Sharp_GX20_schematics.pdf

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CONFIDENTIAL
[4] Schematic diagram/wiring side of P.W.Board
MAIN PWB-A (1/3)
A
MAIN PWB-A(1/3)
B
C448
1
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
123 4
123 4
123 4
123
C
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
123 4
123 4
123 4
123
D
CAPA3+
C428
1
CAPA3-
CAPA2+
C427
1
CAPA2-
T P 419
CAPA1+
C425
1
SUBD6
CAPA1-
SUBDB6
C426
1
SUBD4
IC
LR
DI
VOUT
SUBDB4
C424
0.1
SUBD2
SUBD3
L447
VREG
SUBDB2
SUBD0
SUBD1
SUBCKS
VEE
SUBDB0
SUBDB1
VDD
SUBCKS
SUBCK
SUBFLM
SUBLP
SUBD6
SUBD5
SUBD4
SUBD3
SUBD2
SUBD1
SUBD0
SUBDB3
CKS
L446
CK
SUBCKS
SUBCK
SUBLP
GND
SUBLPIN
SUBFLMIN
SUBCK
FLM
SUBFLM
L445
LP
E
D7
SUBD7
SUBD7
SUBDB7
SUBDB5
D6
SUBD5
D5
SUBRS
SUBRS
SUBWR_B
SUBCS_B
D4
SUBWR
D3
SUBCS
D2
26
D1
D0
RD
SUBWR
DATA[0]
RSP
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
BUFOFF_B
LCDINT
WAIT_B
RD_B
WR_B
CS_B
WR
SUBRS
DATA[1]
RS
SUBCS
DATA[2]
CSB
/LCD_RESET
DATA[3]
RESB
V4
DATA[4]
GND
C422
0.1
F
R424
75K
C423
1
DATA[5]
DATA[6]
V3
C421
1
C473
100P
(CH)
DATA[7]
V2
DATA[8]
V1
C420
1
DATA[9]
V0
C419
1
DATA[10]
V0
C418
1
DATA[11]
CN401
DATA[12]
DATA[13]
DATA[14]
DATA[15]
BUFOFF
LCD_INT
/LCD_WAIT
G
/RD
/WE
/LCD_CS
C417
0.01
VLCD
C416
0.1
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
2
3
4
5
6
Figure 1 SCHEMATIC DIAGRAM (1/24)
5 – 6
GX20
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143
VDDCORE
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
D
E
F
G
H
J
K
L
M
37
38
39
40
41
42
43
44
45
46
47
48
G3
G5
R1
R3
R5
65
G3
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
3 4
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
G2
L450
G3
G5
G4
2 3
63
G4
49
50
51
52
53
54
55
56
57
58
59
60
R1
G5
2 6
G5
100
R3
R0
4 3
98
R0
61
62
63
64
65
66
67
68
69
70
71
72
R1
R5
R1
R2
7 6
88
R2
L407
60 (100MHz)
L408
60 (100MHz)
B2
B2
82
38
40
73
74
75
76
77
78
79
80
81
82
83
84
R3
B0
L451
B0
R3
R4
VDDIO
VDDIO
VDDIO
VDDIO
R4
9 7
85
87
98 99
88
89
90
91
92
93
94
95
96
R5
R5
11 5
DCLK
VSYNC
132
97
100 101 102 103 104 105
106
107
108
DCLK
50
HSYNC
DCLK
135
HSYNC
VSYNC
52
HSY
45
SCANEN
109 110 111 112 113 114
115
116
117 118
119
120
51
VSY
SE_DI/PORT7
140
NC
NC
SO
4
5
PLLDIV0
PLLDIV1
PLLGND
GND
GND
GND
GND
GND
GND
121 122 123 124 125 126
127
128
129 130
131
132
SE_DO/PORT0
SE_CK/PORT1
117
SI
129
SCLK
1 4
PLLDIV2
133
134
135
136
137
138
139
140
141
142
143
144
SE_LD1/PORT2
141
CS
3
RESET
1 6
1 8
VCC
C453
2.2
GND
3 1
EXCS_B0
103
NC
GND
4 4
EXCS_B1
41
NC
VDC
4 8
EXCS_B2
EXCS_B3
62
NC
VDC
75
53
NC
COM2
D409
1SS405
D408
RB520S30
VCL AMP
8 3
GND
GND
GND
GND
DCS_B
VSS2
114
C450
1
DA1
NC
NC
1 11
124
C451
1
1 27
DA0
112
VSS1
142
C452
1
NC
NC
VDD2
C454
1
C5-
1
12
133
144
134
130
73
32
11
10
9
678
49
61
59
37
68
20
91
13
33
105
92
79
104
116
128
126
138
137
125
113
36
25
102
109
C5+
C455
1
C4-
C4+
C3-
C3+
C470
0.01
C457
4.7
C2-
5-8 (6-G)
C2+
C458
4.7
C1-
BL_ICONT
C1+
C459
4.7
G
VDC2
VDC2
C460
2.2
VR
VS
VS
C461
4.7
86
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5-17 (11-B)
LCD_RST
LCD_RST
G
/LCD_RESET,/RD,/WE,BUFOFF,/LCD_CS,LCD_INT,/LCD_WAIT
5-17 (11-B)
/LCD_WAIT
G
/LCD_WAIT
/LCD_CS
LCD_INT
BUFOFF
/WE
/RD
G /LCD_CS
G /LCD_RESET
5-19
5-15 (11-H)
LCD_INT
G
5-17 (10-A)
/LCD_RESET
TP404
V
5-17 (11-B)
5-17 (11-A)
BUFOFF
G
G /WE
5-15 (10-H)
/RD
G
5-17 (10-A)
5-17 (11-A)
DATA[0-15]
G
TP414
5-15 (11-G)
13M_CLK
G
13M_CLK
L405
60 (100MHz)
5-15 (11-G)
CAMCLK
G
L404
60 (100MHz)
5-11 (7-B)
5-18 (3-B)
VBAT_AP
5-6 (2-G)
LED_A
G
VINT
G
5-15 (11-H)
SUB_BL_ON
5-7 (9-E)
BL_ICONT
G
LED_K
G
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CONFIDENTIAL
GX20
(
)
(
)
R413
100K
(
)
IC402
IX3053AF
POWER MANAGEMENT
C415
0.1
TP413
R410
1.2K
C413
1
5-15 (11-C)
CAMN
CAMP
GND
GND3
GND2
GND1
5-15 (12-C)
C411
1
NC
CAPN2
CAPP2
CAPN1
CAPP1
CPIN
VIO
VBAT2
VBAT1
NC
TEST
C409
0.1
NC
CUR1
NC
CUR2
TP412
R407
120K
IREF
T4
TP411
T3
T2
S402
use
T1
TP410
C402
4.7
C408
1
R405
220
S403
.63A
use
( )
C466
1
C465
100P(CH)
FS401
0.63A
Fuse
R440
470K
C404
1
C405
1
R403
4.7K
D406
RB521S30
C406
1
IC404
LT1937
DC-DC
L411
22 ∝ H
L402
4.7 ∝ H
D405
RD22SL
( ) ( )
D413
RB521S30
D404
RB551V30
L410
33nH
C463
100P(CH)
D403
RD22SL
LED401
NSCW335T
D410
RD22SL
R438
4.7K
L401
4.7 ∝ H
C403
0.1
C464
0 .0 022
5-18 (3-B)
D414
RB520S30
D401
RB520S30
D
S
6.46V
0.09V
0V
C401
0.1
5-14 (5-B)
G
Q403
2SK3019
R454
220
455
70K
D
S
G
C468
0.22
R453
4.7
0.09V
0V
0.01V
Q404
MCH3443
LED_K_M
G
LED_A
G
BL_ICONT
H L
ALL ON LOW LIGHT ON
RECEPTION SIGNAL
EP100
EARPIECE
BACK LIGHT
FPC ASS'Y PWB-F
( ) : Not Mount
7
8
9
10
11
12
Figure 4 SCHEMATIC DIAGRAM (4/24)
5 – 9
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GX20
CONFIDENTIAL
MAIN PWB-A (2/3)
A
MAIN PWB-A(2/3)
RECEPTION SIGNAL
TRANSMISSION SIGNAL
SPEAKER SIGNAL
5-18 (3-D)
VIB_CNT
G
VB
TP110
SP1-1
G
5-18 (6-B)
B
SP2-1
G
TP111
C
D
G
SIMIO
SIMCLK
SIMRST
5-18 (4-G)
G
E
G
5-18 (5-E)
G
KEYPADROW[0-4],KEYPADCOL[0-4]
5-12 (2-F)
5-19 (8-G)
3.0V
VINT
5-18 (3-D)
G
GENIE_CHG
ADPDET
5-18
(4-C, 6-E)
G
CONT1
F
5-18 (4-C)
G
5-18 (3-C)
G
ADP
ADP
5-18 (4-D)
5-18 (3-E)
5-18 (4-E)
5-18 (4-D)
G
RXD
RXD
TXD
TXD
G
G
CD
CD
RTS
CTS
CONT2
RTS
G
CTS
5-18 (4-D)
G
CONT2
5-18 (3-C)
G
3.0V
VINT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
G
ADP
RXD
TXD
CD
RTS
CTS
CONT2
H
JTAGEN
TCK
TMS
TDI
TDO
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
2
3
4
5
6
Figure 5 SCHEMATIC DIAGRAM (5/24)
5 – 10
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