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NO RASTER
(OSD IS NOT DISPLAYED)
CHECK P702
1
VOLTAGE PIN5,6
(5V)?
P702 PIN9 5V?
2
CHECK P702
PIN10
CHECK
PULSE AS
CONTACTING PROBE
3
TO THE LAMP
WIRE OF THE
LCD MODULE
REPLACE LCD MODULE
Waveforms
1
P702-#5,6
2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS
YES
YES
YES
YES
2
P702-#10
NO
NO
NO
NO
3
LAMP CURRENT
- 16 -
CHECK POWER BOARD
(LIPS)
CHECK IC501 INVERTER
ON/OFF PORT
1. CONFIRM BRIGHTNESS
OSD CONTRL STATUS
2. CHECK MICOM DIM-ADJ
PORT
POWER BOARD (LIPS)
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