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LCD 782LS service manual 4. DC/DC
Models:
LCD 782LS
1
29
33
33
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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
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4. DC/DC
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Contents
BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL
Websitehttp//biz.LGservice.com
CHASSIS NO. CL-29 FACTORY MODEL LB782G
ID LABEL MODEL No
SPECIFICATIONS
CONTENTS
BLOCK DIAGRAM AND DESCRIPTION
TROUBLESHOOTING GUIDE
TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT
PRECAUTION
WARNING FOR THE SAFETY-RELATED COMPONENT
VIDEO SYNC
TIMING CHART
FRONT VIEW
OPERATING INSTRUCTIONS
REAR VIEW
Front Control Panel
J801
WIRING DIAGRAM
J706
J710
BACK COVER REMOVAL
DISASSEMBLY
+ PLL
BLOCK DIAGRAM
Scaling
Module Power LVDS Tx
1. Input signal part
DESCRIPTION OF BLOCK DIAGRAM
3. Power Part
2. Pre-amp/ ADC / PLL / Video Controller
6. Signal collection
BLOCK DIAGRAM POWER BOARD
PRIMARY
SECONDA RY
Adjustment for White Balance
ADJUSTMENT
1. Adjustment Start
Adjustment for EDID
1. NO POWER
TROUBLESHOOTING GUIDE
2. NO RASTER
L204
L201
3. NO CLOCK CLOCK GENERATOR
R233, R234?
4. TROUBLE IN DPM
CHECK
1. MAIN BOARD Component Side
PRINTED CIRCUIT BOARD
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
Description
EXPLODED VIEW PARTS LIST
CAPACITORS
REPLACEMENT PARTS LIST
MAIN BOARD
COILs & COREs
DIODEs
TRANSISTOR
RESISTORs
OTHERs
POWER BOARD
CONTROL BOARD
PIN CONFIGURATION PIN FUNCTION
PIN CONFIGURATION
BLOCK DIAGRAM
CAT24WC08J-TE13 8P
1. GM5020
SCHEMATIC DIAGRAM
2. LVDS
3. MICOM
4. DC/DC
5. CONNECTOR
6. CONTROL
7. POWER
Printed in Korea
P/NO 3828TSL074E
