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qrx-7001

  1. metaphile

    Sansui QRX-7001 F-2436 driver board: strange resistor values

    Update: I did not lift one leg of the resistors before measuring and therefore read the wrong values because the resistors were still in-circuit. Once I lifted one leg I read the right values. Measuring across the other resistors without lifting one leg gave me the right values so I incorrectly...
  2. metaphile

    Cleaning sealed pots on Sansui QRX-7001 F-2425 Tone Control board

    Hello audiokarma, First post here. I'm in the process of restoring a Sansui QRX-7001 that I inherited from my late father earlier this year. I didn't even know how to solder when I began in June - by now I've completed two DIY amplifiers and a preamp and have recapped and replaced (some of)...
  3. Alamo308

    Sad Sansui...

    :( My beautiful QRX-7001, bought from BX new in Korea 43 years ago, rebuilt from ground up several years ago by a chap in Pennsylvania, has suddenly started its old snap, crackle, and pop again, with every movement of the volume knob, or just randomly and very loudly during music listening, from...
  4. tabpat

    I need help with a QRX-7001 demodulator

    OK, I've been poking around with this thing for a couple weeks now. The demodulator has never worked since I've owned it. It would show a CD-4 beacon properly, but there was no separation front to back and it had a noticeable whistle when a carrier was detected. I pulled out both boards and...
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