Brother HL-4050CDN - Page 309

Confidential
6-5
Main PCB Circuit Diagram (5/6)
+
+
+
GND
(to ASHURA RTC)
Spec Vdiff=55mV(min)
FG
Vin
FAN1086DX
Engine I/F, Power supply, Reset IC, Panel I/F
(to ASHURA RTC)
to Panel Gate Array(PANEL9)
Vout
LD PCB:
VIDEO3
LD PCB:
VIDEO4
LD PCB:
VIDEO1
LD PCB:
VIDEO2
(TO Wireless LAN)
(TO USB HOST)
(TO CDCC,Panel,Super Cap.)
21
SC-82AB
*Main ASIC(RSTICN )
(Io(max)=50mA)
2
3
1
Reset time(td)=(3.8 6.4)*Cd(nF)
td(min)=3.8*42.3nF=161ms
td(max)=6.4*51.7nF=331ms
4
SC-82AB
3
(Io(max)=50mA)
System RESET
4
LVDS
VOUT=1.25V*(1+200/820)
=1.56V
GND
MM1665AT
VoutVin
Cap.
1608 1608
1608
1608
1608 1608
1005
06/10/13
+
+
+
+
+
D
B
A
C
E
F
E
D
B
A
C
F
1 5
1 5678432
678432
LVDS
LVDS
LVDS
LVDS
LVDS
19200bps
LVDS
LVDS
LVDS
300mA
0.7
0.5
19200bps
3.0A
0.5
800mA
1.5
500mA
1.0
500mA
1.0
2.0A
SGND
1-4C
PANEL_RESPONSE
C128
C101
1-3D
ENG_TOP_N
SGND
1-6C
PANEL_COMMAND
+3.3V
+3.3V
C73
C101
TP5
SGND
SGND
SGND
C27
C104
C5
C101
+5.0V
R218
820
1%(F)
SGND
C75
C101
(For EMI)
R220
1k
C86
C100
10CE101FS
10V
( 6.3)
1-5C
ENG_STSREQ_N
D5
1SS355
SGND
292161-5
1
+5V
CN11
PANEL
5
GND
SGND
SGND
1-5D
VIDEO2_N
C78
C101
(for EMI)
TP487
R94
0
(1608)
TP292
R10
47k
C176
C104
1-5D
VIDEO1_P
+5.0V
+5.0V
TP28
SGND
R5
33
(For EMI)
R11
47k
C31
C100
10CE101FS
10V
( 6.3)
1-5C
ENG_COMMAND
+6.8V
C4
C101
TP318
2
BD1n
TP16
TP347
C3
C101
(For EMI)
6
STSREQn
SGND
3
COMMAND
RTC3.3V
1-4C
ENG_CMDRDY_N
8
CMDREQn
4
STATUS
9
CMDRDYn
SGND
+3.3V
D3
RB751V-40
TP9
C122
C104
TP14
SGND
4
PCLK
U15
MM3031FU
VDD
2
CE
4
VOUT
3
GND
1
7
IREADYn
C123
C104
SGND
2
RESPONSE
SGND
FG4
+3.3V
R38
10k
C202
C104
FG1
TP463
R4
33
(For EMI)
+5.0V
1-5D
VIDEO0_N
R6
33
(For EMI)
C19
C104
+5.0V
SGND
R43
100
(For EMC)
SGND
SGND
R219
200
1%(F)
R35
100
+3.3V
+3.3V
1-5D
VIDEO0_P
1-5D
VIDEO3_P
1-6C
PANEL_CLK
C108
C104
TP485
R221
0
(1608)
TP13
1-3D
LASER_BD0_N
B10B-CZHK-B-1(LF)(V)
10
E_RSTn
R7
33
(For EMI)
U17
RQ5RW33BA-TR-F
VDD
2
CE
4
VOUT
3
GND
1
SGND
+3.3V
+1.5V
1-5D
VIDEO1_N
C117
C101
+3.3V
C121
C103
C6
C101
(For EMI)
1-4C
ENG_STATUS
C67
C103
C203
C104
SGND
C111
C100
10V
( 6.3)
10CE101FS
+3.3V
3
GND
1-5D
VIDEO3_N
C103
C104
SGND
FG3
SGND
+3.3V
C7
C101
(For EMI)
1-5D
VIDEO2_P
R12
10k
R3
0
(1608)
+1.5V
SGND
1-5C
ENG_RST_N
R37
100
(For EMC)
5
COMMAND
+3.3V
SGND
D4
RB751V-40
SGND
RTC1.5V
TP448
(FCT)
+5.0V
C116
C101
SGND
SGND
C190
C104
R44
10k
R88
0
(1608)
CN4
Engine
1
BD0n
SGND
SGND
SGND
1-4C
ENG_CMDREQ_N
1-3D
LASER_BD1_N
TP15
FG2
R36
10k
+6.8V
@C119
C104
@C16
C104
@D1
RB751V-40
SGND
+6.8V
@Q1
MM1665AT
(TO-252)
OUT
IN
GND
@C17
C100
10CE101FS
10V
( 6.3)
+5.0V_WLLAN
SGND
C120
C104
+5.0V_USBHOST+6.8V
C14
C104
SGND
C18
C100
10CE101FS
10V
( 6.3)
Q2
MM1665AT
(TO-252)
OUT
IN
GND
SGND
D2
RB751V-40
(Vour>Vin )
Q3
LD1117S50TR
(SOT-223)
OUT
IN
GND
TP451
(FCT)
TP412
(FCT)
TP430
(FCT)
TP38
(FCT)
TP36
(FCT)
TP49
(FCT)
TP29TP1
TP19TP7 TP37
C12
C100
10CE101FS
10V
( 6.3)
SGND
TP387
(FCT)
SGND
TP369
(FCT)
C197
C103
TP415
C101
C102
TP428
U20
S-80928CLNB-G6YT2G
(CMOS output)
VDD
2
CD
3
VSS
1
OUT
4
U16
S-80920CLNB-G6YT2G
(CMOS output)
VDD
2
CD
3
VSS
1
OUT
4
C186
C103
1-6B
RTC_RESET_N
3-1A/1-1A/1-6B
RESET_N
+3.3V
SGND
C89
C473
10%(B)
R9
33
(For EMI)
R8
33
(For EMI)
C8
C101
(For EMI)
SGND
TP17
TP18
CN5
POWER
1
+3.3V
2
+3.3V
3
+3.3V
4
SGND
5
SGND
6
SGND
B07B-PASK-1(LF)(SN)
7
+6.8V
6
VIDEO1_P
4
GND
12
VIDEO3_P
8
VIDEO2_N
5
VIDEO1_N
15FMN-BMTTN-A-TF(LF)
15
E2P_SCL
CN1
LVDS
1
GND
11
VIDEO3_N
3
VIDEO0_P
2
VIDEO0_N
13
GND
10
GND
9
VIDEO2_P
7
GND
14
E2P_SDA
+3.3V
1-3C
LD_EEROM_CLK
R93
100
(For EMC)
1-3C
LD_EEROM_DATA
+3.3V
SGND
C11
C101
(for EMI)
R92
100
(For EMC)
TP21
R96
4.7k
TP22
C10
C22P
(for EMI)
R97
10k
SGND
C115
C104
R87
4.7
SGND
+3.3V
R1
4.7
SGND
C1
C104
+5.0V
R2
4.7
C2
C104
SGND
+5.0V
C80
C104
R45
4.7
+5.0V
SGND
C114
C104
R83
4.7
+5.0V
SGND
C29
C104
SGND
+3.3V
SGND
+3.3V
C113
C104
R62
4.7
SGND
+3.3V
C98
C104
C41
C104
+3.3V
R20
4.7
SGND
C13
C104
SGND
+3.3V
R13
4.7
TP4 TP3 TP354 TP479
TP484 TP436 TP136 TP20
TP491
TP492
TP493
TP494
TP495
TP496
TP497
TP498
TP499
TP500
R233
1k
C104
C0.22F
EM0H224Z
5.5V
Q4
FAN1086DX
(TO-252)
OUT
IN
ADJ
C217
C105
C218
C105
@C219
C105
@C220
C105
C221
C105
C222
C105
C223
C100
10CE101FS
10V
SGND
C206
C106
R234
47k
SGND
NAME
CODE
CIR B512246 (5/6)
LM9444-001