Pioneer VSX-03TXH Service Manual page 69

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2. Diagnosis
1
POWER AMP Assy
1
Remove the Rear Panel.
2
Remove the MAIN Assy (equipped with HDMI&DVC Assy
and DSP&USB Assy) and the AUDIO IN Assy from the
INTERFACE Assy.
3
Discharge C5721 and C5722.
(See the "discharge procedures.")
4
Remove the two screws that fix the Regulators attached to
the Chassis.
5
Remove the two Push Rivets and the two screws that fix the
POWER AMP Assy.
Push
Rivet
TE
L 13942296513
POWER AMP Assy
6
Remove the two screws that fix the diode of the DIODE Assy.
7
Reassembling the MAIN Assy (equipped with HDMI&DVC
Assy and DSP&USB Assy) and the AUDIO IN Assy to the
INTERFACE Assy.
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8
Reassembling the Rear Panel.
(Keep a space for earth and about six to seven screws fixing
places. Do not attach screws with the Chassis.)
.
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6
Regulator
6
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2 9
8
9
Remove the Locking Card Spacer from the Chassis using
Cutting Pliers.
10
Remove the four screws that fix the Heat Sink V5S.
11
Cut the Binder.
12
Remove the four screws that fix the Power Transformer. Place a
high insulating material under the Power Transformer to raise it.
4
13
Raise the block and diagnose the POWER AMP Assy B side.
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Caution:
Fix the DIODE Assy to the Rear Panel with Tape so that it will
not come closer to other Assy.
Tape
DIODE Assy
co
.
VSX-03TXH
7
8
9 4 2 8
Locking Card Spacer
(for fixing the Assy)
9
Cutting Pliers
0 5 8 2 9 9 4 2 8
DIODE Assy
m
Diagnosis
8
9 9
A
B
C
9 9
D
E
F
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