Main Pcb Circuit Diagram, Hl-2070N (1/3 - Brother HL-2030 Service Manual

APPENDIX
Appendix 4. Main PCB Circuit Diagram, HL-2070N (1/3)
1
A
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
B
DATA[15-0]
2-1E/2-4F
RESET IC
VDD3
C56
C64
C103
C473
U5
10%(B) 5 2
CD VCC 2-5D/3-1B
4
TP69 NC
TP76
R55
3 1
0V GND VOUT
1k
S-80928ALMP-DAR
C65
C
TP227
ACTIVE=H R158
LAN_INT
2-1B
68
66.6666MHz
or
R9
16.6666MHz
XTAL
1k
C15 1
C22P
X1
AT-49 16.6666MHZ C16
C22P 2
0V
C3
L1
0V
(1608)
C103
R19 0
D
R21 0
0V
DBRXD
5F
PHRXD
6F
C79
R74
100
1
C10P
33.3333MHz
XTAL X3
AT-49 33.333333MHZ C91 2
0V
0
VBDN
3D
E
PNLSW0
3-2F
C18
R12
100
1
C5P
48.00MHz
X2
XTAL
C17 2
0V
AT-49 48.00MHZ
C5P
USBVCC
F HTLIMITN
3-1A
TNRLED
1
2 3
VDD3
U6
TP171 TP150
30 2
ADR[1]
DATA0 ADR1
TP179 TP223
31 3
ADR[2]
DATA1 ADR2
TP175 TP208
32 4 ADR[3]
DATA2 ADR3
TP183 TP146
33 5
ADR[4]
DATA3 ADR4
TP170 TP145
34 6
ADR[5]
DATA4 ADR5
TP178 TP148
35 7 ADR[6]
DATA5
ADR6
TP174 TP149
36 8
ADR[7]
DATA6 ADR7
TP182 TP151
37 9
ADR[8]
DATA7 ADR8
TP169 TP152
38 10
ADR[9]
DATA8 ADR9
TP176 TP153
39 11
ADR[10]
EJECT SENSOR
DATA9 ADR10
TP173 TP206
40 12
ADR[11]
DATA10 ADR11
TP181 TP154
41 16 ADR[12]
DATA11 ADR12
TP168 TP195
42 17
ADR[13]
DATA12 ADR13
TP177 TP112
43 18 ADR[14]
DATA13 ADR14/BA0
TP172 TP134
44
19 ADR[15]
DATA14 ADR15/BA1
TP180 TP138
45 20
ADR[16]
DATA15 ADR16/RASN
TP125
21 ADR[17]
ADR17/CASN
TP166
22
ADR[18]
ADR18/WEN
TP162
23 ADR[19]
ADR19/DQM0
TP158
24 ADR[20]
ADR20/DQM1
TP113
25
ADR[21]
ADR21
TP118
26 ADR[22]
ADR22
TP114
27 ADR[23]
ADR23
ADR[23-1]
2-1D/2-4F/2-4D
0V
RSTN
R157
VDD3
TP105
TP77 10k
193 207
RSTN LANRST LAN_RST
203 2-1B
RESET=H
MDMRSTN TP95
C101
TP123
211
ROMCSN0 ROMCSN0
0V
210 2-5C/2-7D
TP108
ROMCSN1
TP98 TP106 TP97
205 206 R72 33
EXINTN0 EXCSN0 LAN_CSN
201 202 2-1A
EXINTN1 EXCSN1 TP88
VDD3
204
EXCSN2 0V
TP121
TP107 R76
209 33
IOWEN IOWEN
TP9
TP100 TP111
161 208 R75 2-1B/2-5C
33
SCKOUT IORDN IORDN EEPROM 32kbit
2-1B/2-5D/2-7D
TP5 TP3 U1
R3
129
R10 6
EESCL SCL VCC
3.3k
130 100
EESDA EESDA
4D
159
7
TEST
SCKIN
1
A0 VSS
TP17
166
2
SSCG0 A1
TP20
167
3
0V A2 SDA
SSCG1
TP115
216
R81 33
BR24L32F-WE2
SDCLK0 SDCLK0
TP124
215 2-4D
R82 33
SDCSN0 SDCSN0
214 213 2-4D
VDD3 TP117
SDBKUPN SDCKE
TP37 TP48
131 132
DBRXD DBTXD DBTXD
TP13
5F R5
PullU
VBDN
5Vtol
186 187 1E 0
PHRXD PHTXD PHTXD
5F VDD3
PullU
TP103
58
VCKOUT R16
680
114
R78
VDON
3.3k
56 117
VCKIN VENBN
R15
10k
VDD3
TP11
118 119 R14
VBDN VSH
68k
R13
74 C9 C7
4.7k
PNLLED0/PNLRSTN PNLLED0 C104
C101
75 3-2F
PNLLED1/PNLCLK PNLLED1
0V
76 3-2F 0V
PNLLED2/PNLDO
PNLLED2
77 3-2F
RST:H PNLLED3 PNLLED3
73 3-2F
TP42 R32
PNLSW0/PNLDIN
5Vtol USBVCC
2F
TP10
TP49
155
UCKOUT C42
C101
C43
R34
172 C101
R11
USBCTL
1.5k
4.7k
0V
0V
TP31
157 170 R25
UCKIN USBDP
27
TP21
169 R23
UDBDN
173 27
USBVCC
C36
3E C38
R33
C68P C68P
100k
DA1
0V
54 52
HTLIMITN HEATERON
HEATERON
53 3-1A
RLYOFFN RLYOFFN 0V
3-1A
71 51
TNRLED FAN12V FAN12V
3-3B 50 3-5F
FAN24V FAN24V
3-5F
MB87S1200
2 3
4 5
If=(3.3V-1.2V)/180
=11.7mA
P=(11.7mA)^2*180
=1/41W
VDD3 VDD3
U6 TP61
70 185 R40
10k
FRONT_COVER_SEN SEN0 PORT00
3-2F 69 63
R116
R87
REG_REAR_SEN SEN1 PORT01 MAIN_START
180
3-2D 3-7C
33k 68
REG_FRONT_SEN SEN2
5Vtol TP64
3-2B 67 184 R47
10k
TP156 PEDG_SEN SEN3 PORT02
PI1
TP127 TP58
A 3-2B 49 183 @R43 10k
C
SEN4 PORT03
@R169 10k
Ic=3.3V/33k
=97 A
195
E
PORT04/CDCCRSTN CDCC_RSTN
PullD
K SG-206S 196 2-5A
PORT05/CDCCDATA CDCC_DATA
H:CLOSE
197 2-5B
L:OPEN
PullU PORT06/CDCCREQN CDCC_REQN
198 2-5B
0V
PORT07/CDCCINTN CDCC_INTN
2-5A
199
VDD3
PORT08/CDCCCLK
PullD CDCC_CLK
2-5B
R83 72
PNEW_SEN
REV0
TP126 10k
3-2F
64
MAIN_FGS REV1
3-8C
88 89
SCANNER_FGS SCANFGS SCANCTL
3-6C
3-4D
62 61
MAIN_FGS2 DCFGS DCCTL
3-8E 60 3-6C
5Vtol
DCFR
3-7C
66
SOL1
65 3-2E
SOL2
3-2E
TP70
86 84
GRIDC HVNOISE HVVCLN
TP82
3-2C
87
R41
HVPWMVCLN
TP54
85
R27
HVPWMDEV
TP63
81
R30
HVPWMTRCV
TP78
82
R38
HVPWMTRCC
TP73
83
R35
HVPWMCHG
180 179
HSRXD HSTXD
182 181
I/O
0V HSCTS HSRTS 0V
0V
I/O
5Vtol
146 150
NCU2ADLC TELVOLPWMR
149 151
NCU2POL TELVOLPWMS
148 178
NCU2DPS SPVOLPWM 0V
147
NCU2CHRG
153 I/O 177
NCUPLS NCURING TP44
PullD
176
NCURNG
5Vtol
152
NCUCI
175
TELOFF
8 145
VDD3
0V HOOK
VDD3
C5
C103
4 121 128
0V R2
VDD3
FSEN RMOTSEL TP28
4.7k
120
TP1
RSEN
TP2
R1
5 122
EESDA
RMOT1
100 2D
123
RMOT2
124
RMOT3
125
RMOT4
VDD3
I/O
126
R6 LD RMPT1
CN3
1k 102 127
0V AI8 RMPT2
0V
5
BD
103
4
VDD5 5V AI9
0V
C10
C103
2
GND
0V
TP14
R7
3 142
DATA
CISTG TP25
BLM18RK221SN1D
141
(1608) CISCLK TP46
6
ENB
90
PWMREFH TP50
1 91
LDHALF
PWMREFL TP41
IMSA-9615S-06A-PP-A
C8 C27
140
C102 C27P RDLED TP35
105 137
VDD3 VRH CISLEDR TP36
138
CISLEDG TP47
139
TP26
CISLEDB
1M
USB
R37
144
CISON TP45
22k
CN5 143
CISMODE TP34
1 136
PC5V
CISCLMP TP27
DEBUG
3 107
DP
0V VRL
5V
2
DN
GND
4
GND
0V
B2B-PH-K-PK
5
FG
6
FG
IF_FG
DBRXD
DF5A6.8FU
UBR24-4K2300
DBTXD
0V
B2B-PH-K-Y
106
0V VIN1
MB87S1200
PHTXD
PHRXD
B2B-PH-K-M
4 5
A-4
6 7
U6
110
TP19 RCKOUT
111
RVDD VDD1.9
VDD3
112
0V RCKIN
VDD3
109
VDD3
0V RTCRSTN
0V
L2 (1608)
163
SSCGVDD
0
C29
C103
164
TP245 SSCGVSS
L4 94
THM1 AI0
3-2B 0
ANALOG 95
AI1
TNR_SEN
3-2C 15
SCAN_CTL
VDDI15
ANALOG 96 48
FB_TR AI2 VDDI48
3-2C
59
MAIN_CTL
VDDI59
97 80
ANALOG
MAIN_F/R
FB_TRCCV AI3 VDDI80
3-2C 116
VDDI116
ANALOG 98 135
SOL1
FB_GRID AI4 VDDI135
3-2C 154
SOL2
VDDI154
ANALOG 99 174
FB_DEV AI5 VDDI174
3-2C 194
VDDI194
1 100
ANALOG
HVPWMTRCV
FB_VCLN AI6
3-2D
0
3-2C
HVPWMVCLN
3-2D TP246
5.6k L5 101
HVPWMDEV
SENSE AI7
3-2D
C69 C47 C24
1 3-5A/3-7A 0 1
HVPWMTRCC
VDDE1
3-2D
13
HVPWMCHG
VDDE13
0 3-2D
28
VDDE28
46
VDDE46
55
VDDE55
78
VDDE78
192 115
VPD VDDE115
133
VDDE133
165 158
TP22 TESPTN VDDE158
162
VDDE162
191 171
0V XTST VDDE171
200
VDDE200
190
VDD3
TSTDATA
NC
TP72
189
TSTMODEN
C82 C40 C28
14
PullU
0V
VSS14
29
VSS29
@SW1
47
VSS47
57
VSS57
79
VSS79
113
VSS113
134
VSS134
156
VSS156
160
VSS160
168
VSS168
188
VSS188
212
VSS212 0V
93
AVDD VDD3
C45
C103
92
AVSS 0V
104
AVDDH VDD3
C34
C103
108
AVSSH 0V
MB87S1200
D5 RB751V-40
TP230 TP4 Q6 TP228 SP1
3 2
VDD5 VDD3
IN OUT
GND 1
C186
LD1117S33TR
C185 C184 C100
C104 C104
10V 12V
0V 0V
@CN7 TP237
OT2
FG2
1
VDD5
2
0V
@CN2
1
DBRXD
1D
2
DBTXD
2D
@U4
5
VCC VDD3
@C49
@CN1
C103
1 1 3
0V
PHTXD B GND
2D
2 4
2
A Y PHRXD
1D
TC7SH08FU
6 7
8
A
VDD3
0V
VDD1.9
B
FG1
FG5
FG2
FG3
FG4
0V
C21 C83 C108
VDD3
TP236
R164
FG1
IF_FG4
0
TP184
R130
IF_FG4 IF_FG2
0
TP120
R80
C
IF_FG3 IF_FG
0
TP38
R29
FG5 IF_FG
0
TP243
R163
FG1 0V
0
0V TP147
R113
C26 C71 C110 C107
FG3 0V
0
TP24
R26
FG5 0V
0
D
E
D1
RB751V-40
U10
4 5
VDD3 VDD VOUT VDD1.9
1
C116
C119
CE
C122
C104 16V
3
C104
NC C10
(1608) 2
GND
0V
R1170H191B
F
CODE
NAME B512200CIR (1/3)
8
Confidential