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NO PICTURE / NO SONUD
Is any OSD displayed?
Check receiving system in MENU
& excute Auto-program.
OK
OK
NO
Check/ Replace
IC01
No
Go to
NO SOUND /
PICTURE OK
Does the Auto-program
operate properly.
Store in manual-program MENU
Check 5V, 33V & IIC Bus Line
of TUNER
Is the CVBS signal OK.
( IC01 pin40 )
Check R,G,B signal
at IC501 pin51,52,53
Check
5V, 33V &
IIC Bus Line
OK
NO
NO
OK
OK
Check / Replace
IC01,TUNER
NO
OK
Check / Replace
CPT Board component
Check
CVBS singal Line
& IC01
Check IK
signal at IC01 pin50
(similar to CVBS)
Check IC01 pin50,51,52,53
(IK,R,G,B)
OK
NO
