Sharp MX-2640N / MX-2640NR / MX-2640FN / MX-3140N / MX-3140NR / MX-3140FN / MX-3640N / MX-3640NR / MX-3640FN (serv.man11) Service Manual ▷ View online
MX-3640N CIRCUIT DIAGRAM AND PARTS LAYOUT
2 – 90
CPU_CLKout
D9
D8
D8
D15
D10
D14
D13
D12
D11
D13
D12
D11
C
S
2#
C
S
0#
C
S
1#
/RESET_CPU
C
S3
#
RESET#
CS0#
CPU_CLKout
D1
2
D
8
D1
3
D1
5
D1
4
D
9
D1
1
D1
0
CS1#
CS2#
CS3#
ASIC_RST
/HWR
/RD
RY/BY
/RESET_CPU
3.3V
3.3V
3.3V
3.3V
Vref
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
D[15:0]
(2,3,4,5,6)
_RES
TH_UM_CS
(17)
REGS_R#
(18)
REGS_F#
(18)
PCS_F#
(18)
REGS_C#
(18)
TCS_Y#
(18)
TCS_M#
(18)
TCS_C#
(18)
RY/BY
(2)
TCS_K#
(18)
TH_LM
(17)
TH_US
(17)
TH_UM2
(17)
(13)
TH_UM
(17)
TH_UM_D
(17)
<SIN1>
(7)
<SIN2>
(7)
<SIN3>
(7)
AN_MUX
(19)
/RD
(2,3,4,5,6)
/HWR
(2,3,4,5,6)
/CS1_RM
(2)
/CS0_FLS
(2,5)
/CS3_EXP
(5)
/CS2_IO1
(3)
/JOBEND_INT
(8)
SELIN3
(7)
SELIN2
(7)
SELIN1
(7)
(8)
T
(8)
MODEL#1
(3)
MODEL#2
(3)
/ENG_RST
(3,4,5,6)
/RESET0
(2)
CPU_CLKout2
(5)
CPU_CLKout3
(6)
CPU_CLKout4
(3)
CPU_CLKout5
(4)
PCS_C#
(18)
C203
0.01uF
C203
0.01uF
TP452
TP452
TP283
TP283
IC39
TC7PA17FU
IC39
TC7PA17FU
A1
1
A2
3
Y1
6
Y2
4
VCC
5
GND
2
C204
OPEN_C
OPEN_C
C204
OPEN_C
OPEN_C
Q63
DTC143Z
Q63
DTC143Z
IN
GND
OUT
R295
33J
R295
33J
R368
33J
R368
33J
TP390
TP390
TP288
TP288
C202
0.1uF
0.1uF
C202
0.1uF
0.1uF
C146
12pF
12pF
C146
12pF
12pF
TP605
TP605
R322
33J
R322
33J
TP395
TP395
TP228
TP228
TP566
TP566
C132
0.1uF
0.1uF
C132
0.1uF
0.1uF
C211
0.01uF
C211
0.01uF
BR35
33J x4
33J x4
BR35
33J x4
33J x4
1
8
2
7
3
6
4
5
BR1005
[b]10k
J
x
4
BR1005
[b]10k
J
x
4
1
8
2
7
3
6
4
5
TP287
TP287
TP291
TP291
TP294
TP294
TP565
TP565
TP382
TP382
BR12
10kJ x4
10kJ x4
BR12
10kJ x4
10kJ x4
1
8
2
7
3
6
4
5
NC
101
Q12
105
Q13
106
S1
108
D8
73
D9
74
10
75
11
76
12
77
13
78
14
79
15
80
Q8
81
Q9
82
Q10
83
AIT
84
14
85
15
86
WR
87
WR
88
RD
89
AS
90
ES
92
Fai
94
AL
96
AL
97
NC
100
S0
107
BY
103
Q11
104
Vss
102
Vss
95
Vss
93
Vcc
91
Vcc
99
Vcc
98
TP456
TP456
BR13
33J x4
33J x4
BR13
33J x4
33J x4
1
8
2
7
3
6
4
5
TP226TP226
C216
0.01uF
0.01uF
C216
0.01uF
0.01uF
TP448
TP448
TP663
TP663
TP394
TP394
TP451
TP451
TP455
TP455
BR36
33J x4
33J x4
BR36
33J x4
33J x4
1
8
2
7
3
6
4
5
TP388
TP388
TP223
TP223
Q62
DTC143Z
Q62
DTC143Z
IN
GND
OUT
C162
12pF
12pF
C162
12pF
12pF
TP227
TP227
R387
1kJ
1kJ
R387
1kJ
1kJ
Q65
DTC143Z
Q65
DTC143Z
IN
GND
OUT
TP385
TP385
R268
10kJ
R268
10kJ
R292
0J
R292
0J
R293
200J
R293
200J
TP606
TP606
TP296
TP296
TP607
TP607
C160
0.1uF
0.1uF
C160
0.1uF
0.1uF
TP295
TP295
R365
1kJ
R365
1kJ
TP399
TP399
TP450
TP450
X2
HC-49U/S
19.6608MHz
HC-49U/S
19.6608MHz
X2
HC-49U/S
19.6608MHz
HC-49U/S
19.6608MHz
C159
0.01uF
0.01uF
C159
0.01uF
0.01uF
TP393
TP393
TP498
TP498
BR1008
0kJ x4
BR1008
0kJ x4
1
8
2
7
3
6
4
5
BR24
10kJ x4
10kJ x4
BR24
10kJ x4
10kJ x4
1
8
2
7
3
6
4
5
BR1006
[b]10k
J
x
4
BR1006
[b]10k
J
x
4
1
8
2
7
3
6
4
5
TP289
TP289
TP292
TP292
C212
4700pF
C212
4700pF
TP225
TP225
TP391
TP391
TP389
TP389
TP224
TP224
C161
22pF
22pF
C161
22pF
22pF
Q64
DTC143Z
Q64
DTC143Z
IN
GND
OUT
TP449
TP449
X1
x_FA-238
19.6608MHz
X1
x_FA-238
19.6608MHz
R367
10kJ
10kJ
R367
10kJ
10kJ
C214
OPEN_C
C214
OPEN_C
TP453
TP453
R296
33J
R296
33J
TP398
TP398
R297
AB_33J
R297
AB_33J
TP500
TP500
TP290
TP290
TP230
TP230
TP293
TP293
TP454
TP454
TP615
TP615
TP222TP222
BR1007
0kJ x4
BR1007
0kJ x4
1
8
2
7
3
6
4
5
TP386
TP386
R366
3.3kJ
3.3kJ
R366
3.3kJ
3.3kJ
TP231
TP231
TP608
TP608
TP609
TP609
TP568
TP568
BR23
33J x4
33J x4
BR23
33J x4
33J x4
1
8
2
7
3
6
4
5
C213
0.01uF
C213
0.01uF
TP221
TP221
R291
0J
R291
0J
TP229
TP229
R294
33J
R294
33J
TP392
TP392
TP286
TP286
TP285
TP285
4
3
2
1
1/21
C
D
E
C
D
E
MX-3640N CIRCUIT DIAGRAM AND PARTS LAYOUT
2 – 91
FLASH ROM
M Socket
SRAM
For CPWBN1
OnBoard FLASH ROM
Serial EE-PROM
( IS63WV1024BLL-12JLI )
A9
A12
A1
D14
D15
D15
D10
A2
A4
A10
A14
A13
D8
D12
A6
A16
A7
A11
A8
D9
D11
D13
A5
A0
A3
RY/BY
/HWR
A16
A1
A8
A12
A5
A13
A2
A4
A10
A3
A11
A9
A14
A15
A15
A6
A18
A17
A20
A7
A19
A15
/RD
/RESET0
/CS0_FLS_S
/CS0_FLS_S
/FLS_WP
BYTE
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
D[15:0]
(1,3,4,5,6)
/FLS_WP
(5)
/CS1_RM
(1)
/RD
(1,3,4,5,6)
/HWR
(1,3,4,5,6)
A[20:0]
(1,3,4,5,6)
/RESET0
(1)
RY/BY
(1)
DIMM_EN
(3,5,8)
/CS0_FLS
(1,5)
/CS5_FLS_B
(1)
/CS0_FLS#
(5)
R412
10kJ
10kJ
R412
10kJ
10kJ
TP693
TP693
TP692
TP692
D101
x_LED2
x_LED2
D101
x_LED2
x_LED2
R410
OPEN_R
R410
OPEN_R
TP614
TP614
TP567
TP567
C201
0.1uF
C201
0.1uF
TP610
TP610
IC34
CY7C1018DV33
IC34
CY7C1018DV33
I/O0
6
A0
1
I/O1
7
A1
2
I/O2
10
A2
3
I/O3
11
A3
4
I/O4
22
A4
13
I/O5
23
A5
14
I/O6
26
A6
15
I/O7
27
A7
16
A8
17
A9
18
A10
19
A11
20
A12
21
A13
29
A14
30
CS1
5
OE
28
WE
12
VDD
8
GND
9
VDD
24
A15
31
A16
32
GND
25
TP695
TP695
TP702
TP702
SOCKET1
FLASH CONNEC
SOCKET1
FLASH CONNEC
NC11
11
NC12
12
A0
13
A1
14
A2
15
A3
16
A4
17
A5
18
RP
19
A6
28
A9
29
A7
31
A8
32
A10
33
A11
34
A12
36
1CE1L
40
A20
41
2CE1L
42
NC43
43
OE
44
RY/BY
45
WP
46
WE
47
BYTE
48
A13
65
A14
66
A15
67
A16
68
A17
69
A18
70
A19
71
R361
x_10kJ
x_10kJ
R361
x_10kJ
x_10kJ
R414
10kJ
10kJ
R414
10kJ
10kJ
TP612
TP612
C200
0.1uF
C200
0.1uF
R386
33J
R386
33J
TP569
TP569
TP696
TP696
TP705
TP705
C1005
[b]0.1uF
C1005
[b]0.1uF
D100
LED1
LED1
D100
LED1
LED1
TP652
TP652
R413
x_10kJ
x_10kJ
R413
x_10kJ
x_10kJ
TP694
TP694
C1006
[b]0.1uF
C1006
[b]0.1uF
TP611
TP611
TP572
TP572
IC46
x_TC74LCX244FT
IC46
x_TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP571
TP571
R1
R1
R398
200J
200J
R398
200J
200J
4
3
2
1
PCU PWB (Memory section)
A
B
C
A
B
C
MX-3640N CIRCUIT DIAGRAM AND PARTS LAYOUT
2 – 92
FLASH ROM Socket
SRAM
N1485FC**
OnBoard FLASH ROM
Serial EE-PROM
D8
D9
D10
D11
D12
D13
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
D9
D10
D11
D12
D13
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
/RD
BYTE
/HWR
/RESET0
/FLS_WP
RY/BY
/CS_FLS_B
A9
A4
A14
A18
A19
A19
A7
A8
A8
A15
A2
A1
A3
A17
A16
A11
A10
A5
A6
A6
A12
A20
A13
/CS0_FLS
D8
D9
D10
D11
D12
D13
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
D9
D10
D11
D12
D13
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
/CS5_FLS_B
/CS_FLS_B
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/DIMM_EN
(8)
<EP_SDA>
(1)
<EP_SCL>
(1)
R360
10kJ
10kJ
R360
10kJ
10kJ
R272
10kJ
10kJ
R272
10kJ
10kJ
C242
0.1uF
0.1uF
C242
0.1uF
0.1uF
R411
10kJ
10kJ
R411
10kJ
10kJ
TP574
TP574
C1014
[b]0.1uF
C1014
[b]0.1uF
C136
0.1uF
0.1uF
C136
0.1uF
0.1uF
R364
33J
R364
33J
TP686
TP686
TP573
TP573
NECTOR
NECTOR
VSS1
1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
VCC
10
VSS1
20
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
VSS
72
D15
35
D16
37
D17
38
VSS1
39
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
VPP
55
D24
56
D25
57
D26
58
D28
59
D27
60
VCC
61
D29
62
D30
63
D31
64
NC30
30
R362
x_33J
R362
x_33J
TP697
TP697
R363
x_33J
R363
x_33J
TP651
TP651
TP613
TP613
IC23
AT24C64C with Socket
IC23
AT24C64C with Socket
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
C244
0.1uF
0.1uF
C244
0.1uF
0.1uF
TP570
TP570
IC45
MX29LV160D
IC45
MX29LV160D
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
A18
16
A19
9
A20
10
D0
29
D1
31
D2
33
D3
35
D4
38
D5
40
D6
42
D7
44
D8
30
D9
32
D10
34
D11
36
D12
39
D13
41
D14
43
D15/A_1
45
CE
26
OE
28
WE
11
WP
14
BYTE
47
RY/BY
15
RP
12
GND
46
Vcc
37
Vccw
13
GND
27
R416
OPEN_R
R416
OPEN_R
C1013
[b]0.1uF
C1013
[b]0.1uF
R1014
[b]0J
R1014
[b]0J
IC38
x_TC7SA08FU
x_TC7SA08FU
IC38
x_TC7SA08FU
x_TC7SA08FU
4
2
1
5
3
4
3
2
1
2/21
C
D
E
C
D
E
MX-3640N CIRCUIT DIAGRAM AND PARTS LAYOUT
2 – 93
M
M
M
D11
D12
D13
A1
D14
A2
D
9
A4
D15
A3
D
8
A0
D1
0
3.3V
A[20:0]
(1,2,4,5,6)
CPU_CLKout4
(1)
/RD
(1,2,4,5,6)
/HWR
(1,2,4,5,6)
/ENG_RST
(1,4,5,6)
D[15:0]
(1,2,4,5,6)
/CS2_IO1
(1)
ADUM_CNT
(9)
ADUC1
(11)
2TURC
(10)
TP346
TP346
TP135
TP135
TP339
TP339
TP429
TP429
TP630
TP630
TP374
TP374
IC26
SC65892***
IC26
SC65892***
VDD
1
PHICLK
2
gnd
3
XCE0(PU50K)
4
CE1(PU50K)
5
XOE(PU50K)
6
XWR(PU50K)
7
A4(PU50K)
8
A3(PU50K)
9
A2(PU50K)
10
A1(PU50K)
11
A0(PU50K)
12
XRST(Sch)
13
vdd
14
D7(PU50K)
15
D6(PU50K)
16
SMC(SCAN)(PD50K)
17
SIN(SCAN)(PD50K)
18
SOUT(SCAN)
19
AMC(SCAN)(PD50K)
20
SCK(SCAN)
21
D5(PU50K)
22
D4(PU50K)
23
D3(PU50K)
24
VDD
25
GND
26
D2(P
U50K
)
27
D1(P
U50K
)
2
8
D0(P
U50K
)
2
9
POR
T
A7
(P
D
5
0
K
)(
5
VF
S
)
3
0
POR
T
A6
(P
D
5
0
K
)(
5
VF
S
)
3
1
POR
T
A5
(P
D
5
0
K
)(
5
VF
S
)
3
2
POR
T
A4
(P
D
5
0
K
)(
5
VF
S
)
33
POR
T
A
3
(P
D50K
)(5V
F
S
)
3
4
POR
T
A2
(P
D
5
0
K
)(
5
VF
S
)
3
5
POR
T
A1
(P
D
5
0
K
)(
5
VF
S
)
3
6
POR
T
A0
(P
D
5
0
K
)(
5
VF
S
)
3
7
vdd
38
POR
T
B7
(P
D
5
0
K
)(
5
VF
S
)
39
POR
T
B6
(P
D
5
0
K
)(
5
VF
S
)
40
POR
T
B5
(P
D
5
0
K
)(
5
VF
S
)
41
POR
T
B4
(P
D
5
0
K
)(
5
VF
S
)
42
POR
T
B
3
(P
D50K
)(5V
F
S
)
4
3
POR
T
B2
(P
D
5
0
K
)(
5
VF
S
)
44
POR
T
B1
(P
D
5
0
K
)(
5
VF
S
)
45
POR
T
B0
(P
D
5
0
K
)(
5
VF
S
)
46
P
O
RT
C7(P
D50K
)
47
P
O
RT
C6(P
D50K
)
4
8
P
O
RT
C5(P
D50K
)
4
9
GND
50
VDD
51
PORTC4(PD50K)
52
PORTC3(PD50K)
53
PORTC2(PD50K)
54
PORTC1(PD50K)
55
PORTC0(PD50K)
56
gnd
57
PORTD7(PD50K)
58
PORTD6(PD50K)
59
PORTD5(PD50K)
60
PORTD4(PD50K)
61
PORTD3(PD50K)
62
PORTD2(PD50K)
63
PORTD1(PD50K)
64
PORTD0(PD50K)
65
gnd
66
PORTE7(PD50K)
67
PORTE6(PD50K)
68
PORTE5(PD50K)
69
PORTE4(PD50K)
70
PORTE3(PD50K)
71
PORTE2(PD50K)
72
PORTE1(PD50K)
73
PORTE0(PD50K)
74
VDD
75
GND
76
PORTF7(PD50K)
77
PORTF6(PD50K)
7
8
PORTF5(PD50K)
7
9
PORTF4(PD50K)
8
0
PORTF
3
(PD50K)
8
1
PORTF2(PD50K)
8
2
PORTF1(PD50K)
83
PORTF0(PD50K)
8
4
vdd
8
5
P
O
RTG7(P
D50K
)
8
6
P
O
RTG6(P
D50K
)
8
7
P
O
RTG5(P
D50K
)
88
P
O
RTG4(P
D50K
)
89
PO
R
T
G
3
(P
D50K
)
9
0
P
O
RTG2(P
D50K
)
9
1
P
O
RTG1(P
D50K
)
9
2
P
O
RTG0(P
D50K
)
93
XC
E_
EXT
9
4
gnd
9
5
S
EL
A(
O
D
,5
VF
S
)
9
6
S
EL
B(
O
D
,5
VF
S
)
9
7
S
EL
C
(O
D
,5
VF
S
)
98
Y
IN
(P
D50K
)(5V
F
S
)
99
GND
100
TP260
TP260
TP338
TP338
TP113
TP113
TP336
TP336
TP838
TP838
TP717
TP717
TP358
TP358
TP16
TP16
TP470
TP470
TP349
TP349
TP342
TP342
TP837
TP837
TP681
TP681
TP588
TP588
TP248
TP248
TP522
TP522
TP524
TP524
TP256
TP256
TP430
TP430
TP205
TP205
TP720
TP720
TP523
TP523
TP740
TP740
TP32
TP32
TP65
TP65
TP107
TP107
TP136
TP136
TP637
TP637
TP1
TP1
TP1
TP348
TP348
TP340
TP340
TP347
TP347
TP586
TP586
TP356
TP356
TP
3
41
TP
3
41
TP217
TP217
C170
0.01uF
0.01uF
C170
0.01uF
0.01uF
TP100
TP100
TP677
TP677
TP104
TP104
TP31
TP31
TP78
TP78
TP589
TP589
TP254
TP254
TP529
TP529
TP343
TP343
TP137
TP137
TP359
TP359
TP337
TP337
TP672
TP672
TP432
TP432
TP350
TP350
TP344
TP344
TP357
TP357
TP790
TP790
TP587
TP587
TP354
TP354
TP433
TP433
TP438
TP438
D
C
B
A
PCU PWB (I/O ASIC section)
5
4
3
5
4
3
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