Read Sharp MX-M260 / MX-M260N / MX-M260FG / MX-M260FP (serv.man4) Service Manual online
MX-M260 CIRCUIT DIAGRAM / 回路図 3 - 105
LD11
LD
9
LA7
LA3
LA
9
LA4
LD12
LA2
LD8
LA0
LA1
LD4
LA10
LD6
LD3
LA5
LD10
LD7
LD5
LA6
LA8
LD0
LA11
LD14
LD15
LD13
LD2
LD1
PARAD5
PARAD3
GDATA7
GDATA10
GDATA6
GDATA8
GDATA3
GDATA13
GDATA14
GDATA
9
GDATA4
GDATA0
GDATA15
GDATA2
GDATA11
GDATA12
GDATA1
GDATA5
USB_A6
USB_D13
USB_D11
USB_D4
USB_A0
USB_D10
USB_D8
USB_D
9
USB_A1
USB_D15
USB_A2
USB_D2
USB_D0
USB_D6
USB_D7
USB_A5
USB_D12
USB_D5
USB_D3
USB_A3
USB_D14
USB_D1
USB_A4
PARAD7
PARAD0
PARAD2
PARAD1
PARAD6
PARAD4
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
REV
1
0
DACK0
3
1284SLCTIN_
10
DACK1
3
DACK3
3
1284STB_
10
1284PE
10
1284ACK
1
0
F_DBG_LED2
1
3
1284BUSY
10
1284INIT_
1
0
DDONE_
3
F_DBG_LED0
1
3
1284SLCT
1
0
DACK2
3
F_DBG_LED3
1
3
F_DBG_LED1
1
3
1284FAULT_
10
PAGE_
8
SCLINE_
8
EXTBUFOE_
8
RREQ_
8
EXTBUFDIR
8
ACK_RDY
3
PACK_
8
ROMCS6_
3
PONRST_
2,4,7,
9
,11
PREQ_
8
RCS_
8
UNI_WE_
6
12MHz
9
PCS_
8
ROMCS5_
3
UNI_OE_
6
GARESET_
CGRESET_
2
RACK_
8
LA[23:0]
6,7
GDATA[15:0]
8
LD[31:0]
6,7
GAJTDO
2
GAJTDI
2
JTRST_
2
JTCK
2
JTMS
2
MANUALRST
2
GARESET_
SYSCLK
3
1284INT_
2
USBINT_
2
USB_D[15:0]
9
USB_A[6:0]
9
USB_DACK0
9
USB_INTR_
9
USB_WR_
9
USB_CS_
9
USB_DREQ0_
9
USB_RD_
9
DREQ1
3
DREQ3
3
DREQ2
3
DREQ0
3
PARAD[7:0]
10
1284AUTOFD_
10
SYSCLK
3
<POR>
<POWER
LED>
R290:
Place
near
IC27
TP6
9
7
TP6
9
7
TP737TP737
TP741TP741
RN76
33x4
RN76
33x4
2
1
3
7
4
8
6
5
TP252TP252
R301
4.7k
R301
4.7k
C137
0.1uF
C137
0.1uF
TP743TP743
TP683TP683
TP611TP611
TP225TP225
TP258TP258
C127
0.1uF
C127
0.1uF
C210
68pF
C210
68pF
TP5
9
4
TP5
9
4
TP762TP762
TP6
9
0
TP6
9
0
TP605TP605
TP211TP211
R2
9
80
R2
9
80
TP625TP625
TP246TP246
R2
9
3
X
_4.7k
NO
ASM
R2
9
3
X
_4.7k
NO
ASM
TP60
9
TP60
9
TP684TP684
TP6
9
6
TP6
9
6
TP675TP675
TP740TP740
RN72
33x4
RN72
33x4
2
1
3
7
4
8
6
5
C140
0.1uF
C140
0.1uF
D1
LT1P67A
D1
LT1P67A
C132
0.1uF
C132
0.1uF
TP670TP670
TP676TP676
TP250TP250
TP254TP254
TP6
9
2
TP6
9
2
TP765TP765
C208
0.1uF
C208
0.1uF
R281
33
R281
33
TP628TP628
TP761TP761
TP402TP402
TP674TP674
TP677TP677
TP688TP688
TP6
9
8
TP6
9
8
TP736TP736
TP257TP257
R285
33
R285
33
C139
0.1uF
C139
0.1uF
TP756TP756
C131
0.1uF
C131
0.1uF
TP247TP247
TP714TP714
TP602TP602
TP606TP606
TP233TP233
TP738TP738
TP764TP764
R280
33
R280
33
TP678TP678
TP760TP760
TP6
9
5
TP6
9
5
C128
0.1uF
C128
0.1uF
R247
1K
R247
1K
TP685TP685
TP75
9
TP75
9
R265
33
R265
33
C130
0.1uF
C130
0.1uF
C126
0.1uF
C126
0.1uF
TP627TP627
TP733TP733
IC27A
UNICORN2
IC27A
UNICORN2
LD0
175
LD1
174
LD2
173
LD3
172
LD4
170
LD5
16
9
LD6
168
LD7
167
LD8
166
LD
9
164
LD10
163
LD11
162
LD12
161
LD13
15
9
LD14
158
LD15
157
LA0
154
LA1
153
LA2
152
LA3
151
LA4
150
LA5
148
LA6
147
LA7
146
LA8
145
LA
9
143
LA10
142
LA11
141
GDATA0
117
GDATA1
118
GDATA2
11
9
GDATA3
120
GDATA4
122
GDATA5
123
GDATA6
124
GDATA7
125
GDATA8
126
GDATA
9
128
GDATA10
12
9
GDATA11
130
GDATA12
131
GDATA13
132
GDATA14
133
GDATA15
134
EXTBUFOE
114
EXTBUFDIR
113
PAGE_
10
9
PACK_
9
6
RACK_
110
RCS_
112
PREQ_
111
RREQ_
9
8
PCS_
9
7
SCLINE_
99
WE_
9
2
OE_
9
3
ACK_RDY
102
CS6_
9
1
CGRESET_
135
PONRST_
136
RSTCLK12M
13
9
POR_IN
140
USBD0
42
USBD1
43
USBD2
44
USBD3
45
USBD4
46
USBD5
47
USBD6
48
USBD7
4
9
USBD8
32
USBD
9
34
USBD10
35
USBD11
36
USBD12
37
USBD13
38
USBD14
40
USBD15
41
USBA0
5
9
USBA1
58
USBA2
57
USBA3
55
USBA4
54
USBA5
53
USBA6
52
USBCS_
63
USBRD_
62
USBWR_
60
USBDACK
64
USBDREQ_
74
USBINTR_
73
PDATA1
88
PDATA2
87
PDATA3
86
PDATA4
85
PDATA5
84
PDATA6
82
PDATA7
81
PDATA8
80
STROBE_
7
9
PBUSY
68
PFAULT_
65
PSLCT
66
PPE
67
PREV
70
PAUTOFD_
75
PSLCTIN_
76
PINIT_
78
IOPORT0
2
IOPORT1
3
IOPORT2
4
IOPORT3
5
IOPORT4
7
IOPORT5
8
IOPORT6
9
IOPORT7
10
TDI
11
TMS
13
TRST
14
LOW
15
TCK
16
DMADONE_
18
DACK3(USB)_
1
9
DACK2(RCV)_
20
DACK1(SEND)_
21
DACK0(PARD)_
22
PARINT_
24
USBINT_
25
DREQ3(USB)_
26
DREQ2(RCV)_
27
DREQ1(SEND)_
2
9
DREQ0(PARD)_
30
TDO
31
SYSCLK
9
5
RTCIO
103
RTCCLK
104
RTCD
106
RTCCS_
107
PACK
6
9
CS5_
9
0
TP763TP763
R27
9
33
R27
9
33
C217
X_0.1uF
NOASM
C217
X_0.1uF
NOASM
TP671TP671
TP222TP222
TP755TP755
R2
9
0
X_75
NO
ASM
R2
9
0
X_75
NO
ASM
R2
99
4.7k
R2
99
4.7k
TP758TP758
R284
33
R284
33
TP6
99
TP6
99
TP607TP607
TP672TP672
R286
33
R286
33
TP248TP248
TP256TP256
C129
0.1uF
C129
0.1uF
C124
0.1uF
C124
0.1uF
TP67
9
TP67
9
C125
0.1uF
C125
0.1uF
R300
4.7k
R300
4.7k
TP757TP757
TP253TP253
TP234TP234
IC31
PST5
9
8IN
IC31
PST5
9
8IN
M/R
1
SUB
2
GND
3
Vout
4
Vcc
5
C134
0.1uF
C134
0.1uF
TP673TP673
TP610TP610
RN71
33x4
RN71
33x4
2
1
3
7
4
8
6
5
TP686TP686
TP251TP251
TP6
9
4
TP6
9
4
TP752TP752
R302
4.7k
R302
4.7k
TP754TP754
R21
9
10
R21
9
10
R283
33
R283
33
R217
4
.7k
R217
4
.7k
R221
4.7k
R221
4.7k
TP73
9
TP73
9
TP6
9
1
TP6
9
1
C19
2
0.1uF
C19
2
0.1uF
TP814TP814
R287
33
R287
33
TP713TP713
TP68
9
TP68
9
TP223TP223
R2
9
2
X
_4.7k
NO
ASM
R2
9
2
X
_4.7k
NO
ASM
TP734TP734
TP5
9
8
TP5
9
8
RN73
33x4
RN73
33x4
2
1
3
7
4
8
6
5
C136
0.1uF
C136
0.1uF
TP748TP748
TP751TP751
TP815TP815
TP753TP753
R220
10
R220
10
TP620TP620
TP680TP680
R282
33
R282
33
IC32
X_TC7WH74FU
NO
ASM
IC32
X_TC7WH74FU
NO
ASM
CK
1
D
2
Q_
3
GND
4
Q
5
CLR_
6
PR_
7
Vcc
8
TP701TP701
TP242TP242
R266
33
R266
33
TP113TP113
TP563TP563
TP24
9
TP24
9
RN74
33x4
RN74
33x4
2
1
3
7
4
8
6
5
C135
0.1uF
C135
0.1uF
TP745TP745
TP747TP747
TP255TP255
TP608TP608
TP750TP750
TP766TP766
TP687TP687
R154
220
R154
220
R246
4.7K
R246
4.7K
R249
4.7K
R249
4.7K
TP6
9
3
TP6
9
3
TP224TP224
TP742TP742
RN75
33x4
RN75
33x4
2
1
3
7
4
8
6
5
C133
0.1uF
C133
0.1uF
C138
0.1uF
C138
0.1uF
TP401TP401
TP744TP744
TP244TP244
TP746TP746
TP243TP243
TP61
9
TP61
9
TP735TP735
TP681TP681
C209
68pF
C209
68pF
TP702TP702
TP245TP245
TP74
9
TP74
9
IC27B
UNICORN2
IC27B
UNICORN2
Vss
1
Vss
6
Vss
17
Vss
28
Vss
3
9
Vss
50
Vss
61
Vss
72
Vss
83
Vss
9
4
Vss
101
Vss
105
Vss
116
Vss
127
Vss
138
Vss
14
9
Vss
155
Vss
160
Vss
171
Vcc
12
Vcc
23
Vcc
33
Vcc
51
Vcc
56
Vcc
71
Vcc
77
Vcc
8
9
Vcc
100
Vcc
108
Vcc
115
Vcc
121
Vcc
137
Vcc
144
Vcc
156
Vcc
165
Vcc
176
TP603TP603
TP682TP682
TP816TP816
TP604TP604
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PCL
PWB
(UNICORN
ASIC)
11/12
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