2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS
NO RASTER
(OSD IS NOT DISPLAYED)
J403 | NO | |||||
PIN5, PIN6 |
|
|
| |||
|
|
|
| |||
|
|
|
| |||
5V? |
| |||||
|
|
|
|
|
| |
| YES |
| ||||
|
|
|
|
| NO | |
|
|
|
|
| ||
J403 PIN9 |
| |||||
| ||||||
5V? |
| |||||
|
|
|
|
|
| |
| YES |
| ||||
|
|
|
|
| NO | |
|
|
|
|
| ||
J403 PIN10 |
| |||||
5V? |
| |||||
|
|
|
|
|
| |
YES
CHECK
PULSE AS
CONTACTING SCOPE
PROBE TO CAUTION LABEL.NO (CONTACT PROBE TO
CAUTION LABEL.
CAN YOU SEE PULSE
AT YOUR
SCOPE?
YES
REPLACE CCFL LAMP
IN THE LCD MODULE
CHECK POWER BOARD, AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE
CHECK MICOM INV
ON/OFF PORT.
1.CONFIRM BRIGHTNESS OSD CONTRL STATE.
2.CHECK MICOM
LIPS
Copyright 2007 LG Electronics. Inc. All right reserved. | LGE Internal Use Only |
Only for training and service purposes | - 19 - |
|
