four
、
no picture
:
check if there
is a icon to
display when
source switches
no picture only
VGA
check AD9883A
30、31 pin sync
Yes
change AD9883A
abnormality
check sync face
lifting circuit
and I/O sync
wave
No
check VGA jack
input abnormality
check sync face
lifting circuit
and peripherally
circuit
output abnormality
no picture only
DVI
check SiI161B/169 (44)(48)
(47)(42)pin GCLK、GHS、
GVS、GFBK
checkSiI161B/169
control signal
all abnormality
1、check signal source
2、DVI jack
3、change Sii161B
part abnormality
other part is
following
CHECK PW113 G-Port,
(31)-(35) pin,
changePW113
No
46
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 ...