Getting rid of function's trouble
3.fuction part
（
PC
）
13
MANI
BOARD
FAULT
JUDGMENT
The PIN8 of U32 >8.5 V ?
Or the PIN6 U22>3V?
Inp ut sign al is
no rmal or no t
N
Y
N
Y
In the PC mode
Los s co lor or
co lor is wr on g
VS an d HS sign al
ar e stabl e or no t
Pict ur e jitter
P
ic
tu
re
is
n
o
t m
id
d
le
N
o
s
ig
n
a
l
Au
to
tu
ne
Sy
ste
m
c
o
nfi
g
ure
is w
ro
ng
a
nd
re
se
t
In
p
ut
th
e r
ig
ht
sig
na
l
OSD
co
nfig
ure
isn
ot m
atc
hed
,
ple
ase
inp
ut
tim
ing
a
ga
in
M
a
in
te
na
nc
e t
he
c
irc
uit
o
f
VS
、
H
S
M
a
in
te
na
nc
e
VS
、
H
S c
irc
uit
By Peripheral equipment the signal is OK?
U2 power supply is OK?
Maintenance U12
、
Q14
、
FB12
a n d re l a ti v e c o m p o n e n t
N
Y
Y
N
If Don't display the picture
Getting rid of function's trouble
4.fuction part
（
dual
HDMI
）
Maintenance U2 peripheral circuit
and the output signal is ok?
Maintenance Peripheral signal equipment and
replace the input signal of Peripheral equipment
In HDMI mode
