Tools Featured in this Teardown

Introduction

I've had this since I was 3, I think. Anyway it plays cassette tapes and IT HAS A MICROPHONE!!!! ooooooo!

The model nunber is TCM-4500

It was first introduced in the 1980's

This teardown is not a repair guide. To repair your My First Sony Cassette-Corder TCM-4500, use our service manual.

Image 1/3: It can even take a second microphone, sold seperately of course
  • Here we have a 'my first Sony' cassette player with a microphone

  • It can even take a second microphone, sold seperately of course

    • Main microphone plug

    • Secondary Microphone plug

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Image 1/3: Time to take the batteries out
  • This model uses four C-cell batteries, these have been in here since I was 10, hmmm... wonder if there's any juice left?

  • Time to take the batteries out

    • Push down at one end of each row of batteries towards the spring

    • With the tension released pull out on the battery until it comes out

    • Repeat until all four are removed

  • Thumbs up to Sony for providing nice visual instructions for those kiddies

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Image 1/2: And voilà! Now we have a nice view of all the internal components
  • To remove the red back cover you need to remove six screws placed around the border of the cover. Note! The bottom 2 screws are longer than the other 4. These 2 are 35mm long whilst the other 4 are only 30mm long. Don't mix them up !

  • And voilà! Now we have a nice view of all the internal components

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Image 1/2: We also gain access to the rubber microphone holder
  • Remove one screw to take off the rear part of the carrying handle

  • We also gain access to the rubber microphone holder

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Image 1/3: Proceed to to lift up the blue chassis and remove the four screws holding the speaker down
  • To remove the speaker first you'll need to get some slack on the wire, do this by pulling it out of a plastic holder thing

  • Proceed to to lift up the blue chassis and remove the four screws holding the speaker down

  • These screws also hold the yellow speaker grill to the front

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Image 1/1: There were no fasteners holding them together
  • It was a bit of a fight but I was able to pull the blue chassis out of the front piece of the red case

  • There were no fasteners holding them together

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Image 1/3: Then unplug four sockets attached to the circuit board
  • Take out three screws to remove the main circuit board

  • Then unplug four sockets attached to the circuit board

  • And here we have the only circuit board in this device, don't see any big processors on it, I guess I can't turn it into a super computer :(

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Image 1/2: It packs a whopping 3 1/2 inch speaker
  • After unplugging the circuit board we can completely remove the speaker

  • It packs a whopping 3 1/2 inch speaker

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Image 1/3: Then pull up and back to take the chassis out
  • Remove four screws to loosen the tape drive chassis

  • Then pull up and back to take the chassis out

  • With the tape drive chassis on its own we can look at Sony's weird button system, we also have the blue chassis with no components on it

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Image 1/1:
  • Take out two screws to remove the tape reader/writer

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Image 1/3: Take off the yellow cover by wedging a flathead screwdriver in the crack and prying it off
  • To take the microphone apart just pull very hard on the red handle and it will come out, its held on by two tabs

  • Take off the yellow cover by wedging a flathead screwdriver in the crack and prying it off

  • Now we can look at a little microphone, and surprisingly it even has its own windscreen

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Image 1/1:
  • So here we have it all disassembled, and THERE WERE NO 'WARRANTY VOID' STICKERS ANYWHERE!!!

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