Keypad Led - LG GB195 Service Manual

4.6.2 Circuit Diagram
VBAT
TP1
1 KP_LED
4.6.3 Checking Flow
Check signal of TP1 is
Check LED Component
(LED700~LED707,
R700~R707) is ok?
Change PCB
LED700 LED701 LED702
R700 R701 R702
33.0Ohm 33.0Ohm 33.0Ohm
Start
ok ?
YES
YES

KEYPAD LED

LED703 LED704
R703 R704
33.0Ohm 33.0Ohm
NO
Replace U100 or Change PCB
NO
-63-
LED705 LED706 LED707
R705 R706 R707
33.0Ohm 33.0Ohm 33.0Ohm
Replace Component
(LED700~LED707,R700~R707)