3 ld safety switches – Toshiba E-STUDIO900 User Manual

Page 57

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PTM 2-32

B070/B071

2.4.3 LD SAFETY SWITCHES



To ensure technician and user safety and to prevent the laser beam from inadvertently
switching on during servicing, there are four safety switches inside the front cover
(these are the 4th front left and 4th front right door safety switches).
When one of the front covers is open, the 5 V line connecting to the LD drivers (LDD)
is disconnected.

Inter Lock S W

P S U

IP U

+5V

+LD 5V

LD 1

LD D

LD B

LD 0

FA N

P O LYG O N

+24V

D A TA 0

D A TA 1

D A TA 0

D A TA 0

D A TA 4

D A TA 5

D A TA 4

D A TA 4

D A TA 5

D A TA 5

LD 4

LD 5

510

5k

510

5k

D A TA 3

D A TA 6

D A TA 7

D A TA 1

D A TA 1

D A TA 2

D A TA 2

D A TA 3

D A TA 3

D A TA 6

D A TA 6

D A TA 7

D A TA 7

1k

X A P C 0

D A TA 2

1k

X A P C 1

1k

X A P C 4

1k

X A P C 5

X A P C 4

X A P C 5

X A P C 0

X A P C 1

6.8k

10k

B G A V D 2

LD O FF

LD O FF

LD 5V

B070D998.WMF

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