Diagnosis - Pioneer 31-3043 Service Manual

7.3 DIAGNOSIS

POWER PACK (MOTHER ASSY : IC401 and IC402) (At Bottom Side)
1
Cut six portions on the Under Base by nipper
and remove a Cover.
2
Diagnose the POWER PACK (IC401 and IC402).
Front
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.)
After cutting the Under base and the Cover with a pair of nippers, be sure to smooth roughness from the
edges to protect the user from a risk of damage caused by sharp edges.
Front
1
IC401
22
1
IC402
22
3
Turn the Cover.
A
B
4
Fix the Cover with the four screws
(BBZ30P080FMC),and stick the UL caution card
(Part No : AAX-313) to the prescribed position.
Front
AAX - 313
VSX-D307
B
A
UL Caution Card
(AAX-313)
AAX - 313
41