Teledyne 6600 manual Major Internal Components, Preamp, Detector

Part I: Control Section Maintenance 4

Preamp

0OK

1Zero too high

2Amplifier output doesn't match test input

3Both Failed

>3 Call factory for information

Detector

0OK

1Failed (open filament, short to ground, no power.)

2Unbalance (deterioration of filaments, blocked tube)

4.3Major Internal Components

All internal components are accessed by unbolting and swinging open the front cover, as described earlier. The major internal component locations are shown in Figure 4-2, the cell block is illustrated in Figure 3-2, and the fuse receptacle is shown in Figure 3-3

The 6600 contains the following major internal components:

•Customer Interface PCB (Power Supply on bottom surface)

•Preamp PCB (Contains Microprocessor)

•Front Panel PCB (Contains Displays)

5 digit LED meter

2 line, 20 character, alphanumeric, VFD display

See the drawings in the Drawings section in back of this manual for details.

For Optical/Detector Alignments, refer to parts II or III of this manual

Teledyne Analytical Instruments Part I: 4-3