LG KS20 Operating Instructions Manual page 157

7. CIRCUIT DIAGRAM
1 2 3
Power Vibrator
A
VPWR
L700
CN700
68nH
KDS160E D700 1
2
VIB_DRV_ON
L701
C700 68nH ENEY0003801
1u 24-8000-002-000-829
B
C
LCD Connector
D
04-6293-027-001-829
ENQY0014201
VLCD_1.8V
27 VOUT
BLED1
26
BLED2
25
BLED3
24
BLED4
23
22
E 21 R706
20 FLM
19 0
18
TP700
MDDI_P_STB_M
17
16
TP701
MDDI_P_STB_P
15
14
13
12
TP702
11 MDDI_P_DATA_M
10
TP703
9 MDDI_P_DATA_P
8
7
6
F 5
4
3
2
1
D707
CN702
PG05DBTFC
C
Power LCD
VPWR VLCD_2.6V
U701 R1114D261D-TR-F
1 3
D VDD VOUT
4 2
NC GND1
6 5
LCD_PWR_ON CE GND2
C718
1u
C719
1u
VPWR VLCD_1.8V
E
U703 R1114D181D
1 3
VDD VOUT
4 2
NC GND1
6 5
LCD_PWR_ON
CE GND2
C723
1u
C724
1u
F
1 2 3
LG(42)-A-5505-10:01
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6 7
RTC Battery
VCOIN
2V, 0.5mA
NBL414R-F9J VA702
SBCL0001701 EVL5M02200
Speaker Connector
L702
CN701
68nH R750
1 1
$V
SPKR_N
2 1 R751
$V
SPKR_P
VLCD_2.6V L703
68nH
SUSY0026601
FXLP34L6X U700
EMS1810TPB1P
6 1
VCC VCC1
5 2
LCD_RESET
NC A
4 3
Y GND
VLCD_2.6V VLCD_1.8V
C710 C711 C712 C713
2.2u 0.01u 2.2u 0.01u
LCD BL/FLASH LED/CAMERA LDOs
VPWR
U702 MAX8631XETI
1 23
PIN C1P
2
C714
IN
C715 1u
22
10u C1N
3 26
GND C2P
24
PGND C716
29
BGND 1u
27
C2N
25
OUT
20
BL_PWR_ON ENM1
19
ENM2
21 16
FLASH_PWR_ON
ENF M1
18 15
CAM_PWR_ON ENLDO M2
28 14
R720 P1 M3
17 13
P2 M4
12
DNI F1
11
F2
8 10
SETM F3
9
F4
7
SETF
4
LDO1
6 5
REFBP LDO2
EUSY0263101
C720
0.01u
4 5 6 7
8 9 10 11
MICRO SD I/F-TransFLASH
0
R701
C701 0.1u
C702 33p
C703 33p
C704 33p
S8
T8
T7
T6
T5
S700
T4
ENSY0018601
T3
49448-1611
T2
T1
S4
ST1
ST2
VOUT
C717
10u
BLED1
BLED2
BLED3
BLED4
FLED
VCAM_2.6V
VCAM_1.8V
C721 C722
2.2u 2.2u
8 9
- 159 -
12 13 14 15
PLR0504F
4 3
5 2
6 1
D701
D702
D703
1 6
2 5 1 6
3 4 2 5
3 4
PLR0504F
PLR0504F
10
SDMC_DAT1
9
SDMC_DAT0
8
7
SDMC_CLK
6
5
SDMC_CMD
4
SDMC_DAT3
3
SDMC_DAT2
2
1
nTF_DETECT
17
18 D706
1 6
2 5
3 4
PLR0504F
LGMC
LGE Internal Use Only
16
A
B
C
D
E
F
C
D
E
LG Electronics Inc.