Philips 22PFL4505D/F7 - Page 28

8-8 PL10.10TR
Check JK2851, SP801,SP802 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 IC2771?
Check the line between Pin(1, 12) of IC2771 and
input terminal(JK2711), and service it if defective.
No
No
Are the audio(L/R) signals outputted to Pin(4, 6)
of IC801?
Check IC801 and their periphery circuit, and
service it if defective.
No
Are the audio(L/R) signals inputted to Pin(6, 8) of
CN301?
Replace Digital Main CBA Unit.
Check the line between Pin(6, 8) of CN301 and
Pin(1, 9) of IC801, and service it if defective.
Ye s
No