LG Electronics KS360 service manual Power on Trouble, Check Points

Models: KS360

1 162
Download 162 pages 34.87 Kb
Page 66
Image 66

5. Trouble shooting

5.2 Power on Trouble

Check Points

-Battery Voltage( Need to over 3.35V)

-Power-On Key detection (PWRON signal)

END_KEY

VBAT

END

KB100

R112 150

VA100

EVL14S02200

Remote Power On

RPWRON_EN

330K

R223

RPWRON

2K

R225

100K

END_KEY_IN

 

 

2V0_VRTC

R219

 

2K

R220

R221

 

 

PWRON

1

2

3

TP1

3.3M

 

 

 

C226

 

 

 

10u

 

 

 

6

5

4

EMX18

 

 

 

Q201

END

R222

END_KEY

10K

100K

R224

END_KEY_IN

KEY_COL7

KEY_ROW6

Copyright © 2008 LG Electronics. Inc. All right reserved.

- 67 -

LGE Internal Use Only

Only for training and service purposes

 

 

Page 66
Image 66
LG Electronics KS360 service manual Power on Trouble, Check Points