Philips 19PFL3504D/F7, Руководство по обслуживанию, Страница: 34 / 124

8-9 A91N2TR
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?
Yes
Yes
Yes
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 outputted to Pin(4, 6)
of IC801? Check IC801 and their periphery circuit, and
service it if defective.
No
Yes
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
Yes
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) signals outputted to Pin(1, 7)
of IC803?
No
Yes
Replace IC803
No