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Servicing
Flash Lamp Voltage Adjustment
Flash Lamp
Adjustment
Flash Trigger
Assembly
Replacement
7-14
Model 43i Trace Level-Enhanced Instruction Manual
8. Adjust the lamp voltage. Refer to the "Flash Lamp Voltage
Adjustment" procedure that follows.
Use the following procedure to adjust the flash lamp voltage.
Voltage
Note The service procedures in this manual are restricted to qualified
service representatives.
9. From the Main Menu, press
The Set Flash Voltage Adjustment - Man screen appears.
Note If Service Mode is not displayed, refer to "Accessing the Service
Mode" in this chapter, then return to the beginning of this step.
10. At the Set Flash Voltage Adjustment - Man screen, use
until the SUPPLY voltage is 1000V.
11. Press
12. Perform a PMT Voltage Adjustment, and recalibrate the instrument.
Refer to "PMT Voltage Adjustment" in this chapter and the calibration
procedures in the "Calibration" chapter.
Use the following procedure to replace the flash trigger assembly (Figure 7–
7).
Equipment Required:
Flash trigger assembly
Philips screwdriver
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly ground antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
▲
to scroll to Flash Voltage Adjustment > and press
to store the value.
to scroll to Service > press
▲
Thermo Fisher Scientific
>
.
▲
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Troubleshooting
