Debug Procedure
NO
Solution with
No display
NO
CHK R1(R ),
R2 (G),R3(B)
C1，C2，C3
JP1 , +12V
INPUT
Does the
screen
l
NO
Lost some
bits
of RGB??
YES
CHK U4
pin 79~86
RETURN
YES
Display
ok ?
YES
CHK OSD
U4 pin119~124
(PUSH KEY SWITCH)
LT1201 User Manual | 15 |