Philips 19PFL3505D/F7 - Page 33

8-9 PL10.0TR
Check JK851, SP861,SP862 and their periphery
circuit, and service it if defective.
Are the audio(L/R) signals inputted to Pin(1, 9)
of IC801?
Ye s
Ye s
Ye s
Audio is not outputted normally.(PC Audio input)
FLOW CHART NO.5
Are the audio(L/R) signals inputted to Pin(1, 12)
of IC771?
Check the line between Pin(1, 12) of IC771 and input
terminal(JK711), and service it if defective.
No
No
Are the audio(L/R) signals outputte
d to Pin(4, 6)
of IC801?
Check IC801 an
d their periphery circuit, and
service it if defective.
No
Ye s
Are the audio(L/R) signals inputted to Pin(6, 8) of
CN301?
Replace Digital Main CBA Unit.
Check the line between Pin(1, 7) of IC803 and
Pin(1, 9) of IC801, and service it if defective.
Are the audio(L/R) signals inputted to Pin(3, 5)
of IC803?
No
Ye s
Check the line between Pin(6, 8
) of CN301 and
Pin(3, 5) of IC803, and service it if defective.
Are the audio(L/R) si
gnals outputted to Pin(1, 7)
of IC803?
No
Ye s
Replace IC803
No