LG GD910 Service Manual page 63

5. Trouble shooting
VDD_HIGH_OUT
RSTOUT_N
SPCU_RQ_IN0
SPCU_RQ_IN1
D2
ENPGC
B2
DAPGC
C2
CLKPGC
E3
EN
A2
DA
B3
CLK
F8
RXBAND1
E10
RXBAND2
D10
RXBAND3
H10
TXBAND1
G10
TXBAND2
F10
TXBAND3
A9
FSYSOUT1
C9
FSYSOUT2
D9
FSYSOUT3
B10
FSYSIN_PM
C7
EN_PM
H9
DA_PM
G9
CLK_PM
K2
FE1
H3
FE2
J4
VBIAS
C5
VCO_RC
PWRON
VBAT
KP_OUT(0)
KP_IN(6)
LGE Internal Use Only
H21
WR_N
B9
FWP
B3
B1
CLK32K
E9
F32K
E10
OSC32K
F8
PM_INT
E8
RESET_N
R2
F7
RTC_OUT
P2
R1
T5
C442 47pF
C443 1000 pF
R409
820
TP3
6 5 4
R320
47K
Q301
EMX18
R317
1 2 3
10K
R318
100K
C308
2 10u
1
2SA2030
3
Q300
_WR
X100
_WP
RESOURCE_CTRL
32.768KHz
CLK32K
2
PM_INT
_RESET C138
22p
RTC_OUT
PM_VCXO_EN
2V85_VTCXO
3G_EN
3G_DATA
3G_CLK
2G_EN
R426 100K
2G_DATA
2G_CLK
2G_BS
2V85_VTCXO
R407 20
C446 C447
1u 0.1u
X400
4 1
VCC VC
6 5
NC2_GND2 NC1_GND1
3 2
OUT GND
TG-5021BA 26MHz
R319 120
END_KEY
R321
RPWRON
220K
R322
220K
- 64 - Copyright © 2009 LG Electronics. Inc. All right reserved.
1
C139
22p
TP1
TP2
C507
2.2u
C505
R424
2.2n
1K
26MHZ
C506
R425
2.2n
1K
26M_BT
2V85_VRF
FB2
R410
AFC
10K
C452
10n
CN301
1
KEY_OUT(1)
2
KEY_IN(1)
3
KEY_IN(2)
4
END_KEY
5
VBAT
6
SEND : KEY_IN(1) + KEY_OUT(1)
CLR : KEY_IN(2) + KEY_OUT(1)
Only for training and service purposes