8-7
FL10.3TR
[ Audio Signal Section ]
Check SP801,SP802 and their periphery circuit,
and service it if defective.
Are the audio(L/R) signals inputted to the Pin(1, 44)
of IC801?
Are the audio(L/R) signals inputted to the Pin(3, 5)
of IC871?
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.
Yes
No
No
No
Are the audio(L/R) signals outputted to the Pin(1, 2)
of CN801 and CN802?
Are the audio(L/R) signals outputted to the audio
output terminal?
Check IC801 and their periphery circuit, and
service it if defective.
CN801: SP(L)
CN802: SP(R)
JK871: AUDIO(L)-OUT
JK872: AUDIO(R)-OUT
No
Yes
Are the audio(L/R) signals inputted to each pin of
CN301?
Replace Digital Main CBA Unit.
Check the line between Pin(6, 8) of CN301 and
Pin(1, 44) of IC801, and service it if defective.
Check the line between Pin(2, 4) of CN301 and
Pin(3, 5) of IC871, and service it if defective.
No
Check the line between Pin(1, 7) of IC871 and audio
output terminal(JK871, JK872), and service it if
defective.
Pin(6) :
Pin(8) :
Pin(2) :
Pin(4) :
AMP(L)-OUT
AMP(R)-OUT
AUDIO(L)-OUT
AUDIO(R)-OUT
No
Summary of Contents for 32MF330B/F7
Page 14: ...4 2 FL10 3DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 4 S 2 S 3 S 2 S 2 S 4 S 4 Fig D1 ...
Page 46: ...10 4 FL10 3SCM2 Power Supply 2 Schematic Diagram ...
Page 47: ...10 5 FL10 3SCM3 Power Supply 3 Jack Schematic Diagram ...
Page 48: ...10 6 FL10 3SCM4 Power Supply 4 Schematic Diagram ...
Page 50: ...10 8 FL10 3SCF Function Schematic Diagram ...
Page 51: ...10 9 FL10 3SCIR IR Sensor Junction Schematic Diagram ...
