Diagnosis - Pioneer VSX-D458 Service Manual

VSX-D458
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7.2 DIAGNOSIS

How to Diagnose the P-PACK (IC301, IC302 AND IC303) (At Bottom Side)
1
Cut six portions on the Under Base by nipper
and remove a Cover.
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L 13942296513
2
Diagnose the P-PACK (IC301, IC302 and IC303).
Front
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.
CAUTION :
After performing the above operation, be sure to stick the UL caution card(Part No. : AAX-313) to the prescribed position.
(It is required by the UL regulations.)
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Front
1
IC302
22
1
IC303
15
1
IC301
22
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2 9
8
3
Turn the Cover.
A
B
Q Q
3 6 7 1 3 1 5
4
Fix the Cover with the three screws
(BBZ30P080FMC) and stick the UL Caution Card
(AAX-313).
co
.
9 4 2 8
B
A
0 5 8 2 9 9 4 2 8
Front
AAX - 313
m
9 9
9 9