Sharp FO-2970M, Service Manual

Page: 62 / 114

FO-2970MU
6 – 2
1 2 6
4
3
5
BD
E
F
G
I
H
C
A
BD
E
F
G
I
H
C
A
1 2 6 4 3 5
(3-2A)
(3-2G)
D[15:0]
190 191 192 193 194 206 195 196 197 198 199 201 202 203 204 205 62 63 64 65 66 47 48 45 46 43 44 50 57 58 59 60 61 78 79 110 67 55 42 88 208 207 170 158 157 138 104 103 54 53 95 1
2
14
31
49
51
52
70
84
105
106
118
126
137
147
151
155
156
164
169
180
189
200
76
74
75
77
124
125
123
119
121
120
122
34
89
3
29
30
27
28
26
4
35
36
37
38
39
40
41
32
12
172
173
174
175
176
177
178
179
181
182
183
184
185
186
187
188
87
109
73
68
72
71
25
24
23
168
163
160
167
166
165
162
161
159
154
153
152
150
149
148
145
144
143
142
141
127
130
129
128
131
132
69
135
5
139 140 133 134 136 146 171 102 101 100
99 83 82 81 80
113 111 112
85 98 97 96 94 93 92 91 90 86
107 108 117 116 115 114
56
6 7 8 9
18 19 20 21 22 13 15 16 17 10 11
IC15
LR38784A
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
LCPD0
EXINT1Z
TEST1
RTCIO
RTCCE
RTCDT
RTCCK
B4SNS
ORGSNS
FRTSNS
XBPSEI
XBPINI
XBPAF
XBPOFT
BPOSE
BPOPE
BPOBY
XBPOACK
BPBD0
BPBD1
BPBD2
BPBD3
BPBD4
BPBD5
BPBD6
BPBD7
XBPSTB
POUTZ
PINZ
DOPZ
PWRLY
PUS
TC_BIASON
HLON
MCON
PE
MA MB PMDZ APCSTT SAMP VIDEO PRTCLK PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 PRASZ PCASZ PWRZ PA9 PA8 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PEPCKO PEPCKI TPBZ TPAZ TPB TPA USOUT LEDDV4 LEDDV3 LEDDV2 LEDDV1 SEN4Z SEN3Z SEN2Z SEN1Z SEN0Z LD3 LD2 LD1 LD0 RS
11 : LCDACKZ
135 : SYNCZ 5 : LCDREQ
E
CK16M
SDCK
SDE
SD
LCWRZ
LCRDZ
LCINT
BZOUT
LCPD4
MDMINTZ
MDMWRZ
MDMRDZ
MDMRSTZ
MDMCSZ
LCPD3
LCPD2
WE3Z
WE2Z
WE1Z
OE3Z
OE2Z
OE1Z
CASLOZ
CASHOZ
RASOZ
RDWRZ
CASLZ
CASHZ
RASZ
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC
LCPD1
MTST
RESET2Z
WDTOVFZ
RESETZ
BACKZ
BREQ INT5Z INT4Z INT3Z INT1Z
95 : GND 1 : GND
SHCK
DACK1Z DACK0Z
DRAK1
DREQ1Z DREQ0Z
CS1Z CS2Z
WRLZ
WRHZ
RDZ
A1 A2 A3 A4 A5 A6 A7 A8
DRAK0
INT2Z
A9
A10
A0
A11 A12 A13 A20 A21
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
LCPD0
+5V
DG
RTCIO
RTCCE
RTCDT
RTCCK
/B4SNS
/ORGSNS
/FRTSNS
NSELECTIN
NINIT
NAUTOFD
NFAULT
SELECT
PERROR
BUSY
NACK
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
NSTROBE
POUT
PIN
DOP
PWRLY
PUS
TC/BIASON
HLON
MCON
PE
R284
33K
R283
33K
R282
20K
+5V
+5V
C304 680P
DG
R250 470
R253 470
R254 470
R271 47
R275 47
R278 47
R272 47
R273 47
R274 47
R276 47
R277 47
R279 47
R315 47
R301 47
R316 47
R302 47
R317 47
R304 47
R318 47
R305 47
PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0
PA9 PA8 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
/PRAS
/PCAS /PWR VIDEO SAMP APCSTT PMD MB MA LCDREQ
/HSYNC
SYNC
DG
C286
470P
+5V
R280
1K
R281
680
R256
68
12
13
14
7
DG
+5V
10
11
14
7
DG
+5V
R257
0
DG
R259
1M
X4
20.95261MHz
C260
10P
C262
15P
/TPB /TPA TPB TPA USOUT LEDDV4 LEDDV3 LEDDV2 LEDDV1
5 6 7 8
4 3 2 1
BR26
470 x 4
5 6 7 8
4
3 2 1
BR15
10 x 4
R290
0
R291
1M
R268
200
X5
35.5721237MHz
2
1
2
1
C290
0.01
C279
47P
DG
/SEN4 /SEN3 /SEN2 /SEN1 /SEN0 LD3 LD2 LD1 LD0 RS /LCDACK0
5 6 7 8
4 3 2 1
BR17
470 x 4
2
3
4
8
7
6
5
1
BR18
10K x 4
R251
10K
+5V
5 6 7 8
4
3 2 1
BR16
270 x 4
R261
270
R260
100
33
+5V
C261 0.1
C39 0.1
C38 0.1
C40 0.1
C41 0.1
C34 0.1
/CASLO
/CASHO
/RASO
/RDWR
/CASL
/CASH
/RAS
C276
18P
C275
18P
C277
18P
DG
C249
47P
DG
/MDMWR
/MDMRD
/MDMRST
/MDMCS
LCPD3
LCPD2
/WE2
/WE1
/OE2
/OE1
DG C244
1000P
/MDMINT
LCINT
BZOUT
LCPD4
R229
10K
DG
/LCRD
/LCWR
LCPD7
LCPD5
LCPD6
CK16M
C248 C246 C218
N.M.
DG
DG
R262
270
R263
3K
E
A[21:0]
A[10:1]
A0
A11 A12 A13 A20 A21
A1 A2 A3 A4 A5 A6 A7 A8 A9
A10
/DREQ0
/CS1 /CS2
/WRL
/WRH
/RD
/DREQ1
/DACK0
DRAK1 DRAK0
/DACK1
/INT5 /INT4 /INT3 /INT1
SHCK
/INT2
C263 100P
C264
100P
C274 100P
C285 100P
DG DG
C287
47P
C278
1000P
/BACK /BREQ
/RESET
LCPD1
MTP
/RESET2
/WDTOVF
C289
0.1
R288
3.9K
R289
20K
DG
+24VS
CHK24V
DATA CLK CE INTN
XT
XTN
VCC
VSS
RTCDT RTCCK RTCCE RTCIO
7 6 5 1
3 2 8 4
C306
10P
C305
10P
C291
0.1
X6
32.768KHz
DG
IC16
SM8578BV
+5V
R294
10K
R295
10K
R293
4.7K
DG
R292
N.M.
VBAT
IC18E
74HCU04
IC18F
74HCU04 R258
470
L100
0.47
R252
470
C247
1000P
DG
R287 33
R285 33
R286 33
GATE ARRAY
(1-6I)
(1-5I) (1-5I)
(1-4B) (1-4B) (1-4B) (1-4B) (1-4B) (1-4A) (1-4A)
(1-3A) (1-3A) (1-3A) (1-3A)
(1-3A) (1-6B) (1-6B) (1-6B) (1-6B) (1-6B)
(1-5A) (1-5A) (7-5D)
(2-6E) (2-6E) (2-6E) (2-6E)
(1-4B)
(1-4B)
(1-4B)
(1-4B)
(3-4A)
(3-4A)
(3-4A)
(3-4A)
(3-2G)
(3-5A)
(3-2A)
(4-5I)
(4-5I)
(5-3C)
(5-2C)
(5-4C)
(5-4C)
(5-3C)
(4-5I)
(6-1H)
(4-2E)
(4-3E)
(4-3E)
(4-5I)
(4-5I)
(4-5I)
(4-2E)
(9-2A)
(4-5I) (9-2A) (9-1A) (9-1A) (9-1A) (9-1A) (9-2E) (9-1E) (9-1E) (9-1E) (9-1E)
(9-1A) (9-2E) (9-2E) (9-2E) (1-5H) (7-2A) (7-2A) (7-2A) (7-2A)
(3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-2D) (3-2D) (3-2D) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G)
(9-5I)
(9-5E) (9-5E) (9-5E) (9-5E)
(9-5I) (4-5I)
(9-5I)
(1-2B)
(1-6B)
(9-5I)
(9-5E)
(9-5I)
(9-5E)
(9-5I)
(9-5E)
(9-5I)
(9-5E)
(9-5E)
(9-5I)
(9-4I)
(9-4E)
(9-4I)
(9-4E)
(9-4I)
(9-4E)
(9-5I)
(9-5E)
(9-4E)
(9-4I)
(9-4E)
(9-4I)
(9-4E)
(9-4I)
(9-4E)
(9-4I)
(9-2E)
(9-2E)
(9-1E)
(2-1F)
(2-1F)
(2-1F)
(2-1F)
(4-5I)
(1-3C) (4-3E) (4-5I) (4-5I)
/WE3
/OE3
C361 1000P
Gate Array block
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