Engine Board; Eraser Lamp Control Circuit - Kyocera KM-1500 Service Manual

2DC

2-3-2 Engine board

Main board
(KP-5060)
Laser scanner unit
Cassette
switch
Regist-
ration
sensor
Paper
sensor
Bias board
(KP-5067)
+24V2
FET
+24V3
2-3-2
RSTIN
PLGCLK
+24V3
Reset IC
U3
PLGDRN
PLGRDYN
FAN1
FAN2
Heater lamp
control circuit
MHVDR, THVDR, RTHDR, HVISEL, HVCLK
+24V2
+24V3
+5V
Waste
toner
sensor
Toner sensor
+24V2
Interlock
High voltage
switch
output circuit
High voltage board
Figure 2-3-2 Engine board circuit block diagram
Engine board (KP-5061)
ISUMOTA, ISUMOTNA
ISUMOTB, ISUMMOTONB
LAMP , LAMPHI, LAMPLOW
HPSWN
RSTN
CPU
U1
PFSEN, PFPFPER, PFCLK
MRDYN
SWIN
RESIT
EEDIO
PAPERN
EESCK
THERMA
HEATN
ZCROSS
EXITN
HANDSN
SLEEP
ERASER
TONER
TNFULL
5 V DC
output circuit
+24V1
24 V DC
output circuit
+24V2
Exit
sensor
Power supply board
Scanner
board
(KP-5063)
Scanner
home
position
sensor
Exposure
lamp
PFMDRN
MOTORN
Main
motor
EEPROM
U5
FEDDRN Registration clutch
RESDRN
MPFDRN
MP feed clutch
MP paper sensor
+24V3
Eraser
lamp
control
circuit
Cooling fan
Zero
AC input
cross
signal
detection
Triac
circuit
Thermistor
Scanner
motor
Optional
DP
CCD
board
Inverter
board
Feed clutch
Eraser
lamp
Heater
lamp