Panasonic KX-T336 System Reference Manual page 534

E. Troubleshooting Guide
1 .OO Introduction
This subsection uses system troubleshooting flow
chats to guide the service personnel in efficient
and systematrc testing and fault location.
The system troubleshooting flow charts provides
service personnel with a step-by-step sequence
to use for system evaluation. Isolated steps in a
flow chart should never be used out of context,
since any step assumes that proper results were
obtained on all previous tests.
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