Thermal Conductivity Analyzer
Maintenance 5
5-3
Teledyne Analytical Instruments
3. Replace fuse as shown in Figure 5-2.
4. Reassemble Housing as shown in Figure 5-1.
American Fuses
European Fuses
Figure 5-2: Installing Fuses
5.5
Major Internal Components
The Cell Compartment and Front Panel PCBs are accessed by unlatch-
ing and swinging open the front panel, as described earlier. The balance of
the PCBs are accessed by removing the rear panel retaining screws and
sliding out the entire subassembly. See Figure 5-3, below. The major elec-
tronic components locations are shown in Figure 5-4 (with Cell Compart-
ment removed for clarity).
WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS
MANUAL.
CAUTION: The front and rear panels and all parts of the instru-
ment case must be tightly closed for CE mark com-
pliance to be in effect.
The 2000A contains the following major components:
•
Analysis Section
Cell Compartment
Cell Block
•
Power Supply
•
Preamp and Motherboard with Microcontroller
•
Display Board and Displays
5 digit LED meter
2 line, 20 character, alphanumeric, VFD display
•
Rear Panel Board.