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Suitable power amp replacement(discontinued)

Discussion in 'Electronic Repair' started by [email protected], Mar 23, 2005.

  1. Guest

    Hi Folks,
    I have a San Jose CD/MP3 car stereo that I would desperately like
    to repair. The part in question is an LA4743B, manufactured by Sanyo.
    The part is discontinued. It is a 45W, four channel(bridge) power
    amplifier in a 25-pin single-row plastic package(w/integrated
    heatsink). I am having a really hard time find this part because it is
    discontinued(unless I buy like 300 of them from an overstock locator).
    Can anyone recommend a replacement part? I believe these are used in
    Clarion head units also. If it helps, the Sanyo datasheet is at:
    http://service.semic.sanyo.co.jp/semi/ds_e/ENN6630_d.pdf

    Thanks so much,
    -Jamie K
     
  2. East Coast Electronic Repair & Sales
    Try NTE's site.
     
  3. Guest

    That was my first visit, no good. A parts and service center for
    Blaupunkt got back with me, they can obtain an LA4347K, not the 'B'. I
    can't find a datasheet on the K to do a comparison, but I'm going to
    chance it. It's $18, but I paid $280 for the head unit at the time.
    Worth the trouble/cost in my opinion.

    -Jamie
     
  4. Franc Zabkar

    Franc Zabkar Guest

    It's still available in Australia for AU$15 (US$12).


    - Franc Zabkar
     
  5. Gary J Tait

    Gary J Tait Guest

    I would forget about the amp chip, and use and external amp.
     
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