Rap 11: Tone Test Failure - OKIDATA OF1000 Service Manual

RAP 11: Tone Test Failure

START
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?
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NO Connect it.
YES Replace the MCNT-150.
Service Guide OF1000
Chapter 4 Failure & Repair Analysis
Page: 142