Philips 22PFL4505D/F7 - Page 27

8-7 PL10.10TR
Are the audio(L/R) signals inputted to Pin(1, 9)
of IC801?
Ye s
Ye s
Ye s
Audio is not outputted normally.(Tuner input)
FLOW CHART NO.3
Are the DIF signals outputted to Pin(26, 28) of CN302?
Check TU301 and their periphery circuit, and service
it if defective.
No
No
Are the audio(L/R) signals outputted to Pin(4, 6)
of IC801?
Check IC801 an
d 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
Are the audio(L/R) signals inputted to Pin(1, 9)
of IC801?
Ye s
Ye s
Ye s
Audio is not outputted normally.(HDMI Audio input)
FLOW CHART NO.4
Are the audio(L/R) signals inputted to Pin(5, 14)
of IC2771?
Check the line between Pin(5, 14) of IC2771 and input
terminal(JK2721, JK2722), 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
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 s
ervice it if defective.
Ye s
No
Check JK2851, SP801,SP802 and their periphery
circuit, and service it if defective.
Check JK2851, SP801,SP802 and their periphery
circuit, and service it if defective.