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diagnostic

  1. MBuras

    Sansui 9090 (not DB) only some function lights working

    EDIT: FIXED Was wrapping up a quick tuneup which has now become a long drawn out headache. The function lights for only phono and aux do not illuminate. Replaced bulbs with no effect. Checked power, fuses, etc. The 6.5vac power is present at pin 39, and is transferred to the function bulbs for...
  2. D

    Diagnostic - Pathos Logos amp

    Hi everyone! I am writing to better understand an issue that my amp displayed today. Specifically, the amp gives a periodic popping sound on the right speaker, even at 0 volume. The amp is question is a Pathos Logos that I recently bought used (worked fine until today!). Something to note is...
    • DimiSakis
    • Thread
    • diagnostic logos pathos repair amplifier
    • Replies: 2
    • Forum: DIY
  3. AshhBoy_

    Kenwood GE-1100 graphic equalizer repair (recap and analyzer issues)

    I've been using this beautiful unit for a little while now and thought everything was fine, although a bit crunchy when pressing buttons. The Sound has the 'warm' feeling from old caps and the power supply caps for sure need to be replaced, hence that thread. The first owner was my father, unit...
  4. R

    FISHER REPAIR HELP

    Recently tried to get my dad's old Corwin Vega speakers playing again, I know the speakers work, they're being run off a fisher ca-9025. when I turn the stereo on with the remote I stays on for 10-45 seconds and the turns itself off. during that time it won't allow me to select any audio...
  5. MBuras

    Basket Case KA-7002 need some guidance

    I bought it cheap knowing it didn't have sound output. Didn't know until I got it that there were literally parts missing on the amp card and definite signs of being worked on. I've subbed in proper replacements where needed, making sure to check, recheck orientation and pinouts as needed. It...
  6. E

    Phillips AV1002 - Schematics/Repair assistance

    Hey all, First time posting here so forgive potential submission errors (I will endeavor to fix any missing required information as I know about it). I have a Phillips AV1002 amplifier, and am incapable of finding a service manual for making a repair. The issue lies in the input sub-board, two...
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