Keypad Backlight Leds Trouble - LG KG110 Service Manual
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Also See for KG110:
- User manual (193 pages) ,
- Service manual (87 pages) ,
- User manual (185 pages)
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4. TROUBLE SHOOTING
4.13 KEYPAD Backlight LEDS Trouble
Checking Flow
Checking Flow
Start
Enter into engine mode and
turn backlight on
Replace R/C and
re-download
No
software
Figure 4-19
Figure 4-19
Are all keypad
Replace not working
backlight LEDs
No
LEDs
working?
Yes
Check Vbat and
Replace U101 or
R/C components
Yes
change PCB board
works properly?
No
68
LED
Resistor
Capacitor
Backlight work
properly?
Yes
No
OK
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