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Brother HL-2037 User Manual

Brother HL-2037
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HL-2030/2040/2070N SERVICE MANUAL
A-5
Confidential
ADR[3]
ADR[12]
ADR[16]
ADR[6]
ADR[7]
ADR[2]
ADR[11]
ADR[10]
ADR[4]
ADR[15]
ADR[5]
ADR[14]
ADR[13]
ADR[9]
ADR[8]
ADR[1]
ADR[7]
ADR[13]
ADR[2]
ADR[3]
ADR[8]
ADR[5]
ADR[10]
ADR[12]
ADR[6]
ADR[4]
ADR[11]
ADR[9]
ADR[23]
ADR[22]
ADR[21]
ADR[20]
ADR[2]
DATA[12]
ADR[19]
ADR[1]
DATA[10]
DATA[11]
ADR[10]
ADR[9]
ADR[8]
ADR[7]
DATA[9]
ADR[6]
DATA[7]
ADR[5]
DATA[8]
ADR[4]
ADR[3]
ADR[18]
ADR[17]
ADR[16]
DATA[6]
ADR[15]
DATA[4]
DATA[5]
ADR[14]
ADR[13]
ADR[12]
ADR[11]
DATA[3]
DATA[15]
DATA[1]
DATA[13]
DATA[0]
DATA[2]
DATA[14]
DATA[9]
DATA[8]
ADR[22]
ADR[16]
DATA[2]
ADR[19]
DATA[7]
ADR[5]
DATA[11]
ADR[3]
DATA[6]
ADR[13]
ADR[7]
ADR[17]
ADR[11]
DATA[15]
DATA[10]
DATA[14]
ADR[1]
ADR[2]
DATA[5]
ADR[21]
DATA[1]
ADR[4]
ADR[12]
ADR[15]
ADR[6]
DATA[13]
ADR[20]
ADR[14]
ADR[9]
ADR[18]
ADR[8]
ADR[10]
DATA[12]
DATA[3]
DATA[4]
DATA[0]
ADR[23]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
DATA[15]
DATA[13]
DATA[5]
DATA[7]
DATA[3]
DATA[8]
DATA[14]
DATA[2]
DATA[11]
DATA[6]
DATA[9]
DATA[12]
DATA[4]
DATA[10]
DATA[1]
DATA[0]
C62
C101
0V
TP197
TP188
TP219
27
0V
C173
C104
U15
LAN91C113I-NE
LAN
XTAL1
127
XTAL2
128
AEN
41
nRD
31
nWR
32
INTR0
29
RESET
30
nLDEV
45
ARDY
38
nSRDY
43
nVLBUS
40
W/nR
36
nRDYRTN
46
nCYCLE
35
nADS
37
LCLK
42
VDD(nDATACS)
34
VDD(nBE3)
97
VDD(nBE2)
96
nBE1
95
nBE0
94
A1
78
A2
79
A3
80
A4
81
A5
82
A6
83
A7
84
A8
85
A9
86
A10
87
A11
88
A12
89
A13
90
A14
91
A15
92
D0
107
D1
106
D2
105
D3
104
D4
102
D5
101
D6
100
D7
99
D8
76
D9
75
D10
74
D11
73
D12
71
D13
70
D14
69
D15
68
D16
66
VDD(D17)
65
VDD(D18)
64
VDD(D19)
63
VDD(D20)
61
VDD(D21)
60
VDD(D22)
59
VDD(D23)
58
VDD(D24)
56
VDD(D25)
55
VDD(D26)
54
VDD(D27)
53
VDD(D28)
51
VDD(D29)
50
VDD(D30)
49
VDD(D31)
48
nCSOUT
2
X25OUT
47
nLNK
20
LBK
21
nCNTRL
28
RBIAS
12
TPO+
14
TPO-
15
TPI+
17
TPI-
18
nLEDA
22
nLEDB
23
RXD0
124
RXD1
123
RXD2
122
RXD3
121
TXD0
116
TXD1
115
TXD2
114
TXD3
113
TXEN100
111
CRS100
119
COL100
112
RX_DV
125
RX_ER
126
MDI
25
MDO
26
MCLK
27
RX25
118
TX25
109
IOS0
3
IOS1
4
IOS2
5
ENEEP
6
EEDO
7
EEDI
8
EESK
9
EECS
10
AVDD11
11
AVDD16
16
AGND13
13
AGND19
19
VDD1
1
VDD33
33
VDD44
44
VDD62
62
VDD77
77
VDD98
98
VDD110
110
VDD120
120
GND24
24
GND39
39
GND52
52
GND57
57
GND67
67
GND72
72
GND93
93
GND103
103
GND108
108
GND117
117
C181
C103
TP93
VDD5
0V
C93
C101
C63
C101
TP217
0V
IF_FG2
20
0V
R131
220
X4
AT-49 25.00MHZ
18
+5V
C174
C104
0V
C187
C102
TP211
0V
TP204
VDD3
R154
49.9
1%(F)
(1608)
C168
C103
TP224
IF_FG4
1-5A
CDCC_RSTN
RA12
100
2
7
1
8
3
6
4
5
TP202
0V
R147
49
1%(F)
(1608)
TP192
C172
C103
0V
C89
C101
C179
C103
(1608)
10%(B)
C103
C103
1-5A
CDCC_DATA
TP220
36
SELIN
RA6
100
2
7
1
8
3
6
4
5
C191
C104
30
0V
3
DI2
C87
C101
C180
C103
13
SELECT
1-3B/4F/4D
ADR[23-1]
C86
C101
29
0V
1-3C/5D/7D
IORDN
26
0V
0V
32
FLT
VDD3
TP194
17
0V
TP201
R155
100
(1608)
1-1B/4F
DATA[15-0]
6
DI5
1-3C/5C
IOWEN
C176
C103
(1608)
TP205
TP193
4
DI3
0V
1-3C
LAN_RST
C97
C101
25
0V
1
STB
TP214
VDD3
31
INPRIM
1-1C
LAN_INT
35
NC
DA2
DF5A6.8FU
C3
C1
C2
A
C4
VDD3
R152
49.9
(1608)
1%(F)
TP222
TP216
R145
49
1%(F)
(1608)
C178
C103
(1608)
23
0V
0V
0V
R133
10k
C189
C104
TP218
0V
DA4
DF5A6.8FU
C3
C1
C2
A
C4
R132
10k
C170
C103
7
DI6
C92
C101
C81
C101
0V
C182
C103
11
BUSY
33
NC
DA5
DF5A6.8FU
C3
C1
C2
A
C4
19
0V
TP212
VDD3
TP190
R143
49
1%(F)
(1608)
1-5B
CDCC_INTN
24
0V
R138
100
(1608)
VDD3
TP104
12
PE
9
DI8
C169
C103
TP200
TP225
2
DI1
28
0V
TP191
TP189
TP203
TP210
16
0V
C84
C101
L3
(1608)
0
0V
R156
1k
R140
11k
ZD1
UDZS6.8B
0V
TP122
R61
1k
C164
C10P
5
DI4
1-5B
CDCC_CLK
R71
100
22
0V
TP207
0V
1-3C
LAN_CSN
8
DI7
C96
C101
C72
C104
R129
3.3k
R149
49
1%(F)
(1608)
TP199
C177
C103
(1608)
0V
DA3
DF5A6.8FU
C3
C1
C2
A
C4
R159
10k
TP198
14
ATFEED
15
NC
C90
C101
TP215
TP213
21
0V
TP187
C74
C103
CN11
10
ACK
IF_FG3
34
NC
C183
C103
R160
10k
C171
C10P
TP226
VDD5
1-3B/1D/4F
ADR[17]
C120
C101
R92
1k
1-3B/1D/4D
ADR[23-1]
1-3D
SDCLK0
1-3B/1D/4F
ADR[18]
C155
C103
1-1B/1E
DATA[15-0]
1-3B/1D/4F
ADR[15]
0V
TP129
1-3B/1D/4F
ADR[19]
TP157
1-3B/1D/4F
ADR[14]
C152
C103
C150
C103
1-3B/1D/4F
ADR[20]
1-3B/1D/4F
ADR[16]
C140
C103
0V
R115
0
1-2C/3-1B
RSTN
VDD3
TP163
1-3D
SDCSN0
VDD3
3B
LEDA
3B
LEDB
2B
LEDA
2B
LEDB
RA1
1.5k
2
7
1
8
3
6
4
5
RA4
1.5k
2
7
1
8
3
6
4
5
RA17
2.2k
2
7
1
8
3
6
4
5
R54
1.5k
VDD5
RA7 2.2k
2
7
1
8
3
6
4
5
VDD5
VDD3
0V
VDD3
VDD3
1-2C/7D
ROMCSN0
0V
1-3C/1B/7D
IORDN
U11
MBM29PL12LM
CE
32
WE
13
OE
34
RY/BY
17
BYTE
53
RESET
14
A0
31
A1
26
A2
25
A3
24
A4
23
A5
22
A6
21
A7
20
A8
10
A9
9
A10
8
A11
7
A12
6
A13
5
A14
4
A15
3
A16
54
A17
19
A18
18
A19
11
A20
12
A21
15
A22
2
A23
1
A24
56
A25
55
VCC
43
VSS52
52
VSS33
33
VI/0(VCCQ)
29
NC27
27
NC28
28
NC30
30
WP/ACC
16
DQ0
35
DQ1
37
DQ2
39
DQ3
41
DQ4
44
DQ5
46
DQ6
48
DQ7
50
DQ8
36
DQ9
38
DQ10
40
DQ11
42
DQ12
45
DQ13
47
DQ14
49
DQ15/A-1
51
1-3C/1B
IOWEN
0V
C124
C103
TP130
VDD3
0V
C141
C103
VDD3
1-3C/1B/5D
IORDN
1-2C/5C
ROMCSN0
U12
K3N6V1000D
1
BHE
25
VSS-25
37
VCC-37
6
A12
5
A13
15
A17
4
A14
12
VSS-12
23
A0
14
A18
22
A1
20
A3
29
DQ8
44
DQ14
31
DQ9
33
DQ10
21
A2
19
A4
18
A5
24
CE
8
A10
7
A11
11
A19
2
A16
3
A15
13
A20
46
DQ15/A-1
35
DQ11
40
DQ12
42
DQ13
27
OE
17
A6
16
A7
9
A9
10
A8
30
DQ1
32
DQ2
34
DQ3
39
DQ4
41
DQ5
43
DQ6
45
DQ7
38
VCC-38
26
VSS-26
36
VSS-36
47
VSS-47
48
VSS-48
28
DQ0
C139
C103
VDD3
57RE40360-730B-D29
38
FG
37
FG
TP233
TP232
TP234
TP229
TP231
TP235
TP185
TP186
TP221
TP209
TP196
TP74 TP116
TP96TP87
TP91
TP101
TP110
R68
100
R73
100
R64
100
TP81
TP92
TP83
AVDD3
AVDD3
RA18
10k
2
7
1
8
3
6
4
5
RA2
100
2
7
1
8
3
6
4
5
0V
RA14
33
2
7
1
8
3
6
4
5
RA13
33
2
7
1
8
3
6
4
5
RA16
33
2
7
1
8
3
6
4
5
RA15
33
2
7
1
8
3
6
4
5
RA11
33
2
7
1
8
3
6
4
5
RA10
33
2
7
1
8
3
6
4
5
RA9
33
2
7
1
8
3
6
4
5
RA8
33
2
7
1
8
3
6
4
5
1-5A
CDCC_REQN
VDD3
OT1
RA5
0
2
7
1
8
3
6
4
5
R93
0
C123
C101
C146
C101
C145
C101
C144
C101
C143
C101
TP109
TP90
U7
CDCC-GA
RSTN/SIN
21
INTN
24
REQN/SOUT
22
CLK/SCK
25
DATA
23
AMC
13
SMC
20
VDD51
1
VDD57
7
VDD516
16
GND26
26
VDD3
30
GND15
15
ACKN
6
BUSY
5
PE
4
SELECT
3
FLTN
28
AFN
2
SELINN
29
INITN
27
STBN
17
D0
18
D1
19
D2
14
D3
12
D4
11
D5
10
D6
9
D7
8
0V
VDD3
CN15
0810-1X1T-03
1
TCT
2
TD+
3
TD-
4
RD+
5
RD-
6
RCT
7
LED1_C
8
LED1_A
9
LED2
10
LED3
11
FG
12
FG
NC
NC
NC
NC
HY57V281620HCT-H
U14
CS
19
RAS
18
CAS
17
WE
16
LDQM
15
UDQM
39
CLK
38
CKE
37
NC36
36
NC40
40
BA0
20
BA1
21
A0
23
A1
24
A2
25
A3
26
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A10/AP
22
A11
35
VDD1
1
VDDQ3
3
VDDQ9
9
VDD14
14
VDD27
27
VDDQ43
43
VDDQ49
49
VSSQ6
6
VSSQ12
12
VSS28
28
VSS41
41
VSSQ46
46
VSSQ52
52
VSS54
54
DQ0
2
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
VDD5
CDCC_GA
CDCC
SDRAM
FLASH for MAIN PROGRAM
MASK ROM
MASK ROM PIN
NC
64M
P2ROM
NC
NC
SANSEI/MXIC SANSEI
NC
TOSHIBA
A21A21
32M64M
non-page
A20
A19
13
WP/ACC
A19
Byte
64M
Vss
P2ROM
Mirror
36
A21
NC
16(14) NC
NC
32M 16M
PIN
FLASH PIN
NC
53(47)
A19
FUJITSU
NC
12
8M
RY/BY
Byte
17(15)
NC
OKI
RY/BY
DL
A20
A22
A19
MXIC
NC A21NC
NC
A19
RY/BY
WP/ACC
A19
11(9)
A19
NC
OKI
Byte
32M
NC
MXIC
15(13)
8M
A19
NC
Byte
RY/BY
PIN 128M
Vss
type
Byte
A20
Byte
11
Vss
A20
Vss
A19
32M
non-page
ACTIVE : YELLOW
LINK : GREEN
D
B
A
C
E
F
E
D
B
A
C
F
1
1234 6 7 8
234 5 67 8
5
Appendix 5. Main PCB Circuit Diagram, HL-2070N (2/3)
NAME
CODE
B512200CIR (2/3)

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Brother HL-2037 Specifications

General IconGeneral
BrandBrother
ModelHL-2037
CategoryPrinter
LanguageEnglish

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