HCD-SHAKEX1/SHAKEX3/SHAKEX7
28
4CH DAMP
/ MOTHERBOARD Mount Diagnosis Flow (2/2)
END
Checks OUT Terminal 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
4CH 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 4CH DAMP Board
Replaces 4CH 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 4CH DAMP Mount to a state of it only
and, checks Power
Audio Driver (MOSFET) with T
ester
.
Is it shorted out? (Refer to Page 29.)
4CH DAMP Board
Ver. 1.1
