Dolby Laboratories 31-3043, STAV-3770 service manual VSX-D307 7.3 DIAGNOSIS, IC401, IC402

VSX-D307

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.

Front

3 Turn the Cover.

AB

BA

2 Diagnose the POWER PACK (IC401 and IC402).

Front

1

IC401

22

1

IC402

22

4 Fix the Cover with the four screws (BBZ30P080FMC),and stick the UL caution card (Part No : AAX-313) to the prescribed position.

Front

UL Caution Card

(AAX-313)

AAX - 313

AAX - 313

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.

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