Icom COMMUNICATION RECEIVER IC PCR100 Instruction Manual

Also see for COMMUNICATION RECEIVER IC PCR100: Service manual

378TROUBLESHOOTINGPROBLEM POSSIBLE CAUSE SOLUTION REF.No power comes ON. • The RS-232C cable is not connectedcorrectly.• The RS-232C port is not selected correctly.• Check the RS-232C cable.• Select the RS-232C port correctly.p. 1p. 5No sound comes from thespeaker.• Volume level is too low.• The squelch is closed.• Band scope function is in use.• Different tone is selected with tone squelch.• Click the [VOLUME] control with the sub mouse buttonor click the volume [J] button to obtain a suitable level.• Click the [SQUELCH] control with the main mousebutton or click the [SQL K] button to open the squelch.• Pause or cancel the band scope function.• Check the tone squelch frequency.p. 16p. 20p. 34p. 36Receive audio isdistorted.• The operating mode is not selected correctly.• The IF filter is not selected correctly.• Select a suitable operating mode with [FM], [WFM],[AM] or [AUT-M].• Select a suitable IF filter with [NAR] or [WID].pgs.18, 19p. 20Sensitivity is low. • The attenuator is activated. • Click the [ATT] button to cancel the function. p. 21If your receiver seems to be malfunctioning, please check thefollowing points before sending it to a service center.

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