LG KP260 Service Manual page 94

7. CIRCUIT DIAGRAM
1 2 3
SLIDE SW
A
2V8_VMEM
SLIDE
EUSY0362601
BU52031NVX U300
4 1
VDD OUT
C303 3 2
NC GND
0.1u
C306
B
0.1u
MAIN_MICP
SPKPH_EN
SPK_MICN
SIM_CONNECTOR
C
2V85_VSIM
2V85_VSIM
J300
4 1
GND VCC
5 2
R315 VPP RST SIM_RST
6 3
SIM_DATA I_O CLK SIM_CLK
8 7
0 GND2 GND1
C326 C327 C328 C329
DNI 220n DNI 1000p
D
VIBRATOR
VBAT
(1608)
VB300
R317
1
Q2_C Q2_E
E
3 4
10
2
Q2_B
5
VIBRATOR Q1_B C331
2
27p
Q1_E Q1_C
L302 1 6
100nH Q300
C339
4.7u
BB_USBDM
MM_USBDM
F
OVP_VUSB OVP_VCHG
R325
12K
USB_DET CHG_DET
C346 R327 C347
DNI 12K DNI
C
CHARGE(TA+USB)
VBUS_IN VCHG_IN
D
EUSY0351601
U304 ISL9221
13
PGND
1
VDC
12
VDC_BYP
2
VUSB
11
BAT
3
_PPR
10
USB_BYP
4
_CHG
9
IVDC
5
_CHG_EN _EN
8
GND
6
E IMIN
7
R336 IUSB
100K R339
C352 C353
10K
1u 1u R340
18K
F
1 2 3
LG(42)-A-5505-10:01
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6 7
MICROPHONE PATH SELECTION
2V8_VEXT
C300
0.1uF
C302
MAIN_MICP
1u
C304
0.1uF
MAIN_MICN
U301
NLAST9431MT
Replace EUSY0323001
1 12
NC_A1 COM_D
C310 1u
2 11
SAB NO_D0 MM_MICP
3 10
NO_B0 SCD MIC_PATH_SEL
4 9 C311 0.1uF
COM_B NC_C1 VINNORN
C312
1u
C318 0.1u
AUXIN
C322 0.1u
AUXIP
SPKPH_EN MIC_PATH_SEL MODE
L L HANDSET MODE
ACC_DET
L H MULTIMEDIA MODE
H L SPEAKER PHONE MODE
H H Don't Use
USB PATH SELECTION
VBAT
BATT_TEMP
FSUSB30UMX U302
R319
10 1
USB_PATH_SEL SEL HSD1+ BB_USBDP VA303
22
9 2
VCC HSD2+ MM_USBDP varistor
8 3
_OE D+ USBDP
R320
7 4
HSD1- GND
22
6 5
HSD2- D- USBDM
C341 C342
47p 47p
USB_PATH_SEL
L AD6721
H AIT716
u-SD CARD
2V8_VEXT 2V85_TF
VBAT OVP_VCHG OVP_VUSB 2V85_TF
S300 49225-0821
R334 0
SWA SWB GND
TF_DET
TF_DATA1 8
TF_DATA0 7
6 TFLASH_EN
TF_CLK 5
4
TF_CMD 3
TF_DATA3 2
TF_DATA2 1
GND
R338
C354
15K
1u C355 C356
DNI 1u
ENSY0014701
4 5 6 7
8 9 10 11
2V5_VMIC
2V8_VEXT
C301 R301
10u 2.2K
R303
MIC300
47
C305 1
DNI 2
HS_MIC
R306
OBE-415L42-RC10-LGB10
HS_OUT_L
47 HS_OUT_R
C308 C309 USBDP
47p 47p USBDM
R308
JACK_DETECT
20
RPWRON
DSR
USC2
2V5_VMIC
USC1
C313 C314
R312
100p 18p
1.5K
R314
2.2K
HS_MIC
C323 C324 C325
27p 27p 10u
20 R316
C330
100p
VBAT
CN301
3
2 4
1
FL300 ICVE10184E150R101FR
C337 C332 HSBC-3PT25-19
1 9
47p 33u ENZY0019801 L_DATA07
C338 INOUT_A1 INOUT_B1
2 8
18p L_DATA06 INOUT_A2 INOUT_B2
3 7
L_DATA05 INOUT_A3 INOUT_B3
4 6
L_DATA04 INOUT_A4 INOUT_B4
FL301 ICVE10184E150R101FR
1 9
L_DATA03 INOUT_A1 INOUT_B1
2 8
L_DATA02 INOUT_A2 INOUT_B2
3 7
L_DATA01 INOUT_A3 INOUT_B3
4 6
L_DATA00 INOUT_A4 INOUT_B4
FL302 ICVE10184E150R101FR
1 9
VSYNCOUT INOUT_A1 INOUT_B1
2 8
nLCD_WR INOUT_A2 INOUT_B2
3 7
nLCD_RS
INOUT_A3 INOUT_B3
4 6
nLCD_CS INOUT_A4 INOUT_B4
2V85_TF
VBAT
U303
BH28PB1WHFV
1 5
STBY SEL
2 6
GND BGND
3 4
VIN VOUT
C350 C351
EUSY0290701
1u 4.7u
Iss. Notice No. Date Name
8 9
- 95 -
12 13 14 15
VCHG_IN VBUS_IN
VBAT
CN300
ENRY0006801
21
19
1
FB300
FM_ANT
2
3
4
C307 L300
5
10p 270nH
6
7
8
9
10
R309
11
12
47
13
14
15
16
17
18
C315 C316 C317
20
18p
47p 1u
22
C357
330p
GU041-18P-E1000
2V8_MM VBAT 2V5_VMIC
C333 C334 C335 C336
ENBY0040501
1u 47p 1u 47p
F_DATA07
CN302
F_DATA06 1 50
F_DATA05 UKEY_ROW1
F_DATA04 2 49
UKEY_ROW0 UKEY_ROW2
3 48
R321 680
KEY_COL4 UKEY_ROW3
4 47
R322 680
KEY_COL3 POWERKEY
5 46
F_DATA03 UKEY_ROW4 VBACKUP
F_DATA02 6 45
F_DATA01 LED_BC
F_DATA00 C343 VA304 7 44
DNI
8 43
9 42
10 41
C344
F_VSYNCOUT 11 40
39p
F_nLCD_WR REC_N
F_nLCD_RS 12 39
F_nLCD_CS REC_P F_nLCD_CS
C348 C349 13 38
F_nLCD_RS
14 37
39p 39p
MLED F_nLCD_WR
15 36
F_VSYNCOUT
16 35
MLED1
17 34
MLED2 F_DATA00
18 33
F_DATA01
19 32
LCD_RESET F_DATA02
20 31
LCD_ID F_DATA03
21 30
22 29
F_DATA04
23 28
F_DATA05
24 27
F_DATA06
25 26
F_DATA07
Section Date Sign & Name
071120
KP260 / KP265
MODEL
Designer
Checked
2006
DRAWING
Acoustic & IO
NAME
Approved
2006
DRAWING
VER 1.0
LG Electronics Inc.
NO.
LGMC
LGE Internal Use Only
16
A
B
C
D
E
F
SPK_MICP
SPK_MICN
C345
39p
C
D
E
Sheet/
Sheets
3/5
LG Electronics Inc.