33
PG-C30XE
No or unusual Y signal
Yes
No
Go back to the signal processing
block.
No
Check IC801 and its peripheral
circuits.
Yes
No
Check IC803 and its peripheral
circuits as well as IC805 (AGC).
Yes
Check IC803 and its peripheral
circuits.
Is there Y signal output at pin (17) of
IC803?
Is there Y signal output at pin (40) of
IC801?
Is there Y signal input at pin (21) of
IC801?
No or unusual horizontal sync
Yes
No
Check IC801 and its peripheral
circuits.
Yes
No
Is there horizontal sync pulse output
at pin (9) of IC603?
Check the pulse shaping circuit of
IC602 and IC603.
Check IC604 and its peripheral
circuits, and go to "Trouble shooting
table for PC I/F unit".
Is there horizontal sync pulse output
at pin (56) of IC801?
No or unusual vertical sync
No
Check IC801 and its peripheral
circuits.
Yes
Check IC604 and its peripheral
circuits, and go to "Trouble shooting
table for PC I/F unit".
Is there vertical sync pulse output at
pin (4) of IC801?
TROUBLE SHOOTING TABLE
(Continued)
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 ...
