Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG GB230 LG GB230 2
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7. CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
UART PORT
UA100
3G 2.5G
1
GND GND
2
A RX RX UART_RX A
3
TX TX UART_TX
4
VCHAR NC1 VCHG
5
ON_SW ON_SW RPWRON
6
VBAT VBAT VBAT
PWR
URXD
NC2
NC3
7
8
VBUS_USB
USB_N
VRF1
1V8_VDD
VDD1V8CP
MEMORY
9 VDD_IO1 VDD_EBU
1V8_VDD
UTXD NC4
DSR
10
11
USB_P
DSR VDDRF2 VRF1 R100
(512 NOR / 128 pSRAM : AD MUX type)
RTS 1V8_VDD 1V8_VDD VPMU VDDTRX VDDXO VDDTDC VRTC
12 VDDMS
CTS
3
U100
0 R101 1V8_VDD 1V8_VDD PF38F5060M0Y3DF
C101 4.7K BAT100 C102
C100 A1
C103 C104 1u 18p C106 C107 C108 C109 C110 C111 0.1u NC1
0.1u C105 R102 H8 A14
B 0.1u 0.1u 47n 47n 47n 220n 1u 0.1u P_CRE NC2 B
NBL414R-F9J C3
100K NC3
SBCL0001701 D3 C12
nWAIT WAIT_ NC4
H3
NC5
C7 H12
PIN_G14 nLB R_LB_ NC6
VBATSP VBAT_PMU VDD_IO2 C8 K1
nUB R_UB_ NC7
H7 K14
VBAT_RF2 VBAT nRAM_CS R_CS_ NC8
VBAT VBAT 1V8_VDD VAUX VMMC VUSB
VCORE 1V8_VDD 1V8_VDD 1V8_VDD D6 G12
MEM_CLK CLK ADQ0 AD00
G11
FB100 ADQ1 AD01
D8 F9
nWR WE_ ADQ2 AD02
75 F12 F8
nRD OE_ ADQ3 AD03
G7
R103 R104 R105 ADQ4 AD04
C116 C117 C118 E6 G6
1V8_VDD C112 C113 C114 C115 nADV AVD_ ADQ5 AD05
2.2u 0.1u 220n 470n 470n 0.1u F5
2.2u C119 C120 ADQ6 AD06
L100 100K E11 F4
DNI 470n DNI 100K nROM_CS F1_CE_ ADQ7 AD07
3.3uH C4 F11
C F2_CE ADQ8 AD08 C
F10
ADQ9 AD09
E8 G9
R106
470
nRESET F_RST_ ADQ10 AD10
E9 G8
3.9K
R107
F_WP_ ADQ11 AD11
1V8_VDD
H11 F7
1V8_VDD
1V8_VDD
1V8_VDD
1V8_VDD
C121
TX_RAMP
F_DPD
VDDRF2
ADQ12 AD12
VBAT_RF2
VDDTDC
D100 F6
VPMU
22u
VDDXO
VDDMS
VRTC
VRF1
VAUX
VUSB
C122 ADQ13 AD13
VMMC
1 D7 G4
VBAT VBAT VCORE VBAT R108 VCHG_OVP DNI VCC ADQ14 AD14
3 G3
ADQ15 AD15
2 E3
C123 Q100 100K VBUS_OVP VCCQ1
G10 E4
5.6K
10u
R109
KTC4075E VCCQ2 A16 AD16
KDR331V H4 D11
VCCQ3 A17 AD17
E10
A18 AD18
D5 D10
VSS1 A19 AD19
E12 E5
L14
P16
P10
P14
P15
F14
F13
J10
G12
H13
E11
B12
A12
R16
G14
E12
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