THEORY GUIDE Power Distribution
10DEC05
TG4825-1
Page
107 of 120
Power Distribution
Supply Description
INTERLOCK
SWITCH S8
The INTERLOCK SWITCH S8 controls RELAYS on the MSC BOARD,
which controls the 24 V DC power to the DC components, including
the MOTORS and SOLENOIDS. The INTERLOCK SWITCH
deactuates when the FRONT DOOR is opened.
TRANSFORMER T1 The TRANSFORMER T1 receives from 100 to 240 V AC, 50/60 Hz,
and changes this power to 120 V AC, 50/60 Hz.
SUPPLY
POWER
= INTERLOCK SWITCH
BOARD
DIGITIZER
BOARD
MCPU
50/60 Hz
120V AC
120V AC
120V AC
120V AC
PC
INTERNAL
K1
LAMPS
ERASE
UPS1
TRANSFORMER
T1
AC SOURCE
100-240V AC
50/60 Hz
-24 V DC
V3
12V DC
V2
GND
24V DC
V1
PS1
PMT/DAS
BOARD
BOARD
MSC
24V DC
5V DC
SLOW
SCAN
CONTROL
BOARD
DS1
TOUCHSCREEN
DISPLAY
BOARD
GALVO
LASER DRIVER
PRE-REGULATOR
-24 V DC
-6.5V DC
RELAY
A2
A3
A1
A5
A6
A4
A18
A17
DRIVER BOARD
LASER DIODE
BOARD
H194_5023HC