8-8
A91N3TR
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.(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 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.(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
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
Summary of Contents for 19MF339B/F7
Page 14: ...4 2 A91N3DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 4 S 2 S 2 S 3 S 3 S 2 Fig D1...
Page 18: ...4 6 A9170DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 4 S 2 S 3 S 2 Fig D1...
Page 46: ...10 3 A91N3SCM1 Main 1 4 Schematic Diagram LC195SLX LC195EMX LC195SSX 19MF339B F7...
Page 47: ...10 4 A91N3SCM2 Main 2 4 Schematic Diagram LC195SLX LC195EMX LC195SSX 19MF339B F7...
Page 48: ...10 5 A91N3SCM3 Main 3 4 Junction B Schematic Diagram LC195SLX LC195EMX LC195SSX 19MF339B F7...
Page 50: ...10 7 A9170SCM1 Main 1 4 Schematic Diagram 22MF339B F7 LC225SSX...
Page 51: ...10 8 A9170SCM2 Main 2 4 Schematic Diagram 22MF339B F7 LC225SSX...
Page 52: ...10 9 A9170SCM3 Main 3 4 Junction B Schematic Diagram 22MF339B F7 LC225SSX...
Page 54: ...10 11 A91N3SCJ Jack Junction C Schematic Diagram...
Page 55: ...10 12 A91N3SCF Function Junction A Schematic Diagram...
Page 70: ...10 27 BA94N0F01021 A Jack CBA Top View...
