Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG G7020 LG G7020 1
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10. CIRCUIT DIAGRAM
10. CIRCUIT DIAGRAM
10.1 BB Circuit
1 2 3 4 5 6 7 8
SIM_CLK
SIM_RST VCHG
SIM_I_O
SIM_VDD C100 C101
HSP100
HSP101
HSP102
HSP103
A 10u/16V 22n A
3
2
1
A_case
R100
CLK
RST
VCC
C109 C103 20K VR2B
100n/16V 150p 4 6
J100 (2012) ICTL
GND
VPP
Q100
IO
3
LG_AMP_SIM NDC652P
1 2 5
7
6
5
R117
0R
VBAT_2
5 D100
2 4 CRS08
A(3)
U101 3
VR2B
SN74HC1GU04DCKR VBAT
VR2B R116
0.2R(1%)
VR2B VR2B (2012)
B B
R118
10K
FOLDER R119 C104
OUT
R120 U102 0R 10u
RPWRON VCC_EXT
0R (2012)
GND
R121 1 A0 VCC 14
10K R122
2 B0 A2 13
IN
5
1 A(2) R123 10K
Q101 MAIN_CS 4
0R
HSP129
2 3 O0 B2 12
RN1307 A(0)
3
ON_OFF U103
P0402FC12C
4 A1 O2 11
NC7SZ32
V102
5 B1 A3 10
SUB_CS
6 O1 B3 9
VCHG VBAT R124
7 GND O3 8 0R
C MIDI_CS C
L100
BLM15AG100PN1 P0402FC12C P0402FC12C
MC74VHC126 VBAT VBACKUP
J102
V100 V101 _CS3 LG_LCD_CON_30P
L102 C105 1
VDD_3.0V
BLM15AG100PN1 47p L103 BLM15AG121PN1 2
MAIN_CS L104 3
MAIN_CS
A(1) BLM15AG121PN1 A0 (D/I)
D(0:7)
BATT_TEMP L105 4
D(0) BLM15AG121PN1 D0
R101 VR2B D(1) L106 BLM15AG121PN1 5
D1
27
26
20K R102 D(2) L107 BLM15AG121PN1 6
D2
33K D(3) L108 BLM15AG121PN1 7
D3
D(4) L109 BLM15AG121PN1 8
D4
4 D(5) L110 BLM15AG121PN1 9
VCHG2 D5
7
5
3
1
D 5 D(6) L111 BLM15AG121PN1 10 D
VCHG1 R103 D6
R104 D(7) L112 BLM15AG121PN1 11
MNR04 D7
21
BATT2 10K 10K
22 L113 BLM15AG121PN1 12
BATT1 _WR
8
6
4
2
R105 _WR
R106 L114 BLM15AG121PN1 13
24 100R 47R MNR04 LCD_RESET 14
_RES
AUXI
23 2 1
AUX_IN R109 VSS
CTS
20 4 3
CTS L190 220R 15
RTS RTS MAIN_BACKLIGHT BLM15AG121PN1 LED_EN
15 6 5 16
TX
14 8 7
TX 17
VBACKUP
TXD TXD I_LED1 18
I_LED1
18 R107 4.7R I_LED2 19
I_LED2
AUXOP
17 R108 4.7R AUXOP I_LED3 L124 BLM15AG121PN1 20
I_LED3
AUXON AUXON SUB_BACKLIGHT 21
EL_EN
R110 VBAT
47R MNR04
13 2 1 L115 BLM15AG121PN1 22
RXD
10 4 3
RXD SUB_CS L116 23
SUB_CS
RX RX A(2) BLM15AG121PN1 CS2 (A2)
3 6 5 24
DSR
2 8 7
DTR 25
VSS1
E HANDSFREE HANDSFREE 26
VBAT1
E
6 R111 1K MOTOR L117 27
MOTOR
POWER_ON RPWRON (REC_N) EARN BLM15AG121PN1 REC-
L118 BLM15AG121PN1 28
REC_P L119 29
REC+
R112 47R MNR04 SPKN BLM15AG121PN1 SPK-
11 2 1 L120 BLM15AG121PN1 30
TDO
9 4 3
TDO SPKP SPK+
TMS
8 6 5
TMS
TCK
7 8 7
TCK
HSP512
HSP127
HSP126
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