder Not Rotating

Diagnostic steps when the cylinder does not rotate during playback/recording.

Sound Distorted

Steps to diagnose and fix distorted audio playback.

Cassette Cannot Be Inserted

Diagnostic steps when a cassette cannot be inserted into the unit.

Cassette Inserted, Then Ejects Immediately

Steps to diagnose issues where the unit immediately ejects the inserted cassette.

Rewind/Fast Forward Not Working

Diagnostic steps when rewind or fast forward functions fail.

Tape Loading, Then Unloading

Steps to diagnose tape loading issues followed by immediate unloading.

Playback - Image Shaking Vertically

Steps to diagnose and fix vertical image shaking during playback.

Auto Tracking Not Working

Diagnostic steps when the auto-tracking feature fails.

Playback, Fast Forward, Rewind Stops Immediately

Steps to diagnose when playback, FF, or REW stops abruptly.

Playback - Image Shaking Horizontally

E-E AUDIO Not Outputting

TUNER AUDIO Not Outputting

Display Not Outputting

Diagnostic steps when the screen display is not working.

Playback - Image Shaking

IC Pin Function Description (OEC7042A)

IC Pin Function Description (OEC7042A) (continued)

TV Section Block Diagram

Y/C/Audio/Head Amp/Input/Output/IF Block Diagram

Microcomputer/Operation/Deck Block Diagram

Operation Board Basic Circuit Diagram

Deck Basic Circuit Diagram

Y/C/Audio/Head Amp Basic Circuit Diagram

Microcomputer Basic Circuit Diagram

Chroma/IF Basic Circuit Diagram

Input/Output Basic Circuit Diagram

Power Supply Basic Circuit Diagram

Sound Amplifier Basic Circuit Diagram

IF Basic Circuit Diagram

Deflection Basic Circuit Diagram

TV Power Supply Basic Circuit Diagram

CRT Basic Circuit Diagram

Overall Connection Diagram

Mechanical Part Exploded View

Mechanical Part Exploded View (continued)

Chassis Top View Exploded Diagram

Chassis Rear View Exploded Diagram