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START
Check All of LEDs solder
Check
VBAT-TP3(on
F-KEY)&MLED-TP4
(on KEY PCB)
Check GPIO
signal(KEY_BL-TP2&SU
B_KEY_BL-TP1
Voltage
KEY_LED is operating
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Only for training and service purposes
Yes
No
Yes
No
)
Yes
- 89 -
5. TROUBLE SHOOTING
Check BATTERY
Replace U104(SGR)
& U101(BD6095)
LGE Internal Use Only
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Table of Contents
Troubleshooting
