General Circuit Diagram; General Circuit Diagram (1/3) - Canon LBP351 Series Service Manual

General Circuit Diagram

General Circuit Diagram (1/3)

8
Front
USB
type A
F UN11
LCD Unit
28
1 2 3
J4 J3
GND
Micon Write
J99 +5V
+3.3V
GND
PANEL_CLK
E
UN4 PANEL_DOUT
PANEL_CS
Control Panel PCB
PANEL_AO
PANEL_RXO
PANEL_TXO
/RST_PANEL
GND
FT1
MT2
FG
D
C
SW103
Door Switch
B
A
7 6
SD
Card
8GB
1 2 3 4 5
1
J4 USB USB USB LAN
SD Card J2801
type A type A type B
USB Slot
Mini B
J200 J6 J106
J110 J2
UN3
JTAG ICE
Main Controller PCB
J139
Serial Debug
J1
Sub
CZ_4
J5 J13
Main
CZ_4
J7
J2802
J1400
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J201 J19
1 2
7 6 5 4 3 2 1 1 2
1 2
1 2
J804
1 2 3 4 5 6 7
UN8
Sleep Interface
PCB
J97
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
J30
J32
/DOOPENSNS
3.3VA
5VA
LED
GND
/SOFTSWSNS
UN2
DC Controller PCB
J95
5 4
UN6 UN5
Memory PCB SOFT-ID PCB
J2
UN7
J1 J1
Main
2 3 4
Switch
6 5 4 3 2 1 7 6 5 4 3 2 1
3 2 1
J128 J830
J16
GND
ECO_SDA
GND
GND
ECO_SCL
J807DH
GND J807D
1 2 3
+3.3V
3 2 1
3 4 5 6
J807L
3 4 5 6
J70M
3 4 5 6 J807
3 4 5 6
J70
1 2 3 4 5
J55
J810
J817D
6 5 4 3 2 1
J809 J817DH
GND GND
3.3VB 3.3VB
REMOTE24V REMOTE24V
3.3OVP 3.3OVP
UN1
/PWR_SAVE /PWR_SAVE
FSRD1 FSRD1 Power Supply
FSRD2 FSRD2
PCB
/ZEROX /ZEROX
/RLD /RLD
J808
NC
NC
GND
/SOFTSWSNS
J813
J812
J816D
GND
J816DH
5VA
5VBON
GND
5VA
5VBON
DVDCCK
DVDCPWM
DVACPWM
PRDCPWM
DVACCK
TNRSP1
TNRSP2
TRPCK
TRPWM
TRAD
PRDCCK
TRNCK
HVTCK
PRACPWM
PRACCK
178
3 2
100V
1
2
3
120V
J150
200V
UN10
GND
GND All-night
+3.3V_S
Power Supply
+3.3V_S
PCB
J855
2 1
3 2 1
J854
J851
2 1 2
UN9
AC Relay PCB
1 2 3 1 2
J853
J852
GND
Relay On
+3.3V
J811
HOT
NEUTRAL
J1
General Circuit Diagram
1
F
P1
1
2
3
E
MT1
M4
FG
J850
1
D
C
B
A