2KN/2KP
2-3-1
2-3 Operation of the PWBs
2-3-1 AC power source PWB
Figure 2-3-1 AC power source PWB block diagram
NEUTRAL OUT
SDCPSPWB
LIVE OUT
NEUTRAL IN
NEUTRAL OUT
LIVE OUT
LIVE IN
LIVE OUT
Noise
filter
circuit
LIVE IN
NEUTRAL IN
Switching
regulator
circuit
Drawer
heater
control
circuit
Fuser
heater M
control
circuit
Fuser
heater S
control
circuit
Fuser
heater L
control
circuit
FH-M
DH1
DH2
DH3
FH-L
FH-S
MSW
FRCSW
NEUTRAL IN
LIVE IN
LIVE OUT
Noise
filter
circuit
Noise filter circuit
NEUTRAL OUT
24Vref
24V
P.GND
P.GND
Optional
document
finisher
DCPSPWB
ACPSPWB
DH REM
5VPD
FH-S REM
FH-M REM
FH-L REM
EPWB
DCPS
PWB
AC
input
Primary
Secondary
PC
PC
PC
PC
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......