LG U8120 Service Manual page 240

9. CIRCUIT DIAGRAM
1 2 3
A
VDIG VBATI
CONN_10_5087_060_920_829
X3200
1
2
ONSWAn
3
KEYIN0
4
KEYIN1
5
KEYIN2
6
KEYIN3
7
KEYIN4
8
9
7C_LED_VDD
10
CAM_FLASH_ON
11
CAM_FLASH_SHOT
12
13
BL_PWL
14
FOLDER_DET
15
16
KEY_LED-
17
B
18
19
EARM
20
EARP
21
BL_EN
22
MOTOR_BATT
23
SPKP
24
SPKM
25
26
LCDCSX_SUB
27
LCDRESX
28
LCDVSYNCI
29
LCDWRX
30
LCDRS
31
LCDCSX_MAIN
32
LCDRDX
33
PDID0
34
PDID1
35
PDID2
36
PDID3
37
C PDID4
38
PDID5
39
PDID6
40
PDID7
41
42
EN_LED_R
43
EN_LED_G
44
EN_LED_B
45
KEYOUT0
46
KEYOUT1
47
KEYOUT2
48
KEYOUT3
49
KEYOUT4
50
KEYOUT5
51
52
MARITATEMU1
53
MARITATEMU0
54
MARITARTCK
55
MARITATRST
56
MARITATDO
57
D
MARITATDI
58
MARITATMS
59
MARITATCK
60
61
62
B'd to B'd CONNECTOR I/F
E
VBATI
U3102
1 5
IN OUT
2
GND
3 4
CAM_REG_EN EN ADJ
MIC5219BM5
C3244
2.2u
C3243
2012 470p
F
CAMERA REGULATOR
VCAM
R3206
G
100K
CAMERA_DET
C3204
0.1u C3205
10p
CAMERA ROTATION DETECTOR
H
1 2 3
4 5 6
X3201
PDM : ENBY0017602
AXK7L80225
G3
CID4
10
CID5
9
R3357 51
CIVSYNC
8
CID1
7
CID2
6
R3360 51
CIPCLK
5
CID0
4
CID3
3
R3363 51
SYSCLK1
2
1
G1
CAMERA I/F
DCIN_2
KNATTE
VCAM
VBAT
C3245
10u
TP3342 TP3341
D2
UARTRX1
D3
UARTTX1
C3
UARTRX0
R3401 NA D4
VPPFLASH_MEM UARTTX0
TP3337 D5
VPPFLASH
D1
TP3336
ONSWBn
C5
DCIN_3
TP3306
C
Q2300
B
UARTCTS1 C3220
RN1107
0.1u
E
VBUS
VBATI
UARTRX1
R2500
NA
L2500
1 6
USBDP D1 D4
2 5
3_3V
GND
3 4
USBDM D2 D3
USBUF01W6
R2501
NA
USBPUEN
UARTTX1
USB FILTER
4 5 6
7 8
VCAM
G4
11
FB2
1608
12
13
R3364 51
I2CCLK_CAMERA
14 R3365 51
CIRES_N
15
FB1
1608
16 R3366 51
CIHSYNC
17
R3367 51
I2CDAT
18
CID6
19
CID7
20
G2
HF DETECTION
TP3200
R3353 NA
R3352 NA
R3351 NA
R3350 NA
VDIG
N2300 IP4022CX20
VBACKUP
A1
DTMS_i DTMS_e
A2
DFMS_i DFMS_e
A3 TP3338
CTMS_i CTMS_e
A4 TP3339 R3220 NA
PCMCLK
CFMS_i CFMS_e
A5 TP3343 R3249 0
VPPFLASH_i VPPFLASH_e
B1 R3222 NA
TP3340
CTS_ON_i CTS_ON_e PCMSYN
B5
DCIO_i DCIO_e
R3223 0
HF MIC TP3202
R3225 NA
PCMDATA
TP3203
HF SPK N
HF SPK P TP3204
R3227 0
R3228 0
R2502
TP3346
R3229 0
0
R3230 0
V2500
R2319 1K
RB521S-30 UARTRTS1
NA
R3232 0
R3233 NA
PCMDATB
VBAT
TP3345
TP3344
I/O CONNECTOR
7 8
- 241 -
9 10 11
VBATI
C3200 1u
1608
SC600B
N3201 SC600BIMSTR
R3388 R3263
1 10
7C_LED_VDD VOUT CF2+
0 4.7
2 9
CF1+ CF1- C3201
1u
3 8
VIN GND 1608
4 7
FID0 CF2-
D2013
R3389 100 1SS388
5 6
FID1 EN
C3202
CHARGE PUMP
10u
D2014
2012 C3203 R3390 100
1SS388
1u
1608
SUB LCD BACKLIGHT 4.5V
KEY_LED-
R3207
6 5 4
12
R3208
12
EMX18
Q3200
1 2 3
CURRENT LIMIT
15mA x 16 = 240mA
KEYPAD BACKLIGHT BLUE LED I/F
VDIG
Q3201 NA
UMC4N
PDM : ENEY0003301
20_5124_024_500_858
X3203
25
VBAT_GND_1
26
VBAT_GND_2
1
BATT_ID
2
HF_MODE
BLM18PG121SN1 3
DSR
L2201 4
PWR_+5V_1
5
PWR_+5V_2
6
ON_SW1
7
PCM_RXA_IN
8
PCM_CLK
9
PCM_SYNC
10
USB_RX
11
PCM_TXA_OUT
12
PWR_GND_1
13
RXD CRS08
14
TXD
15 V3200
USB_TX
16 NA
USB_PWR
17
DCD
18
RI_TMS
19
PWR_GND_2
20
RFR_RTS
21
PWR_+4_2V_1
22
PWR_+4_2V_2
23
CTS
24
DTR
27 TP3307
V_BAT_1 DTC SENSE
R3235
28 5V 2.75V
TP3205
V_BAT_2
29
V_BAT_3 NA
30
GND1
31
GND2
C3215 C2208
33u
1u
3216
1608
Engineer:
LG ELECTRONICS INC.
S .Y SEOK
3G HANDSETS LAB.
Drawn by:
DEVELOPMENT GROUP1
S .Y SEOK
R&D CHK:
TITLE:
BB MAIN PCB
DOC CTRL CHK:
MULTIMEDIA INTERFACE
MFG ENGR CHK: U8120 PT V1.3 STG INTEL PAM
Changed by: Date Changed: Time Changed: QA CHK: REV: Drawing Number:
mentor Tuesday, September 04, 2003 2:11:39 pm
9 10 11
12
A
7C_LED_VDD_EN
EN_LED_TC B
KEY_LED_ONOFF
C
D
E
F
G
H
Size:
A2
12 1 8 A
Page:
7
12