High Voltage Board - Kyocera Mita Ecosys FS-1010 Service Manual

(5) High voltage board

The high voltage board contains the high voltage output circuit, interlock switch circuit as well as
providing a liaison connection with the power supply board, bias board, and the engine board.
Engine board
Bias board
Figure 4-3-10 High voltage board circuit block diagram
FS-1010
Control
and
MHVDR
driver
circuit
THVDR,
RTHVDR
Control
PSEL1,
and
PSEL2
driver
HVISEL circuit
+24V2
+5V
High voltage board
High voltage output circuit
Transfer bias
output
positive voltage
circuit
Interlock switch
4-28
Main
charger
Transfer
roller
Power supply board
+24V2
+24V1
FAN,
HEATN, SLEEP
ZCROSS,
THERM, EXITN
+5V