MANI
BOARD
FAULT
JUDGMENT
Display
trouble
The PIN8 of U32 >8.5 V ?
Or the PIN6 U22>3V?
Picture
not
in
center
PC mod e
Picture
dithering
Check
RGB
signal
of
U10
/
CT
622E
Check
the
Hs
and
VS
Au to
ad just
Check
the
RGB
circuit
Color
auto
adjust
Auto
adjust
PC
no
signal
M i s s
c o l o r
,
deflection
color
Check
HS
/
VS
Check
the
circuit
o f
H S
/
V S
9
OK
Che ck
the
inp ut
ci rcu it
of
si gna l
Che ck
U1 0
(
CT62 2E
)
1
.
pow er
supp ly
2
.
cl oc k
si gna l
3
.
reset
si gna l
4
.
timing
log ic
of
pow er
Check
the
video
source
No
signal
INPUT
Function
trouble
