CHK
U5 pin 33~36
(PUSH KEY SWITCH)
DPWBN5396T8---B
Debug Procedure
J3 , +12V
INPUT
Does the screen
Display?
Solution with
No display
(2)
NO
Display
ok ?
YES
Loss of
RGB??
Lost some
bits
of RGB??
YES
NO
YES
CHK
LP2 ~ LP3
CHK R7(R ),
R5(G),R3(B)
NO
YES
NO
ViewSonic Corporation
12
Confidential
– Do Not Copy
V
E
500
-1