LG KP170 - Page 91

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N.M
SPEAKER
(UART_TxD)
1
External Charger
USB
AUDIO POWER AMP
UART
5
PIF-UNION
B
UART PORT
1
2
D
98
B
C
3
4
CLOSE TO ABB
E
A
USAGE
MIC
DEBUG_TX/RX
7
S/W Download
2
(18pin 6, 7)
B
CONNNECTOR
JIG PORT
D
3
6
C
/ Calibration
S/W DEBUG???
4
RECEIVER
MON PORT
(UART_RxD)
(18pin 16, 17)
A
5
BATTERY
(Reverse Type)
HEADSET MIC
A
R218
1.5K
CN201
17-8T-01PP
SUSY0022601
1
2
39p
C221
1
2
C234
39p
CN204
C223
C218
0.1u
R221 100ohm
1u
VCHG_ABB
0.1uC226
1K
R212
47
VBAT
GND1 GND2
IN OUT
R233
ICVFP10181E301FR
FL201
100K
R231
VA205
ICVN0505X150FR
C232
DNI
R214 0
2.2u
C217
U204
1
D+
6
D+IC
D-
3
D-IC
4
2
GND
5
VBUS
C212
STF203-22-TC
220n
USB_VBUS
100u
C214
C230
39p
C224
2V5_VMIC
39p
10u
C213
C219
2V8_VEXT
DNI
1u
C244
C231
39p
C241
39p
_CHG
1u
C239
2V5_VMIC
2V8_VEXT
R238
20K
VA201 ICVN0505X150FR
ICVN0505X150FR
VA206
C210
39p
R201
0
39p
C233
SPOB-413S44-RC10BC
MIC201
1
2
C228
39p
VCHARGE
VA208 ICVN0505X150FR
0.1uC220
100u
R234
C215
47
GND
6
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
NLAS5223BMNR2G
U202
COM1
3
COM2
9
100ohmR219
R237
12K
R225
DNI
R208
100K
C227
VBAT
R230
39p
56p
47
C208
56p
C209
C207
VBAT
470n
R202 39K
39p
DNI
C216
C204
18
19
2
20
21
22
3
4
5
6
7
8
9
ENRY0006801
GU041-18P-E1000
CN202
1
10
11
12
13
14
15
16
17
VA203 ICVN0505X150FR
VA202 ICVN0505X150FR
VBUS_USB
R222
2.2K
VCHG_ABB
2.2K
R223
0.1u
C203
12K
R235
0
R203
C225
DNI
C243
1u
0
R205
C248
1u
VA204 ICVN0505X150FR
39p
C206
1u
C202
39p
VBUS_USB
4
8
IN2
5
NC1
7
NC2
NO1
2
10
NO2
P_GND
11
1
V+
C240
U203 MAX4717ETB+T
3
COM1
COM2
9
GND
6
IN1
R217
12K
R216
39p
USB_VBUS
2.2K
C237
C222
10u
VUSB
R236
10K
39p
C211
C205
VCHARGE
12K
R220
VBAT
470n
C245
1u
1800FB802
FB801 1800
C236
22u
TPA6205A1ZQVRU201
BYPASS
C1
GND
B2
C2
IN+
C3
IN-
A3
VDD
VO+
B3
VO-
A1B1
_SHUTDOWN
39pC242
DNI
R213
0
R211
39KR209
39p
C229
CN203
1
2
3
1u
C235
VA207 EVL14S02200
10KR207
_PPR
C246
1u
R226
100K
R204 10K
100K
R224
R232
12K
BAT
11
8
GND
6
IMIN
IUSB
7
IVDC
9
13
PGND
10
USB_BYP
VDC
1
VDC_BYP
12
2
VUSB
_CHG
4
_EN
5
3
_PPR
0R227
ISL9221U205
2V8_VEXT
C238
DNI
1u
C247
C201 DNI
270nH
R215 0
VBAT
L201
R206
0
R210
0
ACC_DETECT
HS_OUT_R
HS_OUT_L
USC_2
BATT_TEMP
RCV_P
RCV_N
HS_OUT_EN
HS_OUT_EN
HS_OUT_R
HS_OUT_L
AUXOP_L
SPK_OUT_N
SPK_OUT_P
SPK_OUT_N
SPK_OUT_P
IO_P7
IO_P6
AUXINDEBUG_RX
AUXIP
AUXOP_R
SPK_P_ABB
SPK_N_ABB
FM_ANT
USB_DET
IO_P7
_CHG_EN
AMP_SHDN
USC_1
RPWRON
DSR
IO_P6
USB_PUSB+
USB_NUSB-
CHG_DET
DEBUG_TX
USB_P
USB_N
JACK_DETECT
VINNORP
VINNORN
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes