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Block diagram
SMPS
LA TCH 574
EPRO M
27C256
V I D EO
CO N TR-
O LLER
BO A RD
DIAG NOSTI CBO A RD
FO R M AN UFACTURING
7-2
+5V
+24V
S W2
COV ER OPEN
AD0 ~
AD7
CPU
8BI T
6. 94407MHZ
X T A L
ADC
PWM
ADC
24PI N
S W1
Las er beam i s s hut t er ed mechani cal l y
MOTOR
HVPS
LSU
CLU TCH
FA N
M OTO R DRI V ER
1 A
THER M I STO R ( ADCI N)
REA D TRA N SFER V f
PA PER SEN SE
EX I T SEN SE
REG I . SEN SE
TRA N SFER N EG A TIV E
LSU INTERFACE
u - s w it ch
+5V
ENGINE
BOARD
PM MOTOR
7. 5
CLU TC H
TRI A C
( PWM)
CHA R G ER
DEV ELO PE
TON ER SUPPLY
BLA D E RO LL
TRA N SFER ( PWM)
+24V
LASER
BEAM
Samsung Electronics
FAN
FUSER
600 W
180¡
HV PS
LSU
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