MHC-V44D
30
1.
“PROTECT3” is displayed on the
fl
uorescent indicator tube after turning the power on
DAMP
Mount Diagnosis Flow (1/2)
"PROTECT3" is displayed on the
screen display panel after turning
the power on.
Ye
s
Check that DAMP
board IC2002
pin 27, 32, 35 and 39 is short to
GND.
No
No
Check and replace the speaker
.
"PROTECT3" is not displayed,
when removing the speaker and
turning the power on.
Ye
s
Ye
s
Exchange DAMP
board IC2002
(6-721-742-01)
No
Ye
s
DAMP
board damage. Exchange
complete DAMP
board.
Exchange DAMP
board IC2003
(6-721-742-01)
Check that DAMP
board IC2003
pin 27, 32, 35 and 39 is short to
GND.