LG 42LB552V Manuals

Manuals and User Guides for LG 42LB552V. We have 1 LG 42LB552V manual available for free PDF download: Service Manual

LG 42LB552V Service Manual

LG 42LB552V Service Manual (97 pages)

Brand: LG | Category: LED TV | Size: 8.42 MB

Table of Contents

Table of Contents
2
Safety Precautions
3
Servicing Precautions
4
- Application Range
  6
- Requirement for Test
  6
- Test Method
  6
Specification
6
- Video Resolutions
  8
- Component Input
  8
- HDMI Input
  8
- 3D Input Mode
  9
- Hdmi Input
  9
- DLNA Input
  9
- USB Input
  9
- RF 3D Input
  9
- Designation
  10
- Main PCB Check Process
  10
- Boot File Download
  10
- Adjustment Instructions
  10
- ADC Process
  11
- EDID Download
  11
- EDID Data
  11
- Total Assembly Line Process
  12
- Function Check
  12
- White Balance Adjustment
  12
- Auto-Control Interface and Directions
  13
- Manual W/B Process Using Adjust Remote Control
  13
- Outgoing Condition Configuration
  14
- 3D Function Test
  14
- MHL Test
  14
- IR Emitter Inspection
  14
- HI-POT Test
  15
- Model Name and Serial Number D/L
  15
- HI-POT Auto-Check Preparation
  15
- Signal Table
  15
- MAC Address and CI+ Key Download
  16
- LAN Inspection
  16
- LAN Port Inspection
  16
- Equipment and Condition
  16
Exploded View
17
- Power Block
  19
- USB (Side)
  20
- Hdmi
  21
- Spdif
  22
- Serial Flash for SPI Boot
  24
- Lvds Eu
  25
- CI Region
  26
- CI Slot
  26
- Ethernet
  27
- DVB-S2 LNB Part Allegro
  28
- Scart Component
  29
- Headphone
  30
- L14 Tuner EU T/C T2/C/S2 China
  31
- RS-232C 4PIN and MSTAR Debug 4PIN
  32
- TP for EU
  33
- IR/LED + Digital Eye + Control
  34
- Audio AMP
  37
- L14 MHL SW and Gate
  38
- L14 Power Block
  40
- Netcast5.0 EU Tuner T/C
  46
- Contents of LCD TV Standard Repair Process
  59
- Contents of LCD TV Standard Repair Process Detail Technical Manual
  60
- Video Error
  61
- No Video/ Normal Audio
  61
- No Video/ no Audio
  62
- Picture Broken/ Freezing
  63
- Tuning Fail, Picture Broken/ Freezing
  64
- Color Error
  65
- External Device Color Error
  66
- Vertical/Horizontal Bar, Residual Image, Light Spot
  66
- Power Error
  67
- No Power
  67
- Off When On, off While Viewing, Power Auto On/Off
  68
- Audio Error
  69
- No Audio/ Normal Video
  69
- Wrecked Audio/ Discontinuation/Noise
  70
- Function Error
  71
- Remote Control and Local Switch Checking
  71
- External Device Recognition Error
  72
- Circuit Noise, Mechanical Noise
  73
- Exterior Defect
  74
- Check Back Light on with Naked Eye
  76
- Standard Repair Process Detail Technical Manual
  76
- Video Error/No Video/Normal Audio
  76
- Inverter B+ 24V Measuring Method
  77
- Check White Balance Value
  78
- Power Board Voltage Measuring Method
  79
- Video Error, Video Lag/Stop
  80
- Tuner Input Signal Strength Checking Method
  80
- LCD-TV Version Checking Method
  81
- LCD TV Connection Diagram
  82
- Check and Replace Link Cable and Contact Condition
  83
- Video Error/Color Error
  84
- Adjustment Test Pattern - ADJ Key
  84
- Exchange T-Con Board
  85
- Exchange PSU
  87
- Exchange the Module
  88
- Power Error/No Power
  90
- Check Front Display LED
  90
- Check Power Input Voltage and ST-BY 5V
  91
- Checking Method When Power Is on
  92
- Power Error/Off When On, off Whiling Viewing
  93
- Power off Mode Checking Method
  93
- Audio Error/No Audio/Normal Video
  94
- Checking Method in Menu When There Is no Audio
  94
- Voltage and Speaker Checking Method When There Is no Audio
  95
- Function Error/No Response in Remote Controller, Key Error
  96
- Remote Controller Operation Checking Method
  96

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