8-7
FL10.1TR
[ Audio Signal Section ]
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?
Yes
Yes
Yes
Audio is not outputted normally.(Audio input)
FLOW CHART NO.1
Are the audio(L/R) signals inputted to Pin(2, 15)
of IC771?
Check the line between Pin(2, 15) of IC771 and input
terminal(JK753, JK754), 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
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?
Yes
Yes
Yes
Audio is not outputted normally.(Component Audio input)
FLOW CHART NO.2
Are the audio(L/R) signals inputted to Pin(4, 11)
of IC771?
Check the line between Pin(4, 11) of IC771 and input
terminal(JK741, JK742), 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
Содержание FL10.1
Страница 14: ...4 2 FL10 1DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 5 S 2 S 4 S 3 S 2 S 2 S 2 Fig D1...
Страница 39: ...10 3 FL10 1SCM1 Main 1 Schematic Diagram...
Страница 40: ...10 4 FL10 1SCM2 Main 2 Schematic Diagram...
Страница 41: ...10 5 FL10 1SCM3 Main 3 Junction B Schematic Diagram...
Страница 43: ...10 7 FL10 1SCJ Jack Junction C Schematic Diagram...
Страница 44: ...10 8 FL10 1SCF Function Junction A Schematic Diagram...
