Park Air Systems Limited BM7X User Manual
M7X and M7R
Page 5-33
Maintenance
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Replacing the PSU Module
Ensure the input ac and dc supplies to the radio are disconnected before removing the top
cover.
cover.
Do not remove the radio’s top cover for at least one minute after switching off the radio.
This equipment contains devices sensitive to electrostatic discharge. Precautions applicable
to handling such equipment, including wearing a static protection wrist strap connected to
earth, should always be taken.
to handling such equipment, including wearing a static protection wrist strap connected to
earth, should always be taken.
PSU Module
The PSU module, shown in Fig 5-23, is supplied complete with three cables attached. A thermal pad is
also supplied with the module.
The PSU module, shown in Fig 5-23, is supplied complete with three cables attached. A thermal pad is
also supplied with the module.
Fig 5-23 PSU Module
WARNING Dangerous Voltage
WARNING Dangerous Voltage
Caution ESDs
Ribbon Cable; connection shown in
Fig 5-25
Two-wire power connector;
connection shown in
connection shown in
Fig 5-24
Three-wire RF PA power connector;
connection shown in
connection shown in
Fig 5-20