JPS PTG-10, Инструкция по установке и эксплуатации, Страница: 19 / 26

PTG-10 Operations Manual
Interoperability Now!
5-1
5
Maintenance and Repair
5.1
General
This section gives enough detail about the theory of operation in regard to the audio and power
supply sections to allow them to be trouble shot in the field.
5.2
Preventive Maintenance
There are no preventive or periodic maintenance requirements for this equipment.
5.3
Repair or Replacement
The repair or replacement of damaged and/or defective parts generally requires techniques that
are standard in the industry. Carefully examine the equipment to determine the most correct and
least time-consuming method required to make the repair.
5.3.1 General Precautions and Notes
1. Disconnect power from the unit before attempting any repair or replacement of
components.
2. Replace defective connectors only with identical items.
3. Carefully observe lead dress and component orientation when repairing circuits. Keep
component leads as short as possible.
4. Reference to the component side of a printed circuit (pc) board denotes the side of the
board on which the majority of components are mounted. The solder or circuit side refers
to the side opposite the components.