/
no
OK
NG
no
no
no
no
A
Power code
plug in?
Check Power code
LED Bright?
Check R.C
and keypad
LED Bright
Green Color?
LCD panel
can display?
END
Check panel’s
all cable
Replace cable
Check M/B
Replace M/B
Replace panel
Replace R.C or
IR/B or keypad/B
Replace P/B or M/B
or IO/B or all cable
Replace M/B
Can not power ON
Chapter3 25
Содержание AT4230B
Страница 9: ...System Block Wiring Diagram Chapter1 3 ...
Страница 10: ...LCD Main Board Block Diagram 4 Capter1 ...
Страница 27: ...24 Remove 4pcs screws from EMI GASKET UP then take off them Chapter2 21 ...
Страница 49: ......