Main Pcb-7 - Samsung ST80 Service Manual

8-7 Main PCB-7

TOUCH_SDA
TOUCH_SCL
TOUCH_INT
TOUCH_RST
MAIN LCD CONN.
DLCD_VD
LCD_SPI_CLK
TP
LCD_SPI_SEN
TP
3_3VCC_MAIN
R703 10KOHM
R704
10KOHM
TOUCH_Y2
TOUCH_Y1
LCD_SPI_SEN
LCD_SPI_CLK
DLCD_VD
DLCD<7>
DLCD<5>
DLCD<3>
DLCD<1>
3_3VCC_MAIN
C701
4.7uF
2200NF
V2_27 C703
C704 2200NF
V4_29
AGND
C705 4.7uF
C706 2200NF
V5_31
C707 4700NF
25V
2200NF
V7_35 C708
C709 4.7uF
KDR720E
D701
2 1
FRP K A
BLEDN
C710 4.7uF
AGND
SAMSUNG
TOUCH CONTROL
3_3VCC_TOUCH 3_3VCC_TOUCH
C702 C711
3_3VCC_TOUCH
47NF 47NF
16V 16V
AGND AGND
R706 R707
U701
10KOHM 10KOHM TSC2004IYZ
5% 5%
D1 B3
SDA NC
C1 B4
SCL NC1
B2 C2
AD1 NC2
A1 C3
_PINTDAV NC3
B1 D2
_RESET NC4
A2 D3
DGND NC5
AGND
DLCD_CLK DLCD_HD
TP TP TP
M_VCOM
TP
LCD_SPI_DAT
TP
3_3VCC_MAIN
J701
501628-4511 R705 10KOHM
1
1 TOUCH_X1
2 2
3
3 TOUCH_X2
4
4
5
5 M_VCOM
6 6
7 7
LCD_SPI_DAT
8
8
9
9
DLCD_HD
10
10
11 11
DLCD_CLK
12 12
13
13
DLCD<6>
14
14
15
15
DLCD<4>
16 16
17
17
DLCD<2>
18
18
19
19
DLCD<0>
20
20
21 21
LCD_ID
22
22
23
23
LCD_RST
24
24
25 C712 4.7uF
25
26 26
27
27 V2_27
28
28
29
29 V4_29
30
30
31 31 V5_31
32
32
33 C713 4.7uF
33
34
34
35 35
V7_35
36 36
C714
37 4700NF
37
38
38
25V
39
39
40 40
BLEDP
C715
41 41 4.7uF FRP
42
42
43
43
44
44
M_VCOM
45 45
46
46
47
47
AGND AGND
This Document can not be used without Samsung's authorization
MIC_P
SPK_P1
TP
KEY_SH2
TOUCH_X1
TOUCH_Y2
STR_READY
TOUCH_X2
MIC_P
TOUCH_Y1
SPK_P
AF_LED
ZOOM_ADC
STR_CHARGE
STR_CHARGE
TP
AGND
POWER_KEY
TP
POWER_KEY
PLAY_KEY
TP
PLAY_KEY
R709
33KOHM
STR_READY
TP
VBAT 5VCC_IGBT 3_3VCC_MAIN CPWR 5VCC_IGBT
TP
CPWR
R708
TP
J702
501628_3391
33KOHM
1
1
3 2
3 2
5 4
5 4
7 6
7 6
9 8
8
9
11 10
11 10
13 12
13 12
15 14
15 14
17 16
17 16
19 18
19 18
21 20
21 20
23 22
23 22
25 24
25 24
27 26
27 26
29 28
29 28
31 30
31 30
C718
33 32
33 32
C719
100NF
35 1000nF/10%
16V 35
34
34
TOP CONN.
AGND
AGND
3_3VCC_MAIN
R701
1000MOHM
5
1
2
3
4
C716
R710
C717
100nF
100nF
6.3V POWER & PLAY KEY
33KOHM 6.3V
AGND
Schematic Diagrams
VBAT
C720
SPK_N1
TP
100NF
16V
AGND
KEY_SH1
POWER_KEY
MIC_N
SPK_N
STR_TRIG
FUNC_LED
PLAY_KEY
16V
R702
1000MOHM
POWER_ON
PLAY_ON
8-7