LG Prada KE850 Service Manual page 123

7. CIRCUIT DIAGRAM
1 2
A
Board to Board Connector (Main PCB & Sub PCB)
2V72_IO
VBAT USB_VBUS
CN201
1 100
2 99
KP_OUT0
3 98
KP_IN0
4 97
KP_IN1
5 96
KP_OUT1
6 95
KP_IN2
7 94
KP_IN3
8 93
KP_IN4
9 92
PWRON
10 91
11 90
12 89
DIF_CS1
13 88
DIF_VSYNC
14 87
DSR
15 86
USB_EOC
16 85
VMICP
17 84
18 83
VIBRATOR_EN
19 82
DIF_ADS
20 81
DIF_WR
21 80
DIF_RD
22 79
FM_INT
23 78
SDA
24 77
SCL
25 76
RST_FM
26 75
CLK32K
27 74
28 73
29 72
30 71
31 70
DIF_D0
32 69
DIF_D1
33 68
DIF_D2
34 67
DIF_D3
35 66
DIF_D4
36 65
DIF_D5
37 64
DIF_D6
38 63
DIF_D7
39 62
DIF_D8
40 61
DIF_D9
41 60
DIF_D10
42 59
DIF_D11
43 58
DIF_D12
44 57
DIF_D13
45 56
DIF_D14
46 55
DIF_D15
47 54
48 53
MICP
49 52
MICN
50 51
C217 C218 C219
0.1u 0.1u 0.1u
E
AUDIO AMP
2V72_IO
C226
1u
2V85_IO
F
C229 C230
C231 0.1u 1u
0.1u
R227 NA
C234 MCLK_ATI
0.01u
R230 0 A2
26M_DAC MCLK
C1
PLL_IN
C2
PLL_OUT
G
E2
M_IN
C238 220n E3
AMP_IN_L L_IN
C241 220n D2
AMP_IN_R R_IN
TP201 B3
C243 C244 I2S_CLK
I2S_CLK
TP202 B2
NA NA I2S_SDO I2S_SDI
TP203 A3
I2S_WS I2S_WS
2V85_IO
C4
SDA SDA_SDI
C5
SCL SCL_SCK
A5
ADDR_ENB
R234 100K B4
MODE
C249 2.2u D4
BYPASS
(1005)
H
1 2
3 4 5
VSUPPLY VCHG VBACKUP
2V65_ANA 2V85_IO VUPU
TXD_0
RXD_0
FM_SND_SEL
TP_ATTN JACK_DETECT
RX_DEBUG
TX_DEBUG
26M_DAC
SPK_RCV_EN REMOTE_INT
REMOTE_ADC
LCD_ID
DIF_RESET
HOOK_DETECT
RPWRON
CTS_0
RTS_0
USBDM
USBDP
MCLK_ATI
REMOTE_ADC
REMOTE_INT
USBDP
JACK_DETECT
RXD_0
TXD_0
USBDM
KEYBACKLIGHT
USB_CHG_EN
I2S_WS
I2S_SDO
I2S_CLK
JACK_TYPE
SNDOUT_R
SNDOUT_L
FLASH_EN
FLASH_LED
LCD_BACKLIGHT
HSMICP
HSMICN
KEY FPCB Connector (Volume, OK, SEND, CLR, END, LED, MIC)
RCV_N
RCV_P
C211 C212 C213 C214 C215 C216
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
VBAT
R216
KP_IN0
R218
KP_IN1
R219
KP_IN2
R220
KP_IN3
R222
KP_IN4
R224
KP_OUT1
2V85_IO
3V3_AMP
FB203
C227 C228
1u 0.1u
AUDIO POWER EXTERNAL LDO (3V)
C232 C233
1u 0.1u
G4
RLS-
G6
RLS+ SPK_P
G1
LLS- SPK_N
G3
LLS+
L201 100nH
D6
RHP HSO_R
E6
U205 CHP L202 100nH
E5
LHP HSO_L
LM4934ITL
F2
EP+
E1
EP- C247 C248
39p 39p
D5
LINEOUT
A4
GPIO
B6
VDD_I_O
D3
NC
C250
1u
3 4 5
6 7 8
MULTI-PORT SWITCH 1
JACK_DETECT USB_VBUS
MULTI_PORT_0 REMOTE_INT
2V72_IO
VBAT
MULTI_PORT_1 REMOTE_ADC
R203
10K
R206 10
R208 10 VBAT
U202
DG2799DN-T1-E4 R209
1 12
NC1 COM4 MULTI_PORT_1
2 11 10K
IN1_2 NO4
3 10
NO2 IN3_4
4 9
COM2 NC3
MULTI_PORT_0
C
OUT
R210
Q201 B
C204
RN1307 IN
0.1u 10K
R213
E
GND
10K
VUPU
U203 STF203-22-TC
6 1
D+IC D+
5 2
VBUS GND
4 3
D-IC D-
CN202
1 14
PWRON
2 13
680
LED_R
3 12
680
680 4 11
C220 0.1u FB201
5 10
680
C222 0.1u FB202
6 9
680
7 8
680
VA201 VA202 VA203 VA204 VA205 VA206
C225
1u
3V3_AMP
VBAT 2V85_IO
U204 BH33MA3WHFV
1 2
VIN VOUT1
3
VOUT2
5 4
GND NOISE
6 7
STBY PPAD C242
0.01u
C245 C246
1u 1u
6 7 8
- 124 -
9 10 11
MULTI-PORT SWITCH 2
USB_DP 2V72_IO
VBAT
USB_DM
R202
10K
R205 10
CTS_0
R207 10
RTS_0
U201
DG2799DN-T1-E4
1 12
NC1 COM4
2 11
JACK_DETECT IN1_2 NO4
3 10
NO2 IN3_4
4 9
COM2 NC3
C201 220u
HSO_L
C202 220u
HSO_R
C260 2.2u
USB_VBUS HEADSET_L
C261 2.2u
HEADSET_R C205 C206
39p 39p
R214 10
RCV_P
RCV_N
R215 10
C207
39p
SPK_P
SPK_N
C209
39p
TOUCHPAD FPCB Connector
(MP3, Sleep, TOUCHPAD)
2V72_IO
CN203
1 14
R217
2 13
10K
120 MICP 3 12
C221 TP_ATTN
39p 4 11
120
R221 680
MICN KP_OUT0
5 10
R223 680
C223 KP_IN0
27p 6 9
R225 680
KP_IN1
7 8
R226
VMICP
0 VA207 VA208 VA209
RCV / SPK
SPK_RCVN
SPK_RCVP
SP1 SP2 Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
Changed by: Date Changed: Time Changed:
QA CHK:
mentor 2005-06-01 3:07:35 pm
9 10 11
LGMC
12
A
MULTI_PORT_3
MULTI_PORT_2
SPK_RCVN
SPK_RCV_EN
B
SPK_RCVP
C203
0.1u
C208
39p C
C210
39p
D
2V85_IO
SDA
E
SCL
C224
0.1u
VA210 VA211
F
2.0X6.0
ANT201
C237
39p
ANT202
G
C239 C240
22p 22p VA212 VA213
H
LG Electronics
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TITLE:
KE850 SUB
A3
12 1 8 A
BtoB Conn, Multiport SW...
V 1.0 Page 2/2
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