Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG KG245 LG KG245
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7. CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10
GUIDE HOLE
OJ101 OJ102 OJ103 OJ104
1V8_VCORE 2V8_VMEM 2V8_VEXT 2V8_VMEM 2V85_VSIM 1V8_VRTC
VBAT
UART1
C101 C102 C104 C103 C105 C106 C107 C108 C109
3G 2.5G 0.1u 0.1u 47n 47n VBAT 2V85_VCAM VBAT
47n 0.1u 0.1u 0.1u
1 0.1u
GND GND
2
RX RX USC_1
3
TX TX USC_2
4
M14
C12
D16
K11
R15
C11
N11
P14
F12
F14
T12
UFLS
J11
NC1
M6
M3
H6
A5
H1
A8
E3
V8
2V75_VVCXO
F8
L9
T3
T6
5 C110
1V8_VCORE
2V75_VABB
A ON_SW ON_SW RPWRON C111 C112 R101 A
2V85_VSIM
2V5_VMIC
2V8_VMEM
1V8_VRTC
2V8_VEXT
6 22u
VBAT VBAT 22p 47n 0
VCC1
VCC2
VCC3
VCC4
VCC5
VCC6
VCC7
VCC8
VINT
VMEM1
VMEM2
VMEM3
VMEM4
VMEM5
VEXT1-1
VEXT1-2
VEXT1-3
VEXT1-4
VEXT1-5
VEXT1-6
VEXT2-1
VSIM
VDDUSB
VDDRTC
7 C1
VBAT
PWR NC2 ADD00 ADD0
8 E5
URXD NC3 ADD01 ADD1
9 D3
G15
C15
H15
R10
UTXD ADD02 ADD2
T10
F15
NC4 R102 1K
A3
B3
R5
R4
N2
R2
R6
P2
10 F6
DSR DSR ADD03 ADD3 BACK_BATT
11 D1 L3
RTS USC5 ADD04 ADD4 DATA0 DATA00
VBAT1-1
VBAT2-1
VBAT2-2
VBAT3-1
VBAT3-2
VBAT4
VBAT5
SPWR1
SPWR2
VBAT1
VBAT2
VBAT3
NC_R6
GND_NET2
12 F5 L6 A12 P1 C113 1u
CTS USC4 ADD05 ADD5 DATA1 DATA01 IP IP VCORE1
G6 L1 A13 N1
ADD06 ADD6 DATA2 DATA02 IN IN VCORE2 C114 1u
E1 L8 A15 T3
ADD07 ADD7 DATA3 DATA03 QP QP VMEM1
G5 M1 A14 T2
ADD08 ADD8 DATA4 DATA04 QN QN VMEM2 C115 0.1u
F3 L5 B14 T7
ADD09 ADD9 DATA5 DATA05 AFC AFCDAC VRTC C116 1u
H8 N3 B12 T6
ADD10 ADD10 DATA6 DATA06 TX_RAMP PA VSIM
F1 N1 H16 C117 2.2u (1608)
ADD11 ADD11 DATA7 DATA07 VABB C118 1u
G3 P3 N16
ADD12 ADD12 DATA8 DATA08 C120 C121 VMIC C119 1u
G1 N6 D16
ADD13 ADD13 DATA9 DATA09 47p 0.068u VVCXO
H3 P1 E15
ADD14 ADD14 DATA10 DATA10 NC_E15 C122 1u
J6 R3 A4
ADD15 ADD15 DATA11 DATA11 VEXT1
J8 R1 _RESET B4
ADD16 ADD16 DATA12 DATA12 R103 VEXT2
J3 N7 T1 T4
ADD17 ADD17 DATA13 DATA13 RESET VBAT_NET
J5 P6 200 T13 E16
ADD18 ADD18 DATA14 DATA14 KEY_ROW0 KEYOUT NC_E16
J1 T1 C123 C124 T14 F16
ADD19 ADD19 DATA15 DATA15 POWERKEY KEYON NC_F16
K6 R7
ADD20 ADD20 RPWRON DBBON
K3 NA NA A2
B ADD21 ADD21 CLKON VCXOEN B
K1 T12
ADD22 ADD22 NC_T12
K9 A4 ABB_IRQ ABB_IRQ D1 T15
ADD23 ADD23 GPIO_48_ABB_IRQ INT NC_T15
H9 CLKOUT CLKOUT L1 R1 VBAT
CLKOUT MCLK NC_R1
_RAM_CS1 V5 E7 MCLKEN J2
_RAM_CS1 NRAMCS1 CLKOUT_GATE MCLKEN
P8 A6 ABBRESET M1 R3
NRAMCS2 GPO_29_ABBRESET ABBRESET VMEMSEL
_ROM_CS1 N8 T5 VCHARGE
_ROM_CS1 NROMCS1 JTAGEN GND_NET1
_ROM_CS2 P9 T11 G16
_ROM_CS2 GPIO_44_NROMCS2 JTAGEN TCK TMS NC_G16
_WR R4 L11 B2
_WR NWE GPIO_18_TCK TCK
_LBS V1 V12 B1 B7 C126
_LBS NLWR GPIO_19_TMS TMS NC_B7 R104
_UBS U1 P12 A1 B5 0.2
_UBS NHWR GPIO_20_TDI TDI R113 TDI NC_B5 1u
_RD P5 V13 C1 (1%)
_RD NRD GPIO_21_TDO
0
TDO_0 TDO D101 C125
B8 (2012)
TDO_1 VBATSENSE 4.7u
T4 A5
_WAIT
V2
NADV
NWAIT GPO_0_RXON
C8 RXON K1
RXON
U101 VCHG
ISENSE
A7
R105 330
CUS02
26MHz
V4
BURSTCLK GPO_1_TXON
GPO_5_ARSM
E8
A7
TXON
ASM
K2
J1
TXON
ASM
AD6537BABCZ GATEDRIVE
A6
T5 C7 Q101
NGPCS1 GPO_6_ATSM
V6
_MIDI_CS NAUXCS1 G S
C127 R115 N9 4 5
_LCD_CS GPIO_42_NMAIN_LCD_CS D3 D4
NA NA V7 C6 H1 3 6
_SUB_CS GPIO_43_NSUB_LCD_CS CSDI CSDO D2 D5
X101 R114 C128 1000p N10 CSDO
E6
J9
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