Sharp XG-MB67X - Basic Operation; Turning the Projector On

XG-MB67X
8 – 4
YES
Is approx. 7 V applied to
TL9303?
NO Check IC9301 and peripheral circuits.
YES
Is approx. 26 V applied to
TL9301?
NO Check IC9301 and peripheral circuits.
YES
Is approx. -26 V applied to
TL9302?
NO Check IC9301 and peripheral circuits.
YES
The main PWB and DMD PWB
are in poor contact. Check the
contact surface for dirt and
smear. Check the DMD con-
nector for breakage. Reassem-
ble the DMD, optical
mechanism, and DMD PWB.
1