Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG KG225 LG KG225
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7. CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1V8_VRTC
VBAT
R100
BACK_BATT
1K
VBAT 2V8_VEXT 2V8_VMEM 2V85_VSIM 1V8_VCORE
UART100
A 22u C101 A
3G 2.5G
C100 22p
1
GND GND
2
RX RX USC1 C102 C103 C104 C105 C106 C107 C108 C109
3
TX TX USC2 0.1u 22p 0.1u 22p 0.1u 0.1u 22p 0.1u
4
UFLS NC1
5 2V8_VMEM 1V8_VCORE 2V75_VVCXO U100
ON_SW ON_SW RPWRON
A1
A2
A7
A8
6 PF38F3050L0ZBQ0
VBAT VBAT
7
U13
U12
A10
E15
B11
F15
T11
PWR NC2
NC1
NC2
NC3
NC4
M1
H1
D1
C1
N1
K1
A4
A6
E6
A9
P1
T9
L1
J1
8 2V8_VEXT 2V75_VABB 2V5_VMIC 2V85_VSIM G1 H2
URXD NC3 ADD01 A0 D0 DATA00
9 F1 H3
UTXD NC4 ADD02 A1 D1 DATA01
VEXT02
VEXT1
VEXT2
VEXT3
VMEM1
VMEM2
VMEM3
VMEN4
VSIM_2
VBAT11
VBAT12
VBAT21
VBAT22
VBAT3
VBAT8
VDDRTC
VCORE1
VCORE2
VCORE3
VCORE4
VPEG
10 K7 E1 G3
DSR DSR ADD00 ADD0 ADD03 A2 D2 DATA02
11 J6 D1 H4
RTS USC5 ADD01 ADD1 ADD04 A3 D3 DATA03
12 K5 B1 J5
CTS USC4 ADD02 ADD2 C110 1u ADD05 A4 D4 DATA04
H7 C11 C1 G5
ADD03 ADD3 VEXT01 C111 1u ADD06 A5 D5 DATA05
G4 R13 F2 J6
ADD04 ADD4 VMEM C112 1u ADD07 A6 D6 DATA06
G5 G17 E2 H7
B ADD05 ADD5 VABB C113 1u ADD08 A7 D7 DATA07 B
G9 U11 F6 G2
ADD06 ADD6 VCORE C114 1u ADD09 A8 D8 DATA08
H8 P16 D7 J3
ADD07
ADD08
G8
ADD7
ADD8
VMIC
VVCXO
F16 C115 1u MEMORY ADD10
ADD11
E7
A9
A10
D9
D10
G4
DATA09
DATA10
C116 1u
ADD09
F9
F7
ADD9 VSIM
R14
(128 + 64PSRAM) ADD12
B8
C8
A11 D11
J4
H5
DATA11
ADD10 ADD10 ADD13 A12 D12 DATA12
VBAT F8 A11 D8 G6
ADD11 ADD11 DATA0 DATA00 ADD14 A13 D13 DATA13
E9 D9 F7 H6
ADD12 ADD12 DATA1 DATA01 ADD15 A14 D14 DATA14
E12 E8 E8 J7
ADD13 ADD13 DATA2 DATA02 ADD16 A15 D15 DATA15
E16 C9 F8
ADD14 ADD14 DATA3 DATA03 ADD17 A16
R101 F11 A8 D2
ADD15 ADD15 DATA4 DATA04 ADD18 A17
VBAT E11 C8 2V8_VMEM 1V8_VCORE B2
47K ADD16 ADD16 DATA5 DATA05 ADD19 A18
D16 B8 B3
ADD17 ADD17 DATA6 DATA06 ADD20 A19
D14 E7 E6 J1
ADD18 ADD18 DATA7 DATA07 ADD21 A20 _S_CS1
D11 A7 B7 C5
VIBRATOR R103 R104
ADD19
D12
ADD19 DATA8
C7
DATA08 ADD22
R102 0 C7
A21 S_CS2
Q100 ADD20
D13
ADD20 DATA9
B7
DATA09 _ROM_CS1
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