9-9
FL9.5TR
Check SP801,SP802 and their periphery circuit,
and service it if defective.
Are the audio(L/R) signals inputted to Pin(1, 44)
of IC801?
Yes
Yes
No
Are the audio(L/R) signals outputted to CN801 and
CN802?
Check IC801 and their periphery circuit, and
service it if defective.
No
Yes
Yes
Yes
Yes
Check the line between Pin(8, 10) of CN202 and
Pin(1, 44) of IC801, and service it if defective.
Yes
(Output to speakers)
Yes
(Output to audio
output terminal)
FLOW CHART NO.2
Audio does not appear normally. (Tuner input)
Are the audio(L/R) signals outputted to Pin(8, 10) of
CN202?
No
No
No
Replace Digital Main CBA Unit.
Replace Digital Main CBA Unit.
Are the audio(L/R) signals outputted to Pin(4, 6) of
CN202?
No
Are the audio(L/R) signals inputted to Pin(3, 5)
of IC803?
Check the line between Pin(4, 6) of CN202 and
Pin(3, 5) of IC803, and service it if defective.
No
Are the audio(L/R) signals outputted to Pin(1, 7)
of IC803?
Check the line between Pin(1, 7) of IC803 and audio
output terminal(JK722, JK723) and service it if defective.
Replace IC803
Check the line between Pin(3, 4) of CN201 and
Pin(12, 13) of TU101, and service it if defective.
Are the DIF signal inputted to Pin(3, 4) of CN201?
Summary of Contents for LD427SSX
Page 17: ...5 3 FL9 5 1DC 2 Rear Cabinet S 1 1 Stand Assembly S 3 S 2 S 3 S 3 S 3 S 4 S 5 Fig D1 ...
Page 62: ...11 4 FL9 5SCJP2 Jack Power 2 3 Schematic Diagram ...
Page 63: ...11 5 FL9 5SCJP3 Jack Power 3 3 Schematic Diagram ...
Page 67: ...11 9 BD Power Schematic Diagram FL9 5SCBDP ...
Page 68: ...11 10 FL9 5SCIR IR Sensor Junction Schematic Diagram ...
Page 69: ...11 11 FL9 5SCF Function Schematic Diagram ...
Page 70: ...11 12 SD Schematic Diagram FL9 5SCSD ...
Page 83: ...11 25 BD Main 8 11 Schematic Diagram FL9 5SCBD8 ...
Page 85: ...11 27 BD Main 10 11 Schematic Diagram FL9 5SCBD10 ...
Page 92: ...11 34 BA94H0F01042 A BD Power CBA Top View BD Power CBA Bottom View ...
Page 93: ...11 35 BA94H0F01042 B SD CBA Top View SD CBA Bottom View ...
