JVC LT-32EX19/VBSK Manuals

Manuals and User Guides for JVC LT-32EX19/VBSK. We have 1 JVC LT-32EX19/VBSK manual available for free PDF download: Service Manual

JVC LT-32EX19/VBSK Service Manual

JVC LT-32EX19/VBSK Service Manual (105 pages)

LCD COLOUR TELEVISION

Brand: JVC | Category: LCD TV | Size: 13.27 MB

Table of Contents

Table of Contents
1
Specification
2
Alternate Check Method
6
Leakage Current Check
6
Precaution
6
Safety Precautions
6
Handling Lcd Panel
7
Heat Dissipation
7
Installation
7
Notes on Handling
7
Self Check Mode Screen
8
How to Reset the Operating Time
8
Optical Filter
8
How to Check the Operating Time
8
Features
9
Hdmi Input
9
Main Difference List
9
Specific Service Instructions
9
How to Identify Models
10
Technical Information
11
Pixel Fault
11
Specifications
11
Lcd Panel
11
Main Cpu Pin Function
12
Caution at Disassembly
14
Disassembly
14
Removing the Rear Cover
14
Removing the Speaker
14
Disassembly Procedure
16
Removing the Inverter Pwb
16
Removing the Control Pwb
16
Removing the Back Light Unit
17
Removing the Lcd Control Pwb
17
Memory IC Replacement
18
Memory IC Replacement Procedure
18
Service Mode Screen
18
User Setting
18
Remote Control Menu Operation
19
System Constant Setting
19
Button Operation
19
Remote Control Direct Operation
19
How to Install Chip Parts
23
How to Remove Chip Parts
23
Replacement of Chip Component
23
Soldering Iron
23
Adjustment
24
Adjustment Preparation
24
Measuring Instrument and Fixtures
24
Preset Setting before Adjustments
24
Zoom Mode
25
Description of Status Display
25
Signal System
25
How to Enter the Adjustment Mode
25
How to Enter the Vsm Preset Mode
26
Initial Setting Values in the Service Mode
26
Vsm Preset Mode
26
Adjustment Procedure
27
Video Circuit
27
Troubleshooting
28
How to Exit the Self Check Mode
28
Self Check Feature
28
How to Enter the Self Check Mode
28
Details
29
Explanation of Operation
29
Method of Display When a Raster Is Not Output
29
Note for Repairing Service
32
Note on Using Circuit Diagrams
32
Specified Voltage and Waveform Values
32
Standard Circuit Diagram
32
Table of Contents
33
Using P.w. Board
33
Transistor
33
Semiconductor Shapes
33
Semiconductor Shapes

34
Wiring Diagram

34
Block Diagram

35
Circuit Diagrams

36
- Analog Pwb Circuit Diagram
  36
- Digital Pwb Ass'y
  37
- Digital Pwb Circuit Diagram
  37
- Power Pwb Circuit Diagram
  40
- Sw Pwb Circuit Diagram
  41
- Led Pwb Circuit Diagram
  42
- Remote Pwb Circuit Diagram
  43
Pattern Diagrams

44
- Analog Pwb Pattern
  44
- Digital Pwb Pattern
  45
- Power Pwb Pattern
  47
- Sw Pwb Pattern
  47
- Led Pwb Pattern
  47
- Remote Pwb Pattern
  48
Voltage Charts

48
Waveforms

49

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