LG KG920 Service Manual page 145

7. CIRCUIT DIAGRAM
2V5_MM
2V8_VEXT
VBAT
FB601
U601 BH25FB1WHFV
1 5
STBY NC
2 6
GND BGND
3 4
VIN VOUT
C607 C608 C609
27p 1u 4.7u
SD CARD POWER SUPPLY
VBAT
(MM_GPIO_8)
SD_PWREN
C636
C635
1u
27p
MV8620 POWER SUPPLY
M3M STANBY POWER SUPPLY
2V8_VEXT 2V8_VEXT
VBAT 1V8_M3M 1V5_MM
L601
U602 AAT2510IWP-AA-T1
4.7uH
12 11
VIN1 LX1
9 2 C601 100p
VIN2 FB1
L602
R604
C602 C603 C604 C605 4.7uH
1 8
27p 4.7u 4.7u 0.1u 270K_1%
EN1 LX2
4 5 C606 100p
EN2 FB2 C610
4.7u
R606
C611 C612
NA NA 300K
C613
4.7u
2V8_VEXT
2V8_M3M 2V8_MM
VBAT
MIC5219-2.8YML
U603
1 6 FB602 FB603
EN BYP
2
GND
7 5
PGND NC
3 4
IN OUT
C616 C617 C618 C614 C615 C619
27p 4.7u 470p 10u 10u 27p
2V8_SDPWR
FB604
AAT3218IJS-2.8-T1 U604
8 1
GND BYP
7 2
EN OUT1
6 3
IN2 OUT2
5 4
IN1 OUT3
C637 C638
4.7u 0.01u
24-5087-080-200-861(Female,ELCO,80pin)
2V5_MM
2V8_M3M
VBAT
1V8_M3M CN601
1 80
2 79
3 78
4 77
5 76
6 75
7 74
DATA15
8 73
DATA14
9 72
DATA13
10 71
DATA12
11 70
DATA11
12 69
DATA10
13 68
DATA09
14 67
DATA08
15 66
DATA07
16 65
DATA06
17 64
DATA05
18 63
DATA04
19 62
DATA03
20 61
DATA02
21 60
DATA01
22 59
DATA00
23 58
ADD01
24 57
ADD02
25 56
ADD03
26 55
MM_RESET
27 54
28 53
RD_N
29 52
WR_N
30 51
LCD_RESET
31 50
MM_CS
32 49
MM_INT
33 48
34 47
LCD_BACKLIGHT
35 46
36 45
37 44
38 43
39 42
MM_USB+
40 41
MM_USB-
C620 C621 C622 C623 C624
27p 27p 27p 27p 27p
Section
Designer
Checked
Approved
Iss. Notice No. Date Name
LG Electronics Inc.
- 146 -
1V5_MM
2V8_MM VUSB
CAM_COVER_SEN
CODEC_CLK
CODEC_BCK
DAC_DATA
CODEC_LRCK
ADC_DATA
I2C_DATA
I2C_CLK
SD_PWREN
M3M_RST
M3M_IRQ
M3M_CS
M3M_FLASHMD (GPO_2)
KEY_BACKLIGHT
KEY_ROW1
KEY_ROW2
KEY_ROW3
KEY_ROW4
KEY_COL4
KEY_COL5
RCV_P
RCV_N
MM_CLKON
SD_DETECT
SD_CLK
SD_CMD
SD_DATA0
SD_DATA1
SD_DATA2
SD_DATA3
C625 C626 C627 C628 C629 C630 C631 R611 C632 C633 C634
27p 27p 27p 27p 27p 27p 27p NA 27p 27p 27p
Date Sign & Name
Sheet/Sheets
MODEL
KG920(MAIN)
2006/
SANG JO RYU
6/7
03/11
DRAWING
MV8620, AUDIO CODEC
NAME
DRAWING
VER_1.0
NO.