Sharp AL2020 Service Manual

AL-2020/2035/2040/2050/2060 CIRCUIT DIAGRAM 14 - 37
A2 A1 A0 A3 A5 A6 A7 A4 A8 A9 A12 A14 A16 A17 A13 D1 D3 D5
D7
A19 A20 D4
MCU_D0 MCU_D7 MCU_D6 MCU_D5 MCU_D3 MCU_D2 MCU_D1
PB_AE0L PB_WEL PB_OEL D7 D1 D4 D5
MCU_D0 MCU_D2 MCU_INT MCU_D7
MCU_CEL
PB_CS1L D6 D3 D2 D0
MCU_D6 MCU_D5 MCU_D4 MCU_D3 MCU_D1
PB_D7 PB_D6 PB_D5 PB_D4 PB_D3 PB_D2 PB_D1 PB_D0
D6
A11
CS_OP1L
PB_A1
A10
MCU_D4
PB_A0 PB_A6 PB_A5
A15
CS_OP2L
PB_A3 PB_A4
A18 D2
A21
PB_A2
D0
PB_A7
PB_D7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 PB_A0 PB_A1 PB_A2 PB_A3 PB_A4 PB_A5 PB_A6 PB_A7 PB_D0 PB_D1 PB_D2 PB_D3 PB_D4 PB_D5 PB_D6
MCU_OEL
WEL OEL CS_FL CS_ML CS_S0L F_RYBY
RESETL M_RESETL
WAKE_UP
GND
+3.3V
GND
GND
GND
+3.3V
GND GND
GND
GND
GND
+3.3V
+3.3V
+3.3V
+3.3V
GND
+3.3V
GND
+3.3V
GND
+3.3V
GND GND GND
+3.3V +3.3V
+3.3V
+3.3V
+3.3V +3.3V +3.3V
+3.3V
+3.3V
GND
GND
GND
GND
GND
GND
+3.3V
GND
GND
A[21:0] PB_A[7:0] MCU_D[7:0]
EXHKD_L
F_RYBY
VOL_C VOL_B VOLCNT_A
BZ
OEL WEL
MCU_CEL MCU_OEL
RGDT-
CS_ML
CID_L EXHKD_L
MCU_INT
CLKIN
PB_D[7:0]
L_BT-
C_BT
CS_S0L RTC_CE0H
VOLCNT_B
WEL
S
SPMUTE
RTC_CLK
RESETL
VOL_A
RTC_DATA
M_RESETL
CS_FLCID_L
D[7:0]
HS2_L HS1_L
F_WP
PB_CS1L PB_AE0L PB_WEL PB_OEL
FL18 (N.M.)
TP129
TP233
IC7
P2782A-08SR
Xin
1
Xout
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
TP148
TP264
TP114 TP130
FL12 (N.M.) FL17 (N.M.)
uPD65944GM-P07-JED-A
IC8
FAX_DATA_05
90
PB_ADDR_03
13
PB_DAT_05
2
PB_DAT_03
4
PB_DAT_01
6
PB_ADDR_05
11
PB_ADDR_07
9
PB_OE_N
23
PB_AE0_N
19
PB_ADDR_01
15
VDD
1
PB_DAT_04
3
PB_DAT_02
5
PB_DAT_00
7
PB_ADDR_06
10
PB_ADDR_04
12
PB_ADDR_02
14
PB_ADDR_00
16
RESET_N
24
WAKE_UP
25
FAX_DATA_04
91
FAX_DATA_03
92
FAX_DATA_02
93
FAX_DATA_01
94
FAX_DATA_00
95
FAX_DATA_06
74
FAXADD_00
96
PB_CE2_N
17
PB_CE1_N
18
VDD
20
GND
21
PB_WR_N
22
TESTMODE0
8
FGPI_07
26
FGPI_06
27
FGPI_05
28
FGPI_04
29
FGPI_03
30
FGPI_02
31
FGPI_01
32
FGPI_00
33
FGPIO_07
34
FGPIO_06
35
FGPIO_05
36
FGPIO_04
37
TCK
38
TRST
39
GND
42
TMS
43
NC
44
TDI
45
TDO
46
FGPIO_03
47
FGPIO_02
48
FGPIO_01
49
FGPIO_00
50
TELELIN
51
BEEP_O_V1
52
BEEP_O_V2
53
FGPO_00
72
FGPO_01
71
FGPO_02
70
FGPO_03
69
FGPO_04
68
FGPO_15
54
FGPO_14
55
FGPO_13
56
FGPO_12
57
GND
58
FGPO_11
59
FGPO_10
60
FGPO_09
61
FGPO_08
62
GND
63
VDD
64
FGPO_07
65
FGPO_06
66
FGPO_05
67
FAX_DATA_07
73
VDD
75
GND
76
XIN
77
XOUT
78
GND
79
GND
80
VDD
81
CLKSEL
82
TMD1
85
TMD2
86
TESTB
87
TOUT
88
TMD0_OUT
89
FAXADD_01
97
FAXADD_02
98
FAXADD_03
99
VDD
100
GND
101
FAXADD_04
102
FAXADD_05
103
FAXADD_06
104
FAXADD_07
105
FAXADD_08
106
FAXADD_09
107
FAXADD_10
108
FAXADD_11
109
FAXADD_12
110
FAXADD_13
111
GND
112
FAXADD_14
113
FAXADD_15
114
FAXADD_16
115
FAXADD_17
116
FAXADD_18
117
FAXADD_19
118
FAXADD_20
119
FAXADD_21
123
VDD
120
GND
121
GND
122
FAXWR_N
124
FAXOE_N
125
FAXCS_N_05
126
FAXCS_N_04
127
FAXCS_N_03
128
FAXCS_N_02
129
FAXCS_N_01
130
FAXCS_N_00
131
RTC_SDATA
132
RTC_SCLK
133
RTC_CE
134
RTC_ION
135
UART_SIN
136
UART_SOUT
137
UART_CTS
138
UART_RTS
139
FAXWRIN_N
140
GND
141
VDD
142
CPU_DT_07
143
CPU_DT_06
144
CPU_DT_05
145
CPU_DT_04
146
GND
147
CPU_DT_03
148
CPU_DT_02
149
CPU_DT_01
150
CPU_DT_00
151
GND
152
VDD
153
CPU_RD_N
154
CPU_CS_N
155
CPU_INT_N
156
PB_DAT_07
157
PB_DAT_06
158
GND
159
GND
160
GND
41
VDD
40
TMD0
84
SYSCLK_IN
83
BR16
MNR04 47
1 2 3 4 5
6 7 8
TP219
BR17
MNR04 47
1 2 3 4 5
6 7 8
+
C109
A47u/25V
R140 10K
BR15
MNR04 100
1 2 3 4 5
6 7 8
TP118 TP179
TP171
TP260
R142 10K
TP258
C104
100pF
BR2
MNR04 (N.M.)
1 2 3 4 5
6 7 8
TP149
TP232
R122 10K
R129
75
BR4
MNR04 (N.M.)
1 2 3 4 5
6 7 8
BR12
MNR04 100
1 2 3 4 5
6 7 8
TP257
TP190
TP176
TP294
FL11 (N.M.)
TP168
TP122
TP150
TP161
TP163
JP2 T2B-SQ
BR13 MNR04 100
1 2 3 4 5
6 7 8
TP231
TP246
TP99
R86 10K
TP184
C72 270pF
R83 10K
TP226
TP183
TP259 TP276
TP156
R84 10K
TP166
TP123
+
C102
A47u/25V
R82 10K
TP230
BR26
MNR04 10K
1 2 3 4 5
6 7 8
R109 22K
BR14
MNR04 100
1 2 3 4 5
6 7 8
TP188 TP128
R145 22K R110 22K
R114 33
FL16 (N.M.)
R111 22K
TP223
TP146
TP274 TP180
TP173
C101 100pF
TP140 TP165
TP121
BR29
MNR04 10K
1 2 3 4 5
6 7 8
TP273
TP256
TP213
TP185
FL15 (N.M.)
FL20 (N.M.)
TP159
TP191
TP241
TP236
BR18
MNR04 0R
1 2 3 4
5 6 7 8
R124 10K
TP224
BR19
MNR04 0R
1 2 3 4 5
6 7 8
TP243
TP160 TP127
R136 10K
FL19 (N.M.)
BR28
MNR04 100
1 2 3 4 5
6 7 8
TP221
TP181
TP98
BR6
MNR04 10K
1 2 3 4 5
6 7 8
R72 100
BR5
MNR04 0R
1 2 3 4 5
6 7 8
R132 100
TP157
TP112 R74 100
TP139
TP192
R79 100
TP217
TP135
C64 18pF
TP137
TP279
TP177
TP261
TP266
C62 18pF
R95 510
TP235
TP141 TP90
R71 0R
TP143
TP158
TP170
TP194
R133 10K
C59 18pF
TP251
R126 10K
TP228
TP124
R120 100
TP244
TP269
R121 100
R139 10K
R131 100
BR27
MNR04 100
1 2 3 4 5
6 7 8
TP240
R146 22K
R130 100
TP222R85 10K
FL21 (N.M.)
TP97
TP76
R78 10K
TP238
TP95
R77 10K
R125 0R (N.M.)R75 10K
TP290
C73
F0.1u/16V
R80 10K
R127 10K(N.M.)
TP186
TP268
TP331
TP125
TP147
R123 10K
TP145
TP155
TP193 TP134
C71 F0.1u/16V
TP234
TP172
TP267
TP275 TP281 TP131
TP153 TP164
TP126
TP151
TP110 TP132
R107 100
TP328
TP270
R108 10K
R90 22K R89 22K
R106 10K
TP225
TP133
TP245
TP119
BR8
MNR04 10K
1 2 3 4 5
6 7 8
R138 10K
R88 22K R137 7.5k
R144 10K
BR9
MNR04 10K
1 2 3 4 5
6 7 8
BR21
MNR04 22K
1 2 3 4 5
6 7 8
R135 10K
TP227
TP262
R70 10K
R143 10K
R141 10k
BR10
MNR04 10K
1 2 3 4 5
6 7 8
BR22
MNR04 (N.M.)
1 2 3 4 5
6 7 8
TP138
TP169
TP278
TP178
TP252
TP106
BR30
MNR04 10K
1 2 3 4 5
6 7 8
R76
10K(N.M.)
BR11
MNR04 10K
1 2 3 4 5
6 7 8
BR23
MNR04 (N.M.)
1 2 3 4 5
6 7 8
TP136
BR25
MNR04 10K
1 2 3 4 5
6 7 8
R134 10K
TP167
C107
F0.1u/16V
TP254
TP237
C82
F0.1u/16V
TP152
TP195 TP215
C84
F0.1u/16V
C105
F0.1u/16V
C103
F0.1u/16V
TP327
TP263
TP87
C81
F0.1u/16V
BR3
MNR04 0R
1 2 3 4 5
6 7 8
TP142 TP162
TP187
C106
F0.1u/16V
TP144
TP255
TP280
C79
F0.1u/16V
TP249
TP154
TP250
TP189
TP96
TP182
BR24
MNR04 22K
1 2 3 4 5
6 7 8
D8 DA204U
FL22 (N.M.)
C83
F0.1u/16V
C80
F0.1u/16V
TP229
R2001 0R R128 0R
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
D D C C
B B A A
FAX MAIN PWB (ASIC_NEW_CILF) (AL-2060) 5/6

Sharp AL2020 Specifications

General

Brand	Sharp
Model	AL2020
Category	All in One Printer
Language	English