Sharp AM-300 (serv.man4) Service Manual ▷ View online
AM-300DE
6 – 2
2. Main Controller Block (1b/10)
I
E
F
G
H
E
F
G
H
I
6
5
4
3
2
1
VBAT
C2
N.M.
DG
8
4
7
6
5
1
3 2
SIO
SCK
CS
INT
XIN XOUT
VDD
VSS
IC2
N.M.
RTCXI
RTCXO
R4
N.M.
+3.3V
DG
R8
N.M.
RTC_CLK
RTC_DATA
RTC_CE
SDRAM_DATA[15:0]
DG
R6
4.7K
SDRAM_DATA6
SDRAM_DATA13
SDRAM_DATA12
SDRAM_DATA4
SDRAM_DATA10
SDRAM_DATA3
SDRAM_DATA9
SDRAM_DATA7
SDRAM_DATA8
SDRAM_DATA11
SDRAM_DATA5
SDRAM_DATA15
SDRAM_DATA1
SDRAM_DATA0
SDRAM_DATA14
SDRAM_DATA2
/ROM_CS
SDRAM_DQMA0
/SDRAM_CS0
SDRAM_DQMA1
SDRAM_CLK
R
100
BR2
33 x4
BR4
33 x4
BR1
33 x4
BR3
33 x4
R18
33
R12
33
R10
33
R16
33
R14
33
SDRAM_ADDR[12:0]
DG
R23
N.M. (1608)
SDRAM_ADDR0
SDRAM_ADDR10
SDRAM_ADDR4
SDRAM_ADDR6
SDRAM_ADDR3
SDRAM_ADDR5
SDRAM_ADDR11
SDRAM_ADDR0
SDRAM_ADDR1
SDRAM_ADDR9
SDRAM_ADDR12
SDRAM_ADDR7
SDRAM_ADDR2
SDRAM_ADDR8
BR8
33 x4
BR5
33 x4
R21
33
BR7
33 x4
TDI
TCK
TDO
TMS
/SDRAM_RAS
/SDRAM_WE
/SDRAM_CAS
SDRAM_BANK0
SDRAM_BANK1
R27
33
R25
33
R28
33
R24
33
R26
33
USBFG
5
6
7
8
VBus
D-
D+
GND
Shield1
Shield2
Shield3
Shield4
CNUSB
DUSB-BRA42-T11(D2)-
1
2
3
4
C289
0.47U (3216)
DG
DG
A
K2
K1
D5
N.M.
1
2
3
4
R33
22K
L1
1012AH-1012=P2
DG
R39
33K
C17
0.1U
R428
0
R427
0
/RESET
R29
0
A1
A2
K
D1
N.M.
R30
N.M.
C3
0.01U-K
DG
+1.8V
VRTC
R35
0
R37
N.M.
DG
C4
18P
C5
18P
RTCXO
RTCXI
X1
32.768KHz
R32
0
R34
0
N.M.
DG
R31
DG
R58
0 (1608)
R66
0 (1608)
C15
10U/16V
+3.3V
USB_DM
USB_DP
USB_VBUS
C14
0.1U
C13
0.01U-K
DG
K
A
AK
D2
N.M.
+3.3V
R44
0
DG
C8
0.1U
DG
DG
DG
C274
0.1U
R56
27.4-F (1608)
R63
24.9K-F
R57
27.4-F (1608)
R61
1.5K
R463
0
AG
CISAIN
C22
10U/16V
C30
0.1U
C29
0.1U
C19
0.1U
R84
0 (1608)
AG
DG
+
C28
10U/16V
C27
0.1U
R78
0 (1608)
C25
0.1U
C26
10U/16V
R79
N.M. (1608)
AG
DG
R83
0 (1608)
+
C24
0.01U-K
DG
AG
R459
0 (1608)
R460
0 (1608)
R82
0 (1608)
+1.8V
DG
R87
MMZ1608Y102B
C54
100U/16V
R88
0 (1608)
C53
2.2U (1608)
C52
0.01U-K
C275
1U
DG
C31
0.1U
DG
AG
98
97
96
94
93
92
91
89
88
87
86
83
82
81
80
78
77
103
104
118
102
101
99
123
122
119
116
114
113
112
111
109
108
107
106
124
125
127
128
129
130
161
173
176
174
175
189
190
138
139
187
186
140
137
200
197
199
195
194
192
193
196
198
191
188
165
163
162
168
169
167
164
170
166
41
51
46
42
43
44
45
47
48
49
50
38
10
22
66
76
85
95
105
115
121
131
141
152
184
185
160
171
182
207
(1-C3)
(1-C3)
(1-C3)
(2-C2)
(2-B3)(2-E6)
(2-B4)
(2-B4)(2-C2)
(2-B4)(2-C2)
(2-B5)
(2-B5)
(2-A6)(2-B3)
(1-F4)
(1-F4)
(2-B5)(2-C2)
(2-B5)(2-C2)
(2-B5)(2-C2)
(2-B5)(2-C2)
(2-B5)(2-C2)
(2-G5)
(2-G5)
(2-G5)
(2-G5)
(2-A2)(2-D2)
(2-G5)(2-H3)
(1-H5)
(1-H5)
(4-F6)
+3.3V
+3.3VR
+3.3V
+3.3V
+3.3V
SDRAM_CKE
2
+
+
33 x
+
Main Controller Block (2/2)
1/10
AM-300DE
6 – 3
3. Memory Block (2/10)
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
SDRAM_ADDR[12:0]
SDRAM_ADDR8
SDRAM_ADDR12
SDRAM_ADDR3
SDRAM_ADDR7
SDRAM_ADDR4
SDRAM_ADDR10
SDRAM_ADDR1 SDRAM_ADDR2
SDRAM_ADDR5
SDRAM_ADDR0
SDRAM_ADDR11
SDRAM_ADDR9
SDRAM_ADDR6
/SDRAM_CS0
SDRAM_DQMA1
/SDRAM_CAS
/SDRAM_WE
SDRAM_CKE
/SDRAM_RAS
SDRAM_BANK0
SDRAM_DQMA0
SDRAM_BANK1
SDRAM_CLK
18
16 17
20 21
23 24 25 26 29 30 31 32 33 34 22 35
15 39
19
38 37
36
40
IC4
2M*16bit*4bank
SDRAMi
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12
BA0 BA1
WE
CS
RAS
CAS
LDQM UDQM
CLK CKE
N.C.
VS
S
VSS VSS
VDD
VDD
VDD
VSSQ
VSSQ
VSSQ
VSSQ
28 41 54
27
14
1
52
46
12
6
VDDQ
VDDQ
VDDQ
VDDQ
DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15
49
43
9
3
2 4 5 7 8 10 11 13 42 44 45 47 48 50 51 53
C68 1U
C70 1U
C69 1U
+3.3V
DG
DG
+3.3V
C66 1U
C67 1U
C64 1U
C65 1U
BR14 33
x4
BR13 33
x4
BR12 33
x4
BR11 33
x4
SDRAM_DATA14
SDRAM_DATA2
SDRAM_DATA12
SDRAM_DATA10
SDRAM_DATA6
SDRAM_DATA8
SDRAM_DATA4
SDRAM_DATA11
SDRAM_DATA15
SDRAM_DATA13
SDRAM_DATA0
SDRAM_DATA7
SDRAM_DATA1
SDRAM_DATA9
SDRAM_DATA3
SDRAM_DATA5
SDRAM_DATA[15:0]
TP68
TP69
TP72
TP70
TP73
TP67
TP71
R97
N.M.
R95
N.M.
R96
N.M.
R93
N.M.
R94
N.M.
+3.3V
10K
10K
10K
10K
R90
R89
R92
R91
TCK
TDI
TMS
TDO
/RESET
DG
/RESET
R98 1K
C71
1U
(1608)
1 2 34
5
IC5
PST596CMT
M/R SUB GND
VO
U
T
VCC
SDRAM_DATA5
SDRAM_DATA7
SDRAM_DATA1
SDRAM_DATA0
SDRAM_DATA6
SDRAM_DATA4
SDRAM_DATA3
SDRAM_DATA2
SDRAM_ADDR0
29 31 33 35 38 40 42 44 30 32 34 36 39 41 43 45
C73 0.1U
27
46
37
DG
+3.3V
GND
GND
VCC
IO0 IO1 IO2 IO3 IO4 IO5 IO6 IO7 IO8 IO IO10 IO11 IO12 IO13 IO14 IO15
LH28F160BJE-BTL90
IC6
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17
A19 N.C.(A20)
A18
25 24 23 22 21 20 19 18 8 7 6 5 4 3 2 1 48 17
9 10
16
13 14
11
12
47
26
28
15
VCCW WP
WE
RP
BYTE
CE
OE
RY/BY
DG
DG
R103
0
C75 1000P
/RESET
/ROM_CS
SDRAM_DQMA0
SDRAM_DQMA1
SDRAM_DATA8 SDRAM_DATA9 SDRAM_DATA10
SDRAM_BANK0
/SDRAM_RAS
/SDRAM_CAS
SDRAM_BANK1
/SDRAM_WE
SDRAM_ADDR2
SDRAM_ADDR1
SDRAM_ADDR6
SDRAM_ADDR12
SDRAM_ADDR11
SDRAM_ADDR5
SDRAM_ADDR9
SDRAM_ADDR4
SDRAM_ADDR7
SDRAM_ADDR3
SDRAM_ADDR10
SDRAM_ADDR8
SDRAM_ADDR[12:0]
SDRAM_DATA[15:0]
DG
DG
/FLASH_WP
R104 4.7K
C76 0.1U
DG
DG
C74 0.1U
R102 N.M.
+3.3V
DG
R99 N.M.
G
D
S
Q1 N.M.
C72 N.M.
R100
0
R101 N.M.
Q2 N.M.
B
E
C
DG
/RESET
(1-G6)(2-B3)
(1-G6)
(1-F6)(2-C2) (1-F6)(2-C2)
(1-F5)
(1-F5)
(1-G5)(2-B3)
(1-F5)(2-C2)
(1-F5)(2-C2)
(1-F5)(2-C2)
(1-F5)(2-C2)
(1-F5)(2-C2)
(1-C3)
(1-F6)
(1-G6)(2-E6)
(1-F6)(2-B4)
(1-F6)(2-B4)
(1-G5)(2-A6)
(1-F5)(2-B5)
(1-F5)(2-B5)
(1-F5)(2-B5)
(1-F5)(2-B5)
(1-F5)(2-B5)
(1-G4)(2-D2) (2-G5)(2-H3)
(1-G4)(2-A2) (2-G5)(2-H3)
(1-F4)
(1-F4)
(1-F4)
(1-F4)
(1-G4)(2-A2) (2-D2)(2-G5)
(1-G4)(2-A2)(2-D2)(2-H3)
Memory
Block
2/10
DG
+5V
+3.3V
AM-300DE
6 – 4
4. User I/F, Regulator Block (3/10)
H
I
A
B
C
D
E
F
G
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
6
5
4
3
2
1
R105 N.M.
BAT1T
N.M.
DG
+3.3V
A1
A2
K
D3
N.M.
VBAT
VBAT
TP4
C55 N.M.
C77 N.M. (1608)
3
IC7 N.M.
VIN
V
OUT
VSS
1
2
C78 N.M.
(1608)
VRTC
TP5
VRTC
DG
IC8
FAN1117AD18X
D4
1SS355
A
K
32
1
VIN
GND
VOUT
+1.8V
+1.8V
TP6
C81 47U/16V
C80 0.1U
DG
+3.3V
C79 0.1U
C82
1U
(1608)
AG
+5V
3
4
AG
2
5
1
VOUT
VSS
N.C.
CE
VIN
IC9
XC6219B332PR
+3.3VR
C83 1U
(1608)
AG
DG
AG
R135 0
(1608)
R134
0
(1608)
/SEN2
/SEN1
/STRB0
/SEN3
VLED
/SEN0
/STRB1
C95
100P
C92
270P
C94
100P
C98
N.M.
C97
100P
C93
270P
C96
100P
R109
33
R108
33
R107
33
R110
33
TP10
TP14
TP12
TP8
DG
DG
16
14
12
10
8
6
4
2
HLW16S-2C7
CNPN
STRB1
STRB0
SEN3
SEN2
SEN1
SEN0
DG
VLED
1
3
5
7
9
11
13
15
16
14
12
10
8
6
4
2
STRB2
STRB3
STRB4
STRB5
STRB6
STRB7
+3.3V
E
15
13
11
9
7
5
3
1
TP11
TP13
TP9
TP7
+3.3V
DG
C87
270P
C88
270P
C85
270P
C86
270P
C89
270P
C91
0.1U
C84
270P
C90
270P
/STRB4
/STRB6
/STRB3
/STRB7
/STRB2
/STRB5
DG
R106 4.7K
LCD_E
PB_DATA[7:0]
PB_DATA0
PB_DATA2
PB_DATA7
PB_DATA6
PB_DATA3
PB_DATA1
PB_DATA5
PB_DATA4
R115
270
R116
270
R121
270
R117
270
R118
270
R122
270
R119
270
R120
270
C99 0.1U
DG
18 16 14 12 9 7 5 3
20
10
IC10
74LV244A
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4
1G 2G
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
VCC
GND
2 4 6 8 11 13 15 17
1 19
/PANEL_CS
+3.3V
33K
33K
33K
33K
R112
R114
R111
R113
/SEN1
/SEN3
/SEN2
/SEN0
/MDREADY
/MDCRDY
/EXHS
/MEPRDY
+3.3V
(1-C5)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(3-D2)
(3-C1)
(3-C1)
(3-C1)
(3-C1)
(1-C5)
(1-B5)(5-B5)
(3-F3) (3-F3) (3-F3) (3-F3)
(5-E1)
(6-B5) (6-B5) (6-B5)
User
I/F,
Regurator
Block
3/10
+
+
+
AM-300DE
6 – 5
5. Scanner & Printer I/F Block (4/10)
A
B
C
D
E
F
G
H
I
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
CNCIS
CNCIS
HLW12S-2C7
AO
GND
(VDD)
GND
VDD
(SEL)
VREF
(GND)
SP
CLK
VLED
BLED_GND
GLED_GND
RLED_GND
NC
TP16
TP17
TP25
TP20
R404
100K
33
R429
C273 0.1U
DG
GLEDR
GLEDG
GLEDB
AG
R396 N.M.
R392
0
R395
270
R398 18P
AG
B
C
E
R457 N.M.
N.M.
R456 N.M.
TP78
Q36
AG
R458
0
CISAIN
L6
MMZ1005Y102C
C270 33P
C287
0.1U(1608)
DG
DG
CISLEDV
C269 10P
CISSPO
CISCLKO
CISVDD
DG
R406 N.M.
R403
0
(1608)
B
C
E
Q35 N.M.
AG
R455
0
R454 N.M.
C268 0.1U
CISVDD
AG
DG
R412 100
R413
N.M.
(1608)
C267
47U/16V
R411
270
CISVDD
R401 0
(1608)
R402
N.M.
(1608)
R400
N.M.
(1608)
AG
DG
CISVDD
R461
N.M.
(1608)
R462
N.M.
(1608)
DG
AG
CISVDD
C264 0.1U
C263
220U/25V
R390
N.M.
(1608)
TP21
DG
AG
+5V
+3.3V
+3.3VR
R388
MMZ1608Y102B
R385
N.M.
(1608)
R387
N.M.
(1608)
B
C
E
GLEDG
GLEDB
Q29 2SC2412K
Q30 2SC2412K
B
C
E
DG
DG
DG
DG
1K
R436
R409 4.7K
R394 4.7K
R438 1K
R437 10K
R439 10K
CISBLED
CISGLED
CISRLED
DG
R445 1K
R417 4.7K
R446 10K
DG
C
E
B
Q31 2SC2412K
R443 N.M.
R442 N.M.
GLEDR
CISLEDV
+24V
B
C
E
Q32
2SA1530A
R444 6.8K
R447 20K
R448 20K
CISVON
DG
DG
Q34
RT1N436C
B
E
C
R449 4.7K
DG
C284
0.1U
(1608)
C283 N.M.
A
K
D24
1SS355
IC36
NJM78L12UA
31
2
VIN
VSS
VOUT
R440
560-F
(1/2W)
R441
560-F
(1/2W)
C285
0.1U
(1608)
DG
12
CISLEDV
F8
KAB5002
201
NA29010
B
C
E
Q33 2SA1530AA
R453 33
C286 0.1U
+5V
R450
150
(3216)
DG
DG
R451 150
(3216)
R452 2K
/ADF_SET_DOC
DG
C 1000P
C114
R142
R140 10K
+3.3V
1
2
DG
/FRSNS
GND
CNFRT
CNFRT
B2B-PH-K-R
GND
2
/ORGSNS
1
CNORG
CNORG
B2B-PH-K-M
DG
R154 10K
R155
100
DG
1000P
C118 1000P
/ADF_READ_DOC
+3.3V
/CIS_HOME
C125 1000P
DG
R159
100
R158 10K
+3.3V
DG
GND
2
/HOME
1
CNHPS
CNHPS
A2001WV2-2P
/MDPAGE
/MCPRDY
/MSCLK
/MDSRDY
MPDATA
/MCMD
100
100 100
100
100
100
R171
R166 R167
R165
R170
R168
18 16 14 12 9 7 5 3
20
10
DG
IC15
74AHCT244PW
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4
1G 2G
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
VCC
GND
2 4 6 8 11 13 15 17
1 19
+5V
C127 0.1U
DG
R172 4.7K
DG
/DSRDY
/CPRDY
PDATA
/SCLK
/CMD
/DPAGE
/MPCURES
DG
B
E
C
Q8
RT1N436C
+3.3V
R162 1.5K
PCURESET
CNSCM
CNSCM
B4B-PH-K-S
A
B
/A
/B
1
2
3
4
MG
C121
4700P(1608)
C119
4700P(1608)
C122
4700P(1608)
C120
4700P(1608)
/SCNMTA
SCNMTB
/SCNMTB
SCNMTA
A
K
A
K
A
K
A
K
D10
D7
D8
N.M.
N.M.
N.M.
N.M.
D9
MG
+24V
MG
C124 100U/50V
C123
N.M.
(1608)
12
F3
KAB3202
202
NA29
MG
R156
0.47
(1W)
R146
0.47
(1W)
MG
3
5
7
8
10
12
19
24
2 13
TAB
VmmA
Out1
RsA
Out2
Out3
RsB
Out4
VmmB
VsB
VsA
TAB
MTD2007F
N.C.
N.C.
N.C.
LG
N.C.
N.C.
N.C.
6
4
1
15
16 17 18
20
21
22
23
25
26
27
28
14
11
9
Vcc
PHASEB I0B I1B
VrefB
CR
VrefA
I1A
I0A
PHASEA
Vcc
IC12
+5V
VLED
B
E
C
Q7
RT1P141C
DG
+5V
C117 0.1U
TP28
C116 4700P
R153 13K
+5V
DG
TP26
R149
N.M.
R150
N.M.
R151
N.M.
R148
N.M.
R147
N.M.
R145
N.M.
18 16 14 12 9 7 5 3
20
10
DG
+5V
C115 N.M.
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
VCC
GND
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4
1G 2G
N.M.
IC13
2 4 6 8 11 13 15 17
1 19
SCAN_PH1 SCAN_I01 SCAN_I11
SCAN_I12
LEDON
SCAN_PH2 SCAN_I02
DG
DG
RT1N436C
Q4
B
E
C
DG
DG
R137 4.7K
TP29
TP27
R144 3.3K
R143 10K
DG
B
E
C
Q6
RT1N436C
DG
R152 4.7K
B
E
C
Q5
R157 4.7K
RTT1N436C
DG
DG
R139 3.9K
R141 4.7K
DG
+5V
CRNT1
CRNT0
/STS /SYNC /VSYNC
CISCLKO
CISSPO
DG
+3.3V
R169
100
R422
150
C126 1U
R160
100
R161
100
R421
150
18 16 14 12 9 7 5 3
20
10
IC14
74LV244A
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4
1G 2G
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
VCC
GND
2 4 6 8 11 13 15 17
1 19
DG
R163
N.M.
R164
N.M.
R173
N.M.
R420
N.M.
R419
N.M.
/MSTS
/MSYNC
/MVSYNC
CISSP
CISCLK
(1-C3)
(1-C3)
(1-C3)
(1-C3)
(4-H5)
(4-H5)
(1-C6)
(1-B4)
(1-B4)
(1-C3)
(1-A3)
(4-G6) (4-G5)
(6-F4)
(6-B6)(7-B2)(7-B4)(7-D3)
(6-B5)
(1-C5)
(1-C4)
(1-C4)
(1-C4) (1-C4) (1-C4) (1-C4) (1-C4) (1-C4)
(3-F3)
(1-F3)
(4-C1)
(4-C1)
(1-C5)
(1-C5)
(1-C5)
(1-C6)
(1-C6) (1-C6)
(1-C3)
(1-C3)
(1-C3) (1-C3)
(6-B4)(6-G2)(9-A4)
(7-D5) (6-B5) (6-B4) (6-B5) (6-F4) (6-F4)
100
CISVDD
+
R
+
+
+
C
Scanner
&
Printer
I/F
Block
4/10
NOTE:
This
mark
indicates
a
safety-critical
part(s).
