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MHC-V44D
31
2.
The sound is not outputted
Check that the signal is input to
DAMP
board IC2001 pin 24 and 27.
The sound is not outputted.
Ye
s
Ye
s
Replace FFC insert to DAMP
Board
CN2004.
No
Exchange DAMP
board IC2001
(6-718-105-01)
No
Exchange DAMP
board IC2002
(6-721-742-01)
No
Ye
s
Check that the PWM signal is
outputted from the following pins.
DAMP
board IC2001 pin 38, 39,
42, 43, 48 and 49.
Check that the signal is outputted
from DAMP
board IC2002
pin 35 and 39 (SP
FRONT
R)
pin 27 and 32 (SP
FRONT
L)
Exchange DAMP
board IC2003
(6-721-742-01)
No
Ye
s
Check that the signal is outputted
from DAMP
board IC2003
pin 27, 32, 35 and 39
(SP
WOOFER)
DAMP
Mount Diagnosis Flow (2/2)