Change Panel
Still having
problems
No picture but h
ave sound
Check if there is +5V at
Pin35 in CN204
No
Replace
the
Q101
Yes
Check if there is
+30V at C931
Yes
No
Change LVDS wire
No
Replace U3 or
U5
Check if Q103
、
D10 D9
Yes
Replace
Q103
、
D10
D9
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
- 38 -
Pin6(5.7V) is normal
Chcek if U3 Pin20(3.3V)
Pin11(5V)
Pin19(5v)
U5 Pin2(0.72V) Pin3(5V)
Pin4(12V)
is working