8-8
A91N2TR
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
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
Check JK851, SP861,SP862 and their periphery
circuit, and service it if defective.
Check JK851, SP861,SP862 and their periphery
circuit, and service it if defective.
Summary of Contents for 19PFL3504D/F7
Page 14: ...4 2 A91N2DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 2 S 3 Fig D1 ...
Page 18: ...4 6 A9172DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 2 S 3 Fig D1 ...
Page 46: ...10 3 A91N2SCM1 Main 1 4 Schematic Diagram 19PFL3504D F7 ...
Page 47: ...10 4 A91N2SCM2 Main 2 4 Schematic Diagram 19PFL3504D F7 ...
Page 48: ...10 5 A91N2SCM3 Main 3 4 Schematic Diagram 19PFL3504D F7 ...
Page 50: ...10 7 A9172SCM1 Main 1 4 Schematic Diagram 22PFL3504D F7 ...
Page 51: ...10 8 A9172SCM2 Main 2 4 Schematic Diagram 22PFL3504D F7 ...
Page 52: ...10 9 A9172SCM3 Main 3 4 Schematic Diagram 22PFL3504D F7 ...
Page 54: ...10 11 A91N2SCJ Jack Schematic Diagram ...
Page 55: ...10 12 A91N2SCF Function Schematic Diagram ...
Page 56: ...10 13 A91N2SCIR IR Sensor Junction Schematic Diagram ...
Page 71: ...10 28 BA91N2F01021 A Jack CBA Top View ...