LG 42PT250 Manuals

LG 42PT250 Manuals

Manuals and User Guides for LG 42PT250. We have 2 LG 42PT250 manuals available for free PDF download: Service Manual

LG 42PT250 Service Manual

LG 42PT250 Service Manual (73 pages)

Brand: LG | Category: Plasma TV | Size: 11.13 MB

Table of Contents

Table of Contents
2
Important Safety Notice
3
General Guidance
3
Leakage Current Cold Check(Antenna Cold Check)
3
Leakage Current Hot Check
3
Safety Precautions
3
- Application Range
  4
- Test Method
  4
- Module Specification
  4
Specification
4
Adjustment Instruction
6
Block Diagram
13
Exploded View
14
- Schematic Diagram
  15
- PDP TV Repair Process Index
  24
- Repair Process
  25
- No Picture/Sound OK
  25
- No Picture/No Sound
  26
- Mal-Discharge/Noise/Dark Picture
  27
- Picture Broken/Freezing
  28
- Vertical Bar/ Horizontal Bar
  29
- No Power (Not Turn On)
  30
- Turn off (Instant, under Watching)
  31
- No Sound/ Sound Distortion
  32
- Remote Control & Local Key & RF Emitter Checking
  33
- PDP TV Repair Process Reference Data Index
  35
- Check Module Pattern by Tilt Key
  37
- Audio Check Method
  38
- Repair Process-Reference Data
  39
- All Input Audio Problem
  39
- Digital TV / HDMI Audio Problem
  40
- Analog TV Audio Problem
  41
- Component / AV/RGB Audio Problem
  42
- Optical Audio Problem
  43
- Check Va, Vs on Power Board
  44
- PDP Module Label Information
  45
- Check & Adjust – V, Y, VSC, VZB Voltage (50R3)
  46
- Digital TV Video Problem
  48
- Analog TV Video Problem
  49
- Component Video Problem
  50
- RGB(D-Sub) Video Problem
  51
- AV Video Problem
  52
- HDMI Video Problem
  53
- Fuse Checking Method
  54
- Y-Sus Board Checking Method(50R3)
  55
- Specifications
  55
- Z-Sus Board Checking Method(50R3)
  56
- Check 5V, 17V on Power B/D
  57
- Control Board Checking Method(50R3)
  58
- Mal Discharge Symptom
  59
- PDP Module Rom Ver. Checking Method
  60
- Y Drive B/D Checking Method(50R1)
  61
- (Half Picture) X- B/D Checking Method(50R1)
  62
- Defect Type Cause by PDP Module
  63
- Connector Type on PDP Module
  64
- RF Signal Level Checking Method
  65
- Check Voltage on Power Board
  66
- Power Board Checking Method
  67
- Check Power off History
  68
- Speaker Cable Checking Method
  69
- Check Remote Control IR Operation
  70
- Check Local Key Operation
  71
- Check RF Emitter Operation
  72

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LG 42PT250 Service Manual

LG 42PT250 Service Manual (36 pages)

PLASMA TV

Brand: LG | Category: Plasma TV | Size: 11.05 MB

Table of Contents

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