Only For Training And Service Purposes - LG KG290 Service Manual
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Also See for KG290:
- User manual (320 pages) ,
- Quick start manual (2 pages) ,
- User manual (55 pages)
Table of Contents
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CHECKING FLOW
START
Is there the magnet
in the Slide side?
YES
Voltage at pin 1
of U301 = 2.8V?
YES
Open Slide.
Voltage at pin 1 of U301
=2.8V
YES
Close folder.
Voltage at pin 1 of U301
= 0V
YES
Does it work properly?
YES
Slide on/off will
work properly
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Place the magnet properly.
NO
Voltage of VMEM at U103
= 2.8V?
YES
Resolder U301
NO
Resolder and U301
NO
Replace U301
NO
Change Main board
- 93 -
4. TROUBLE SHOOTING
NO
Replace U103
LGE Internal Use Only
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Table of Contents
