Pioneer x-rsm400dvh, Руководство по обслуживанию

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3-1
1. POWER (SMPS)
AUDIO ELECTRICAL TROUBLESHOOTING GUIDE
POWER (SMPS)
NO
Replace the fuse
YES
Check the fuse
F 90 1
NO
Check BD 90 1, LF 90 1, 90 2
NO
Check short of P 970 2 line
Check short of
P 970 1, P 970 2 line
NO
Check short of P 970 1 line
NO
Replace IC 90 1, 90 2
YES
Check
the DC V of C 90 5
if DC V is over
4 00 V
NO
YES
Check the
DC V of C 909 ,C 90 3,C 9 21
If DC V is in 14 ~ 1 9 V
and it is steady
Check IC 90 1, 90 2
YES
YES
Check the
DC V of C 98 1, C 9 45
If DC V is 6 .1V
YES
Check the
DC V of C 9 5 0 ,C 9 51
If DC V is in
34V
YES
OK
SECTION 3. ELECTRICAL PART