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Servicing
Measurement Interface Board Replacement
Thermo Fisher Scientific
Model 49
i
Instruction Manual
7-21
6. Pop off the motherboard from motherboard support bracket, and
remove the motherboard.
7. To install the motherboard, follow previous steps in reverse.
8. Calibrate the analog voltage outputs as described earlier in this chapter
(all ranges).
Measurement
Interface Board
Replacement
Use the following procedure to replace the measurement interface board
(
).
Equipment Required:
Measurement interface board
Philips screwdriver
1. Refer to “Removing the Measurement Bench and Lowering the
Partition Panel” in this chapter to lower the partition panel, then
proceed to the next step below.
2. Unplug all connectors. Note the locations of the connectors to facilitate
reconnection.
3. Remove the two retaining screws from the top of the board.
Equipment Damage
Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
Summary of Contents for 49i
Page 1: ...Model 49i Instruction Manual UV Photometric O3 Analyzer Part number 102434 00 10Jan2008 ...
Page 4: ......
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Page 14: ...Contents xiv Model 49i Instruction Manual Thermo Fisher Scientific ...
Page 16: ...Figures xvi Model 49i Instruction Manual Thermo Fisher Scientific Flag Status B 11 ...
Page 36: ...Installation Startup 2 10 Model 49i Instruction Manual Thermo Fisher Scientific ...
Page 184: ...Troubleshooting Service Locations 6 22 Model 49i Instruction Manual Thermo Fisher Scientific ...