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

APPENDIX
Appendix 6. Main PCB Circuit Diagram, HL-2070N (3/3)
1
RELAYOFF (FX OPTION)
RLYOFFN
H: RELAY ON
1-2F
L: RELAY OFF
HEATERON
HEATERON
H: HEATER ON
1-2F
L: HEATER OFF
TP165
HTLIMITN
1-2F
A C151
C104
10%
0V
VDD5
U13 8
V+
C147
C103
V-
LM393P 4
0V
1SS355
RSTN
1-2C/2-5D
THM
R103
CN9
18k
L7 (1608)
B
1
VDD3 VDD3
0
ANALOG
2
CENTER_THM
0V
ANALOG
3
EDGE_THM
4
VDD3 VDD3
C135 C134 R104
C101
C101 18k
0V 0V
C
D
CONTACT
HVPS
MAIN PCB
GEAR
E
F
1
2 3
L6
C163
C102
0V
TP164
C154
TP155
R123
TP119 TP133 0V
470k
VDD3 R121
VDD24
22k
1%(F)
R119 TP67 TP239
1.5k 24RET
U13
1%(F) TP159 R122
C158
1k TP160 TP56
+
3 C103
1 0V
R117 -
2 LM393P
18k
10V 12V
1%(F) VDD3
C220
VDD5
0V
U13
R120 Q3
TP167
10k 4.7k C
+
TP161 5
7
B TNRLED
- 1-2F
6 LM393P
TP132 E
C159
R118
47k
10k C102
R94 DTC143ZUA
D3
0
0V
0V
VDD3
TP140
R102
R125 R127
THM1
10k 1-6B 68k 68k
TP99
C126
R124 100
REG_FRONT_SEN
C103
TP102
1-4A
R95 R126 100
PEDG_SEN
1%(F) 0
0V 1-4A
C161 C160
C193
C102 C102 C101
TP141
R105
10k
0V 0V
C127
C103 R69 100
1%(F)
C80
C102
0V
VDD24
U3
C104
0V
TP12
R70
- 2
FB_VCLN
1 24RET
1-6B
0 +
LM324P 3
ANALOG
R65
100
C75
C102
U3
TP33
0V
- 6
FB_DEV ANALOG
7
1-6B
R66 0 +
LM324P 5
VDD3
C114 C112
C102 C102
0V
R91
470k
TP59
R22
100
GRIDC
TP23
1-4B R20 100
ANALOG
FB_GRID
TP30
1-6B
R18 100 ANALOG
FB_TRCCV
TP29
1-6B
R17 100 ANALOG
FB_TR
TP39
1-6B R24
10k
TNR_SEN
1-6B
C37 C30 C32 C33 C35
C102
0V
C102 C102
C102 C102
HVPWMVCLN
1-6C
HVPWMDEV
1-6C
HVPWMCHG
1-6C
HVPWMTRCC
1-6C
HVPWMTRCV
1-6B
VDD3
0V
C118 C117 C115 C113
R90 C101 C101
C101 C101
68k
TP94
R58
100
REG_REAR_SEN
1-4A
VDD24
C67
C102
0V
D4
1SS355
(32V, 0.8A)
hfe=120 390 0.5
Q2
TP143 TP144
R110 820 C
SOL1 D1781K
B
1-5B 1.0
3.3mA
R109 E
10k
24RET
24RET
SOLENOID CONTROL D2
H: ON 1SS355
0V
L: OFF
0.5
Q1
TP136 TP142
R101 820 C
SOL2
B D1781K C125 0V
1-5B 3.3mA
C102
R97 E
10k C103
24RET VDD3
24RET
0V
TP80
L8
R48 150 0
PNLLED3
TP71
1-2E L9
0
R44 150
PNLLED2
TP60
1-2E L10
R39 150 0
PNLLED1
TP53
1-2E L11
R36 150 0
PNLLED0
1-2E
R50 1k
VDD3
TP68
R45
PNLSW0
1-1E
1k
C52 C76 C61
C101
C101 C101
0V
C68
C73
C101 C101
VDD3
R28
R31
2.2k
4.7k
TP86
R46 100
PNEW_SEN
TP89
1-4B R53
100
FRONT_COVER_SEN
1-4A C55 C60
C195
C102 C196
C102
C101
C101
0V
0V
2 3
4 5
LVPS
CN12
1 (3225)
RELAYOFFN 1/4W
R112
VDD24 24RET
4.7k
0V
7
HEATERONN R111
C167
C13 C149 C190
4.7k
C102
R108 24RET
C103
C103
4.7k
6 C103
+24V C103
C157 R128
C104
(1608) 4.7k
5
24RET
9
S0V
CN4 SCANNER MOTOR DRIVER
C31
15
SENSE SENSE
8
+5V 1-6C/7A
14
HU+
13
4 HU-
TNRLED
12
HV+
C2
11
HV- C103
10
0V HW+
9
HW-
8
VCC5
VDD5
C4
3
FRONT_SEN
C103
7
GND
2 0V
PEDG_SEN
TP6
C194
6
B9B-PH-K-S(LF) COILU SCANNER_UOUT
C101 C53
6D
5
COILU C103
TP7
4
COILV SCANNER_VOUT
6D
3
COILV
TP40
HVPS
2
COILW
SCANNER_WOUT
6D
CN8
1
COILW
18
VCC24
9615S-15A-PP-A
C104
17
24RET
C54
C103
16
FB_VCLN
0V
12
FB_DEV
0V
R88
1k
15
GRIDC
R4
14
FB_GRID
0
9
FB_TRCCV
TP85 C78 TP32
8
FB_TR
R8
3
TNR_SEN C102
0
FGINN
U3
6C
TP51 TP65 9 - 0 3.5V
R67 R63
8
SCAN_CTL +
10
1-5B LM324P
100k 100k
19 1%(F) 1%(F) R52
PWM_VCLN R167 1.3k
750
VDD5
13
PWM_DEV C70
TP43
R168
C102 3k
11
PWM_CHG 0V
0V
10
PWM_TRCC
Ts=2ms R57
7
/TRCV
10k 0V
cutoff freq=1.6kHz
1%(F)
0V
C88
C101
VDD5
U3 4
6 V+
REG_REAR_SEN
C48
C103
V-
LM324P 11
0V
TP66
120mA
5
T1_SOL
C101
C136
C102
400mA VDD24
4
REG_SOL
0.4
2
S0V
C138
D6
1
VCC3.3V 1SS355
IMSA-9615S-19A-PP-A
0.4
PANEL
CN6
Q4
R161
2 D1781K
PNLLED3
1k C
3 FAN24V
PNLLED2 B
1-2F
E
TP238 TP241
4
PNLLED1 R165
10k
5
PNLLED0 ZD2
BZX85-C11
24RET (PITCH=15)
0V
8 Q5
PNLSW0
R162 D1781K C
0.4
1k
FAN12V
B
1-2F
E
TP240 TP242
R166
10k
24RET
0V
6
PNEW_SEN
7
F_COVER_SEN
1
0V GND
9615S-08A-PP-A
4 5
A-6
6 7
VDD3
C1 C46 C192 C175 C162 C165
C156 C121 C142 C148 C166 C153 C95
0V
C103 C103 C103
C103 C103
C103 C103
C103 C103 C103
C103 C103 C103
MAIN MOTOR DRIVER
CN10
1
SENSE SENSE
U2
28 22 1-6C/5A
2
UIN-P VCC VDD5 HU+
1 8
3 RA3
HU-
2 7
1k
4
HV+
3 6
C14
5
HV-
C104
4 5
1
6 R106 1k
UIN-N HW+
7
R107 1k
7
SGND 0V HW-
L12
(1608)
8
GND 0V
0
C137
2 L13 C103
9 (1608)
VIN-P VCC3 VDD3
0
21
Vpwr VDD24
TP137 TP248
10
U MAIN_UOUT
8D
11
U
TP128 TP249
C19
3
12
VIN-N V MAIN_VOUT
C104
8D
(1608) 13
V
TP131 TP250
12
14
W
MGND 24RET MAIN_WOUT
8D
15
W
4
WIN-P 16
FG+ FG+
7E
17
C20 FG- FG-
26
7E
FGO FGINN
5D IMSA-9615-17A
C102
5
WIN-N
27
FGS SCANNER_FGS MAIN_START
1-4B
6
F/R
29
TP139 C133
FGND29 MAIN_F/R
C12 TP18 C102
23 30
PWM FGND30
FG4 TP135
R98 R99
C221 MAIN_CTL
1-5B 56k 56k
1%(F)
1%(F)
TP8
24
FGIN-P C128
11
C102 R96
C11
NC11 TP52
750
C103 13 0V
NC13 TP55
TP15
25 16
FGIN-N NC16 TP16
Ts=830us
cutoff freq=2.8kHz
R100
10k
20
CTL
0V
17 1.0
1%(F)
UOUT SCANNER_UOUT
5B
TP247
19
LIM
1%(F) 0V
15
1.0
VOUT SCANNER_VOUT
18 5B
FC
C6
VDD24
C103
9 14 1.0
RS WOUT SCANNER_WOUT
5B
10 8
GSENSE RF
LB11886NH Iout=VRF/Rf
1.0
R49
4.7k
C57
R59
0.47
1W
0V
(PITCH=12.5)
24RET
C77
TP84
R62
FG-
7C
3.3k
C104
CN14 1%(F)
VDD3
1
24V
FAN
R56
10k
TP79
1%(F)
2
FAN FG+
7B
B2B-PH-K-S(LF) C59
C104
TP244
0V
C188
FAN CNTROL
C102
(1608)
FAN HALF FAN FULL
24RET
0V 0V OFF
+3.3V 0V 50%
+3.3V 100%
6 7
8
VDD5
0V
A
U9
22 5
IN1+ VCC VDD24
C85
C98
35V
C130
C104
C330
C103
21 3
IN1- GND2 24RET
24
IN2+
C131
C103
23 8
B
IN2- LVS VDD5
C101
26 7
IN3+ VREG C104
C102
C132
C103 C104
25 20
IN3- GND1 0V
C100
9
0V FGFIL
C103
15 12 R84
S/S FG MAIN_FGS
1-5A 0 1-4B
27 13
F/R RD NC
1-5B
C
16 11
EI+ CSD 0V
+
-
C99
17 10
EI- FC 0V
C104
18
TOC
28
OUT1
1%(F)
VDD24
C129
19 1
PWM OUT2
C222
2.0
2
MAIN_UOUT
OUT3
7B
14
PWMIN
2.0
MAIN_VOUT
7B
R89
51 2.0
4
MAIN_WOUT D
VD
7B
R77
0.33 6
VM
2.0
2W
LB11693
2%(G)
=0.5/.33
=1.67A
R60
150k
1%(F)
TP57 C66
C471
E
U3
TP75
13 -
MAIN_FGS2
14
+ 1-4B
12
LM324P
R51
10k
1%(F)
F
CODE
NAME B512200CIR (3/3)
8
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