Page: 144
Service Guide OF1000
Chapter 4 Failure & Repair Analysis
RAP 13: Multi-Frequency Tone Test Failure
START
Do all keys of the ten-key pad fail to generate a tone?
NO Replace the OPE-150 board.
Is the problem resolved?
NO Replace the MCNT-150 board.
YES End of procedure.
YES Is the monitor volume (USER FUNCTION #5) adjusted so the
tones will be audible?
NO Modify User Function #5.
YES Is CN11 (speaker harness) connected to CN11 of the
MCNT-150?
NO Connect it.
YES Replace the MCNT-150
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Содержание OF1000
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