41
SC-09TX
5
6
7
8
5
6
7
8
A
B
C
D
E
F
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
OK
NG
No audio output from the Preout connector (Assys)
Failure in the digital small-signal system block
Failure in the DIR
or its peripheral
circuits
Failure in circuits
(selector, etc.) on the
path from the input
connector, with which
no sound output is
available, to the DIR
Check if sound is output when the "SRC" audio parameter
is set to OFF.
Check if the DIGI BRIDGE Assy is
properly connected. (Is a pin bent and/or
short-circuited?)
Poor connection
of connectors or
improper repair
work
Failure in circuits (selector,
etc.) on the path from
the DIR to the DIGI
BRIDGE Assy
Failure in an oscillation circuit in
the periphery of the X1001, or
the SRC or its peripheral circuits
Is power to the DAC (V + 3DA and V + 5DA) output?
Is ±15-V power output from the OP amp, which is
located at the stage after the DAC?
Failure in the regulator for V + 5DA
or the power-supply block connected
to that regulator
Failure in the DAC or
its peripheral circuits
Poor connection of connectors
on the path of power supply
Failure in the
A/D converter or
its periphery
No further
diagnosis is
possible in this
state.
Failure in the D/A converter
1
Input a PCM signal (signal from a
CD, etc.) to COAX.
2
Set the listening mode to Pure Direct
(PCM
Direct).
3
Set the signal switch to Auto or PCM.
After the above settings are completed,
are signals output from FD, BCK, and
LRCK on the DIGI BRIDGE Assy?
Failure in the
DSP
No further
diagnosis is
possible in this
state.
Failure in the DIR
If audio signals are input to the
COAX, OPT, and FRONT OPT
connectors, is sound of those
signals output?
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
