Noise Problems

NOISE PROBLEMS





A. Questionnaire for noise
For noise troubleshooting it is very important to understand the claims from the customers well, so make the best use of the following questionnaire and diagnose the problem accurately.

HINT: In the case that the noise occurrence condition does not meet any of the above, check based on the "Trouble Phenomenon. Refer to multipath and fading / Reception Problems. Reception Problems


B. Matters that require attention when checking
- Noise coming into the radio usually has no harm for practical use as the noise protection is taken and it is hardly thinkable for an extremely loud noise to come in. When extremely loud noise comes into the radio, check if the grounding is normal where the antenna is installed.
- Check if all the regular noise prevention parts are properly installed and if there is any installation of non-authorized parts and non-authorized wiring.
- If you leave the radio out of tune (not tuning), it is easy to diagnose the phenomenon as noise occurs frequently.