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3. NO RASTER (OSD IS NOT DISPLAYED) – GM5221(FE2010)
NO RASTER
(OSD IS NOT DISPLAYED)
U201
POWER PIN11, 50
(3.3V)?
YES
U201
PIN169, 170
OSCILLATE AS
14.318MHZ?
YES
U201
PIN181 IS 64KHz H-SYNC?
PIN182 IS 60Hz V-SYNC?
IS PULSE APPEARED
AT SIGNAL PINS?
AT MODE 12?
YES
TROUBLE IN CABLE
OR LCD MODULE
NO
NO
NO
- 19 -
CHECK U401
1. CHECK PIN169, 170
SOLDERING CONDITION
2. CHECK X201
3. TROUBLE IN U201
CHECK CONNECTION LINE
FROM D-SUB TO U2 01
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