Table of Contents
Advertisement
7. CIRCUIT DIAGRAM
1
2
Memory (128Mb Nor + 64Mb pSRAM)
U201
S71NS128PC0
A
C4
DNU1
C11
DNU2
E7
DNU3
H4
DNU4
H11
DNU5
C7
nBLE
R_LB_
C8
nBHE
R_UB_
TP200
H7
nCS0
R_CE_
H8
R_CRE
TP201
D3
R206
nRDYMEM
F_RDY_R_WAIT
10K
R207
51
D6
CKM
CLK
TP202
D8
RnW
WE_
TP203
F12
nMOE
OE_
V_MEM
E6
nFADV
AVD_
E8
FDP
F_RST_
R211
E9
F_WP_
100K
TP204
E11
nCS3
F_CE_
R212
D9
F_ACC
100K
A1
NC1
A14
NC2
C3
NC3
C12
NC4
H3
NC5
H12
NC6
K1
NC7
K14
NC8
V_UP
SPK
V_DN
KEYPAD
CN200
VA200
EVLC14S02050
VA203
EVLC14S02050
R226
680
KBR(0)
KB201
1
KB202
R228
680
KBR(1)
D
KB206
KB207
4
R230
680
KBR(2)
KB210
KB211
7
R232
680
KBR(3)
KB215
KB216
*
R233
680
KBR(4)
R234
680
KBC(0)
E
R235
680
KBC(1)
R236
680
KBC(2)
R237
680
KBC(3)
R238
680
KBC(4)
1
2
LGE Internal Use Only
3
4
5
V_MEM
D7
VCC
E3
VCCQ1
G10
VCCQ2
D5
C202
C203
VSS1
F3
VSS2
0.1u
0.1u
G5
VSSQ1
E12
VSSQ2
G12
A_DQ0
DATA_ADD(0)
G11
A_DQ1
DATA_ADD(1)
F9
A_DQ2
DATA_ADD(2)
F8
A_DQ3
DATA_ADD(3)
G7
A_DQ4
DATA_ADD(4)
G6
A_DQ5
DATA_ADD(5)
F5
A_DQ6
DATA_ADD(6)
F4
A_DQ7
DATA_ADD(7)
F11
A_DQ8
DATA_ADD(8)
F10
A_DQ9
DATA_ADD(9)
G9
A_DQ10
DATA_ADD(10)
G8
A_DQ11
DATA_ADD(11)
F7
A_DQ12
DATA_ADD(12)
F6
A_DQ13
DATA_ADD(13)
G4
A_DQ14
DATA_ADD(14)
G3
A_DQ15
DATA_ADD(15)
E4
A16
ADD(16)
D11
A17
ADD(17)
E10
A18
ADD(18)
D10
A19
ADD(19)
E5
A20
ADD(20)
D4
A21
ADD(21)
D12
A22
ADD(22)
END
KB200
R213
150
RPWON
VA202
VA201
EVLC14S02050
EVLC14S02050
VA204
EVLC14S02050
SOFT1
OK
OK
SOFT
2
KB203
3
KB204
KB205
LEFT
MENU
KB208
KB209
5
6
UP
KB212
KB213
KB214
8
9
RIGHT
SEND
CLEAR
KB217
KB218
CLEAR
0
#
DOWN
3
4
5
6
7
SPEAKER AMPLIFIER
C200
R200
C201
R201
U200
R202
SPKNA
C204
220n
R203
5.1K
C3
4.7
IN-
C206
C205
220n
R204
5.1K
C2
47p
IN+
R208
B1
SPKPA
SPK_EN
_SHUTDOWN
4.7
C1
BYPASS
R210
C208
C214
C215
47p
47p
100K
1u
KEY BACKLIGHT
VBAT
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
C218
C219
100ohm
100ohm
100ohm
100ohm
100ohm
100ohm
100ohm
100ohm
100ohm
100ohm
1u
1u
3
R229
10K
Q200
2
KEY_BACKLIGHT
2SC5585
1
R231
100K
- 80 -
8
9
10
DNI
VBAT
20K
DNI
20K
FB200
TPA6205A1ZQVR
A3
VDD
R205
0
B3
VO+
SPK_P
C207
47p
R209
0
A1
VO-
SPK_N
B2
GND
C210
C211
C212
C213
47p
47p
DNI
DNI
C216
C209
0.1u
2.2u
HANDSET MICROPHONE
MICBIAS
R214
1K
C220
C221
R225
VA205
0.1u
10u
DNI
C217
L201
100nH
39p
L200
C222
22n
MICIP
MIC200
100nH
R227
0
1
C223
OUT
2
DNI
G1
3
C225
G2
C224
22n
4
MICIN
G3
DNI
5
PWR
6
G4
SPM0204LE5-QB
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
Advertisement
Table of Contents
