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opa2134

  1. KinoRodori

    Need help on opamp replacement

    Hi guys! I'm still a novice to DIY maintenance, repair and mods on hifi equipment. I am confident with my soldering skills but I'm a little short on circuit wisdom. I have a TA-F222ESA (TA-F570ES in the west) that I recently repaired and it is working well. However its shortcoming is the...
    • KinoRodori
    • Thread
    • diy mods novice opa2134 opamp sony 570es sonyes
    • Replies: 22
    • Forum: DIY
  2. KinoRodori

    Need help identifying the audio path

    Hi all, I'm a budding DIYer and I need help identifying the audio path in this schematic I have. I want to understand what parts touch the audio. :music: I plan to do a recap soon and I know many would say it's not necessary as long as it works, but i for one like the peace of mind especially...
    • KinoRodori
    • Thread
    • lm4562 noob opa2134 opamp recap recap list request schematic sony sony 570es sony es
    • Replies: 4
    • Forum: DIY
  3. tusntuk2

    Which OpAmp for Kenwood KT-7500 tuner mod?

    There have been a couple of great threads about modding the KT-7500 to improve the sound. I'm not looking for the FM tuner mods to the filters and such, just looking to improve the sound. I've done several Kenwood restorations now, and the last success (KA-7100 - wow!) has prompted me to try...
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