JVC AV-21MS15 FLAT Color TV Service Manual Download PDF

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🏷️ Basic Information Identification Make: JVC Product Type: Color Television Model Series: AV-21MS15 FLAT Color TV Compatible Models: AV-21MS15/H, AV-21MS25/A, AV-21MX55/S, AV-21MX75/L Technology: CRT (Cathode Ray Tube) Screen Size: 21...

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类型: Color Tv

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标签: AV-21MS15 Color Tv JVC

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Description

🏷️ Basic Information

Identification

Make:

Product Type:

Color Television

Model Series:

AV-21MS15 FLAT Color TV

Compatible Models:

AV-21MS15/H, AV-21MS25/A, AV-21MX55/S, AV-21MX75/L

Technology:

CRT (Cathode Ray Tube)

Screen Size:

21 inches

📋 Manual Details

Manual Information

Manual Type:

Service Manual

Manual Format:

PDF Download

Page Count:

Language:

English

Manual Content

Key Sections:

• Precaution

• Specific Service Instructions

• Disassembly

• Adjustment

• Troubleshooting

🔧 Maintenance

Cleaning

Screen Cleaning Instructions:

Use a soft, damp cloth. Avoid abrasive cleaners.

Cabinet Cleaning:

Wipe with a dry or slightly damp cloth.

📄 Technical Specs

Power

Power Requirements:

AC 100-240V, 50/60Hz (typical for region)

Display

Display Type:

Flat CRT

Audio

Audio Output Power:

Stereo (likely 5W + 5W or similar)

Connections

Video Inputs:

AV In (Composite), RF In

Audio Inputs:

Stereo Audio In (RCA)

Tuning

Tuner Type:

Analog tuner (likely NTSC/PAL/SECAM compatible depending on region)

📄 Troubleshooting

Common Issues

Picture Distortion:

Check for magnetic interference, adjust degaussing.

No Sound:

Verify volume settings, audio connections, and speaker integrity.

No Power:

Check power cord connection, fuse, and power supply board.

📄 Service Instructions

Safety

High Voltage Warning:

Extreme caution required when working with internal components due to high voltage.

Disassembly

Panel Removal:

Detailed procedures for removing front panel, chassis, and CRT.

Adjustment

Picture Geometry Adjustment:

Includes pincushion, linearity, and focus adjustments.

Color Adjustment:

RGB cutoff and gain adjustments for accurate color reproduction.

Sound Adjustment:

Audio amplifier calibration and tone control adjustments.