Ricoh Aficio FX10 Service Manual page 79

DETAILED SECTION DESCRIPTIONS
PCBs
11. Jumpers, Switches, and Test Points
Item
CN40-1 Analog video signal
CN40-2 Scanner clock
CN40-3 Synchronization signal
CN40-4 COM1 ground
TB1 Switches the system backup battery ON/Off.
Note: Make sure to short these pins when you replace the FCU.
2.4.2. PSU
•
+24Vdc generation
•
Fusing lamp ac power supply and control.
F 1
A C L
AC Input
A C L
Surge
Protection Protection
G N D
Fusing Lamp Output
H T L
H T N
Main
F 2
Switch
Surge
PSU
Phase
Control
Description
Switching
Circuit
2-50
June 10th, 1997
+24V
Interlock
C O M 3
Switch
+ 2 4 V D
1 H T O R O N
1 H T O N
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