Ch
a
n
g
e P
a
nel
S
till h
a
vin
g
proble
m
s
No picture but h
a
ve sound
Check i
f
there is +5
V
a
t
Pin35 in J9
No
Repl
a
ce
the
Q
31
Y
es
Check i
f
there is +
2
6
V
a
t C931
Y
es
No
Check i
f
U3 Pin
2
0
˄
5
V
˅ǃ
Pin11
˄
5
V
˅ǃ
Pin19
˄
5
V
˅
;U5
˖
Pin
2
(0.7
2V
)
ǃ
Pin3
˄
5
V
˅ǃ
Pin4(1
2V
)
ǃ
Pin6(5.7
V
) is nor
ma
l
Ch
a
n
g
e L
V
D
S
w
ire
No
Repl
a
ce U3 or
U5
Check i
f
Q
103
ǃ
FB1
2
ǃ
D10
ǃ
D9
ǃ
R700 is
w
orkin
g
Y
es
Repl
a
ce
Q
103
ǃ
FB1
2
ǃ
D10
ǃ
D9 R700
No
S
ervice M
a
nu
a
l
Model No.:
9-2. M
a
in bo
a
rd f
a
ilure
c
he
c
k
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