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.

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
  • 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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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
  • 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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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
  • 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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Remove one screw to take off the rear part of the carrying handle 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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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
  • 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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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
  • 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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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 :(
  • 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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After unplugging the circuit board we can completely remove the speaker 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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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
  • 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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Take out two screws to remove the tape reader/writer
  • Take out two screws to remove the tape reader/writer

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

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Harry333

Member since: 10/22/2009

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