LG L1100 Schematics
Checked
1
DRAWING
7
Iss.
5
D
LGIC(42)-A-5505-10:01 LG Electronics Inc.
2004
Notice No.
(1608)
Approved
64
B
Section
B
Date
NO.
(1608)
Name
Date
Designer
NAME
8
C
Sheet/
2 9
5
LG Electronics Inc.
BB_MAIN
(1608)
V1.1
2
22/03
A
2004
D
E
DRAWING
C127
1/8
(1608)
3
GUIDE HOLE
4
22/03
C
L1100
Sheets
3
B
A
10
N.A
Sign & Name
A
1
(2012) (1608)(1608)
MODEL
0.1u
UPR
OJ4
C107
0.033u
0.1u
0.1uC105
C114
TDO_ARM
GND
JTAGEN
RPWON
TCK
TDI
TDO_0
TDO_1
TMS
VBAT
_F_WE
VBAT
V_IO
JTAG1
0.1u
C112
OJ6
VBAT
R110
V_FLASH
100K
C121
4.7u
V_RTC
10p
C103
100K
TP104
R109
TDI
VSS4
P2
P4
VSS5
VSS6
N8
P10
VSS7
VSS8
P13
G14
VSS9
VSSANG
E12
VSSO
A14
E14
VSSPLL
C14
VSSRTC
V_DBB
A11
VDDS_2
VDDS_MIF1
D1
G1
VDDS_MIF2
VDDS_MIF3
B6
A4
VDDS_MIF4
D13
VDDS_RTC
F11
VDD_PLL
N13
VDR
VDX
P14
VSFRX
M13
B1
VSS1
VSS10
A10
A7
VSS11
VSS12
A2
VSS2
F1
K1
VSS3
H14
TSPEN2
TSPEN3
G12
TXIR_IRDA
C7
TX_IRDA
C8
TX_MODEM
B9
N12
VCLKRX
VDD1
E1
M1
VDD2
VDD3
P7
N14
VDD4
B12
VDD5
VDD6A5VDDANG
E11
VDDRTC
D14
VDDS_1_1
N5
L14
VDDS_1_2
TSPACT1
M14
TSPACT10
J12
TSPACT11
J13
L12
TSPACT2
TSPACT3
L13
J10
TSPACT4
TSPACT5
K11
K13
TSPACT6
TSPACT7
K12
K14
TSPACT8
TSPACT9
J11
TSPCLKX
J14
TSPDI_IO4
H10
H11
TSPDO
H13
TSPEN0
TSPEN1
H12
A9
RX_MODEM
SCLK
P9
M9
SDI
SDO
K8
SD_IRDA
B8
G11
SIM_CD
SIM_CLK
F13
G13
SIM_IO
F14
SIM_PWRCTRL
G10
SIM_RST
TCK
B10
A12
TCSOEN
TDI
D10
C10
TDO
E9
TMS
M12
TSPACT0
E10
NEMU1
NFOE
E2
E3
NFWE
NIBOOT
N1
N2
NRESET_OUT_IO7
L9
NSCS0
NSCS1
N9
ON_OFF
F10
C13
OSC32K_IN
B13
OSC32K_OUT
D12
RESPWRONZ
RFEN
A13
RNW
B2
RTS_MODEM
E8
A8
RXIR_IRDA
D8
RX_IRDA
M10
MCSI_RXD_IO10
MCSI_TXD_IO9
L10
N7
MCUDI
MCUDO
M7
M8
MCUEN0
MCUEN1_IO8
P8
L8
MCUEN2_IO13
F5
NBHE
NBLE
E4
NBSCAN
D11
C2
NCS0
NCS1
C3
C1
NCS2
NCS3
D3
C11
NCS4
NEMU0
B11
L4
IO2
IO3
M4
IT_WAKEUP
B14
N4
KBC0
KBC1
K5
L5
KBC2
KBC3
P5
M5
KBC4
KBR0
K6
M6
KBR1
KBR2P6KBR3N6KBR4
L6
L7
LT
MCSI_CLK_IO11
N10
K9
MCSI_FSYNCH_IO12
DATA15
B3
E7
DATA2
DATA3
D6
A6
DATA4
C6
DATA5
DATA6
E6
C5
DATA7
DATA8
B5
D5
DATA9
DSR_MODEM
D9
P1
EXT_FIQ
M3
EXT_IRQ
FDP
F4
IDDQ
M2
N3
IO0
IO1
P3
BDR
K10
L11
BFSR
BFSX
P12
BOX
M11
BU
K7
CLK13M_OUT
F12
C12
CLK32K_OUT
E13
CLKTCXO
C9
CTS_MODEM
B7
DATA0
DATA1
D7
DATA10
E5
B4
DATA11
DATA12
C4
DATA13
D4
A3
DATA14
K4
ADD17
ADD18
J5
L1
ADD19
ADD2
G5
ADD20
L2
L3
ADD21
D2
ADD22
G4
ADD3
ADD4
G2
G3
ADD5
ADD6
H1
H3
ADD7
ADD8
H2
H4
ADD9
BCLKR
P11
N11
BCLKX
ADD0
F3
F2
ADD1
ADD10
H5
J1
ADD11
ADD12
J2
J3
ADD13
ADD14
J4
K3
ADD15
ADD16
K2
U102
D751992GHH
C104
15p
RPWON
V_ABB
C118
4.7u
0.1u
C111
TP101
_BSCAN
620 R122
0.1u
C124
OJ2
10K
R106
TDO
R104
100K
620 R120
4.7u
C120
33K
R103
VBAT
_WR
620 R115
R101 220K
4.7u
C123
10K
R113
C116
0.1u
0.1u
C106
TCK
OJ5
UPR
C126
0.1u
AVL5M02-200
VA101
C119
10u
620 R118
OJ3
V_RTC
VBAT
R102
10K
10K
R105
OJ1
R108
10K
0.1u
C108
620
TMS
R119
0.1u
C110
15p
C102
R116620
V_FLASH
2
3
4
V_SRAM
32.768KHz
X101
MC-146
1
TP105
C113
0.1u
VDX
H5
G5
VFS
B1
VIRO2
F3
VLMEMC3VLRTC
VRABB
H10
J1
VRDBB
A8
VREF
B2
VRIO1G1VRMEM
VRRAM
F1
VRRTC
D1
B4
VRSIM
VSDBB
H2
C1
VXRTC
V_IO
UDX
J5
UEN
K6
UPR
C2
VBACKUP
E1
A4
VBAT
VBATS
C5
VCABB
G9
D5
VCCS
VCDBB
K1
A5
VCHG
VCIO1A2VCIO2
A1
K3
VCK
VCMEMG2VCRAM
F2
F5
VDR
D3
RESPWONZ
RPWON
F7
C4
SIMCK
SIMIO
B3
D4
SIMRST
TCK
D8
TDI
D7
E7
TDO
G3
TDR
H1
TEN
TEST3
J6
TEST4
F6
TESTRESETZ
H8
G8
TESTV
E8
TMS
K5
UDR
IBIAS
B7
D6
ICTL
H6
INT1
E6
INT2
ITWAKEUP
D2
B8
LEDA
LEDB1
B10
LEDB2
A10
C8
LEDC
J8
MICBIAS
MICIN
H7
MICIP
J7
ONNOFF
E3
B5
PCHG
PWON
F8
A7
REFGND
E4
CK13M
CK32K
E2
DAC
H4
DBBSCK
F4
E5
DBBSIO
G4
DBBSRST
J10
EARN
J9
EARP
GNDA
G10
GNDAV
G6
A3
GNDD
B9
GNDL1
A9
GNDL2
HSMICBIAS
K8
HSMICP
K7
H9
HSO
APC
K4
G7
AUXI
AUXON
K10
K9
AUXOP
BDLIM
F10
BDLIP
F9
BDLQM
E9
BDLQP
E10
BDR
J3
J2
BDX
BFSR
H3
BFSX
K2
BULIM
D10
BULIP
D9
C9
BULQM
C10
BULQP
TWL3014
ADIN1
B6
A6
ADIN2
C7
ADIN3
ADIN4
C6
J4
AFC
R107
0
U101
C101 1000p
R114620
620 R117
GND
R123620
0.1u
R121620
C115C125
0.1u
2.2u
C122
V_SIM
C109
2.2u
NA
R124
_WR
HANDSFREE
TDO
TDO_ARM
TMS
VBAT
_WR
PCM_RX
PCM_CLK
INDLED_R
INDLED_G
LCD_ID
VC1
IFMODE
KBC(2)
KBC(4)
KBR(0:4)
PCM_TX
CAM_HOLD
_RD
KBR(0)
KBC(3)
SPK_EN
_BSCAN
RPWON
TCK
TDI
VBACKUP
BCLKX
_BSCAN
VC2
VC3
JACK_DETECT
KBC(0)
KBR(4)
KBC(1)
KBR(2)
KBR(3)
KBR(1)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
PWON
VCHG
VBATS
VCCS
ICTL
PCHG
RPWON
PCM_SYNC
A(21)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
LEDB
PA_ON
PA_BAND
TXIN
TXIP
TXQP
TXQN
RXIN
RXQN
RXQP
DSR
26MHz
A(22)
D(14)
D(0:15)
A(1:22)
S_CLK
S_DATA
KBC(0:4)
_CS1
_CS2
_MAIN_CS
LCD_RESET
RF_EN
RTS
RX_IRDA
RX
RXD
SD_IRDA
TDI
PDNB
LCD_BACKLIGHT
S_EN
TX_IRDA
TX
TXD
CTS
D(15)
FDP
FOLDER
MELODY_INT
_BHE
_BLE
_CS4
_CS0
HSMICBIAS
HSMICP
HSO
MICBIAS
MICN
MICP
SIM_CLK
SIM_IO
SIM_RST
TCK
TDO_ARM
TDO
TMS
BATT_TEMP
TEMPSENSE
HOOK_DETECT
AFC
APC
AUXI
AUXON
AUXOP
RXIP
MCLK
RCV_N
RCV_P
8. Circuit Diagram
8.1 BB_MAIN
- 119 -
E
Date
(1608)
A
Iss.
D
3
C
74
Section
(1608)
(2012)
B
Designer
6
1
2
B
A
9
Date
C
Sheet/
Name
Notice No.
1
MODEL
4 5
D
2004
2004
LG Electronics Inc.
Approved
85
3
Sheets
Sign & Name
AUDIO
V1.1
2/8
10
L1100
LG Electronics Inc.
22/03
22/03
2
DRAWING
(1608)
Close to IOTA
Checked
DRAWING
NAME
NO.
LGIC(42)-A-5505-10:01
_RST
4
_WR
28
1.2KR210
11
HPOUT_R
32
IOVDD
LED
2
19
MTR
5
NC
PLLC
6
17
SPOUT1
18
SPOUT2
15
SPVDD
SPVSS
16
7
VDD
9
VREF
VSS
8
29
_CS
_IRQ
3
_RD
31
A0
30
CLK1
1
27
D0
26
D1
25
D2
24
D3
23
D4
D5
22
D6
21
D7
20
EQ1
12
13
EQ2
14
EQ3
10
HPOUT_L
1
2
U201
YMU762
C210
MIC201
OB4-15L42-C33L
1uF
C218
2.2u
R213
47K
VCC_EXT
0R215
220n
C203
V_IO
V_IO
27K
R201
R209
NA
0.1u
C224
0.1uC220
V_SRAM
AVL5M02-200
VA204
R225
22K
C205
R298 100
2.2u
1uF
C204
27p
C226
R223 33K
47p
C207
AVL5M02-200
AVL5M02-200
VA202
VA201
R221
1K
C228
47p
100R299
COM
5
3
GND
IN
1
4
NC
NO
6
VCC
2
NA
R235
MAX4624EUT-TU203
R234
0
33K
R236
0.022u
C233
C227
27p
VCC_EXT
100p
C208
10p
VBAT
C213
R205
180K
12
R208
1
2
3
4
5
10p
J201
C212
1K
R224
10uC219
C223 0.1u
R999 NA
C201
R232 0
0.01u
10K
R211
VA203
AVL5M02-200
C216
10u
100R220
0.1u
C209
R219
1K
1
C_NOISE
DELAY
2
3
GND SENSE_ADJ
6
VIN
4
VOUT
5
7
_ERROR
_SD
8
U202
SI9182DH-33-T1
C229
47p
2.2u
C214
C206
47p
R206
V_IO
27p
150K
C230
27p
C232
C221
27p
27p
C231
C222
27p
5.6K
R212
3.3KR207
1K
R214
0
R233
R203
NA
C211
0.1u
0
R231
VBAT
R230
NA
R222
C225
47p
1K
C202
390p
C217
47p
2.4K
R217
EAR_P
SPK_EN
EAR_SPK
R216 100
RCV_N
RCV_P
VIBRATOR
SPKP
SPKN
HSMICP
AUXI
JACK_DETECT
EAR_SPK
HOOK_DETECT
BCLKX
_RD
_WR
EAR_N
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
MICBIAS
MICN
MICP
HSO
HSMICBIAS
D(0:7)
MCLK
MELODY_INT
LCD_RESET
MIDI_CS
A(1)
D(0)
8.2 AUDIO
- 120 -
LG Electronics Inc.
MODEL
DRAWING
1
22/03
22/03
A
B
3
E
D
Checked
1
Approved
Date
6
2004
Section
10
MEMORY
Notice No. Name
DRAWING
Date
2004
LGIC(42)-A-5505-10:01
3/8
4
Sheet/Sign & Name
7
NAME
2
NO.
3
2 89
A
4
L1100
5
D
Designer
C
Sheets
B
C
5
LG Electronics Inc.
V1.1
Iss.
27K
R312
5COM
GND
3
1
IN
NC4
6NO
2
VCC
U303
MAX4599EXT-T
12
34
LD301
SML-521MUWT86
0.1u
C301
A2
5
B1
2
6
B2
4
GND
8
VCC
Y1
7
Y2
3
NL27WZ32US
U301
1
A1
V_SRAM
VCHG
0R317
V_FLASH
NAR319
0.1u
C305
R306
120
R318
22
C306
47K
R313
VBAT
27p
C302
0.1u
V_FLASH
1
4
Q301
UMX1NTN
2
56
3
10KR305
R320 NA
VBAT
0R316
10K
R307
0R315
0.1u
C303
100K
R308
10KR310
47K
R314
10KR311
H3
D5
_RESET1
L3
_RESET2
D4
_UB
C6
_WE
_WP_ACC
C5
NC8
NC9
B9
RY__BY1
E5
B4
RY__BY2
VCCF1
J5
L5
VCCF2
H9
VCCF3
VCCPS
J6
B3
VSS1
VSS2
G3
VSS3
J9
L4
VSS4
J2
_CE1FPS
_CEF1
H2
B5
_CEF2
C4
_LB
_OE
NC2
NC20
K9
NC21
L2
NC22
M10
M9
NC23
NC24
M2
M1
NC25
NC26
L9
L8
NC27
NC28
L7
L6
NC29
A9
NC3
A10
NC4
B2
NC5
NC6
B6
NC7
B7
B8
K7
DQ6
G7
DQ7
J8
DQ8
K3
H4
DQ9
A1
NC1
C2
NC10
NC11
C9
NC12
F5
F6
NC13
F9
NC14
NC15
G5
NC16
G6
NC17
G8
NC18
K2
K6
NC19
A2
A6
C3
A7
C7
A8
E7
A9
CE2PS
D6
J3
DQ0
G4
DQ1
J4
DQ10
K5
DQ11
DQ12
J7
DQ13
H7
K8
DQ14
H8
DQ15
K4
DQ2
DQ3
H5
DQ4
H6
DQ5
A10
C8
A11
A12
D8
E8
A13
F8
A14
A15
D9
A16
G9
A17
F4
A18
E4
A19
D7
E2
A2
A20
E6
E9
A21
A3
D2
A4
F3
A5
E3
D3
AM50DL128CG70I
U302
A0
G2
A1
F2
F7
INDLED_G
FDP
_CS1
_RD
_WR
_CS2
_CS0
D(9)
_BLE
_BHE
D(7)
D(4)
D(3)
D(1)
D(0)
_CS4
A(2)
A(3)
_SUB_CS
MIDI_CS
INDLED_R
BCLKX
D(5)
D(2)
A(1)
A(2)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(3)
A(21)
A(22)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
D(6)
D(8)
8.3 MEMORY
- 121 -
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