MHC-V71/V71D
31
MOTHERBOARD Board Mount
Amplifier Dianogsis Flow (3/3)
3.
IC and MOT
HERBOARD board after replace checking guide
After
IC2002
and
MOTHERBOARD
board
changed,
check
as
below:
N
o
Vo
lu
m
e
se
t t
o
M
ax
, s
ou
nd
fi
el
d
se
t t
o
de
fa
ul
t,
M
eg
a
Ba
ss
s
et
to
“O
N
”.
Play song “Billie Jean By Michael Jackson” for 2 minutes. Check for any abnormality: Protect 3 displayed/ Set Reset to DEMO/ No display etc.
R
ep
ai
r is
s
uc
ce
ss
fu
l.
As
se
m
bl
y
ba
ck
th
e
se
t.
M
ak
e
su
re
c
on
ne
ct
th
e
co
nn
ec
to
r (
C
N
20
21
).
Ex
ch
an
ge original damaged IC.
Y
es
First time repair?
MOTHERBOARD board damaged. Exchange complete MOTHERBOARD board.
Y
es
N
o
SYS SET
2018/05/30 01:52:46 (GMT+09:00)
