MHC-V7D
31
2CH DAMP
/ MOTHERBOARD Mount Diagnosis Flow (2/2)
END
Checks OUT
T
erminal 7V output of REG IC1006 or
,
checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Assembles into the unit again then, checks
whether there is the audio output from
2CH DAMP Board.
Checks circumference circuit of REG IC1006.
If there are no problems, exchanges IC1006.
Checks circumference circuit of REG IC1007.
If there are no problems, exchanges IC1007.
Replaces 2CH DAMP Board
Replaces 2CH DAMP Board
A
B
Yes
Yes
Yes
Yes
No
No
No
No
Checks OUT
T
erminal -7V output of REG IC1007 or,
checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Leave 2CH DAMP Mount to a state of it only
and, checks Power
Audio Driver(MOS FET) with T
ester
.
Is it shorted out? (Refer to Page 32.)
2CH DAMP Board
Summary of Contents for MHC-V7D
Page 103: ...MEMO MHC V7D 103 Ver 1 1 ...