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KE600
Service manual
Keypad Back Light Trouble - LG KE600 - Cell Phone Service Manual
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Brochure
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User manual
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User manual
(177 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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5.10 Keypad back light trouble
Check Points
-Signal path is connected well
-Control IC is working properly
Checking Point
R420
0
KEY_BACKLIGHT
R421
0
Check R420
resistor
- 93 -
5. Trouble shooting
VBAT
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Table of Contents
Troubleshooting
Trouble shooting
75
RF PART TROUBLESHOOTING
102
trouble shooting of receiver part
103
trouble shooting of transmitter part
109
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