Yamaha TX-580RDS Owner's Manual - Page 18
TROUBLESHOOTING, If it cannot be corrected, or if the fault is not listed in the SYMPTOM column
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TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. FM SYMPTOM Crackling sounds from time to time (especially in weak signal areas). CAUSE Ignition noise from passing vehicles. FM stereo reception is noisy. Noise from thermostats or other electrical equipment. Because of the characteristics of FM stereo broadcasts, this is limited to cases where the transmitter is far away or the antenna input is poor. The STEREO indicator flickers and reception is noisy. Insufficient antenna input. Not tuned correctly. There is distortion and clear reception cannot be obtained even with a good FM antenna. There is multipath interference. No stereo effect even with a stereo broadcast. The TUNING MODE button is set to the manual tuning mode. A desired station cannot be tuned in with The station is too weak. Automatic tuning. Previously preset stations can no longer The tuner has been unplugged for a long be tuned in. period. Insufficient sensitivity. Weak signal or loose antenna connections. A desired station cannot be tuned in with Automatic tuning. There are continuous crackling and hissing noises. These noises result from lightning, fluorescent lamps, motors, thermostats and other electrical equipment. There are buzzing and whining noises (especially in the evening). Another station is interfering with the received station. A television set is being used nearby. REMEDY The FM antenna should be put up as high as possible, away from the road, and a coaxial cable used. Attach a noise suppressor to the equipment causing the noise. Check the antenna connections. Try using a high quality directional FM antenna. Set the TUNING MODE button to the manual tuning mode. Use an antenna appropriate for the reception condition in your area. Tune again. Adjust antenna placement to eliminate multipath interference. Set the button properly. Use the manual tuning mode. Use a high quality directional FM antenna. Repeat the presetting procedure. Tighten the AM loop antenna connections and rotate it for best reception. Use the manual tuning mode. Use an outdoor antenna and a ground wire. This will help somewhat but it is difficult to eliminate all noises. This is impossible to remedy. Relocate this unit away from the TV. AM 18