Circuit Diagram - LG KP105 Service Manual

7. CIRCUIT DIAGRAM

1 2 3
A SHIELD CAN
MODEL
SC101
R101 KP105a_KP106a_FM(850_1900)
1
2
R102 KP105_KP106b_FM(900_1800)
3
4
5
R103 KP100(900_1800)
6
7
8
9
R101 R102 R103
NA 100K NA
B
ON BOARD ARM9 JTAG & ETM INTERFACE
2V8_VIO 2V8_VMEM
(NOT MOUNTED)
(FOR SW DEBUGGING / NOT MOUNTED)
CN102
R108 R109 G1 G2
NA NA
1 30
C
2 29
3 28
4 27
TRSTn
5 26
TDI
6 25
TMS
7 24
TCK
8 23
9 22
TDO
10 21
EXTRSTn
11 20
TRIG_IN
12 19
TRIG_OUT
13 18
14 17
15 16
R114
G3 G4
D NA
VBAT
UART PORT
UA101
3G 2.5G
1
GND GND
2
RX RXD
RX
3
E TX TX TXD
4
VCHAR NC1
5
ON_SW ON_SW RPWRON
6
VBAT VBAT
7
PWR NC2
8
URXD NC3
9
UTXD NC4
10
DSR
DSR
11
RTS
12
CTS
F
SIM_CONNECTOR
2V85_VSIM
2V85_VSIM
2V85_VSIM
R129
4.7K R130
0
J101
4 1
GND VCC
5 2
VPP RST SIM_RST
6 3
C SIM_DATA I_O CLK SIM_CLK
8 7
GND2 GND1
C134 C135
C133
22p
0.1u 22p
MEMORY
D
U104 S71GL032N40BFW0P
E1
A0 ADD01
G2 D1
DATA00 DQ0 A1 ADD02
E3 C1
DATA01 DQ1 A2 ADD03
H3 B1
DATA02 DQ2 A3 ADD04
F4 D2
DATA03 DQ3 A4 ADD05
F5 C2
DATA04 DQ4 A5 ADD06
H6 B2
DATA05 DQ5 A6 ADD07
E6 A2
DATA06 DQ6 A7 ADD08
G7 A6
DATA07 DQ7 A8 ADD09
H2 C6
DATA08 DQ8 A9 ADD10
F3 D6
DATA09 DQ9 A10 ADD11
G3 A7
E
DATA10 DQ10 A11 ADD12
2V8_VMEM H4 B7
DATA11 DQ11 A12 ADD13
G6 C7
DATA12 DQ12 A13 ADD14
F6 D7
DATA13 DQ13 A14 ADD15
H7 B8
DATA14 DQ14 A15 ADD16
F7 E8
DATA15 DQ15 A16 ADD17
D3
A17 ADD18
G4 C3 2V8_VMEM
VCCF A18 ADD19
B6
A19 ADD20
G5 C5 2V8_VMEM
VCCS A20 ADD21
F2 _OE
C144
_OE _OE
_WR
C145 G8 A5
VSS1 _WE _WR
0.1u
E2 A3 R137 R138
VSS2 _LB ADD00
0.1u
B3 BHE_N
_UB BHE_N 100K 100K
C8 F1 F_CS
RFU0 _CE1F _FLASH_CS
D8 G1
F RFU1 _CE1S _RAM_CS
E7 B5
RFU2 CE2S
F8 C4
RFU3 RY__BY _RY_BY
H5 A4
ADD22 RFU4 WP_ACC
B4
R139 DNI _RSTF
1 2 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6 7
VBAT VBAT
GND101 GND102
VBAT101 VBAT102
10 2V8_VBUF
11
VD1
12
13
14
15
16
FB101
C105
17
2.2u
(1608)
C107
NA 2V0_VRTC
2V5_VANA
R105
C117
C116
C118 22u
1u
1u
R106 C119
22K 220n
(1%)
C8
KP0
D6
KEY_OUT1 KP1
D7
KEY_OUT2 KP2
C7
KEY_OUT3 KP3
D9
KEY_OUT4 KP4
C6
KEY_IN0 KP5
C9
KEY_IN1 KP6
D8
KEY_IN2 KP7
F9
KEY_IN3 KP8
F8
KEY_IN4 KP9 M0,2 : ~1.92V
M7,9 : ~0.96V
RXD G7
RXD RXD
TXD H7
TXD TXD (VOLTAGE SENSING)
H8
HS_DET RTS_N
DSR G8
DSR CTS_N
J6
SSC0_CLK SSC0_CLK
K6
CHG_EN SSC0_MRST (FOR CHARGING IC)
G6
SSC0_MTSR SSC0_MTSR (FOR LCD SPI INTERFACE)
H6
LCD_RESET DISP_REST
H9
(FOR FM RADIO) FM_SCL SCL
H10
(FOR FM RADIO) FM_SDA SDA
R8
SIM_DATA CCIO
M9
(FOR FM RADIO)
FM_INT CCVZ_N
P7
SIM_CLK CCLK
R10
SIM_RST CCRST
N8
SPK_AMP_EN CCIN
2V0_VRTC P8
TDO TDO
M10
TDI TDI
P9
TMS TMS
R9
TCK TCK
K9
R122 TRSTn TRST_N PMB7880
B5
100K TRIG_OUT TRIG_OUT
C5
TRIG_IN
TRIG_IN U103
F7
NMI_N
N6
MON1
MON101 N9
(FOR 2.8V VMEM SELECTION) MON2
R4
DATA00 D0
P1
DATA01 D1
P2
DATA02 D2
N2
DATA03 D3
L1
DATA04 D4
M2
DATA05 D5
K1
DATA06 D6
J2
DATA07 D7
P3
DATA08 D8
R2
DATA09 D9
M1
DATA10 D10
N1
DATA11 D11
L2
DATA12 D12
K2
DATA13 D13
J1
DATA14 D14
M4
DATA15 D15
C2
ADD00 A0
D5
ADD01 A1
F4
ADD02 A2
E4
ADD03 A3
D4
ADD04 A4
G4
ADD05 A5
D2
ADD06 A6
H4
ADD07 A7
C1
ADD08 A8
F1
ADD09 A9
F2
ADD10 A10
CHARGE_DETECT
E_FUSE
1V5_VRF0 VD1 VRF1 VRF2
4 5 6 7
8 9 10 11
MLED
W_LED_DRV
0
VBAT
LCD_RESET
SSC0_CLK
C120
4.7u
(1608)
D12 X101 NX3225SA
REXT
4
HOT2 3
GND2
A9
XOX 1 HOT1 2
GND1
A8
XO 26MHz
A13
TX2 DCS_PCS_OUT
A14
TX1 GSM_OUT
2V8_VIO
E15
RX34 DCS_RXP
D15
RX34X DCS_RXN
C15
RX12 GSM_RXP
B15
RX12X GSM_RXN
R116
N10
(30uA) M9 RADIO_DETECT (FOR FM RADIO) NA
R14 R115
M0 LCD_ID
R11
(30uA) M7 DEFAULT_BANDSEL 68K
P10
(90uA) M2 BATT_TEMP
P13 R117
PAOUT1 TX_RAMP R118
100K 47K
K14 VMIC (1%)
LOUD2 SPK_N
L15
LOUD1 SPK_P
P12
VMIC
P11
MICP2 HS_MIC_P
R12 C127
MICN2 HS_MIC_N
P15 1000p
MICP1 MIC_P
R13
MICN1 MIC_N
M14
EPPA1 HS_REC
M12
EPP1 REC_P
N15
EPN1 REC_N
B2
T2IN HEADSET_RADIO_SEL (FOR FM RADIO)
B1
VIB_CONTROL VIBRATOR
B3
BACK_LIGHT KEY_BACKLIGHT
A2
W_LED_DRV W_LED_DRV
A4
CC00IO TP101
A3
RSTOUT_N FM_RST (FOR FM RADIO)
P5
X102
RESET_N _RESET MC-146_12_5PF
M7 R124 0
SAFE_RES
N7 (0603)
SWITCH_ON PWRON
P6 1 2
OSC32K
R5
F32K
B4 4
3
CLKOUT TP102
C131 C132 32.768KHz
B7
T_OUT8 BS 18p
A5 18p
T_OUT4 FM_32K (FOR FM RADIO)
A6
T_OUT3
B6
T_OUT2 VLOGIC
A7
T_OUT0 TXON_PA
N5
OE_N _OE
M6
ADV_N
E3
BHE_N BHE_N
E2
WR_N _WR
R3
RD_N
M5
CS3_N _LCD_CS
K3
CS1_N _RAM_CS REMOTE POWER ON
P4
CS0_N _FLASH_CS
G1
A22 ADD22
E1
A21 ADD21
H1
A20 ADD20
D1
A19 ADD19
F3
A18 ADD18
L3
A17 ADD17
K4
A16 ADD16
J4
A15 ADD15
H3
A14 ADD14
J3
A13 ADD13
H2
A12 ADD12
G2
A11 ADD11
8 9
- 89 -
12 13 14 15
MAKER ID Voltage
VBAT CHARGE PUMP
GP HIGH
U101 AAT3157ITP-T1
5 10 SHARP LOW
IN C1+
C102 C103 C101
1u NA
1u
9
C1-
7
C2+
8
C104
CP
6 1u
C2-
11
EN_SET
1
D1 MLED1
2
D2 MLED2
3
R104 C106 D3
4 12
100K 1u GND NC
C108 C109
NA NA
2V8_VIO
CN101
1
2
3
4
R107 47 5
R110 47
6
R111 47 7
8 R112 47
9
MLED
10
MLED1
11
MLED2
C121 C122 12 C123 C124 C125 C126
R113 LCD_ID
VA101
13 14
NA
NA 27p EVLC5S0250 27p NA 27p NA
15
VA102
EVL5M02200
IMSA-9671S-13Y902
(ENQY0013801)
CHARGING IC
VCHARGE
VBAT
R119
U102 MP26021
470K
R120 1.8K
1 IN BATT 10
CHARGE_DETECT
2 _CHG ISET 9
3 _ACOK IBF 8
4 SS 7
CHG_EN _EN R123 C128
5 NTC 6
R121 47 GND
620
R125 R126 C129 C130 R127 R128
20K 3.9K
100K 100K
2.2u 0.1u
(1%) (1%)
(25V,K,Y5V)
(2012) (85mA) (400mA)
VIBRATOR
VBAT
C136
27p
C137
RPWRON R131 10K
(50V,J,NP0) 1
0.1u
RPWRON PWRON
END_KEY
2
R132 0
R133
100K CN103 R134
10
(1608)
R135 1K
VIBRATOR
R136
100K
LGE Internal Use Only
16
A
0.9V
0V
B
C
_LCD_CS
SSC0_MTSR
D
E
4.7u
(1608)
F
C
D101
KDS221E_RTK
Q101
D
2SC5585
E