42
PG-C30XE
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Is there signal at TL614?
No
No
No
IC8029 or its peripheral circuit faulty.
Yes
No
Is there signal at pin (19) of CON2
(P8404) connecter?
Check the video
system's blue video
circuit and its
peripheral circuits.
Is there signal at pin (133) of IC8606?
Is there signal at pin (133) of IC8606?
outpur PWB faulty.
IC8606 or its peripheral circuit faulty.
Are there signals at TL8048 and
TL8049?
Are there signals at pins (85) thru (93)
of IC8020?
IC8025 or its peripheral circuit faulty.
Are there signals at pins (74) thru (83)
of IC8020?
IC8020 or its peripheral circuit faulty.
CON4 (P8405), IC8051 or their
peripheral parts faulty.
Are there signals at pins (21) thru (30)
of IC8051?
IC8609 or its peripheral circuit faulty.
output PWB faulty.
Checking the S-
XGA's blue video
circuit and its
peripheral circuits
Checking the VGA's
blue video circuit
and its peripheral
circuits
D
D
Are there signals at pins (45) thru
(49), (51), thru (53), (56) thru (58),
(60) thru (64) of IC8606?
Are there signals at pins (45) thru
(49), (51), thru (53), (56) thru (58),
(60) thru (64) of IC8606?
Yes
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-5
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 ...
