Sharp AR-M236 (serv.man4) Service Manual ▷ View online
AR-M236/M276/M237/M277 CIRCUIT DIAGRAM (IMC PWB) 3 - 40
DD1
DD5
DA6
DD8
DD3
DA2
DA2
DA12
DD6
DD8
DD2
DA10
DD0
DD2
DD15
DD14
DD4
DA1
DA5
DA8
DD12
DA6
DA13
DD6
DA9
DD1
DD9
DA0
DA8
DA[14..0]
DD12
DD13
DA11
DD9
DD7
DA10
DA7
DA12
DD15
DA11
DA14
DD11
DA4
DA9
DA3
DD3
DA5
DA14
DD10
DA7
DD0
DD11
DA4
DA1
DD10
DA3
DD13
DA0
DD4
DA13
DD5
DD7
DD14
VCC3
VCC3
C292
0.1u
C231
0.1u
C287
0.1u
C249
0.1u
C108
0.1u
C110
0.1u
89
u
L210
Chip B
L205
Chip B(NP)
C263
0.1u
C265
0.1u
C275
0.1u
C274
0.1u
C230
0.1u
C291
0.1u
C233
0.1u
TP139
1
C232
0.1u
C286
0.1u
C250
0.1u
07
u
TP140
1
C109
0.1u
IC118
HM5225165B(NP)
23
24
25
26
29
30
31
32
33
34
22
35
36
20
21
16
17
18
19
38
37
37
39
15
15
40
2
4
5
7
8
10
11
13
42
44
45
47
48
50
51
53
49
43
9
3
27
14
1
52
46
12
6
54
41
28
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BA0
BA1
WE
CAS
RAS
CS
CLK
CKE
CKE
DQMU
DQML
DQML
NC
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
VCCQ
VCCQ
VCCQ
VCCQ
VCC
VCC
VCC
VSSQ
VSSQ
VSSQ
VSSQ
VSS
VSS
VSS
C219
0.1u
C262
0.1u
C218
0.1u
C290
0.1u
IC111
HM5225165B(NP)
23
24
25
26
29
30
31
32
33
34
22
35
36
20
21
16
17
18
19
38
37
37
39
15
15
40
2
4
5
7
8
10
11
13
42
44
45
47
48
50
51
53
49
43
9
3
27
14
1
52
46
12
6
54
41
28
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BA0
BA1
WE
CAS
RAS
CS
CLK
CKE
CKE
DQMU
DQML
DQML
NC
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
VCCQ
VCCQ
VCCQ
VCCQ
VCC
VCC
VCC
VSSQ
VSSQ
VSSQ
VSSQ
VSS
VSS
VSS
C264
0.1u
C266
0.1u
C229
0.1u
C
C
D
D
E
E
4
3
2
1
6/11
AR-M236/M276/M237/M277 CIRCUIT DIAGRAM (IMC PWB) 3 - 41
MDIR
MENHN
MENLN
VCC3
VCC3
VCC3
VCC3
R326
33
R327
R327
33
R328
33
R322
33
L204
Chip B(NP)
R323
33
R324
33
BR144
33X4(NP)
1
8
2
7
3
6
4
5
BR151
33X4(NP)
1
8
2
7
3
6
4
5
R321
33
L206
Chip B(NP)
C223
0.1u(NP)
0.1u(NP)
C256
0.1u(NP)
0.1u(NP)
C242
0.1u(NP)
0.1u(NP)
C367
0.1u(NP)
0.1u(NP)
L208
Chip B(NP)
L223
Chip B(NP)
BR133
33X4(NP)
1
8
2
7
3
6
4
5
BR132
33X4(NP)
1
8
2
7
3
6
4
5
BR149
33X4(NP)
1
8
2
7
3
6
4
5
BR150
33X4(NP)
1
8
2
7
3
6
4
5
IC105
LVX245(NP)
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
17
16
15
14
13
12
11
1
19
20
10
10
A0
A1
A2
A3
A4
A5
A6
A7
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
B1
B2
B3
B4
B5
B6
B7
DIR
OE
OE
VCC
GND
IC116
LVX245(NP)
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
17
16
15
14
13
12
11
1
19
20
10
10
A0
A1
A2
A3
A4
A5
A6
A7
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
B1
B2
B3
B4
B5
B6
B7
DIR
OE
OE
VCC
GND
IC114
LVX245(NP)
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
17
16
15
14
13
12
11
1
19
20
10
10
A0
A1
A2
A3
A4
A5
A6
A7
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
B1
B2
B3
B4
B5
B6
B7
DIR
OE
OE
VCC
GND
IC120
LVX245(NP)
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
17
16
15
14
13
12
11
1
19
20
10
10
A0
A1
A2
A3
A4
A5
A6
A7
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
B1
B2
B3
B4
B5
B6
B7
DIR
OE
OE
VCC
GND
R325
33
JD[15..0]
CD[31..0]
JD[15..0]
JD0
JD1
JD2
JD3
JD4
JD5
JD6
JD7
JD1
JD2
JD3
JD4
JD5
JD6
JD7
JD8
JD9
JD10
JD11
JD12
JD13
JD14
JD15
JD9
JD10
JD11
JD12
JD13
JD14
JD15
JD0
JD1
JD2
JD3
JD4
JD5
JD6
JD7
JD1
JD2
JD3
JD4
JD5
JD6
JD7
JD8
JD9
JD10
JD11
JD12
JD13
JD14
JD15
JD9
JD10
JD11
JD12
JD13
JD14
JD15
CD0
CD1
CD2
CD3
CD4
CD5
CD6
CD7
CD1
CD2
CD3
CD4
CD5
CD6
CD7
CD8
CD9
CD10
CD11
CD12
CD13
CD14
CD15
CD9
CD10
CD11
CD12
CD13
CD14
CD15
CD16
CD17
CD18
CD19
CD20
CD21
CD22
CD23
CD17
CD18
CD19
CD20
CD21
CD22
CD23
CD24
CD25
CD26
CD27
CD28
CD29
CD30
CD31
CD25
CD26
CD27
CD28
CD29
CD30
CD31
CD[31..0]
A
A
B
B
C
C
4
3
2
1
IMC PWB (DIMM-BUF)
AR-M236/M276/M237/M277 CIRCUIT DIAGRAM (IMC PWB) 3 - 42
MRASN
MCASN
MCASN
MWEN
MDQMH
MDQML
MCSN0
MCSN1
MCSN2
MCSN1
MCSN2
MCSN3
MCSN4
MCSN5
MCSN6
MCSN7
MCSN8
MCSN9
MCSN4
MCSN5
MCSN6
MCSN7
MCSN8
MCSN9
MCKE
TXD1
RXD1B
LED1
MCSBN0
MCSBN1
MCSBN2
MCSBN1
MCSBN2
MCSBN3
MCSBN4
MCSBN5
MCSBN6
MCSBN7
MCSBN8
MCSBN4
MCSBN5
MCSBN6
MCSBN7
MCSBN8
MRASBN
MCASBN
MWEBN
MDQMHB
MDQMLB
MCASBN
MWEBN
MDQMHB
MDQMLB
MCKE1-0
MCKE1-1
MCKE2-0
MCKE2-1
MCKEB
TXD1B
RXD1
MCKE1-1
MCKE2-0
MCKE2-1
MCKEB
TXD1B
RXD1
MA[14..0]
MCSBN9
MAB[14..0]
VCC3
VCC3
VCC3
VCC3
VCC3
R356 33
R297 33
R358 33
R303 33
TP111
1
R360 33
R302 33
TP112
1
R300 33
R291 33
R307 33
R304 33
D101
LED(NP)
C156
0.1u
0.1u
R305 33
BR184
33X4
1
8
2
7
3
6
4
5
R111
220(1/4W)(NP)
R306 33
R349 33
C342
0.1u
R310 33
L218
Chip B
R350
33
R351 33
R309 33
L109
Chip B
L219
Chip B
R312 33
R352 33
R336 33
R329 33
L224
Chip B
IC138
LCX244
2
4
6
8
4
6
8
11
13
15
17
13
15
17
1
19
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
20
10
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
R331 33
IC132
LCX244
2
4
6
8
4
6
8
11
13
15
17
13
15
17
1
19
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
20
10
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
IC126
LCX244
2
4
6
8
4
6
8
11
13
15
17
13
15
17
1
19
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
20
10
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
C370
0.1u
0.1u
R333 33
IC135
LCX244
2
4
6
8
4
6
8
11
13
15
17
13
15
17
1
19
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
20
10
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
C369
0.1u
0.1u
R335 33
IC125
LCX244
2
4
6
8
4
6
8
11
13
15
17
13
15
17
1
19
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
20
10
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
C322
0.1u
0.1u
R330 33
R332 33
L110
Chip B
R353 33
R301 33
R355 33
R334 33
R311 33
R357 33
R298 33
R359 33
TP151
1
R299 33
R354 33
TP150
1
(5-B4) (11-D4)
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
MA13
MA14
MA9
MA10
MA11
MA12
MA13
MA14
MCSN3
MCSN4
MCSN5
MCSN6
MCSN7
MCSN8
MCSN9
MCSN4
MCSN5
MCSN6
MCSN7
MCSN8
MCSN9
(4-E3) (4-C3) (5-A1)
MAB0
MAB1
MAB2
MAB3
MAB4
MAB5
MAB6
MAB7
MAB1
MAB2
MAB3
MAB4
MAB5
MAB6
MAB7
MAB8
MAB9
MAB10
MAB11
MAB12
MAB13
MAB14
MAB9
MAB10
MAB11
MAB12
MAB13
MAB14
(4-A4)
C
C
D
D
E
E
4
3
2
1
7/11
AR-M236/M276/M237/M277 CIRCUIT DIAGRAM (IMC PWB) 3 - 43
VCLK0
PMRESET
XREADY
XESSRDY
XESPRDLN
XPS-SYN
XESCS1P
XRESET
XSCLINE
XESCRDY
XESACK0P
XCPUIN
XCPUOUT
XCPUOUT
XESACK1P
XPWOFF
XESCMD
XVCLK30M
XHSYNC
XESREQ1P
XESREQ0P
XESPRD
XPRLINE
XESSTS
XESPAGE
XESCS0P
RETN
VCC5
VCC3
VCC3PM
VCC00
NF100
FILTER(NP)
1
3
2
R267 0
CN4
TX24-60R-10ST-H1
1
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
10
40
11
41
12
42
13
43
14
44
15
45
16
46
17
47
18
48
19
49
20
50
21
51
22
52
23
53
24
54
25
55
26
56
27
57
28
58
29
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
10
40
11
41
12
42
13
43
14
44
15
45
16
46
17
47
18
48
19
49
20
50
21
51
22
52
23
53
24
54
25
55
26
56
27
57
28
58
29
30
60
60
59
5V
5V
5V
5V
5V
5V
5V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/RESET
N.C.
/PWOFF
N.C.
/PRLINE
/SCLINE
/SCLINE
/HSYNC
/READY
/READY
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
CPUIN
CPUOUT
/ESPAGE
/ESDET
ESCMD
ESCMD
ESSTS
/ESCRDY
/ESSRDY
/ESSRDY
GND
GND
GND
GDATA0
GDATA1
GDATA2
GDATA3
GDATA4
GDATA5
GDATA6
GDATA7
GDATA8
GDATA9
GDATA1
GDATA2
GDATA3
GDATA4
GDATA5
GDATA6
GDATA7
GDATA8
GDATA9
GDATA10
GDATA11
GDATA12
GDATA13
GDATA14
GDATA15
GDATA11
GDATA12
GDATA13
GDATA14
GDATA15
VCLK
SCLK
SCLK
/ESACK1P
/ESREQ1P
/OPESPRD
/ESCS1P
/ESPRD
/ESREQ0P
/ESACK0P
GND
GND
GND
/ESCS0P
D100
1N4005
+
C132
22u/10V
22u/10V
CN10
1
R224
0(NP)
CN11
1
+
C140
22u/10V
CN12
1
CN13
1
NF101
FILTER(NP)
1
3
2
R266 0
1
2
8
9
14
7
+ C140A
22u/10V(NP)
C366
0.1u
R225
0(NP)
+
C132A
22u/10V(NP)
22u/10V(NP)
IC103D
74LCX00
12
13
11
14
7
TP117
1
TP116
1
R361
1K
1K
XGDATA[15..0]
XGDATA0
XGDATA1
XGDATA2
XGDATA3
XGDATA4
XGDATA5
XGDATA6
XGDATA7
XGDATA8
XGDATA9
XGDATA10
XGDATA11
XGDATA12
XGDATA13
XGDATA14
XGDATA15
XGDATA1
XGDATA2
XGDATA3
XGDATA4
XGDATA5
XGDATA6
XGDATA7
XGDATA8
XGDATA9
XGDATA10
XGDATA11
XGDATA12
XGDATA13
XGDATA14
XGDATA15
XGDATA[15..0]
(1
(1
(1
(11
(11-B3) (3-A3) (2-A
(2-A1) (1-D3) (1
(2-A1) (1-D3) (1
(2-A1) (1-D3) (1
A
A
B
B
C
C
4
3
2
1
IMC PWB (HOST-I/F1)
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