DOWNLOAD LG 23LCD-H5 / 23L-500LT (CHASSIS:LJ71A) Service Manual ↓ Size: 26.38 MB | Pages: 58 in PDF or view online for FREE

Model
23LCD-H5 23L-500LT (CHASSIS:LJ71A)
Pages
58
Size
26.38 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
23lcd-h5-23l-500lt-chassis-lj71a.pdf
Date
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LG 23LCD-H5 / 23L-500LT (CHASSIS:LJ71A) Service Manual ▷ View online

- 13 -
(4) Execute the program “LDFLASH.EXE”.
(in “LDFLASH1.1_update Tool” folder.)
(5) Click “Config” button.
- Select Port # that is connected to your PC.
(6) Click “Open” button.
- Load binary file(XXXX.bin)
(7) Click “Star” button.
(8) Connect communication line to BEB.
1) Move to “BEB SERVICE” in SVC menu.
2) Press “ENTER(OK)” button.
(9) Input 4-digit password by using remocon.
(Current setting value is “3420”)
(10) click “Change the program” menu.
(11) If all setting is completed, click “Start” button.
(12) Check the programming status at “LDFLASH.EXE” program.
TROUBLE SHOOTING
1. No Power (LED indicator off) : [A] Process
- 14 -
Check 15V or
ST_5V of Power B/D.
Fail
Pass
Check short of Main B/D
or Change Power B/D.
Check Output of
IC1000, IC1004.
Fail
Check short of
IC100, Q308.
Pass
Pass
Fail
Re-soldering or Change
defect part of IC100, Q308.
Change IC1000, IC1004.
Pass
Change IC1006, IC1005.
Check Output of
IC1006, IC1005.
Fail
Check short of
Q308, TU600, IC500.
Fail
Re-soldering or Change
defect part of Q308,
TU600, IC500.
Pass
Pass
Change IC1002, IC1003.
Change LED Assy.
Check Output of
IC1002, IC1003.
Pass
Check LED Assy.
Pass
Check P306 Connector.
Fail
Check short of
IC100, IC400.
Fail
Fail
Re-soldering or Change
defect part of IC100, IC400.
- 15 -
2. No RASTER : [B] Process
Check LED status
On Display Unit.
Fail
Pass
Repeat A PROCESS.
Check Panel Link
Cable or Module.
Pass
Fail
Change Panel Link Cable or Module.
Check Inverter
Connector or
inverter.
Fail
Change Inverter Connector or Inverter.
Pass
Change IC100
Check Output of
Q308.
Pass
Check the LVDS
Output of IC100
Pass
Check Input source Cable and Jack.
Fail
Change Module.
Fail
Fail
Change Q308.
- 16 -
3. No RASTER on DTV Signal
Repeat [A,B] process
Pass
Check the input/
output of R918.
Fail
Check the P901.
Pass
Re-soldering or change the defect part.
Check the X100
Check the input/
output of R127.
Pass
Check the input/
output of IC100
Pass
Check and Change the Digital board.
Fail
Fail
Re-soldering or Change the defect part.
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