TITLE
Service Manual
LCD TV For 237-T11
Doc No.
SM_237-T11_19Nov07
Version
1.2
Page
18/72
Company Confidential-DRAFT
4-6 The Other Abnormal Display
Sometimes picture
flashes
Replace System
board
Fail
NO
Replace Keypad/IR
board
Firmware update
fails
Fail
OK
Replace connect
wire
Fail
Replace Remote
control & Battery
Fail
Remote control
fails
Replace LVDS
connect wire
Fail
Replace System
board
Fail
OK
Update firmware
setting process
Fail
Other display problems
Test
Finish
Trouble Condition
Check Item
Replace Material
Test
Step1
:
Check firmware
settings
Check connector CN
10 on System board to
CN1 located on
Keypad board for a
loose connection
Step3
:
Check for a broken
Keypad/IR board
Step2
:
Check System board
component U7,
FB141, FB4 for a short
& Tp103 to Ground =
12V
Step1
:
Check Con. J11 to
panel LVDS
onnection
Step1
:
Check Remote
control & Battery
OK
OK
Step2
:
Check System board,
J1, P1 Connector or
U110, U5 switch IC
for a short