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if transformer

  1. daylite

    SOLVED: Signal strength meter falls on 500C warmup

    In this case the problem was fixed by replacing the caps in IF transformer Z4 I’m finishing my 500C project and put the chassis back in the original enclosure this week. I find when first switched on and for the next 10 minutes I see signal strength at 4.7-4.8. Then it starts a slow fall and...
    • daylite
    • Thread
    • if transformer signal strength meter silver mica disease
    • Replies: 20
    • Forum: Fisher
  2. PE9ZZ

    Sansui TU-666 almost totally deaf on FM

    Got this cursed tuner with the iconic round tuning dial in today with the complaint "no stereo". Turns out the thing is deaf as hell. At first I thought the front end was fried as I could not detect a signal at 10.7 MHz at its output. I then discovered its LO was tuned 11.3 MHz above the receive...
    • PE9ZZ
    • Thread
    • capacitor if transformer tu-666
    • Replies: 12
    • Forum: Tuners
  3. D

    Zenith IF Transformer help, K706 Chassis

    Hi Gang - Not sure exactly where to post general Radio Tuner questions... But I'm working on a Zenith K706 Chassis that has a bad IF CAN in the FM section The zenith PN is 95-1864 It crosses to the following Miller 1463 Merit FM-256 Stancor RTC-9046 Workman T654 Does anyone know of sources...
    • dobulee
    • Thread
    • if transformer zenith
    • Replies: 11
    • Forum: Tuners
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