Signal Path Of The On/Off Signal - Sirona TENEO Service Manual

3.1.3

Signal path of the ON/OFF signal

Tastatur NAB
X10 X11 X11
9 9 9
Unit ON/OFF
10 5 5
Unit_ON/OFF: (keyboard to NWE)
Switching on Approx. 8-10 V when ON/OFF key is not pressed
0 V when the ON/OFF key is pressed
Switching off Approx. 28 V when the ON/OFF key is not pressed
Approx. 0.1 V when the ON/OFF key is pressed
61 94 448 D 3509
D 3509.076.01.01.02 07.2008
NAK NAJ
X1 X1 X22
B5 RD B5 10 WH
L246 L249
SDI NSA
ST/WE
X1 X1 X1 X2 X6 X6
10 10 WH 10 10 VT B4 B4
L307 L305
Power supply unit_ON/OFF: (NWE to NT)
Approx. 8-10 V when the ON/OFF key is not pressed
Approx. 0.5 V when the ON/OFF key is pressed
Approx. 8-10 V when the ON/OFF key is not pressed
Approx. 0.5 V when the ON/OFF key is pressed
3 Important information
NWE
X5 X1
B1
WH 10 Logik
Unit_ON/OFF NetzteilON/OFF
L205
Unit_On
Yellow
NT
X1
B1
BN
L207
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