Service Instructions VISUCAM
lite
Issue: 22.09.2003
SM-30-4044-A1-en
Replaces issue:
Page
36
of 41
Measuring the operating voltages
Input voltage of the power supply unit (X4)
Voltage supplied to the instrument interface
(GIF)
Voltage supplied to the motherboard
Output voltage of the power supply unit
+5V (red)
+12V (yellow)
0V (black)
Voltages present at Interface GIF PCB
Sensor P22 pin 3
+5.2V without metal
+0.8V with metal and LED on
at the sensor
Display from patient sight
left
OS
right
OD
Voltages present at the VISUCAM
lite
lamp Control PCB
1
1
0V 0V 0V +12V +12V
1
+5V
2
0V
3
P23
4
+12V
1
+5V
2
0V
3
P22
4
+12V
3
2
+ 7 V
1
0V
2
0V
1
+5V
X21
X22
C9
R5*
C6
C8
C7
C5
R2
R3
L5
C14
C2
D2
C3
U1
D3
R18
C4
R1
R
8
R
1
0
R
1
4
C11
C12
R7
C10
R6
L6
R
1
3
R
1
1
R12
X2
X6
X7
X8*
R17
1
44
R4
C13
X4
X5
X1
X3
1
5
+
5
V
l
o
g
i
c
0
V 0
V
+
1
2
V
l
a
m
p
+
1
2
V
c
a
m
e
r
a
s
X4 Sensor left right
movement
X7 Fixation lamp
X6 Fan
X5 Voltage supply
camera head
+5V
+5V
+5V
0V
0V
0V
+12V
+12V
0V
0V
0V
+5V
+5V
+12V
+12V
0V
0V
+5V
X43
X41
Signals
Temperature sensor
Brightnes, max. 1,44V, min. 88mV
Shutter, ON +3,6V, OFF 0V
Fan, max. +11.8V, 7V
GND
+5V1
GND
Содержание VISUCAM lite
Страница 38: ......