Mod Key Trouble Shooting - LG L240 Service Manual

4.7 MOD Key Trouble Shooting

z Check Points
- Check the MOD Key FPCB
- Check the soldering of Components
- Check the MOD signals
z Trouble Shooting Setup
- Connect PIF Jig, and Power on
MOD Key Signal Input
MOD Key Signal Pin
< MOD FPCB >
R128
VRIO
TEMP_SENSE
MOD
R131
BATT_TEMP
< MOD Signal Circuit >
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4. TROUBLE SHOOTING
GND
MOD LED Signal Pin
M11
ONNOFF
10K
D5
ADCIN1
B4
ADCIN2
A4
ABB
ADCIN3
C5
ADCIN4
0
B5
ADCIN5
M6
STARTADC