Changing The Main Pcb - Thermo Scientific GENESYS 20 Service Manual

Changing the Main PCB

Problem:
Symptom/Cause:
Solution:
Produce Affected:
Instrument loses its Wavelength Table when the Main PCB is
replaced.
Information is stored on the 335110-661 EEPROM (U4)
When replacing the 4001-6046 Main PCB, remove the
EEPROM from the old board and install it into the new board.
The current (since 01 Feb 1999) 4001-6046 boards are
shipped without a 335110-661 EEPROM.
All GENESYS 20 models
13-3
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