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5
5.1.2 UNIT DIAGNOSIS
No audio output from the Preout connector
Failure in the analog small-signal system block
(In the following procedures for identification of the defective Assy, connection of the special tool
for extension of HDMI Assy is required.)
No output from
A-Bridge4
detected
No output from
A-Bridge3
detected
No output from
A-Bridge2
detected
Possible causes:
Failure in the A-AUDIO
Assy, V-AUDIO Assy, REC
SEL Assy, or the Assy
being connected, or poor
connection of connectors
No audio output from the ZONE2 OUT (Analog) connector
Failure in the analog small-signal system block
(In the following procedures for identification of the defective Assy, connection of the special tool
for extension of HDMI Assy is required.)
No buffer output
from the REC
SEL detected
No buffer input
to the REC
SEL detected
Possible causes:
Failure in the V-AUDIO
Assy, A-AUDIO Assy, or
the Assy being connected,
or poor connection of
connectors
5
6
No output from
A-Bridge4
detected
No output from
A-Bridge3
detected
Output from
A-Bridge2
detected
Possible causes:
Failure in the MULTI CH
IN Assy, or the Assy
being connected, or poor
connection of connectors
No buffer output
from the REC
SEL detected
Buffer input
to the REC
SEL detected
Failure in the REC SEL Assy
SC-09TX
6
7
No output from
A-Bridge4
detected
Output from
A-Bridge3
detected
Possible causes:
Failure in the VOLUME
Assy, or the Assy being
connected, or poor
connection of connectors
Possible causes:
Failure in the MULTI CH
IN Assy, MOTHER1 Assy,
or the Assy being
connected, or poor
connection of connectors
7
8
Output from
A-Bridge4
detected
Possible causes:
Failure in the PREOUT
Assy, or the Assy being
connected, or poor
connection of connectors
Buffer output
from the REC
SEL detected
39
8
A
B
C
D
E
F
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