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Section 7
Figure 51 UV Lamp Test points on the Display/Controller PCB
1
CON 2
15
1.
Display/Controller PCB
2.
Contrast Adjustment
3.
LK1—IR Range Selection (OUT=0–1000 ppm,
IN=0–10000 ppm)
4.
Zero and Span Adjustment
5.
TP3—Analog Ground (∅V)
6.
LK2—IN - AGC Setup
7.
TP1—INT Output
8.
TP5—SIG IN (Input Signal from IR bench
Page 126
Mirror Assembly Adjustment
2
3
LK 3
MAINTENANCE RS-232
MAINTENANCE RS-232
14
4
5
SPAN
LK1
SIG
CONTRAST
TP4
LK5 LK6 LK7 LK8
LK4
TP6
DIG
DIG
GND
GND
SOURCE
13
12
9.
TP4—IR Voltage 0.25V–4.75V (at sea level only)
10. LK5—LK8 - IN
11. TP2—Source Voltage 1.7V
12. Adjustment for source voltage to 1.7V
13. LK4—OUT (Stepper Inputs)
14. TP6—Digital 0V
15. LK3—EPROM, Software versions 4v0 or higher
only IN
ZERO
GNDA
TP3
INT
TP1
TP5
LK2
SIG IN
TP2
SRC
11
UVTOCMaintenance.fm
6
7
8
9
10
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