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3. DMD board trouble shooting guide.
RESETZ And
POWERGOO
D?
YES
Color wheel
Spinning?
YES
Color wheel
Feedback (J3
pin3) ok?
YES
Lamp light ok?
YES
Normal Image
on screen ?
(32-Gray Pattern
in Factory mode
Horizontal dark/bright lines
is
recommended)
Vertical dark/bright lines
Color missing
All manuals and user guides at all-guides.com
1. No RESETZ check main board and
NO
translation board.
2. No POWERGOOD check main board
1. Check Color wheel and CW connector (J4)
NO
2. CW power supply P12V of U13
NO
1. Check CW sensor board and CW tag
2. Feedback 150Hz
1. Check J1 pin 1 (lampon) , normal status is
NO
low
2.
Check J1 pin 3(lamp light feedback) should
be low.
DMD pixels always on
Check DMD socket.
Check C-spring
Check DMD B/D : DAD1000(U1) VCC (5V), VBIAS
(23 ~ 26V), VRST (-26V)
Check C-spring
Check DMD socket.
43
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