Aiwa CSD-ES227 Restoration Problems

Discussion in 'Tech talk' started by bass box, Jan 28, 2022.

  1. bass box

    bass box New Member

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    Location:
    seward, nebraska
    Hi all:

    I purchased one of these for cheap, was very dirty. The following problems are present:

    - CD player does not spin, track indicator does not light up. (Lack of power to CD mechanism?)
    - TAPE/RADIO/CD slider was scratchy, but that cleared up after compressed air
    - Tuning dial was stuck.

    I tore down the unit and deep cleaned the housing and blew the dust off of the PCBs. I reassembled the unit and plugged everything back in, and the following problems are present after complete teardown:

    - CD player (same as before, but track indicator lights up for a few seconds and then shuts off)
    - No audio (When volume potentiometer is turned up all the way you can faintly hear the station if you put your ear close to the unit.)

    I have to think that somehow the amplifier is not turning on to create the lack of output, but still being able to hear the audio at a very low level. There are no fuses in the unit that I can find, the amplifier did work before I took the unit apart.

    I'm stuck at where to go next, any help is greatly appreciated.
     

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