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2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS
NO RASTER
(OSD IS NOT DISPLAYED)
J403
PIN5, PIN6
5V?
YES
J403 PIN9
5V?
YES
J403 PIN10
5V?
YES
CHECK
PULSE AS
CONTACTING SCOPE
PROBE TO CAUTION LABEL.
(CONTACT PROBE TO
CAUTION LABEL.
CAN YOU SEE PULSE
AT YOUR
SCOPE?
YES
REPLACE CCFL LAMP
IN THE LCD MODULE
NO
NO
NO
NO
- 17 -
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 DIM-ADJ
PORT
LIPS
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