Teledyne 6000B - Photometric analyzer - Manual (Page 61)

Part I: Control Unit Maintenance 4
Part I: 4-3 Teledyne Analytical Instruments
Preamp
0 OK
1 Zero too high
2 Amplifier output doesn't match test input
3 Both Failed
>3 Call factory for information
Cell
0 OK
1 Failed (open filament, short to ground, no
power.)
2 Unbalance (deterioration of filaments, blocked
tube)
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