Sharp AR-M236 (serv.man4) Service Manual ▷ View online
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 12
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
LD11
LD9
LA
7
LA
3
LA
9
LA
4
LD12
LA
2
LD8
LA
0
LA
1
LD4
LA1
0
LD6
LD3
LA
5
LD10
LD7
LD5
LA
6
LA
8
LD0
LA1
1
LD14
LD15
LD13
LD2
LD1
PARAD7
PARAD5
PARAD3
PARAD1
GDATA7
GDATA10
GDATA6
GDATA8
GDATA3
GDATA13
GDATA14
GDATA9
GDATA4
GDATA0
GDATA15
GDATA2
GDATA11
GDATA12
GDATA1
GDATA5
PARAD0
PARAD2
PARAD4
PARAD6
USB_A6
USB_D13
USB_D11
USB_D4
USB_A0
USB_D10
USB_D8
USB_D9
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
REV
10
DACK0
3
1284SLCTIN_
10
DACK1
3
DACK3
3
1
2
84ST
B_
1
0
1284
P
E
10
1284ACK
10
F_DBG_LED2
13
1284BUSY
10
1284INIT_
10
1284AUTOFD_
1
0
DDONE_
3
F_DBG_LED0
13
1284SLC
T
1
0
DACK2
3
F_DBG_LED3
13
F_DBG_LED1
13
1284FAULT_
10
PAGE_
8
SCLINE_
8
EXTBU
F
O
E
_
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
12M
H
z
9
PCS_
8
ROMCS5_
3
UNI_OE_
6
GARESET_
CGRESET_
2
RACK_
8
LA[11:0]
6,7
GDATA[15:0]
8
LD[15:0]
6,7
PARAD[7:0]
10
GAJTDO
2
GAJTDI
2
JTRST_
2
JTCK
2
JT
M
S
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
+3.3V
+3.3V
+3.3V
+3.3V
T
P
757
T
P
225
T
P
734
T
P
692
T
P
258
T
P
680
T
P
697
T
P
619
IC27A
UNICORN2
175
174
173
172
170
169
168
167
166
164
163
162
161
159
158
157
154
153
152
151
150
148
147
146
145
143
142
141
117
118
119
120
122
123
124
125
126
128
129
130
131
132
133
134
114
113
109
96
110
112
111
98
97
99
92
93
102
91
135
136
139
140
42
43
44
45
46
47
48
49
32
34
35
36
37
38
40
41
59
58
57
55
54
53
52
63
62
60
64
74
73
88
87
86
85
84
82
81
80
79
68
65
66
67
70
75
76
78
2
3
4
5
7
8
9
10
11
13
14
15
16
18
19
20
21
22
24
25
26
27
29
30
31
95
103
104
106
107
69
90
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
LD9
LD10
LD11
LD12
LD13
LD14
LD15
LA0
LA1
LA2
LA3
LA4
LA5
LA6
LA7
LA8
LA9
LA10
LA11
GDATA0
GDATA1
GDATA2
GDATA3
GDATA4
GDATA5
GDATA6
GDATA7
GDATA8
GDATA9
GDATA10
GDATA11
GDATA12
GDATA13
GDATA14
GDATA15
EXTBUFOE
EXTBUFDIR
PAGE_
PACK_
RACK_
RCS_
PREQ_
RREQ_
PCS_
SCLINE_
WE_
OE_
ACK_RDY
CS6_
CGRESET_
PONRST_
RSTCLK12M
POR_IN
USBD0
USBD1
USBD2
USBD3
USBD4
USBD5
USBD6
USBD7
USBD8
USBD9
USBD10
USBD11
USBD12
USBD13
USBD14
USBD15
USBA0
USBA1
USBA2
USBA3
USBA4
USBA5
USBA6
USBCS_
USBRD_
USBWR_
USBDACK
USBDREQ_
USBINTR_
PDATA1
PDATA2
PDATA3
PDATA4
PDATA5
PDATA6
PDATA7
PDATA8
STROBE_
PBUSY
PFAULT_
PSLCT
PPE
PREV
PAUTOFD_
PSLCTIN_
PINIT_
IOPORT0
IOPORT1
IOPORT2
IOPORT3
IOPORT4
IOPORT5
IOPORT6
IOPORT7
TDI
TMS
TRST
LOW
TCK
DMADONE_
DACK3(USB)_
DACK2(RCV)_
DACK1(SEND)_
DACK0(PARD)_
PARINT_
USBINT_
DREQ3(USB)_
DREQ2(RCV)_
DREQ1(SEND)_
DREQ0(PARD)_
TDO
SYSCLK
RTCIO
RTCCLK
RTCD
RTCCS_
PACK
CS5_
T
P
233
R284
33
T
P
253
T
P
609
T
P
735
T
P
698
T
P
681
T
P
249
T
P
737
R283
33
C127
0.1uF
R217
4.7k
T
P
234
R282
33
T
P
699
C209
68pF
T
P
736
T
P
765
T
P
684
T
P
738
C210
68pF
T
P
764
T
P
701
T
P
598
C208
0.1uF
T
P
763
R221
4.7k
T
P
739
R281
33
T
P
702
R280
33
IC31
PST598IN
1
2
3
4
5
M/R
SUB
GND
Vout
Vcc
T
P
696
RN73
33x4
2
1
3
7
4
8
6
5
T
P
257
R279
33
T
P
594
T
P
742
RN74
33x4
2
1
3
7
4
8
6
5
T
P
628
T
P
245
T
P
741
T
P
675
T
P
691
RN75
33x4
2
1
3
7
4
8
6
5
T
P
687
T
P
762
T
P
740
RN76
33x4
2
1
3
7
4
8
6
5
C134
0.1uF
T
P
607
T
P
761
T
P
678
RN72
33x4
2
1
3
7
4
8
6
5
T
P
242
T
P
672
C136
0.1uF
T
P
252
T
P
760
T
P
673
R285
33
C135
0.1uF
C192
0.1uF
C133
0.1uF
C138
0.1uF
R286
33
T
P
248
R265
33
C137
0.1uF
T
P
401
R287
33
T
P
745
C140
0.1uF
T
P
744
T
P
695
C139
0.1uF
R266
33
C128
0.1uF
R154
22
0
T
P
256
T
P
402
T
P
749
T
P
743
T
P
683
D1
L
T
1P67A
T
P
756
T
P
610
T
P
690
R246
4.7K
C132
0.1uF
RN71
33x4
2
1
3
7
4
8
6
5
T
P
113
C131
0.1uF
T
P
748
C130
0.1uF
IC27B
UNICORN2
1
6
17
28
39
50
61
72
83
94
101
105
116
127
138
149
155
160
171
12
23
33
51
56
71
77
89
100
108
115
121
137
144
156
165
176
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
T
P
686
T
P
605
T
P
747
R247
1K
C129
0.1uF
T
P
251
T
P
244
T
P
746
T
P
670
T
P
676
T
P
713
T
P
694
T
P
563
T
P
255
T
P
671
T
P
247
C124
0.1uF
T
P
679
T
P
608
T
P
752
T
P
211
T
P
751
T
P
714
T
P
603
T
P
750
T
P
689
T
P
222
T
P
682
R249
4.7K
T
P
602
T
P
693
C126
0.1uF
T
P
250
T
P
755
T
P
685
C125
0.1uF
T
P
254
T
P
754
T
P
604
T
P
753
T
P
243
T
P
611
T
P
625
T
P
606
T
P
674
R219
10
T
P
677
T
P
223
T
P
246
R290
75
NoASM
R220
10
T
P
627
T
P
733
T
P
759
T
P
224
T
P
766
T
P
758
T
P
688
T
P
620
<POR>
<POWER LED>
UNICORN ASIC
11/12
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 13
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
CPU POWER
12/12
PVSS
2
PVSS1
PVSS1
PVSS2
DBG_LED3
2
DBG_LED1
2
DBG_LED0
2
DBG_LED2
2
F_DBG_LED0
12
F_DBG_LED1
12
F_DBG_LED3
12
F_DBG_LED2
12
+3.3V
+1.5V
+1.5V
+3.3V
PVDD2
PVDD1
PVDD2
PVDD1
+3.3V
+5.0V
+1.5V
+5.0V
+1.5V
+3.3V
+3.3V
T
P
583
TP
2
1
L10
BLM41PG
600SN1
1
2
TP
1
1
R223
10
C168
0.1uF
C166
0.1uF
F1
ROHM ICP-S1.2
C177
0.1uF
C169
0.1uF
C163
0.1uF
C190
0.1uF
C154
0.1uF
R240
470
C186
0.1uF
T
P
238
C170
0.1uF
C164
0.1uF
C144
0.1uF
T
P
595
D8
SM
L-21
0
M
T
T
P
239
C155
0.1uF
C178
0.1uF
D10
SM
L-21
0
M
T
D6
SM
L-21
0
M
T
T
P
240
TP
3
1
C183
0.1uF
IC29
NJM2360A
M
1
2
3
4
5
6
7
8
Cs
Es
Ct
GND
IN+
V+
Si
Cd
C161
0.1uF
T
P
207
C156
0.1uF
C182
0.1uF
T
P
241
T
P
596
R230
10
C187
0.1uF
R231
10
C162
0.1uF
C180
0.1uF
T
P
208
R235
220
C148
1000pF
C203
0.1uF
C171
0.1uF
R227
3K/1%
T
P
209
R232
10
R228
15K/1%
C181
0.1uF
T
P
210
C172
0.1uF
C147
68nF
C152
0.1uF
IC2D
7
4
LCX
08M
T
C
12
13
11
C159
0.1uF
C179
0.1uF
T
P
562
R236
220
TX4927&
3
7
4
/5
IC1D
TMPR4927/4
9
3
7
R24
R25
P24
P25
A24
B5
C3
C9
C18
D12
D14
D16
D19
D21
D25
E4
E7
F22
F25
H4
H25
M3
M23
N5
N23
P5
R4
T4
T24
U24
V3
V4
V22
W23
Y22
AA3
AB7
AB23
AC5
AC8
AC9
AC13
AC14
AC15
AD1
AE2
AC16
AE21
AE24
AE26
AF9
AF11
AF20
AF23
D4
D8
D10
D15
D17
D23
F5
G5
H23
K4
K23
M4
P22
R23
U4
U23
W4
AC4
AC10
AC12
AC17
AC19
AC23
A13
A23
B26
D2
D6
D9
E5
E8
E10
E12
E15
E17
E18
E19
E22
H5
H22
J23
K5
K22
L23
M5
M22
N4
N24
P2
P4
R5
R22
T1
T26
U5
U22
U26
V1
V2
V24
W3
W5
W22
W24
Y3
AA4
AA23
AB5
AB8
AB10
AB12
AB13
AB14
AB15
AB17
AB19
AB22
AB24
AB26
AC2
AC3
AC6
AC21
AC24
AD4
AD5
AD8
AD9
AD11
AD19
AD20
AD23
AE12
AE14
AE18
AE23
AF1
AF5
AF10
AF16
AF18
AF26
PLL1VDD_A
PLL1VSS_A
PLL2VDD_A
PLL2VSS_A
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VDDIN
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
+
C146
10uF/16V
R233
220
NoASM
C160
0.1uF
R229
10
T
P
567
C150
68nF
D5
SM
L-21
0
M
T
T
P
623
C149
1000pF
C173
0.1uF
D9
SM
L-21
0
M
T
R225
10
C174
0.1uF
R234
220
T
P
566
L12
BLM41PG
600SN1
1
2
T
P
564
L11
BLM41PG
600SN1
1
2
D3
SM
L-21
0
M
T
+
C145
10uF/16V
L13
BLM41PG
600SN1
1
2
R237
470
T
P
568
T
P
624
C185
0.1uF
T
P
565
C204
0.1uF
R226
10
IC2B
7
4
LCX
08M
T
C
4
5
6
T
P
569
R222
0.24ohm/0.5W
T
P
600
D4
SM
L-21
0
M
T
T
P
570
C157
0.1uF
R238
470
C188
0.1uF
D2
D1FM3
T
P
571
C158
0.1uF
+
C142
120uF/10V
T
P
584
C153
0.1uF
L9
SLF12575T-22
1
M
1
R
3
1
2
C175
0.1uF
C184
0.1uF
D7
SM
L-21
0
M
T
C151
220pF
TX4927
&
3
7
5
/5
IC1E
TMPR4927/4
9
3
7
K10
K11
K12
K13
K14
K15
K16
K17
L10
L11
L12
L13
L14
L15
L16
L17
M10
M11
M12
M13
M14
M15
M16
M17
N10
N11
N12
N13
N14
N15
N16
N17
P10
P11
P12
P13
P14
P15
P16
P17
R10
R11
R12
R13
R14
R15
R16
R17
T10
T11
T12
T13
T14
T15
T16
T17
U10
U11
U12
U13
U14
U15
U16
U17
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
T
P
601
R239
470
C176
0.1uF
+
C141
220uF/6.3V
C189
0.1uF
R224
10
C143
0.1uF
C167
0.1uF
C165
0.1uF
<TX4927AF Internal POWER 1.5V>
<DEBUG LED>
C203: Place near IC2
C204: Place near IC4
Memo
Memo
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