Teledyne 5000B - Near Infrared Photometer - Manual (Page 63)

Part I: Control Unit/Analysis Unit Maintenance 3
Part I: 4-3 Teledyne Analytical Instruments
Preamp
0 OK
>0 means that some of the ten gains of the
amplifier have a large offset. The number is a
code that tells which of the ten gtains have the
large offset.
Cell (detector)
0 OK
>0 means that the analyzer failed to
balance the measuring and the reference
signals, the larger the number the farther off
they were.4.3 Major Internal Components
The major components in the Control Unit are shown in Figure 4-3.
Figure 4-3: Control Unit Major Internal Components