Read Sharp PG-M15 (serv.man4) Service Manual online
33
PG-M15X
PG-M15S
AN-M15T
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
Start
Check JP1 Pins (25), (26) and
(27)(RGB input)
(27)(RGB input)
Check U11
Check JP2 is short circuit or not
Change DMD PWB unit
* When you fix it, suggest use white frame or RGBW color display.
End
Check U9 A/D coverter or
U7 (for DVI)
U7 (for DVI)
2-2-2. Color abnormal (VGA)
Click on the first or last page to see other PG-M15 (serv.man4) service manuals if exist.