
5-2
The power can not be on or off
Go
Yes
Yes
No
No
main board can’t start-up
Yes
Check the power supply from
Check/replace D8,Q1,Q2,Q3,R2
Whether the DVCC3 is ok
check/replace Q5,L12,U2,D5
Replace U6.and peripheral component
No
No
Yes
Yes
Check if the DC_IN from D4 is ok
Whether the U6 and peripheral component is
normal,the program in u6 is normal
Trouble shooting chart
replace adapter
adapter
check the crystalloid is normal,
if the reset circuit , U4 and U8 and
peripheral components are ok
check and replace the bad
Содержание PD7010
Страница 27: ...7 8 MAIN BOARD TOP ...
Страница 28: ...7 9 MAIN BOARD BOTTOM ...
Страница 29: ...TFT BOARD TOP 7 10 ...
Страница 30: ...TFT BOARD BOTTOM 7 11 ...
Страница 31: ...KEY BOARD TOP 7 12 ...
Страница 32: ...KEY BOARD BOTTOM 7 13 ...
Страница 33: ...8 0 Exploded View Diagram 8 1 ...
Страница 36: ...9 0 REVISION LIST Version 1 0 x Initial release Version 2 0 xAdd version 93 77 ...