Brother HL-4050CDN - Page 311

Confidential
6-7
Engine PCB Circuit Diagram (1/5)
D
B
A
C
E
F
E
D
B
A
C
F
1 5
1 523 4 6 78
23 4 6 78
Main Controller I/F
Debug Serial
EEPROM
Main Controller I/F
Engine CPU
Main Controller Power
Debug Serial
EEPROM
3
System RESET
4
SC-82AB
12
Main Controller
System RESET
FG
4.7k
47k
Power Connector
cross
TMP92FD23AFG
Low voltage power supply
Power supply
Connection
+
+
0.5
ANALOG
0.3
ANALOG
0.3
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
0.3
ANALOG
ANALOG
0.3
ANALOG
0.3
ANALOG
ANALOG
0.5
ANALOG
ANALOG
cpu_rst_n
20MHz
ANALOG
0.3
10mA(min)
ANALOG
0.3
ANALOG
ANALOG
1E
vsync_n
5-5E
lt1_cas_sen
5-4D
reg_r_sen
2-8E
pnew_sen4
5E
boot_n
2-8C
pnew_sen2
5-2E
heat_thm1
1E
ctl_cmdrdy_n
3D
ctl_cmdreq_n
5-5F
lt1_reg_sen
2-2A
CRNS_intr1_n
7D
command
7D
ctl_stsreq_n
3C
status
2-8D
pnew_sen3
2-1C/5-6C
opc1_sen
5E
debug_rxd
5-5F
lt1_pe_sen
2-2A
CRNS_intr0_n
5-6E
hu1_sen
5-7D
dens_sen2
5-7D
dens_sen1
5-6E
th1_sen
5-5F
lt1_lift_sen
3D
debug_txd
2-8B
pnew_sen1
2-1F
ctl_bd0_n
2-1F
ctl_bd4_n
7E
ctl_rst_n_in
4-6F
el_current
5-2D
eject_sen
3-8E
frnt_cov_sen
5-2E
fuser_det
4-4B/4-4C/4-4E
motor_model
3-1B
fan_lock_n
2-2E
heat_on
2-1F
debug_log_txd
5-7C
th2_sen
5-2F
heat_thm2
5-5A
th3_sen
5-5D
rear_cov_sen
2-1C/5-5C
opc2_sen
2-1A
cpu_wr_n
3C
command
2-1B
cpu_a5
2-2A
cpu_d1
2-1B
cpu_a8
7D
ctl_cmdreq_n
2-1A
cpu_a0
2-2A
cpu_d0
2-1A
cpu_a4
2-1A
cpu_a2
1F
boot_n
2-1A
cpu_a3
2-6B
sen_led_on2
2-2A
cpu_d2
2-1B
cpu_a7
2-1A
CRNS_clk
2-1B
cpu_a6
2-1A
cpu_cs_n
3-1B
air_fan
2-2A
cpu_d3
5E
debug_txd
1F
ctl_stsreq_n
2-1A
cpu_rd_n
2-2B
cpu_d7
2-2B
cpu_d5
2-2B
cpu_d6
3D
debug_rxd
7D
vsync_n
7C
status
2-1A
cpu_a1
2-2A
cpu_d4
2-1A
CRNS_rst_n
3-1A
fuser_fan_low
7D
ctl_cmdrdy_n
3-1A
fuser_fan_high
4-1B/4-1E/5-1A
sen_led_on1
2-1B
cpu_a9
3C
ctl_rst_n_in
3-1C
ps_fan_low
3-1C
ps_fan_high
5-6A
sen_led_on3
3-1E
opc_fan
5-8B
dp_sda
5-8A
dp_scl
RA2
47
2
7
1
8
3
6
4
5
RA5
47
2
7
1
8
3
6
4
5
RA6
47
2
7
1
8
3
6
4
5
RA1
47
2
7
1
8
3
6
4
5
RA4
10k
27 18 36 45
RA3
10k
27 18 36 45
C70
C18P
C82
C104
C69
C104
C67
C104
C74
C101
C61
C101
C62
C101
C65
C101
C71
C101
C64
C102
C63
C101
C83
C104
C78
C104
C86
C104
C75
C22P
C234
C101
C233
C101
C229
C101
C59
C103
C68
C102
C57
C473
10%(B)
C236
C101
(For EMI)
C235
C101
(For EMI)
C232
C101
(For EMI)
C231
C101
(For EMI)
C230
C101
(For EMI)
C58
C101
C76
C105
(1608)
C55
C101
C228
C103
(1608)
50VDC
C66
C101
C2
C103
(1608)
50VDC
C219
C103
C1
C103
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+6.8V
+3.3V
+3.3V
+3.3V
+3.3V
+24V
+3.3V
+3.3V
+3.3V
+6.8V
+3.3V
+24V
+3.3V
+3.3V
+3.3V
+3.3V
R96
33
R128
47
R123
10k
R89
33
R91
47
R87
33
R103
47
R124
100
R141
47
R146
10k
R98
33
R88
33
R94
47
R122
47
R129
10k
R148
47
R132
4.7k
R109
33
R121 10k
R112
33
R93
47
R131
4.7k
R86
33
R119
47
R145
10k
R114
1M
R113
1k
R135
10k
R136
10k
R138
10k
R344
33
R341
33
R120
10k
R339
33
R340
10k
R101
10k
R90
10k
R84
33
R95
1k
(For ESD)
R335
0
(1608)
R333
0
(1608)
R14
0
(1608)
R11
0
(1608)
R151
0
(1608)
R127
10k
R343
47k
R342
47k
R102
47k
R154
47k
R153
47k
R150
47k
R126
4.7k
R105
10k
R106
10k
R147
10k
R142
10k
R92
47
R104
47k
R118
47k
R100
100
R10
0
(1608)
R6
0
R149
47k
R117
10
U8
TMP92FY23FG
X1
75
X2
73
P00/D0
23
P01/D1
24
P02/D2
25
P03/D3
26
P04/D4
27
P05/D5
28
P06/D6
29
P07/D7
30
P10/D8
31
P11/D9
32
P12/D10
33
P13/D11
34
P14/D12
35
P15/D13
36
P16/D14
37
P17/D15
38
P40/A0
42
P41/A1
43
P42/A2
44
P43/A3
45
P44/A4
46
P45/A5
47
P46/A6
48
P47/A7
49
P50/A8
50
P51/A9
51
P52/A10
52
P53/A11
53
P54/A12
54
P55/A13
55
P56/A14
56
P57/A15
57
P60/A16
58
P61/A17
59
P62/A18
60
P63/A19
61
P64/A20
62
P65/A21
63
P66/A22
64
P67/A23
65
P70/RD
82
P71/SRWR
83
P72/SRLLB
84
P73/SRLUB
85
P74/INT0
21
P76/XT1
80
P77/XT2
79
P80/CS0/TA1OUT(BOOT)
66
P81/CS1/TA3OUT
67
P82/CS2
68
P83/CS3/WAIT/TA5OUT
69
DVCC22
22
DVCC41
41
DVCC76
76
DVCC81
81
DVSS20
20
DVSS39
39
DVSS74
74
DVSS88
88
AVCC/VREFH
2
AVSS/VREFL
1
RESET
77
AM0
78
AM1
72
NMI
40
PC0/TA0IN
3
PC1/INT1
4
PC2/INT2
5
PC3/INT3
6
PD0/TB0OUT0/INT4
19
PD1/TB1IN0/INT5
70
PD2/TB1IN1/INT6/TXD2
71
PD3/TB1OUT0/RXD2/INT7
86
PD4/TB1OUT1/SCLK2/CTS2
87
PF0/TXD0
7
PF1/RXD0
8
PF2/SCLK0/CTS0/CLK
9
PF3/TXD1
10
PF4/RXD1
11
PF5/SCLK1/CTS1
12
PG0/AN0/KI0
100
PG1/AN1/KI1
99
PG2/AN2/KI2
98
PG3/AN3/KI3
97
PG4/AN4/KI4
96
PG5/AN5/KI5
95
PG6/AN6/KI6
94
PG7/AN7/KI7
93
PL0/AN8
92
PL1/AN9
91
PL2/AN10
90
PL3/AN11/ADTRG
89
PN0/SCK0
13
PN1/SO0/SDA0
14
PN2/SI0/SCL0
15
PN3/SCK1
18
PN4/SO1/SDA1
16
PN5/SI1/SCL1
17
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND SGND
SGND
SGND
SGND
SGND
FG5
FG4
FG1
SGND
SGND
FG3
SGND
FG2
SGND
SGND
PGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
PGND
FG4
PGND
FG3
FG2
FG5
FG4
PGND
PGND PGND
PGND
PGND
PGND
PGND
PGND
TP4
TP3
TP1
TP2
TP5
TP11
TP10
TP9
TP22
TP23
TP24
TP33
TP38
TP37
TP29
TP30
TP31
TP32
TP34
TP35
TP12
TP13
TP14
TP15
TP17
TP18
TP19
TP6
TP7
TP25
TP27
TP28
TP26
TP44
TP43
TP40
TP41
TP39
TP118
TP114 TP117
TP116
TP115
TP99
TP97
TP100
TP101
TP104
TP105
TP103
TP106
TP107
TP108
TP109
TP110
TP111
TP112
TP113
TP119
TP290
TP350
B10B-CZHK-B-1(LF)(V)
1
E_RSTn
5
STSREQn
6
COMMAND
3
RXD
4
BOOT_N
2
CMDRDYn
3
CMDREQn
4
VSYNCn
7
STATUS
9
BD1n
CN28
CTL I/F
10
BD0n
2
TXD
B6B-PH-K-R(LF)(SN)
6
LOG_TXD
CN18
DEBUG
1
+3.3V
4
+6.8V
8
+3.3V
S10B-PASK-2(LF)(SN)
1
+24V
9
+3.3V
CN23
CTL_Power
10
+3.3V
3
+6.8V
8
GND
5
SGND
6
SGND
7
SGND
2
PGND
U7
S-80928CLNB-G6YT2G
(CMOS output)
VDD
2
CD
3
VSS
1
OUT
4
U9
BR24L04F-WE2
7
TEST
3
A2
2
A1
1
A0
4
VSS
5
SDA
8
VCC
6
SCL
5
GND
4
24VRET
5
24VRET
CN5
LVPS2
6
24VRET
10
SGND
9
SGND
8
SGND
7
SGND
4
SGND
6
SGND
5
SGND
C221
C100
EEE1AA101SP
10V
( 6.3)
C4
C100
EEE1AA101SP
10V
( 6.3)
Q2
DTC143ZE
(1608)
C
B
E
3
+24V
2
+24V
S06B-PASK-2(LF)(SN)
1
+24V
S15B-PASK-2(LF)(SN)
1
HEAT_ON_n
X1
SMD-49 10.00000MHZ
1
2
2
+6.8V
3
+6.8V
CN6
LVPS1
15
+3.3V
11
+3.3V
14
+3.3V
12
+3.3V
13
+3.3V
OT7
OT6 OT5
OT2
OT3
OT8
OT4
OT1
C500
C103
SGND
C501
C103
SGND
FG1
OT500
PGND
+3.3V
C502
C103
SGND
SGND
C510
C101
(For EMI)
+3.3V
NAME
CODE
CIR B512250 (1/5)
LM9474-001