Table of Contents
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4. TROUBLE SHOOTING
LGE Internal Use Only
START
Check all of LEDs solder
Yes
Check Pin2 of
Q700(KEY_PWM_EN)
OK
Pin3 of
Q700(KEY_BACKLIGHT)
is low?
Yes
18pin connector
(CN702) is good?
Yes
Replace KEY FPCB
Assemble
- 80 -
No
Replace main board
No
Replace Q700
No
Replace CN702
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Table of Contents
Troubleshooting
