Main Pcb-8 - Samsung PL120 Service Manual

9.8. MAIN PCB-8

1_2VCC_FP GA
C800
100NF
16V
AGND
3_3VCC_MAIN
C801
100NF
16V
AGND
3_3VCC_MAIN
C802
100NF
16V
AGND
3_3VCC_MAIN
S FM_CS
S FM_MIS O
AGND
Copyright© 1995-2011 SAMSUNG. All rights reserved.
3_3VCC_MAIN 1_2VCC_FP GA
C805 C807
100NF 100NF
16V 16V
AGND AGND
A1
P IO3_1
DLCD_D<0>
A2
P IO3_2
DLCD_D<1>
A3
P IO3_3
DLCD_D<2>
A4
DLCD_D<3> P IO3_4
A5
P IO3_5 GBIN3_P IO
DLCD_D<4>
A6
GND
A7
VCC U801
A8
GBIN7_P IO3
A9
GBIN6_P IO3
DLCD_CLK
A10 ICE65L01F
P IO3
DLCD_D<5>
A11
P IO3
DLCD_D<6>
A12
P IO3
DLCD_D<7>
B1
DLCD_HD P IO3_6
B2
P IO3_7
DLCD_VD
B3
P IO3_8
B4
P IO3_9 GBIN2_P IO
B5
P IO3_10
B6
VCCIO_3
B7
P IO3_11
B8
P IO3_12
B9
P IO3_13
1_2VCC_FP GA
C804
100NF
16V
AGND AGND
FP GA
U802
3_3VCC_MAIN
MX25L3206EZNI-12G-S P 2
1 8
CS _ VCC
1%
2 7 R804 4.7K
S O_S IO1 HOLD_
R803 4.7K 3 6
WP _ACC S CLK
1% S FM_S CLK
4 5
GND S I_S IO0
S FM_MOS I
S ERIAL FLAS H
3_3VCC_MAIN
FP GA_S P I_CLK
R800 R801
TP
10KOHM 10KOHM
1% 1%
CRES ET
FP GA_CRES ET
CDONE
FP GA_CDONE
S P I_CLK
FP GA_S P I_CLK
S P I_S I
FP GA_S P I_DAT
S P I_S S _B
FP GA_S P I_EN
R802
10KOHM
1%
AGND
A25
P IO1_1
1_2VCC_FP GA
A26
P IO1_2
A27
P IO1_3
S LCD_D<2>
A28
VCC
A29
C808
A30
GND
100NF
16V
A31
P IO1_4
S LCD_D<3>
A32
P IO1_5
S LCD_D<4>
A33
P IO1_6
S LCD_D<5>
A34 3_3VCC_MAIN
P IO1_7 AGND
S LCD_D<6>
A35
P IO1_8
S LCD_D<7>
A36
VP P _2V5
C809 3_3VCC_MAIN
100NF
B19
16V
P IO1_9
B20
P IO1_10
S LCD_HD
B21
P IO1_11 AGND
S LCD_VD C803
B22
100nF
B23
P IO1_12 6.3V
B24
P IO1_13
B25
VCCIO_1
B26
P IO1_14
B27 AGND
P IO1_15
R806 100OHM
S LCD_CLK
-
C824
AGND 0F
5VCC
AGND
1_8VCC_DDR U800 1_2VCC_FP GA
RP 103K121D-TR
4 1
VDD VOUT
3 2
CE GND_0
FP GA_ENB
5
C806
4700NF
10V
AGND AGND
D800
J 800
KDR720F
501628-3991
1 2
S _VCOM 1 1 A K
C818
2 2200NF
2
3
S _C4 C810 1000NF 3
4 4 S _C4
C811 1000NF 5
5
6 C819 2200NF S _VCOM
6
C812 4.7uF 7
7
16V
C820 2200NF
8 8
C813 1000NF
S _C3 9
9
10 S _C3
10
C814 1000NF 11
11
C821 1000NF
12 12 S _C2
S _C2 13
13
14 C822
14 4.7uF
C815 1000NF
S _C1 15 15
16 S _C1 3_3VCC_MAIN
16
17
17
18 AGND
18
C816 4700NF
19 19
20 C823
20
21 2200NF
21
22
22
S LCD_RS T
23 23
S LCD_S P I_EN
24
24
S LCD_S P I_DAT
25 AGND
25
S LCD_S P I_CLK
26
26
S LCD_HD
27 27
S LCD_VD
28
28
S LCD_CLK
29
29
S LCD_D<7>
30 30
S LCD_D<6>
31
S LCD_D<5> 31
32
32
S LCD_D<4>
33
33
S LCD_D<3>
34 34
S LCD_D<2>
35
35
36
36 S _VCOM
37
37
38 38
LCD2_BL_D1
39
LCD2_BL_D2 39
40
40
41
41
AGND AGND
S UB_LCD CON.
U803
AHK3292IGU-T1
5VCC
1 6
EN D1
BL_ENB
2 5
GND RS ET
3 4
IN D2
R805
C817
10KOHM
1000nF/10%
16V 1%
AGND
9. Schematic Diagrams
LCD2_BL_D1
LCD2_BL_D2
9-8