LG KP260 Service Manual page 93

7. CIRCUIT DIAGRAM
1 2
VBAT
AUDIO AMP
C201
C200
EUSY0360201 1u
1u
A
1u
C203
A4
C1N
A5
C1P
C206 1u
MM_R
C207 1u
D1
ABB_N INA2
C208 1u C209 1u D2
FM_R ABB_P INA1
IC200
C212 1u
C1
MAX9877AEWP_TG45
AUXOP_R INB2
C213 1u
C2
AUXOP_L INB1
C214 1u
B2
FM_L BIAS
C218 1u
B3
MM_L I2C_SDA SDA
C3
I2C_SCL SCL
D4
RXIN+
B4
RXIN-
C225
1u
L204
SPK_P
L205
SPK_N
C233 C234
39p 39p
R209 680
4 R211 680
3 R215 680
2 VA204
VA202 VA205 VA206
1
CN202
varistor varistor varistor
varistor
R216 680
KEY_ROW0
KEY200 KEY201
1 2
R218 680
D
KEY_ROW1
VA209
KEY203 KEY204
4 5
R223 680
KEY_ROW2
VA210
KEY206 KEY207
7 8
R225 680
KEY_ROW3
VA211
STAR KEY209
* 0
R226 680
KEY_ROW4
VA212
E
R227 680
KEY_COL0
R228 680
KEY_COL1
R229 680
KEY_COL2
KEY_COL3
KEY_COL4
1 2
LGIC(42)-A-5505-10:01
LGE Internal Use Only
3 4 5
C202
1u
A1
HPR HS_OUT_R
A2
HPL HS_OUT_L
D5
OUT+ SPK_P
B5
OUT- SPK_N
C221 C222
27p 27p
CN200
270nH
1
270nH
2
KEY BACKLIGHT
R210 680
R212 680
3
2
1
VA203
CN201
VBAT
varistor
EDLH0013403
WHITE
LD200 LD201
UKEY_ROW0
KEY202
3
UKEY_ROW1
KEY205
6
LED_A
UKEY_ROW2
KEY208
9
UKEY_ROW3
SHARP
#
UKEY_ROW4
KEY_COL3
KEY_COL4
3 4 5
6 7
2V8_BT
BT + FM RADIO
FB200
SMZY0015801
R200 ANT200
0
GND1 C204 C205
0.1u 1u
FEED GND2
AMAN802012LG13
L200 L201
NA NA
C215 C216 C217
15p 0.1u 2.2u
C219 C220
15p 15p
C223 47n
AU_REF
A3
FM_R SPKR_R
A4
FM_L SPKR_L
A5
C224 220n
R204
FILT_EXT
C226 1000p B3
BT_32K 560 CLK_32K
C9
LO_REF
C227 0.01u
K3
XTAL_OUT
C228 1000p J2
26M_BT XTAL_IN
K2
L202 33nH L203 470nH
C229 820p
FM_ANT
FM_P
B1
15p FM_N
C231 15p C232
820p A1
C230
AUX_DAC
B5
RX_N
FL200
D1
RX_P
LFB212G45BA1A220
E1
UB B1 RF_P
3 5 F1
NC_DC G2 RF_N
2 G1
6
NC B2
VBALUN_BT 1
7
22nH
L206
C235
1.5p
TP208
BT_DBB_INT
Balun Filter
SFDY0002601
R208
AIT_CLKON
BT_MAIN_CLK_EN
_BT_RST
2V8_VEXT
U202
SLAS4717EPMTR2G
1 10
VCC NO2 PCM_TX_BT
VBAT
2 9
PCM_RX_BT NO1 COM2 USC_2
3 8
USC_1 COM1 IN2
4 7
PCM_EN IN1 NC2 USC2
5 6
USC1 NC1 GND R221
BT_LDO_EN
0
R222
R224
DNI
C245
47K
0.1u
EUSY0317101
Section
Designer
Checked
Approved
Iss. Notice No. Date Name LG Electronics Inc.
- 94 -
8 9 10
VBALUN_BT
C210 C211
22n 15p
TP200
I2C_DATA
C8 TP201
I2C_CLK
C7
USB_DN
K6
USB_DP
J7
TP202
UART_CTS BT_RTS
H6 TP203
UART_RTS BT_CTS
H5 R205 0
UART_RX DEBUG_TX
K7 R206 0
UART_TX DEBUG_RX
J8
U200
BLUECORE5-FM
PCM2_CLK
D9
PCM2_SYNC
D10
PCM2_IN
E10
PCM2_OUT
D8
TP204
PCM_CLK USC0
H9 TP205
PCM_SYNC PCM_SYNC
J10 TP206
PCM_IN PCM_TX_BT
K8 TP207
PCM_OUT PCM_RX_BT
H7
2V8_BT
C237 FB201
C236
0.1uF
DNI
R207
2.2
0
C238 C239
C241
C240 2.2u 0.1u
2.2u
DNI
2V8_VEXT
2V8_BT
(150mA)
2V8_BT
C242
U201 0.1u
TC7SH08FS
5
R217
1
U203 VCC
0 PCM_TX_BT
4
PCM_SYNC
3
USC3
GND
1 3
VDD VOUT
2
EUSY0227901
4 2
NC GND1 C243
6 5
CE GND2 1u
R1114D281D-TR-F
C244
1u
EUSY0232812
Date Sign & Name
KP260 / KP265
MODEL
080121
DRAWING
Memory, BT, KEY
NAME
DRAWING
VER 1.0
NO.
LG Electronics Inc.
LGMC
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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