Vizio VW22LHDTV10T User Manual

22″LCD TV Vizio VW22LHDTV10T
1
Service
Service
Service
Horizontal Frequency
31~60 kHz
TABLE OF CONTENTS
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
6.1.Main Board…………..……………...……….......25
6.2.Power Board……………..………….……….......28
6.3.Key Board………………………..……….......29
6.4.IR Board…………………………..……….......29
7. White-Balance, Luminance Adjustment...................30
8. Block Diagram.……...........................................32
9. Schematic……………...…………..………………...33
9.1 Main Board…………………………………...….......33
9.2.Power Board…………….…………...………….......46
9.3.Key Board……………….……….………….......48
10. Exploded View………………………………….…...49
11. BOM List……………….…………………………….50
Table Of Contents.......……..............................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification..............................………........4
2. Operating Instructions…………………….……….......5
2.1. The Use Of Remote Control…….………….…….......5
2.2. To Use The Menu…...…………………….……….......7
2.3. How To Connect…….…………………….……….....13
2.4. Front Panel Control Knobs……………….……….....14
3. Input/Output Specification…………....................…....15
4. Mechanical Instructions…………………….................17
5. Repair Flow Chart ……………………….…….…….....20
6. PCB Layout ………………..………………....….......25

Vizio VW22LHDTV10T Specifications

General

Brand	Vizio
Model	VW22LHDTV10T
Category	LCD TV
Language	English

Summary

Safety Notices

Important Safety Notice Details

Details crucial safety precautions for service personnel and product handling.

Revision List

General Specifications

Operating Instructions

Remote Control Operation

Explains the function of each button on the remote control for TV operation.

Using On-Screen Menus

Guides on navigating and adjusting TV settings via the On-Screen Display (OSD).

Connecting External Devices

Explains how to connect various video and audio sources via different ports.

Front Panel Controls

Describes the function of the physical buttons on the TV's front panel.

Input/Output Specifications

RGB Signal Input Details

Details the pin assignments for the RGB signal input connector.

HDMI Connector Pin Assignments

Details the pin assignments for the HDMI digital connector.

AV/S-Video/Component Input Specs

Provides technical specifications for AV, S-Video, and Component video inputs.

Mechanical Instructions

Repair Flowcharts

Troubleshooting: No Power (No LED)

Flowchart for diagnosing and resolving issues when the TV has no power and no indicator light.

Troubleshooting: Cannot Start (Yellow LED)

Flowchart for diagnosing and resolving issues when the TV cannot start with a yellow LED.

Troubleshooting: No Display (Green LED)

Flowchart for diagnosing and resolving issues when the TV has no display but a green LED.

Troubleshooting: Abnormal Display

Flowchart for diagnosing and resolving issues related to abnormal picture display.

Troubleshooting: No Sound

Flowchart for diagnosing and resolving issues when the TV has no sound output.

PCB Layouts

Main Board PCB Layout

Diagram showing the component layout of the main circuit board.

Power Board PCB Layout

Diagram showing the component layout of the power supply circuit board.

White Balance and Luminance Adjustment

System Block Diagram

Schematic Diagrams

Main Board Schematic

Detailed circuit diagram for the main logic board of the TV.

Power Board Schematic

Detailed circuit diagram for the TV's power supply board.

Exploded View

Bill of Materials (BOM)