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I need a manual/instructions for a Sony Walkman FM/AM WM-FX405

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Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: URGENT HELP cassette player problem, please reply

I HAD EXACTLY THE SAME PROBLEM ALL I DID WAS TAKE APART MOVED ALL WHEELS AND COGS IN SIDE AND JUST BLEW OUT ANY DUST CLIPPED BACK TOGETHER AND WORKED FINE PLAYS GREAT HENCE WHY IM LISTING IT ON EBAY.HOPE YOU HAVE SUCCESS

Posted on Sep 14, 2008

  • 1 Answer

SOURCE: Sony Walkman WM-D6C

If your WM-D6C has a serial number below 267201 (take out the battery block and you'll see the serial number sticker there) then the problem is electronic, not mechanical. It is likely due to the speed controller chip (labeled as IC601 on the circuit board), which is made by Sony and is type CX20084. This chip decides the voltage that is fed to the motor which is only about 2.4 volts, Should the chip be defective then the motor receives about twice this voltage and thus runs too fast. If you take the back off the recorder you will see the circuit board; it looks like a rectangle with a small square extra bit sticking out to the right. It is here that the IC601 resides. It is about the size of a small pinky finger nail and has 8 tiny legs down each side. Measure the voltage on pin 15 (put one voltmeter probe (+) on the second leg down on the right side (pin 15) and the other one (-) on the battery negative), it should read about 4.8 volts, which it feeds into the base of transistor (Q601) that in turn will then feed 2.4 volts to the motor (if everything is working OK). If the chip is damaged, then the voltage on pin 15 will be close to zero, and the transistor Q601 will not be "held back" and so will feed about 5 volts to the motor. CX20084 is (unfortunately) obsolete, someone in the UK sells them for about $50, but an excellent company in Hong Kong (utsource.net) sells them for $5 (plus $8 S&H). Taking out the old chip and putting in a new one is close to microsurgery, you will need a micro soldering iron (18Watt Antex), a good eye, a powerful magnifying glass and a steady hand, but it can be done - I've done it! There is a possible second reason that could cause the motor to run too fast. There is a pick up coil on the main flywheel called FG901. If this is damaged it will be open circuit and then the only use for your recorder is probably a paper weight. You can test this by going back to chip IC601 and locating pin 1 (top left pin; a small circle on the body of the chip is next to pin 1), Pin 1 is connected to the positive side of a capacitor,  C602 (0.47 microF), check the resistance from the negative side of C602 to the ground (take battery out, and use battery (-) as ground). You should get about 600 - 650 ohms reading. If you get nothing, sorry there is not much you can do about it as these pick up coils are definitely not available. Finally, chip 601 (CX20084) goes bad if you connect the batteries back to front. Good luck. Giles..

Posted on Jan 16, 2009

caroldon
  • 17129 Answers

SOURCE: I have a sony walkman WM-3. It suddenly stopped

Please check for the belts if the battery you have installed is new and the set gives a hum on play. If not you will have to check the power switch, the mechanism switch and the line to the main board.
If the motor turns but not the capstan and the reel then change the belt, the rollers or the pulley. I hope this will get your set back to action. Good day

Posted on Jul 21, 2010

caroldon
  • 17129 Answers

SOURCE: how to replace the drive belt on the sony walkman

Since this is a very small player what is important is to be very careful and delicate to open the rear cover and do the repair. The printed circuit board has to be removed and moved up carefully not to damage or detach wires. Now remove the capstan cap and take out the old belt, check the size with the new one and if OK run in the same direction you had taken out. replace the lid and the pcb carefully and fix the wires according to the same pattern so as not to touch the belt and drives. Now put in a cassette and test. If it works ok with the speed close the rear cover. clean the headd, the rollers and the transport section . Now your tape has been serviced and must work well. Hope my advice helps you . Good day

Posted on Jul 22, 2010

  • 186 Answers

SOURCE: how do I dismantle a sony wm-ex39 walkman. I

i had this problem.i use a knife to pry it open

Posted on Oct 17, 2010

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I think you need to visit maintenance center to fix that cause its hardware problem.
But you can check somethings before u visit them .. like:
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Thanks for using FixYa.

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I hope that helps you out!

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