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Thoubleshooting
27MHz/30MHz clock of 106, 152 pin
HSYNCM, VSYNCM, VDATA[7:0] are
output to 121, 119 pin?
HSYNCM, VSYNCM, VDATA[7:0] are
Video signal is output from VIC31?
Signal is output from amp?
Normal analog signal is output from
Check input/output of TR after LPF
5-18
F
are normal?
Yes
Yes
input in VIC31?
Yes
Yes
Yes
LPF?
Yes
No
Check X-TAL peripheral unit
No
Check data line between VIC1
and memory
No
Check data line between VIC1
and VIC31
No
Check IREF, VREF, power of
No
Check amp
No
Check connection
VIC31
Samsung Electronics
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