JVC LT-19D200 - Page 27

(No.YA711<Rev.002>)1-27
Check 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.(Tuner input)
FLOW CHART NO.3
Are the DIF signals outputted to Pin(26, 28) of CN302?
Check TU302 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 and their per
iphery 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 PWB 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) signals outputted to Pin(1, 7)
of IC803?
No
Ye s
Replace IC803
No
Check 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.(HDMI Audio input)
FLOW CHART NO.4
Are the audio(L/R) signals inputted to Pin(5, 14)
of IC771?
Check the line between Pin(5, 14) of IC771 and input
terminal(JK721, JK722), 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
Ye s
Are the audio(L/R) signals inputted to Pin(6, 8) of
CN301?
Replace Digital Main PWB 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) signals outputted to Pin(1, 7)
of IC803?
No
Ye s
Replace IC803
No