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voltage is above 5 volts direct current (VDC), wait five (5) minutes and recheck until voltage is
below 5 VDC. Refer to "Figure 1-6 DC Bus Voltage Test Points".
Figure 1-6 DC Bus Voltage Test Points
1.9 Handling Static Sensitive Devices
Figure 1-7 ESD Susceptible Caution Label
Active electronic components are susceptible to damage when exposed to static electrical charges.
Damage to such components may lead to outright failure or reduction in service life. Since the
presence of static charges is not always evident, it is essential that service personnel follow static
control procedures at all times when handling sensitive electronic components.
This section outlines static control precautions that must be followed when providing service support
in the field. Service support personnel should create a safe, static-free environment.
Service personnel must use a commercially available service kit for handling static-sensitive devices.
The kit typically includes:
• Ground cord assembly
• Alligator clip
• Grounding wrist strap
• Wrist strap tester
If a safe, static control environment cannot be created for a specific reason, the operator will ensure
that electrostatic discharge (ESD) items and personnel are at the same electrical potential as the
equipment.
The electronic modules should only be removed from the ESD protective bag at the last moment, just
before installation when the operator is ready to do the replacement.
Place Positive
(+) Meter
Lead Here
Place
Negative (-)
Meter Lead
Here
Place
Negative (-)
Meter Lead
Here
TTS350 Revision H Shown
TTS300 Revision G Shown
Place Positive
(+) Meter
Lead Here
Summary of Contents for Turbocor TTS Series
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