Only For Training And Service Purposes - LG GT500 Service Manual

4. TROUBLE SHOOTING
4.16.1 Step 1
TP5
Main Board (Top side)
- Step 1 : VBAT Block
Causion when PCB lLayout
Direction of BAT and GND
LGE Internal Use Only
VBAT_H VBAT
R314
0
USB charging path
C330
22p
D302
C1
1
A1_C2
3
A2
2
C337
R320
KDS221E_RTK
22p 300K
TP1
TP2
Main Board (bottom side)
- Power Source Block
2012
R316
Route as a differential pair
1/4W
0.1
1%
C331
33u
- 122 - Copyright © 2009 LG Electronics. Inc. All right reserved.
TP3
TP4
CHS+
CHS-
TP1
TP3
TP4
BDATA
TP2

Only for training and service purposes