Pioneer VSX-LX53 Service Manual page 66

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(23) Remove the two Locking Card Spacers,
A
using Pliers.
(24) Remove the two Nylon Rivets.
(25) Remove the 14 screws. (ABA7085)
(26) Remove the POWER AMP ASSY.
23
B
Locking Card Spacer
[2-4] Assembling of the POWER AMP ASSY
(1) Attach the POWER AMP ASSY to the Heat
Sink, using the 14 screws (ABA7085) and
two Nylon Rivets.
(Refer to the steps (23) and (24) of "[2-3]
Remove the POWER AMP ASSY")
C
Note: Apply even coatings of silicon grease
(GEM1057) on the Heat Sink side of the
transistors.
TE
L 13942296513
(2) Attach the PRESTAGE ASSY (with the Right
Angle), using the seven connectors and the
Nylon Rivet.
(Refer to the steps (21) and (22) of "[2-3]
Remove the POWER AMP ASSY")
D
(3) Attach the two Locking Card Spacers to the
Chassis.
3
Locking Card Spacer
(4) Allocate the POWER AMP Unit.
E
(5) Attach the six screws. (BBZ30P080FCC)
(6) Fix the POWER AMP ASSY on the head of
the two Locking Card Spacers.
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(7) Attach the two Nylon Rivets.
F
(8) Connect the one connector.
(9) Fix the jumper wire to the BIND DM CABLE
ASSY.
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Chassis
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Locking Card Spacer
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25
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24
POWER AMP ASSY
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VSX-LX53
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Heat Sink
POWER AMP Unit
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Power Transformer
5
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CN5701
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BIND DM CABLE ASSY
4
9 9
24
2 8 9 9