LG C1100 Service Manual page 103

8. CIRCUIT DIAGRAM
1 2
VMEM
U201
J3
DATA00 DQ0 A0
G4
DATA01 DQ1 A1
K4
DATA02 DQ2 A2
H5
A
DATA03 DQ3 A3
H6
DATA04 DQ4 A4
K7
DATA05 DQ5 A5
G7
DATA06 DQ6 A6
J8
DATA07 DQ7 A7
K3
DATA08 DQ8 A8
H4
DATA09 DQ9 A9
J4
DATA10 DQ10 A10
K5
DATA11 DQ11 A11
J7
DATA12 DQ12 A12
H7
DATA13 DQ13 A13
K8
DATA14 DQ14 A14
H8
DATA15 DQ15 A15
A16
A17
J5
VCCF1 A18
G5
VCCF2 A19
J6
VCCPS A20
C202
C201 C203
A21
1uF
22p 0.1u
J9
VSS0
G3
VSS1 _CEF1
_CEF2
_OE
B
A1
NC0 _WE
A10
NC1 _BYTE
B1
NC2
B10
NC3
C1
NC4 RY_BY
F1
NC5 _WP_ACC
F6
NC6 _RESET
F9
NC7
F10
NC8
G1
NC9
G6
NC10 _LB
G10
NC11 _UB
L1
NC12 _CE1PS
L10
NC13 CE2PS
M1
NC14 DU1
M10
NC15 DU2
TH50VPF5783AASB
(128M / 32M)
C
SW1
4 1
5 3 2
VA201
R242
680
KEY_ROW0
KEY_ROW1
D
SP204
KEY_ROW2
SP211
KEY_ROW3
SP227
KEY_ROW4
SP231
E
KEY_COL0
KEY_COL1
KEY_COL2
KEY_COL3
KEY_COL4
1 2
LGIC(42)-A-5505-10:01
3 4
VMEM
G2
ADD01
F2
ADD02
E2
ADD03
D2
ADD04 LCD_RESET
F3
ADD05 DATA00
E3
ADD06 DATA01
D3
ADD07 DATA02
C3
ADD08 DATA03
C7
ADD09 DATA04
E7
ADD10 DATA05
F7
ADD11 DATA06
C8
ADD12 DATA07
D8
ADD13
E8
ADD14
F8
ADD15 MOTOR
D9
ADD16
G9
ADD17 ADD01
F4
ADD18
E4
C276 C275 C254 C211 C212 C213 C214 C215
ADD19
D7
ADD20
22p 22p 22p 22p 22p 22p 22p 22p
E6
ADD21
E9
ADD22
R256 0
ROM_CS2
H2 R257 NA
ROM_CS1
F5 R258
H3 0
RD Type R256 R257 R258
C6
WR
H9 R221
128/32 0 NA 0 C271
10K
64/32 NA 0 NA
E5
C5
D5
RESET
VBAT VBAT
C4
LBS
D4
UBS
J2
RAM_CS
R223 20 R224 47K
D6 R232
K6
10K
G8
R230 220
Q202
R233 1.5K
VIBRATOR
R234
100K
EMZ2
C273
SW2
VA204
D201
UP DOWN
1SS352
4 1
5 3 2
VA202
R243 KB22
680
CLR
SP201
KB4 KB20 KB16 KB9 KB8
1 2 3
LEFT MENU
SP205 SP206 SP207 SP208
KB5 KB21 KB17 KB10 KB13
4 5 6
UP SELECT
SP209 SP210
SP212 SP213
KB6 KB2 KB18 KB11 KB14
7 8 9
RIGHT SEND
SP226
SP228 SP229 SP230
KB7 KB3 KB19 KB12 KB15
* 0 #
DOWN CONFIRM
SP232 SP233 SP234 SP235
3 4
5 6 7
VBAT VRTC VEXT
R201 820
R203 820
R205 820
R207 820
R209 820
R211 820
R213 820
R215 820
R219 330
C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C256 C277 C227 C255 C257
22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p
RLED
VBAT
U203
10 4
IN C1+
LCD BACKLIGHT LED
C258
C260
1uF
18p 1uF
2 3
OUT C1-
1
C2+
1uF
C261
C259
9 1uF
LCD_DIM EN_SET IND_LEDG
12
FB1
C2-
8
D1
7
VA207
D2
6
C262 C272
D3
11 5 39p
GND D4 18p
AAT3123ITP-20-T1
VMEM
MOTOR
R235 R236 R237
R240
4.7u
100K 100K 100K 100K
DSR
Data Set Ready
USC1
USC0
USC6
MON_RX
USC2
MON_TX
PIN DAI UART
USC0 CLOCK - USC3
USC1 RX RXD
TX TXD
USC2 USC5
RTS
USC4 -
CTS
USC5 - USC4
-
CN203 USC6 RESET R265
BAT_TEMP
1
1K
Type
Terminal Ground
Iss. Notice No. Date Name
5
- 102 -
8 9
CN201
1 34
2 33
3 32
4 31
R202 820
5 30
R204 820
6 29
R206 820
7 28
R208 820
8 27
R210 820
9 26
R212 820
10 25
R214 820
11 24
R216 820
12 23
13 22
14 21
R218 330
15 20
16 19
17 18
C231 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 C242
22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p
R261
0
GREEN LED
R262
GLED
0
R263
0
R264
RED LED NA
Q201
6 1
R225 R226 47K
5 2
RED_LED
10K
R227
R229 47K 4 3
47K
UMX1NTN
JIG_PWR_ON
PWR_ON
R238 47
R239
100K
R241 47
R245 47
R247 47
R251 47
R252 47
RI(Ring Indicator)
SP203
R254 47
R255 47
VA205
C252 VA203
C299
R244 R246 R248 R249 R250 R253
C267
1uF
39p 39p
UART NA NA NA 47 47 NA
DAI 47 47 47 NA NA NA AVL14K02200
Section Date Sign & Name
MODEL
C1100 (GB-1E)
02/25
Designer PARK S. J.
2004
02/25 KIM S. K.
Checked
2004 KIM Y. T.
DRAWING
Memory, Key, I/O, LCD Interface
NAME
02/25
Approved CHO B.K.
2004
DRAWING
LG Electronics Inc.
NO.
10
SPK_REC_N
SPK_REC_P
A
A
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA09
DATA08
WR
LCD_CS
LCD_ID
C243 C244 C245 C246 C247 C248 C274 C278
22p 22p 22p 22p 22p 22p 22p 22p
B
B
VCHARGE VBAT
C290 C298 C
CN202
1uF 1uF 29
25
1
2
3
4
5
6
R244 NA 7
8
R246 47 9
10
R248 NA 11
12
R249 47
13
R250 47 14
15
16
17
R253 NA 18
19
20
D
21
22
23
24
26 27
28
C268 C251 C269
SP224
I/O CONNECTOR
20p 3p 10p
VA206
AVL14K02200
Sheet/Sheets
2/4
REV. 1.0
LG Electronics Inc.