Sharp PG-M15X Service Manual page 33

2-2-1. White Screen or Garbage Pattern
Start
Check JP1 H, V SYNC in
Check U9 GH, GV SYNC
Check U17 Pin (5) DCLK
Check U16 Pin (5) MCLK
End
2-2-2. Color abnormal (VGA)
Start
Check JP1 Pins (25), (26) and
(27)(RGB input)
Check U9 A/D coverter or
U7 (for DVI)
Check U11
Check JP2 is short circuit or not
Change DMD PWB unit
End
* When you fix it, suggest use white frame or RGBW color display.
33
PG-M15X
PG-M15S
AN-M15T