Five
、
picture dissimilation
picture
dissimilation
mosaic phenomena
check PW113
power
check liner
voltage circuit
No
change PW113
change memorizer
U19 24LC32A,
check PW113 and
U19
No
colour
dissimilation
source switch if
one mode is well
or not
only VGA colour
dissimilation
only DVI colour
dissimilation
all colour
dissimilation
check AD9883A
and 74LV16244
R、G、B digital
signal
check Sil161B与
and 74LV16244
R、G、B digital
signal
change U8
24LC21A,
check(5)(6)
pin
normal
changeu7
24LC21A,check
(5)(6)
normal
check mainboard
panel jack
normal DS90C383A
normal
check PW113
output video
siganl
normal
follow
next
picture
all panel green
checkDS90C383A
(37)-(42)(45)-(4
8)
change
DS90C383A,
repair output
connector
48
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 ...