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LCD 782LS service manual Power
Models:
LCD 782LS
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Troubleshooting
Parts list
Timing Chart
Pin Configuration
Disassembly
Analog Signal
AUTO adjustment function
Before Servicing The Unit Read The Safety Precautions In This Manual
Safety
Power Part
Page 32
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7. POWER
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Contents
Websitehttp//biz.LGservice.com
BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL
CHASSIS NO. CL-29 FACTORY MODEL LB782G
ID LABEL MODEL No
CONTENTS
SPECIFICATIONS
BLOCK DIAGRAM AND DESCRIPTION
TROUBLESHOOTING GUIDE
TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT
PRECAUTION
WARNING FOR THE SAFETY-RELATED COMPONENT
TIMING CHART
VIDEO SYNC
OPERATING INSTRUCTIONS
FRONT VIEW
REAR VIEW
Front Control Panel
WIRING DIAGRAM
J801
J706
J710
DISASSEMBLY
BACK COVER REMOVAL
BLOCK DIAGRAM
+ PLL
Scaling
Module Power LVDS Tx
DESCRIPTION OF BLOCK DIAGRAM
1. Input signal part
3. Power Part
2. Pre-amp/ ADC / PLL / Video Controller
BLOCK DIAGRAM POWER BOARD
6. Signal collection
PRIMARY
SECONDA RY
ADJUSTMENT
Adjustment for White Balance
1. Adjustment Start
Adjustment for EDID
TROUBLESHOOTING GUIDE
1. NO POWER
2. NO RASTER
L204
3. NO CLOCK CLOCK GENERATOR
L201
R233, R234?
4. TROUBLE IN DPM
CHECK
PRINTED CIRCUIT BOARD
1. MAIN BOARD Component Side
2. CONTROL BOARD Component Side 3. CONTROL BOARD Solder Side
P/N 6870T487A11
4. POWER BOARD Component Side 5. POWER BOARD Solder Side
EXPLODED VIEW
EXPLODED VIEW PARTS LIST
Description
CAPACITORS
REPLACEMENT PARTS LIST
MAIN BOARD
DIODEs
COILs & COREs
TRANSISTOR
RESISTORs
POWER BOARD
OTHERs
CONTROL BOARD
PIN CONFIGURATION
PIN CONFIGURATION PIN FUNCTION
BLOCK DIAGRAM
CAT24WC08J-TE13 8P
SCHEMATIC DIAGRAM
1. GM5020
2. LVDS
3. MICOM
4. DC/DC
5. CONNECTOR
6. CONTROL
7. POWER
P/NO 3828TSL074E
Printed in Korea
