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5. No audio output
(OPT)
Is there a connection between the TV and this
unit?
YES
Check the input of BUFFER IC (DIGITAL PCB)
Is the SPDIF signal OK?
[IC437, 2pin]
OK
Check the input of DIR (DIGITAL PCB)
Is the SPDIF signal OK?
[IC432 : 33pin]
OK
Check the input of PLD (DIGITAL PCB)
[IC431 : 35pin] DIRA_MCLK
[IC431 : 36pin] DIRA_BCLK
[IC431 : 37pin] DIRA_LRCK
[IC431 : 38pin] DIRA_DATA
OK
See
"Check the input of
DSP*1" in item 2
6. No audio output
(COAX)
Is there a connection between the TV and this
unit?
YES
Check the input of BUFFER IC (DIGITAL PCB)
Is the SPDIF signal OK?
[IC435 : 13pin]
OK
Check the input of DIR (DIGITAL PCB)
Is the SPDIF signal OK?
[IC432 : 31pin]
OK
Check the input of PLD (DIGITAL PCB)
[IC431 : 35pin] DIRA_MCLK
[IC431 : 36pin] DIRA_BCLK
[IC431 : 37pin] DIRA_LRCK
[IC431 : 38pin] DIRA_DATA
OK
See
"Check the input of
DSP*1" in item 2
NO
Connect TV to this unit according to "QSG".
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [OPT terminal JK431]
is faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC437 BUFFER IC] is
faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC432 DIR IC] is
faulty.
NO
Connect TV to this unit according to "QSG".
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [COAX terminal
JK472] is faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC435 BUFFER IC] is
faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC432 DIR IC] is
faulty.
7. No audio output
(LINE IN)
Is there a connection between the Input Source
and this unit?
YES
Check the input of Volume IC (DIGITAL PCB)
Is the ANALOG signal OK?
[IC480 : 45pin] LINE_IN_R
[IC480 : 46pin] LINE_IN_L
OK
Check the input of DIR (DIGITAL PCB)
Is the ANALOG signal OK?
[IC432 : 47pin] VINL
[IC432 : 48pin] VINR
OK
Check the input of PLD (DIGITAL PCB)
[IC431 : 29pin] ADCA_DATA_INPUT
[IC431 : 30pin] ADCA_LRCK
[IC431 : 33pin] ADCA_BCLK
[IC431 : 35pin] ADCA_MCLK
OK
See
"Check the input of
DSP*1" in item 2
48
NO
Connect input source to this unit according to
"QSG".
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [LINE IN terminal
JK472] is faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC480 Volume IC] is
faulty.
NG
Check the soldering of peripheral parts.
If there are no abnormalities, [IC432 DIR IC] is
faulty.
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