Only For Training And Service Purposes - LG GB220 Service Manual

N12
LCD_ID M0
T11
BATT_ID M1
R11
M2
N11
VDD_FMR
M10
FM_ANT FMRIN
M11
FMRINX
T15
CP1
R15
CP2
A15
GSM_OUT TX1
A14
BS2 FE2
D16
RX12 RX12
C16
RX12X RX12X
F16
RX34 RX34
E16
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Figure 4.2 power block of GB220
- 75 -
4. TROUBLE SHOOTING
(VRF1)
R100
VBACKUP
4.7K
Q100
VBAT
R101 3.9K
KTC4075E
R102 470
K3
A_D0
K2
A_D1
L1
A_D2
M1
A_D3
N3
A_D4
M2
A_D5
N1
A_D6
P2
A_D7
K1
A_D8
L4
A_D9
L2
A_D10
L3
A_D11
N2
A_D12
P5
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
D1
R103
3
100K
EDSY0
KDR
A_D_00
A_D_01
A_D_02
A_D_03
A_D_04
A_D_05
A_D_06
A_D_07
A_D_08
A_D_09
A_D_10
A_D_11
A_D_12