Sharp AR-235 (serv.man5) Service Manual ▷ View online
AR-235/275 CIRCUIT DIAGRAM - 23
JP101 OPEN:JBIG IC PLL ON
(11-B3)
(3-B2)
SDA
MEMCLK
STBY
1
GND
2
OUT
3
VCC
4
STBY
1
GND
2
OUT
3
VCC
4
XIN
1
XOUT
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
VCC
1
RXD2
2
TXD2
3
RCRDY
4
GND
5
1
1
1
BUFIN
9
SCLOCK
15
SDATA
14
VDD
1
VDD
5
VDD
13
VDD
20
VDD
24
VDD
28
GND
4
GND
8
GND
16
GND
17
GND
21
GND
25
SDRAM0
2
SDRAM1
3
SDRAM2
6
SDRAM3
7
SDRAM4
10
SDRAM5
11
SDRAM6
18
SDRAM7
19
SDRAM8
22
SDRAM9
23
SDRAM10
26
SDRAM11
27
SDRAM12
12
R258
10
R108
10
R107
3.3K
C127
10000p
C257
0.1u
X102
33.3MHz
R105
22
X101
56.3MHz
C120
0.1u
IC115
FS781
CN3
B5B-PH
R206
0
R207
0
R205
10K
R209
10K
C150
0.1u
L209
Chip B
R106
22(NP)
JP100
2.5mm(NP)
R102
33
C119
47p
C216
1000p
C134
1000p
C136
15p
R204
0(NP)
R208
0
L106
Chip B
TP113
TP114
TP115
IC121
W40S11
C141
22u/10V
+
C258
0.1u
L101
Chip B
C151
0.1u
C152
0.1u
C137
0.1u
C133
0.1u
C135
0.1u
R259
10
R260
10
R261
10
R262
10
R263
10
R272
10
R271
10
R270
10
R269
10
R268
10
C141A
22u/10V(NP)
+
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC5
VCC3
VCC3
SDA
MCK1-0
MCK1-1
MCK1-2
MCK1-3
MCK2-0
MCK2-1
MCK2-2
MCK2-3
SDRAMCLK
PAGEMCLK
ASICCLK
SCL
OSCSTBY
OSCSTBY
VCLK
JBIGCLK
RXD1B
RCRDY
TXD1B
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
CLK-DRIVER
10/11
AR-235/275 CIRCUIT DIAGRAM - 24
(1-B3)
(2-A4)
(2-A4)
(1-B3)
(2-A4)
(1-B3)
(3-A3)
(8-C2)
(10-D2)
(1-A3)
(1-B2)
(1-D2)
(3-B2)
(3-B2)
(3-B2)
(3-B2)
(1-D3)
(1-D3)
(2-A1)
(1-D3)
(8-C2)
(2-A1)
(1-D3)
(8-C2)
(2-A1)
(1-D3)
(6-A4)
(6-A1)
(6-A1)
(6-A1)
(6-A1)
(6-A1)
(6-A1)
(9-A4)
(9-A4)
(9-A4)
(9-A4)
(9-A3)
(1-D2)
(8-C3)
(9-A3)
(9-C2)
(1-D3)
(9-A4)
(9-E3)
(3-D3)
(9-D3)
(9-D3)
(9-E2)
(9-E2)
(1-D4)
(9-C3)
(8-E3)
(3-D2)
(3-D2)
(3-D2)
(3-D2)
(3-B3)
(3-B3)
(3-B3)
(3-B3)
(1-B2)
(8-C3)
(5-B4)
(7-D4)
A3
DCSN1
A8
A4
DCSN2
A6
A5
DCSN3
A1
A2
A7
DCSN0
A9
D13
D12
D11
D3
D9
D8
D1
D2
D6
D7
D0
D4
D5
D10
D15
D14
MCSN0
MCSN1
MCSN2
MCSN3
MCSN4
MCSN5
MCSN6
MCSN7
MCSN8
MCSN9
DA0
DA1
DA2
DA3
DA8
DA9
DA10
DA11
DA4
DA5
DA6
DA7
DA12
DA13
DA14
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD15
DD14
DD14
DD0
DD1
DD2
DD5
DD4
DD4
DD6
DD7
DD14
DD12
DD13
DD11
DD10
DD10
DD8
DD9
DD3
DD15
MA8
MA0
MA7
MA12
MA5
MA6
MA3
MA1
MA10
MA14
MA4
MA11
MA9
MA2
MA13
GDATA14
GDATA5
GDATA11
GDATA6
GDATA3
GDATA15
GDATA4
GDATA4
GDATA10
GDATA9
GDATA2
GDATA15
GDATA10
GDATA12
GDATA1
GDATA7
GDATA14
GDATA7
GDATA11
GDATA0
GDATA3
GDATA13
GDATA12
GDATA5
GDATA8
GDATA0
GDATA2
GDATA1
GDATA9
GDATA13
GDATA6
GDATA8
JD3
JD5
JD1
JD7
JD11
JD9
JD0
JD0
JD2
JD15
JD8
JD15
JD14
JD6
JD12
JD13
JD6
JD4
JD11
JD1
JD10
JD14
JD9
JD5
JD13
JD7
JD[15..0]
JD10
JD8
JD4
JD2
JD12
JD3
1
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
1
1
1
1
1
1
RESETN
2
CLK
3
D0
22
D1
21
D2
20
D3
19
D4
17
D5
16
D6
14
D7
13
D8
12
D9
11
D10
10
D11
9
D12
8
D13
7
D14
6
D15
5
AH16
24
AH17
23
AL1
35
AL2
34
AL3
33
AL4
32
AL5
31
AL6
30
AL7
29
AL8
26
AL9
25
CPUCLK
45
CSN
47
HWRN
38
LWRN
39
RDN
40
WAITN
41
IRQN
42
PCIREQN
73
PCIACKN
74
PCIWRN
76
PCIRDN
77
IDRQN
55
IDAKN
56
IDWRN
58
IDRDN
59
ESREQ0PN
62
ESACK0PN
63
ESCS0PN
65
ESREQ1PN
66
ESACK1PN
67
ESCS1PN
68
GDIENN
70
GDICK
69
GDOCK
71
GDOENN
72
TEST0
109
TEST1
108
TEST2
101
GDATA0
96
GDATA1
95
GDATA2
94
GDATA3
93
GDATA4
91
GDATA5
90
GDATA6
88
GDATA7
87
GDATA8
86
GDATA9
85
GDATA10
84
GDATA11
83
GDATA12
82
GDATA13
81
GDATA14
80
GDATA15
79
GND3
4
GND3
18
GND3
28
GND3
37
GND3
46
GND3
60
GND3
64
GND3
78
GND3
92
GND3
106
GND3
112
GND3
120
GND3
124
GND3
138
GND3
146
GND3
148
GND3
150
GND3
153
GND3
166
GND3
173
GND3
180
GND3
184
GND3
198
GND3
203
GND3
212
GND3
226
GND3
231
GND3
240
DD0
171
DD1
170
DD2
169
DD3
168
DD4
167
DD5
165
DD6
164
DD7
162
DD8
161
DD9
160
DD10
159
DD11
158
DD12
157
DD13
156
DD14
155
DD15
154
RETN
102
TM2
151
DWEN
122
DCASN
119
DRASN
118
DCKE
115
DDQM
114
DCSN0
123
DCSN1
125
DCSN2
126
DCSN3
127
DA0
144
DA1
143
DA2
142
DA3
141
DA4
140
DA5
139
DA6
137
DA7
136
DA8
134
DA9
133
DA10
132
DA11
131
DA12
130
DA13
129
DA14
128
VCLKIN
116
PSCLK
113
VCLK0
110
VCLK30M
107
ESPRDLN
105
ESPRDN
104
VIDEOCLK
100
LSYNCN
99
HSYNCN
98
ESPAGEN
97
MDIR
217
MENLN
216
MENHN
215
MCKE
214
MDQML
213
MDQMH
211
MWEN
210
MCASN
208
MRASN
207
CDRDN
54
CDWRN
53
CDAKN
52
CDRQN
51
MCSN0
193
MCSN1
194
MCSN2
196
MCSN3
197
MCSN4
199
MCSN5
200
MCSN6
201
MCSN7
204
MCSN8
205
MCSN9
206
MA0
192
MA1
191
MA2
190
MA3
189
MA4
188
MA5
187
MA6
186
MA7
185
MA8
183
MA9
182
MA10
179
MA11
178
MA12
176
MA13
175
MA14
174
VCC3
237
VCC3
223
VCC3
209
VCC3
202
VCC3
195
VCC3
181
VCC3
177
VCC3
172
VCC3
163
VCC3
152
VCC3
149
VCC3
147
VCC3
145
VCC3
135
VCC3
121
VCC3
117
VCC3
111
VCC3
103
VCC3
89
VCC3
75
VCC3
61
VCC3
57
VCC3
43
VCC3
36
VCC3
27
VCC3
15
VCC3
1
JD0
236
JD1
235
JD2
234
JD3
233
JD4
232
JD5
230
JD6
229
JD7
228
JD8
227
JD9
225
JD10
224
JD11
222
JD12
221
JD13
220
JD14
219
JD15
218
JRDN
50
JINTRN
44
JCSN
48
JWRN
49
T
238
W
239
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
13
2
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
18
27
36
45
18
27
36
45
1
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
TP1
R243
10K
R244
10K
R245
10K
R109
10K
C143
0.1u
C144
22u/10V
+
BR16033X4
BR16233X4
BR16333X4
BR17633X4
BR16633X4
BR17733X4
BR175
33X4
BR165
33X4
BR140
33X4
BR142
33X4
BR141
33X4
BR15233X4
BR11533X4
BR10833X4
BR11933X4
BR11633X4
R246
33
C226
47p
TP2
TP145
TP147
TP144
TP146
TP143
TP142
IC117
HG73C093
R112
0
BR16133X4
R247
0(NP)
R248
0
C259
0.1u
C138
0.1u
C128
0.1u
C129
0.1u
C245
0.1u
C224
0.1u
C124
0.1u
C225
0.1u
C227
0.1u
C125
0.1u
C228
0.1u
C126
0.1u
C131
0.1u
C247
0.1u
C248
0.1u
C130
0.1u
C139
0.1u
C260
0.1u
C273
0.1u
C272
0.1u
C153
0.1u
C285
0.1u
C284
0.1u
C271
0.1u
C283
0.1u
C282
0.1u
BR120
10KX4
BR153
10KX4
BR146
10KX4
NF103
FILTER(NP)
C144A
22u/10V(NP)
+
BR14733X4
BR117
10KX4
BR179
10KX4
BR110
10KX4
BR164
33X4
BR131
33X4
TP3
BR174
10KX4
BR172
10KX4
BR118
10KX4
BR178
10KX4
BR173
10KX4
BR145
33X4
BR171
10KX4
BR148
33X4
BR16733X4
G3.3V
VCC3
G3.3V
G3.3V
VCC3
VCC3
VCC3
VCC3
D[15..0]
DD[15..0]
JD[15..0]
DDQM
DCKE
DRASN
DCASN
DWEN
DCSN[3..0]
DA[14..0]
ESPAGEN
LSYNCN
VCLK0
VCLK30M
ESPRDLN
ESPRD
MDIR
MENLN
MENHN
MCKE
MDQML
MDQMH
MWEN
MCASN
MRASN
CDRDN
CDAKN
CDRQN
MA[14..0]
ASICCLK
ASICRST
A[9..1]
A16
A17
CPUCLK
ASICCS
CPUHWR
CPULWR
CPURD
CPUWAIT
ASICIRQ
IDAKN
IDWRN
IDRDN
IDRQN
ESREQ0PN
ESACK1PN
ESCS1PN
ESACK0PN
ESCS0PN
ESREQ1PN
GDICK
GDIENN
GDOCK
GDOENN
JCSN
JWRN
JRDN
JINTRN
MCSN[9..0]
VIDEOCLK
VCLK
PSCLK
HSYNCN
GDATA[15..0]
RETN
CDWRN
VCLK0
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
ASIC
11/11
AR-235/275 CIRCUIT DIAGRAM - 25
To debag
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
Txd1
/Remote
Rxd1
D2
D12
D4
D11
D8
D13
D3
D0
D13
D6
D15
D5
D11
D14
D15
D3
D1
D8
D2
D9
D7
D12
D9
D10
D0
D14
D7
D1
D4
D5
D10
D6
12
12
12
1
2
1
2
1
2
12
18
27
36
45
1
8
27
36
45
18
27
36
45
18
27
36
45
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
18
27
36
45
1
8
2
7
3
6
4
5
18
27
36
45
1
2
3
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
12
12
12
1
8
2
7
3
6
4
5
1
2
1
2
Xin
1
Xout
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
1
2
3
1
2
3
P67
33
A16
24
A8
15
TXD0
59
A0
6
D8
49
D0
40
P66
34
A17
25
A9
16
A1
7
PF7
88
PF6
90
RD
91
A10
17
A18
26
A2
8
IRQ1
37
D9
50
CS1
1
A3
9
D1
41
CS0
2
TXD1
60
A11
18
A19
27
A4
11
LWR
93
A12
20
A5
12
A20
29
TXD2
97
A6
13
IRQ0
38
D2
42
A7
14
D10
51
RXD0
61
A13
21
PA5
30
Vref
104
D3
43
A14
22
PF2
94
D11
52
A15
23
PF1
95
D4
45
RXD1
62
D5
46
P51
98
PA6
31
D12
54
PA7
32
D6
47
SCK2
101
P53
102
P34
63
D7
48
PF0
96
D13
55
P40
105
P41
106
P42
107
P43
108
P45
110
D14
56
DA0
111
D15
57
P47
112
HWR
92
P35
64
P17
115
P16
116
P15
117
P14
118
CS4
66
P61
69
P62
70
P63
71
P27
72
P26
73
P25
74
P24
75
P23
76
P22
77
P21
78
P20
79
WDTOVF
80
P13
119
P12
120
RES
81
NMI
82
STBY
83
XTAL
85
EXTAL
86
P11
121
TIOCA0
122
MD0
123
MD1
124
MD2
125
PG0
126
CS3
127
CS2
128
P44
109
AVss
113
AVcc
103
D7
1SS133
D6
1SS133
D5
1SS133
D8
1SS133
D9
1SS133
D10
1SS133
D1
1SS133
BR5
33X4
BR6
33X4
BR8
33X4
BR7
33X4
R5
0
X1
AT-51(19.6608MHz)
R19
0
R20
1k
C4
18p
R22
10k
R24
10k
R25
10k
BR14
33X4
BR15
33X4
BR17
33X4
BR20
10kX4
BR19
10kX4
BR18
10kX4
BR21
10kX4
BR2
0X4
BR1
10kX4
BR9
33X4
C3
18p
C23
1000p(NP)
ZD1
UDZ3.9B(NP)
ZD2
UDZ3.9B(NP)
C24
1000p(NP)
CN8
S5B-PH-K-S(NP)
R33
10k
ZD3
UDZ3.9B(NP)
R32
10k
BR3
10kX4
C21
0.1u
C19
0.1u
C20
0.1u
C18
0.1u
C17
0.1u
C16
0.1u
C15
0.1u
R4
10k
C6
NP
R27
10k
R14
10k
C14
0.1u
C7
NP
R28
10k
BR10
10kX4
BR11
10kX4
BR4
10kX4
D3
1SS133
D4
1SS133
D2
1SS133
R10
20k
R6
20k
R11
20k
R8
20k
R7
20k
R9
20k
R12
20k
R26
10k
BR16
33X4
R17
10k
R3
10k
R2
1k
R1
10k
BZ1
PKM13EPY-4000
R21
0(NP)
C5
0.1u(NP)
IC2
FS781(NP)
R23
3.3k(NP)
C1
0.01u(NP)
R18
22(NP)
C2
NP
R16
10k
R15
10k
C22
10u/25V
+
R13
10k
BR12
10kX4
BR13
10kX4
R30
0
IC3A
74LCX32
R31
0
R29
10k
C8
0.1u
R79
0
C13
NP
C11
NP
C10
NP
C12
NP
C9
0.1u
Q1
2SA-1162
R97
10k
NF1
ZJSR5101-223(NP)
IC1
H8S/2320
R106
0(NP)
ZD6
HZU3.3B2
R105
330
C74
4.7u/35V
VDD
VDD
VDD
CPU_VDD
VDD
VDD
VDD
VDD
VDD
CPU_VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VCC
SCAN1
SCAN2
SCAN3
SCAN7
SCAN8
SCAN9
SCAN0
/LEDENABLE
LEDSI
A[19..1]
/CS3
/CS2
/CS1
/CS0
RY/BY
BLY
/LWR
/HWR
/RD
/START
/BUSY
SENSE0
SCAN5
SCAN6
SCAN4
BLO
SENSE1
SENSE5
SENSE3
SENSE4
SENSE2
BLG
/LCDRES
/LED2
/LED0
/LED4
/LED5
/LED6
/LED1
/LED3
/WR
RS
/RESET
/FAXSW
FAXOPD
D[15..8]
D[15..0]
/CS4
/OPURESET
/LEDLATCH
/OPUCRDY
OPUSTS
/OPUSRDY
OPUCMD
LEDCLK
SENSE6
LCDCONT
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
LCD BACK LIGHT PWB
3. LCD BACK LIGHT PWB
1/4
AR-235/275 CIRCUIT DIAGRAM - 26
D12
D13
D14
D15
D9
D10
D11
D8
4
5
6
9
10
8
12
13
11
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OC
1
CLK
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
12
NC
1
V5
2
V4
3
V3
4
V2
5
V1
6
Vin+
8
Vin-
9
C3+
10
C3-
11
C2+
12
C2-
13
C1+
14
C1-
15
OSC3
17
OSC2
18
OSC1
19
3/5
20
TEST2
21
TEST1
22
SYNC
23
BUSY/
24
SCR
25
RESET/
26
D7
27
D6
28
D5
29
D4
30
D3
31
D2
32
D1
33
D0
34
WS
35
WR/
36
RD/
37
RS
38
CS/
39
NC
42
12
VIN
3
VOUT
1
GND
2
X2
CSTCC4.19MHz
C37
NP(7p)
C38
NP(7p)
R43
10k
R41
24KF
C36
NP
C34
NP
C41
NP
C42
NP
R44
10k
C28
NP
ZD5
7.5C
RT1
5G2M40B333J
t
C39
0.1u
IC3B
74LCX32
IC3C
74LCX32
IC3D
74LCX32
R42
15KF
C32
NP
R38
1.3KF
R39
1.3KF
C29
NP
C31
NP
C30
NP
R40
43KF
C33
NP
R36
1.3KF
R37
4.7KF
R35
1.3KF
C35
NP
IC5
74LCX374
C40
0.1u
D12
1SS133
R100
1.5k(1W)(NP)
IC4
UPD16435
C26
4.7u/35V
R99
R(NP)
C27
NP
R34
4.7k(1/4W)
C66
4.7u/35V(NP)
C25
0.1u
C65
0.1u(NP)
D11
1SS133
ZD4
6.8B
IC17
178M15T(NP)
VDD
VDD
+24V
VDD
VDD
VCC
/WR
RS
/BUSY
LCDCONT
/LCDRES
D[15..8]
/CS3
/HWR
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
LCD BACK LIGHT PWB
2/4
Click on the first or last page to see other AR-235 (serv.man5) service manuals if exist.