Circuit Diagram - LG LG9200 Service Manual

7. CIRCUIT DIAGRAM

CTS
RTS
RXD
TXD
CAM_HOLD
RX
TX
V_IO
R108 R105
V_IO
100K NA
CAPS_LOCK
H10
DIM_CNTL TSPDI_IO4
H11
S_DATA TSPDO
J14
S_CLK TSPCLKX
H13
TSPEN0
H12
_S_EN TSPEN1
H14
S_EN TSPEN2
G12
TSPEN3
M12
PDNB TSPACT0
M14
PA_ON TSPACT1
L12
PA_BAND TSPACT2
L13
GSM_ON TSPACT3
J10
TX_ON TSPACT4
K11
PCS_ON TSPACT5
K13
TSPACT6
K12
TSPACT7
K14
TSPACT8
J11
TSPACT9
J12
TSPACT10
J13
TSPACT11
A(22) D2
ADD22
L3
A(21)
ADD21
L2
A(20)
ADD20
L1
A(19)
ADD19
A(18) J5
ADD18
K4
A(17)
ADD17
K2
A(16)
ADD16
K3
A(15)
ADD15
J4
A(14)
ADD14
J3
A(13)
ADD13
A(12) J2
ADD12
J1
A(11)
ADD11
H5
A(10)
ADD10
H4
A(9)
ADD9
H2
A(8)
ADD8
A(7) H3
ADD7
A(6) H1
ADD6
G3
A(5)
ADD5
G2
A(4)
ADD4
G4
A(3)
ADD3
G5
A(2)
ADD2
A(1) F2
A(1:22) ADD1
F3
ADD0
B3
D(15)
DATA15
A3
D(14)
DATA14
D4
D(13)
DATA13
D(12) C4
DATA12
B4
D(11)
DATA11
E5
D(10)
DATA10
D5
D(9)
DATA9
B5
D(8)
DATA8
C5
D(7)
DATA7
D(6) E6
DATA6
C6
D(5)
DATA5
A6
D(4)
DATA4
D6
D(3)
DATA3
D(2) E7
DATA2
D(1) D7
DATA1
D(0) B7
DATA0
D(0:15)
_WR
_RD
_BHE
_BLE
_CS4
RAM_CS
ROM_CS2
ROM_CS1
ROM_CS0
FDP
KBC(0:4)
KBR(0:4)
PCM_TX
MIDI_RESET
R123 NA
FOLDER
MELODY_INT
RF_EN
LCD_RESET
KEY2
U102
D751992AZHHR
0.1u NA 0.1u NA 0.1u 0.1u 0.1u
C124 C125 C126 C127 C128 C129 C130 C131
UART1
3G 2.5G
1
GND GND
2
RX RX RXD
3
TX TX TXD
4
UFLS NC1
5
RPWON
ON_SW ON_SW
6
VBAT VBAT VBAT
7
PWR NC2
8
URXD NC3
9
UTXD NC4
10
DSR DSR
11
RTS RTS
12
CTS CTS
- 111 -
UPR
R101 220K
C101
X101
C102 12p
1000p
2 1 V_RTC
4
3
MC-146_7pF
32.768KHz
R104
C104 15p 0.1u
C105
R109
C106
0.1u
10K
100K
R111
C107
0.1u
10K
N1
NIBOOT
F10 E3
ON_OFF ONNOFF
D12 D3
RESPWRONZ RESPWONZ
B14 R112 47K D2
IT_WAKEUP ITWAKEUP
M3 E6
EXT_IRQ INT2
P1 H6
EXT_FIQ INT1
G3
TDR
D11 H1
NBSCAN _BSCAN TEN
J6
TEST3
B11 F6
NEMU0 TEST4
E10
NEMU1
D10 E7
TDI TDO
C10 D7
TDO TDI
B10 D8
TCK TCK
E9 E8
TMS TMS
L11 K2
BFSR BFSX
K10 J2
BDR BDX U101
P12 H3
BFSX BFSR
M11 J3
BOX BDR TWL3014CZGMR
P14 F5
VDX VDR
N13 H5
VDR VDX
M13 G5
VSFRX VFS
N12 K3
VCLKRX VCK
N7 J5
MCUDI UDX
M7 K5
MCUDO UDR
M8 K6
MCUEN0 UEN
P8
MCUEN1_IO8 CAM_HOLD
L8 R124 0
MCUEN2_IO13 SHIFT_KEY
E5
R113 0
DBBSIO
G13 F4
SIM_IO DBBSCK
F13 G4
SIM_CLK DBBSRST
G10
SIM_RST
B8
10K LEDA
F14 V_IO V_IO B10
SIM_PWRCTRL LEDB1
A10
R114
100K LEDB2
G11 C8
SIM_CD LEDC
B9
R116
GNDL1
A9
GNDL2
FOLDER
LEDA
C111 LEDB
0.1u
LEDC
V_DBB V_IO 1V8_MIDI 1V8_NU V_RTC V_ABB
C116
C115
0.1u 0.1u C117 C118 C119 C120 C121 C122 C123
4.7u 4.7u 4.7u 4.7u 4.7u 2.2u 4.7u
0.1u
C132
<-(1608) C114~C119 , 124,125
4.7u
Section Date Sign & Name
Designer 05/07/26
Checked 05/07/26 T. S. PARK
S. S. BAE
Approved 05/07/26
LG Electronics Inc.
VBAT VBAT
R103 100K R102 100K
26MHz
PWON
RPWON
PCHG
VCCS
VBATS
VCHG
ICTL
MCLK
TDI
TDO_ARM
TCK
TMS
TDO
C108
0.1u
K4
APC APC
J4
AFC AFC
H4
DAC
D9
BULIP TXIP
D10
BULIM TXIN
C10
BULQP TXQP
C9
BULQM TXQN
F9
BDLIP RXIP
F10
BDLIM RXIN
E10
BDLQP RXQP
E9
BDLQM RXQN
J9
EARP RCV_P
J10
EARN RCV_N
K9
AUXOP
K10
AUXON
G7
AUXI
H9
HSO HSO
K7
HSMICP HSMICP
K8
HSMICBIAS HSMICBIAS
G6
GNDAV
J7
MICIP MICP
H7
MICIN MICN
J8
MICBIAS MICBIAS
C4
SIMCK SIM_CLK
B3
SIMIO SIM_IO
D4
SIMRST SIM_RST
B6
ADIN1 JACK_DETECT
A6
ADIN2 BATT_TEMP
C7
ADIN3 TEMPSENSE
C6
ADIN4 HOOK_DETECT
E1
VBACKUP
B4
VRSIM
G8 V_SIM
TESTV R117
C109
0
0.1u
UPR
BAT101
C110
2.2u
(1608)
VBAT
C112
0.1u
R119 R120
C113 C114
10K 10K
0.1u 0.1u
Sheet/
Sheets
MODEL LG9200
S. G. KIM 1/7(M)
DRAWING
MAIN_BB
NAME
DRAWING
Ver 1.1
NO.