Brother HL 5030 - B/W Laser Printer Service Manual page 253

APPENDIX
Appendix 2. Main PCB Circuit Diagram, HL-5030/5040/5050 (2/3)
1 2
A
VDD3
RA7
10k
U5
TP1030
230
INITN CDCCINITN CDCCACKN
5C TP1029
229
SEINN CDCCSINN CDCCBUSY
TP1028
5C 228
HBUSY CDCCHBUSY CDCCPEN
TP1008
5C 227
STBN CDCCSTBN CDCCSLCT
5C
CDCCFLTN
B TP1020
240
CDCC_D[0]
CDCC_D0
TP1021
239
CDCC_D[1]
CDCC_D1 CDCC_DIR
TP1022
238
CDCC_D[2]
CDCC_D2 VSCANCLK
TP1023
235
CDCC_D[3]
CDCC_D3
TP1024
CDCC_D[4] 234
CDCC_D4
TP1025
CDCC_D[5] 233
CDCC_D5 EESCL
TP1026
CDCC_D[6] 232
CDCC_D6 EESDA
TP1027
CDCC_D[7] 231
CDCC_D7
CDCC_D[7-0]
3A
199
DBRXD DBRXD DBTXD
1E
201
PHRXD PHRXD PHTXD
2F
USB_HSDP
C
USB_HSDM
USB_FSDP
195
USBVCC USBVCC USB_FSDM
3C
C49 TP718
R69 226
UCKOUT
1
680
C270 USBRPU
R67
X1
1M USBEXT12
C48
223
2
0V UCKIN
AT-49 12.00MHz
C270
TP719 VENBN0
C73
R73 80
VCKOUT VDON0
1
100
C100
VENBN1/IO
X3
VDON1/IO
C64
82
2
0V VCKIN VCALN0/IO
0 AT-49 33.333333MHZ
VCALN1/IO
VLDHARF/IO
D
101
BDN VBDN
6E
ENGRSTN
254
VDD3 ENGDI ENGDI ENGDO
3D
R89 217
10k TP53
REV0 LED0/PNLRST
218
10k TP18
R54
REV1 LED1/PNLCLK
TP54 219
R59 10k
REV2 LED2/PNLDO
10k TP55 251
R82
REV3 LED3
10k 252
R84 TP56
REV4 LED4
107
R64 10k TP57
REV5 PNLSW0/PNLDI
PNLSW1
208
HSRXD/IO HSTXD/IO
210
0V 0V HSCTS/IO HSRTS/IO
E
Aurora
VDD3
CN2
R7
10k
TP1004
1
DBRXD RXD
DEBUG
2C TP1005
2
DBTXD TXD
3C
VDD3
R20
10k CN1
TP1006
1
PHTXD TXD
TP1007
3C
2
PHRXD RXD
2C
F
CN10
1
VDD5 VDD5
CN10 5V POWER
2
0V 0V
1 2
3 4
L PC Printer
H Printer PC
U8
48
CDCC_DIR DIR
3B 1
CDCC_HD HD
3B 34
GND
0V
CDCC_D[7-0]
1C
CDCC_D[0] 8
A1
CDCC_D[1] 9
A2
CDCC_D[2] 11
A3
CDCC_D[3] 12
A4
CDCC_D[4] 13
A5
14
CDCC_D[5]
A6
16
CDCC_D[6]
A7
17
CDCC_D[7]
A8
245 TP1015 2
A9
244 3
TP1016
A10
243 TP1017 4
A11
242 5
TP1018
A12
241 6
TP1019
A13
246 29
CDCC_DIR INITN_IN C14
C31
250 3A 6B 28
C103
CDCC_HD SELINN_IN C15
3A VDD3 6B 27
R30 U2 HBUSY_IN C16
6B
VDD3 8 4 26
4.7k VCC VSS 0V STBN_IN C17
TP58 TP67
6B
203 6 1
R32 100
SCL A0
TP59
TP68
202 5 19
R31 100 2
SDA A1 PLHIN
24
7 3
TEST A2 HLH
TP999
BR24C04F 74LVX161284
0V
0V
198
DBTXD
1F 0V
USB
200
PHTXD
CN4
2F
UBR23-4K5200
TP1010
R24
USBVCC
1
2C 1M VCC
L20
187
1 4 3
+DATA
188
2 3 2
-DATA
4
GND
0V
TP1011
190 R28
39
TP1012 5
191 FG
R27
39
6
IF_FG3 FG
TP1013
186 R25 1.5k
VDD3
TP1014
183 R26 12k
C20 C103
0V
102
ENBN0
109 6E
VDON0
104 6E
TP21
110
TP22
106
VDD3
TP23
105
TP24
103
TP25
VDD3
TP200
TP202
253
R104 1k
TP201 TP203
255
R100 100
TP204 TP205
R103
ENGDI
TP60
3 2D 100
LED0 VDD5
TP61
6 3E
LED1
TP62
3E
5
LED2
TP63
256 3E
LED3
TP64
2 3E
LED4 0V
4 3E
SW0
1 3E
SW1
3E
VDD3
PANEL
207
TP27
CN9
209 L15
TP28 MMZ1608Y601B
4
LED0/PNLRSTN
LED0
TP210
3D R109
5
SW0 SW0/PNLDI
3E 1k L16
MMZ1608Y601B
6
LED2 LED2/PNLDO
3D L17
MMZ1608Y601B
7
LED1 LED1/PNLCLK
3D L13
MMZ1608Y601B
2
LED3 LED3
3E TP211
R106
1
SW1 SW1
L14
3E 1k MMZ1608Y601B
3
LED4 LED4
3E
8
0V GND
9
VDD5 VDD5
B9B-PH-K-S
0V
VDD5
C102 C121
C1 C4 C36 C120 C56
C103 C103 C103 C103 C103 C103 C103
VDD3
3 4
5 6
18
VCC VDD3
7
VCC
31
VCC_CABLE
VDD5
42
VCC_CABLE
10
GND 0V
15 0V
GND
39
GND
D[7-0]
6C
41
D[0]
B1
40
D[1]
B2
38
D[2]
B3
37
D[3]
B4
36
D[4]
B5
35
D[5]
B6
33
D[6]
B7
32
D[7]
B8
47
Y9
46
Y10
45
Y11
44
Y12
43
Y13
TP118
R78
33
20 HBUSY_IN
TP119
A14 4B R81
33
21 SELINN_IN
TP120
A15 4B R85
33
22 INITN_IN
TP121
A16 4B
R99 33
STBN_IN
23
A17 4B
DA1 DA2
30
PLH TP998
25
HLHIN
DF5A6.8FU
DF5A6.8FU
0V
0V D[7-0]
6A
TP122
D[0] RA6
33
8
1
D[1]
2 7
D[2]
3 6
D[3]
4 5
D[4] RA5 33
1 8
D[5]
2 7
D[6]
INITN TP123 3 6
D[7]
2B
4 5
SEINN
2B
HBUSY DA3 DA4
2B
STBN
2B
DF5A6.8FU
0V
ENGINE
CN8
1
3.3V
5
RESET
3
TXD
4
RXD
6
5V
VDD3 VDD5
U1
2
0V
B6B-PH-K-S
R22
1
680 B
C14 TP233
C471 2
A
Q1
TP230 TP231
R21 C
TC7SH08FU
VDON0
B
3D 680
C3735 E
R14
680
0V
BDN
TP232
2D
R8
0
ENBN0
LED 1-8 PIN
3D
PANEL 4-9 PIN
BUZZER+LED 2-9 PIN
TP720 TP722
IF_FG
FG1
TP721 TP723
IF_FG2 IF_FG3
TP100
IF_FG3 FG8
TP724
FG2 0V
TP725
FG7
0V
FG8 0V
5 6
A-2
7 8
CN6
18
VDD5 +5V
16
0V
17
0V
19
0V
20
0V
21
0V
22 0V
U5
112 171
23 0V
PAD00 PRSTN TP536
113
24
0V PAD01
114 168
25
0V PAD02 PCLKOUT TP537
115
26
0V PAD03
116 169
27
0V PAD04 GACLKOUT TP538
118
28
0V PAD05
119 133
29
0V PAD06 PPAR
120
30
0V 0V PAD07
122 142
10 PAD08 PFRAMEN
ACK 123
PAD09
11
BUSY 126 141
PAD10 PIRDYN
12
PE 127
PAD11
13
SELECT 128 140
PAD12 PTRDYN
32
FLT
129
PAD13
130 138
14
ATFEED PAD14 PSOTPN
131
36
SELIN PAD15
144 139
31
INPRIM PAD16 PDEVSELN
145
1 STB
PAD17
146 135
PAD18 PPERRN
147
PAD19
ZD1 151 134
PAD20 PSERRN
UDZS6.8B
152
PAD21
153
PAD22
154
PAD23
156
PAD24
157
2
DI1 PAD25
158
3 DI2
PAD26
159
4
DI3 PAD27
160
5
DI4 PAD28
164
6
DI5 PAD29
165
7
DI6 PAD30
166
8
DI7 PAD31
9
DI8
121
15
NC NC PBEN0
132
33
NC NC PBEN1
143
34 NC
NC PBEN2
155
35
NC NC PBEN3
DF5A6.8FU
172 167
37 PREQN1 PGNTN1 TP539
IF_FG FG
38
IF_FG2 FG
173 170
PREQN2 PGNTN2 TP540
174
PINTAN
175
PINTBN
Aurora
VDD3
VDD3
5
VCC VDD5
C3 C6
R5 CN3
C103
3
C103
GND 0V 1k
4 L1 0
5
Y DATA1
4
0V GND
3
VDD5 +5V
TP234 TP235
R9
R6 1
BD
100
0 2
ENB1
0V
CODE LJ9325001
NAME B512159CIR (2/3)
7 8
A - 2
A
B
C
D
E
F