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Car radio falure? (very strange)
Hi everyone,
since a few days ago I cannot listen to any of the FM stations. Here is what I could notice: -MW & LW are OK - FM sometimes works, but not for a long time (10 sec - few minutes) - just before loosing an FM station, there is a time period of about 10 sec during which 'input level indicator' slowly arises towards the maximum and in the same time the station fades out - afterwards, there is only a silence - after the station fades out: if I use a preset FM station, there is a 'full signal' indicator on the LCD, but if I try 'search', searching starts and it searches for the infinite time (going all around through all FM scale) - if I am listening to a MW or a LW for a certain time period: then FM is OK, but only for a certain time period - longer the time period of listening to a MW or a LW station is, longer I can use FM mode (no joke :-) ) before it fades out as described before I have checked the antenna and other junctions. Does anyone know where could the problem be? Could it be a capacitor (the fading pattern makes me think something is slowly charging, something like an RC node). Or maybe a PLL module? Just guessing. ps Sorry about my English Thank you, -- Chupo |
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