43
PG-C30XE
Checking the OSD circuit and its peripheral circuits
Display OSD on the screen.
Yes
No
Are there signals at pins (56), (58),
(71) and (72) of IC8048?
IC8029 or its peripheral circuit faulty.
Yes
No
Are there signals at pins (12), (14)
thru (17) and (20) of IC8048?
IC8048 or its peripheral circuit faulty.
Yes
No
Are there signals at pins (23) thru
(42) of IC8048?
IC8046, IC8047 or their peripheral
circuit faulty.
IC8048 or its peripheral circuit faulty.
IC8001 circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there
signals at pin (59) of CON4 (P8405)
connector?
output PWB faulty.
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Summary of Contents for PG-C30XE - Notevision XGA LCD Projector
Page 45: ...89 PG C30XE 88 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM BLOCKSCHALTBILD ...
Page 49: ...95 PG C30XE 94 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SIGNAL UNIT 1 2 SIGNALEINHEIT 1 2 ...
Page 50: ...97 PG C30XE 96 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SIGNAL UNIT 2 2 SIGNALEINHEIT 2 2 ...
Page 59: ...115 PG C30XE 114 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë VIDEO UNIT VIDEOEINHEIT ...