Sharp AR-M236 (serv.man4) Service Manual ▷ View online
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 8
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
GDATA15
MDA
T
A
1
MDA
T
A
2
MDAT
A
1
0
MDAT
A
1
1
MDAT
A
1
5
MDA
T
A
5
GDATA12
GDATA2
GDATA5
MDA
T
A
8
MDAT
A
1
4
MDA
T
A
3
GDATA4
GDATA6
GDATA0
MDA
T
A
6
GDATA11
GDATA8
MDA
T
A
9
GDATA3
GDATA10
MDA
T
A
0
MDA
T
A
4
MDA
T
A
7
GDATA1
GDATA14
MDAT
A
1
3
GDATA13
MDAT
A
1
2
GDATA9
GDATA7
MDA
T
A
9
MDA
T
A
8
MDA
T
A
1
MDAT
A
1
2
MDAT
A
1
4
MDATA[15:0]
MDAT
A
1
0
MDA
T
A
5
MDA
T
A
3
MDA
T
A
6
MDA
T
A
4
MDAT
A
1
3
MDA
T
A
0
MDAT
A
1
5
MDAT
A
1
1
MDA
T
A
2
MDA
T
A
7
EXTBUFDIR
12
EREADY_
2
SCLINE_
12
CTS0_
2
PCS_
12
ERESETIN_
2
RACK_
12
TXD
0
2
PAGE_
12
RTS0_
2
RCS_
12
PREQ_
12
PRINTWU_
2
RREQ_
12
PACK_
12
GDATA[15:0]
12
RXD0
2
PSS
T
S
2
PWOFF_
2
EXTBU
F
O
E
_
12
MBUSOE_
8
MBUSOE_
8
+3.3V
+3.3V
+5.0V
+3.3V
O
P
T
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
O
P
T
T
P
715
IC19
7
4
LCX
245
2
3
4
5
1
19
18
17
16
15
14
13
12
11
20
10
9
8
7
6
A1
A2
A3
A4
DIR
OE
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
A8
A7
A6
A5
C5
5
100pF
T
P
558
T
P
638
RN69
4.7Kx4
2
1
1
3
7
4
8
6
5
T
P
560
IC18
7
4
LCX
245
2
3
4
5
1
19
18
17
16
15
14
13
12
11
20
10
9
8
7
6
A1
A2
A3
A4
DIR
OE
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
A8
A7
A6
A5
RN63
4.7Kx4
2
1
1
3
7
4
8
6
5
R136
1
0
T
P
557
C6
1
100pF
T
P
422
C6
2
100pF
T
P
716
C6
3
100pF
T
P
418
R245
1
0
T
P
423
C51
0.1uF
T
P
637
C50
0.1uF
T
P
419
T
P
424
C6
5
100pF
+
C47
470uF/16V
C191
0.1uF
R153
4.7K
NoASM
T
P
420
T
P
639
T
P
426
C6
4
100pF
T
P
717
C45
0.1uF
R138
10
C6
7
100pF
R143
10
T
P
421
T
P
622
R123
4.7k
R124
4.7K
C6
6
100pF
T
P
425
T
P
718
CN9
MBUS_CN
5
42
38
43
13
15
37
14
8
29
44
26
45
58
57
27
56
54
24
53
6
23
7
52
3
22
4
51
33
21
34
50
20
1
49
59
19
2
48
18
31
47
32
17
10
9
39
30
28
25
16
12
11
55
41
40
35
46
60
36
RESET_
NC
READY_
PCLDETECT_
PCLPAGE_
PCLCRDY_
SCLINE_
PCLCMD
HSYNC_
PCLACK0P_
PCLSTS
PCLPRD
PCLSRDY_
PCLREQ0P_
PCLCS1P_
PCKACK1P_
PCLREQ1P_
DATA15
DATA14
DATA13
PWOFF_
DATA12
PRLINE_
DATA11
+3.3V
DATA10
+3.3V
DATA9
+3.3V
DATA8
+3.3VMAIN
DATA7
DATA6
+5V
DATA5
PCLCS0P_
DATA4
+5V
DATA3
DATA2
+5V
DATA1
+5V
DATA0
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
PRINTWU_
GND
GND
PSSTS
T
P
413
IC2C
7
4
LC
X
08M
T
C
9
10
8
T
P
719
R139
10
T
P
720
R137
10
T
P
412
T
P
641
C52
0.1uF
R140
10
T
P
621
R142
10
T
P
774
IC4F
74
L
C
X
1
4
13
12
T
P
411
T
P
775
IC4E
74LCX
1
4
11
10
R148
10
T
P
769
T
P
561
R150
10
RN62
4.7Kx4
2
1
1
3
7
4
8
6
5
T
P
768
T
P
410
IC20
7
4
LCX
244
2
4
6
8
11
13
15
17
1
19
18
16
14
12
9
7
5
3
20
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
R149
10
R147
10
T
P
705
T
P
771
RN68
33x4
2
1
3
7
4
8
6
5
+
C46
470uF/16V
R146
10
T
P
770
RN67
33x4
2
1
3
7
4
8
6
5
C48
0.1uF
C53
0.1uF
T
P
706
IC30
7
4
LC
X
244
2
4
6
8
11
13
15
17
1
19
18
16
14
12
9
7
5
3
20
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
R144
10
T
P
414
T
P
773
T
P
707
T
P
772
RN66
33x4
2
1
3
7
4
8
6
5
T
P
415
R145
10
R267
10
T
P
708
C49
0.1uF
T
P
416
RN61
4.7Kx4
2
1
1
3
7
4
8
6
5
RN64
4.7Kx4
2
1
1
3
7
4
8
6
5
T
P
709
RN65
33x4
2
1
3
7
4
8
6
5
T
P
417
RN70
4.7Kx4
2
1
1
3
7
4
8
6
5
R268
10
C214
0.1uF
R141
10
T
P
559
T
P
710
R269
10
C215
0.01uF
Tr
1
DTC114YKA
2
3
1
C5
6
100pF
R270
10
C5
9
100pF
R271
10
C6
0
100pF
T
P
711
R273
10
R272
10
R274
10
C5
8
100pF
R151
4.7K
C5
7
100pF
T
P
712
R152
4.7K
R135
4.7K
NoASM
C5
4
100pF
T
P
556
<MBUS>
<MBUS CONNENTOR>
<+3.3V IN>
MBUS
7/12
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 9
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
<USB 2.0FS>
<USB CONNECTOR>
DLP31: Place Near CN10
R160,162,163
Place Near
ML60852
USB2.0 (FS) CONTROLLER
8/12
USB_D6
USB_D1
USB_D13
USB_D8
USB_D12
USB_D5
USB_D11
USB_D3
USB_D10
USB_D2
USB_D9
USB_D4
USB_D15
USB_D14
USB_D0
USB_D7
USB_DACK0
USB_A5
USB_A2
USB_A4
USB_A3
USB_A3
USB_A1
USB_A6
USB_A0
USB_DREQ0_
12
PONRST_
2,4,7,11,12
USB_INTR_
12
USB_A[6:0]
12
USB_RD_
12
USB_CS_
12
USB_D[15:0]
12
USB_WR_
12
USB_DACK0
12
USB_JNC
2
12
M
H
z
1
2
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
C211
6pF
NoASM
T
P
399
R159
10K
R156
1K
R158
10
K
L2
BLM21PG221
S
N
1
1
2
T
P
111
R155
4.7K
CN10
DUSB-BRA42-T11(D4T)
FG
FG
1
2
3
4
FG
FG
C68
0.1uF
C69
0.1uF
IC4D
74
L
C
X
1
4
9
8
IC21
ML60852ATB
34
35
36
37
38
39
40
41
42
33
43
44
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
32
31
30
29
28
27
26
25
24
23
DREQ0
AD7
AD6
AD5
AD4
GND
VCC
AD3
AD2
DACK0
AD1
AD0
D+
D-
VCC
TEST1
GND
XIN
XOUT
CS
RD
WR
RESET
D8
D9
D10
D11
DACK1
TEST2
D12
D13
D14
D15
INTR
A0
A1
A2
A3
A4
A5
A6
DREQ1
ADSEL
ALE/PUCTL
L1
DLP31SN121SL2
1
4
2
3
C70
0.1uF
R162
22(0.125W)
C213
6pF
NoASM
R163
22(0.125W)
T
P
397
X2
SG_8002JC
12MHz
1
2
3
4
CONT
GND
OUT
VDD
R164
22(0.125W)
R160
1.5K
R161
4.7K
R157
1K
T
P
393
T
P
394
L15
BLM18BB121
S
N
1
T
P
427
T
P
466
T
P
395
T
P
396
C212
6pF
NoASM
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 10
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PARAD1
PARAD0
PARAD5
PARAD6
PARAD4
PARAD7
PARAD3
PARAD2
REV
12
1284BUSY
12
1284ACK
12
1284
P
E
12
1284SL
C
T
12
1284FAULT_
12
1284INIT_
12
1284AUTOFD_
12
1
2
84ST
B_
12
1284SLCTIN_
12
PARAD[7:0]
12
+5.0V
+3.3V
+5.0V
T
P
385
T
P
104
C8
4
100pF
R167
0
T
P
105
T
P
386
R168
0
T
P
107
T
P
387
C8
1
100pF
T
P
108
R169
0
R170
0
T
P
109
T
P
388
C8
3
100pF
T
P
110
C8
0
100pF
T
P
389
T
P
390
T
P
374
R177
10K
NoASM
R182
0
T
P
391
R183
0
T
P
375
T
P
392
R178
10K
R175
0
R179
10K
R181
0
C89
0.1uF
T
P
554
T
P
376
R184
0
R173
0
C7
2
100pF
T
P
555
R174
0
T
P
377
+
C90
22uF/16V
C7
3
100pF
IC23
FC74F1071
1
2
3
4
5
2
3
4
5
6
7
8
9
10
11
12
13
14
15
8
9
10
11
12
13
14
15
16
17
18
19
20
18
19
20
C1
C2
C3
C4
C5
C2
C3
C4
C5
GND
C6
C7
C8
C9
C7
C8
C9
C10
C11
C12
C13
C14
C11
C12
C13
C14
GND
C15
C16
C17
C18
C16
C17
C18
C71
0.1uF
T
P
378
IC22
74LVX
161284M
E
A
8
9
11
12
13
14
16
17
2
3
4
5
6
20
21
22
23
1
48
19
25
7
18
31
42
41
40
38
37
36
35
33
32
47
46
45
44
43
29
28
27
26
30
24
10
15
34
39
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
HD
DIR
PERI LOGIC IN
HOST LOGIC IN
VCC
VCC
VCC CABLE
VCC CABLE
B1
B2
B3
B4
B5
B6
B7
B8
Y9
Y10
Y11
Y12
Y13
C14
C15
C16
C17
PERI LOGIC OUT
HOST LOGIC OUT
GND
GND
GND
GND
R171
0
C7
4
100pF
C7
5
100pF
T
P
379
C7
8
100pF
C8
7
100pF
R172
0
C7
7
100pF
C7
6
100pF
T
P
380
C7
9
100pF
R186
10K
C8
6
100pF
T
P
381
T
P
101
C8
8
100pF
T
P
382
CN11
PARACONN
35
31
19
32
1
36
33
22
34
20
10
21
11
12
23
13
24
14
25
16
26
17
27
2
28
3
29
30
4
5
6
7
8
9
15
18
NC
INPRIM_
GND
FAULT_
DSTB_
SLCTIN_
SG
GND
NC
GND
ACK
GND
BUSY
PE
GND
SLCT
GND
AUTOLF_
GND
SG
GND
FG
GND
DATA1
GND
DATA2
GND
GND
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
NC
PLHIGH
C8
5
100pF
R176
0
R185
10K
T
P
383
R180
0
R165
0
T
P
102
T
P
384
C8
2
100pF
R166
0
T
P
103
<IEEE1284 I/F>
<IEEE 1284 CONNECTOR>
Undershoot/Overshoot Clamp
& ESD Protection
*IC23 is mounted on Chinese model (UN. No.RS53) only.
IEEE1284 CONTROLLER
9/12
AR-M236/M276/M237/M277 PCL PWB (AR-P17) 4 - 11
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PCIAD19
PCIAD23
PCIAD31
PCIAD10
PCIAD21
PCIAD12
PCIAD1
PCIAD7
PCIAD2
PCIBE1
PCIAD8
PCIAD14
PCIAD3
PCIAD6
PCIAD15
PCIAD0
PCIAD29
PCIAD5
PCIAD30
PCIAD20
PCIAD9
PCIAD16
PCIAD24
PCIAD27
PCIAD18
PCIBE0
PCIAD26
PCIAD25
PCIAD28
PCIAD13
PCIAD4
PCIAD22
PCIAD17
PCIBE2
PCIBE3
PCIAD11
PTRDY_
4
PSERR_
4
PCIBE[3:0]
4
PCIGNT1_
4
PCIINTA_
2,4
PCIAD[31:0]
4
PPAR
4
PST
O
P
_
4
PFRAME_
4
PCICLK1
4
PIRDY_
4
PPERR_
4
PDEVSEL_
4
PCIREQ1_
4
PONRST_
2,4,7,9,12
25
M
H
z
2
LED10_
LED100_
LEDACT_
LED100_
LED10_
LEDACT_
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
C95
0.1uF
T
P
580
R187
10
R198
47
0
R189
0
R207
0
NoASM
T
P
461
C121
0.1uF
R210
10k
T
P
463
C110
0.01uF
R190
49.9(0.1W/1%)
T
P
581
T
P
287
R202
54.9(0.1W/1%)
C108
0.01uF
R197
0
R205
10
R213
0
L7
BLM18BB121
S
N
1
NoASM
C92
0.1uF
T
P
288
C91
10pF
C104
0.01uF
+
C114
22uF/16V
T
P
575
CN12
J0026D21G
1
2
3
4
5
6
7
8
9
10
11
12
TX+
TX-
CT
NC
NC
CT
RX+
RX-
LNK_LED_1
LNK_LED_2
LEDACT_A
LEDACT_K
C94
0.1uF
R200
49.9(0.1W/1%)
R193
54.9(0.1W/1%)
T
P
432
C103
0.01uF
C117
0.1uF
C102
0.01uF
L3
BLM18BB121
S
N
1
JP6
T
2
B-SQ
1
2
T
P
617
R264
10k
T
P
576
C101
0.01uF
C100
0.01uF
C99
0.01uF
T
P
616
L4
BLM18BB12
1
S
N
1
T
P
573
T
P
465
C98
0.01uF
C97
0.01uF
T
P
585
C107
1000pF
L6
BLM
11B121SBPT
M
IC24A
DP83816(8381
5
)
17
18
34
40
41
42
43
45
46
48
50
53
54
59
60
61
62
63
64
66
67
68
70
71
72
73
74
75
76
78
79
81
82
83
86
87
88
89
91
92
93
95
96
97
98
99
100
101
102
104
105
106
108
109
110
111
112
113
115
116
118
119
120
121
122
123
127
129
130
131
132
134
135
139
140
141
4
5
6
7
10
11
12
13
14
15
22
23
24
25
28
29
30
31
142
144
143
3
128
2
1
138
133
19
69
80
94
107
117
39
47
58
125
36
56
85
9
27
137
21
33
16
65
77
90
103
114
38
44
57
124
35
51
84
8
26
136
20
32
52
55
37
49
126
X1
X2
NC
VREF
RESERVED
NC
NC
TPRDM
TPRDP
REGEN
RESERVED
TPTDM
TPTDP
PMEN/CLKRUNN
PCICLK
INTAN
RSTN
GNTN
REQN
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
CBEN3
IDSEL
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
CBEN2
FRAMEN
IRDYN
TRDYN
DEVSELN
STOPN
PERRN
SERRN
PAR
CBEN1
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
CBEN0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
3VAUX
PWRGOOD
RESERVED
MCSN
MRDN
MWRN
MD0
MD2
MD3
MD5
MD6
MD7
MDIO
MDC
RXCLK
RXD0/MA6
RXD1/MA7
RXD2/MA8
RXD3/MA9
RXOE
RXER/MA10
RXDV/MA11
TXD0/MA12
TXD1/MA13
TXD2/MA14
TXD3/MA15
COL
CRS
TXEN
TXCLK
MA0/LEDACTN
MA2/LED100N
MA1/LED10N
MA5
EESEL
MA4/EECLK
MA3/EEDI
MD4/EEDO
MD1/CFGDISN
C1(VDDIO2)
PCIVDD1
PCIVDD2
PCIVDD3
PCIVDD4
PCIVDD5
IAUXVDD(RXAVDD1)
IAUXVDD(RXAVDD2)
AUXVDD(MACVDD1)
NC(MACVDD2)
NC(FSVDD)
AUXVDD(TXDVDD)
NC(VDDIO4)
AUXVDD(VDDIO1)
AUXVDD(VDDIO3)
AUXVDD(VDDIO5)
AUXVDD(PHYVDD1)
AUXVDD(PHYVDD2)
VSS(VSSIO2)
PCIVSS1
PCIVSS2
PCIVSS3
PCIVSS4
PCIVSS5
RXAVSS1/VSS
RXAVSS2/VSS
MACVSS1/VSS
MACVSS2/NC
FSVSS/VSS
VSS(TXDVSS)
NC(VSSIO4)
VSS(VSSIO1)
VSS(VSSIO3)
VSS(VSSIO5)
VSS(PHYVSS1)
VSS(PHYVSS2)
VSS(TXIOVSS1)
VSS(TXIOVSS2)
NC(SUBGND1)
VSS(SUBGND2)
NC(SUBGND3)
L8
BLM18BB121
S
N
1
NoASM
T
P
586
TPAD29
1
C109
1000pF
T
P
516
R211
0
NoASM
T
P
574
C207
10pF
NoASM
R212
1K
NoASM
L5
BLM18BB12
1
S
N
1
C106
1000pF
T
P
515
T
P
464
C105
0.01uF
C115
0.1uF
+
C113
10uF/16V
T
P
578
T
P
577
C112
0.01uF
C111
1000pF
R263
10k
R214
0
R188
47
0
R204
10K
C120
0.01uF
C118
0.01uF
C93
0.1uF
T
P
618
C119
0.1uF
IC26
CAT93C46SI-TE13
1
2
3
4
5
6
7
8
CS
SK
DI
DO
GND
NC
NC
VCC
R208
0
NO ASM
T
P
579
R206
10
K
C116
0.1uF
C96
1uF/10V
R209
0
Place Near IC24
<ETHERNET CONNECTOR>
ASM / NO ASM TABLE
DP83815
R207
ASM
NO ASM
R214
NO ASM
ASM
R211
ASM
NO ASM
R213
NO ASM
ASM
C113
NO ASM
ASM
C115
NO ASM
ASM
L6
NO ASM
ASM
L7
ASM
NO ASM
L8
ASM
NO ASM
DP83816
ETHER I/F
10/12
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