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NO PICTURE/NO SOUND
(RASTER OK)
Check the 33V at Tuner
0V
Check/Replace FR848, D311,
R829, R830, ZD812
NO SKY SOUND
NO SKY PICTURE
CHECK SIGANAL
AT P03,P202A,P203A
CHECK CONECTOR
P203A,P202A,P203A
CHECK CONNECTOR
POWER IN AT STB
CHECK /REPLACE
STB ASSY
Normal
Check the waveform at the emitter
of Q205
Normal
Check the voltage at
Check/Adjust
the pin29 of IC102
VIF/SIF
0V
Check 5V Power line
CHECK/REPLACE
IC201,IC01
CHECK /REPLACE CONECTOR
P203A,P202A,P203A
CHECK/REPLACE
CONNECTOR POWER IN AT STB
& POWER IN PCB ASSY
Abnormal
5V
Check/Replace
IC102/Tuner
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