three
、
The red led light
,
but turn to other color after power on and black display
change switch
find if there is
icon on the
screen
follow no
picture to check
Yes
check mainboard
J15;check the
line
No
Yes
mend
check LVDS
signal
No
1、LVDS ON is
hign or not
2、check PW113
sync、pixel
clock、RGB data
sinal
No
checkDS90c383
power supply
Yes
check PW113
output port ;
change PW113
No
check power
supply
No
check DS90C383,
change
Yes
check PW113
sync、pixel
clock、RGB data
sinal
Yes
check crystal
frequent;check
PW113;change
Yes
45
Содержание H-PDP4201
Страница 14: ...PW113 Block Diagram 14 ...
Страница 18: ...18 ...
Страница 19: ...PW1235 Block Diagram 2 2 5 TA2024 general 19 ...
Страница 23: ...DS90CF383 Block Diagram 23 ...
Страница 26: ...26 ...
Страница 51: ...Annex 1 装配图 51 ...
Страница 52: ...Annex 2 52 ...
Страница 53: ...电源滤波器组件 内 联 电 源 线 主板组件 按键板组件 板组件 53 ...