Introduction: Sony Walkman NW-S705F Loose Earphone Fix
After some time, some NW-S705F players sporadically have very low volume, crackly sound or even no sound at all. Sony will repair these under warranty, but if it's out of warranty, you're out of luck! So here's my first instructable on how to fix this problem.
You'll need one star jeweller's screwdriver and two flat jeweller's screwdrivers.
Please bear in mind that following these steps *will* invalidate any warrantees, guarantees or any other promises/agreements relating to the device. You are also quite likely to break the device, set your house on fire and howl at the moon in frustration. If you find all of this acceptable, please carry on!''
Step 1: Remove the Hold Slider
Remove the hold slider by gently pushing a flat-head screwdriver under the left-hand side of the slider. It should pop out quite easily - if not, you're doing the wrong thing - try a little closer to the middle.
Step 2: Remove the Front Cover Screw
Remove the small screw just under where the slider was. Be careful - if you drop it, you'll never find it again!
Step 3: Remove Front Cover
Now remove the front cover. It is held in place by a small piece of double-sided tape under the cover on the left hand-side. Push a flat-headed screwdriver under the cover on the right-hand-side.
Step 4: Remove Board Cover Screws
Remove the two board cover screws, using a star-screwdriver.
Step 5: Remove Board Cover
Remove the board cover, by sliding a flat-head screwdriver under the right-hand side of the cover.
Step 6: Remove Top Board Screws
Remove the two top board screws
Step 7: Remove Top Board
Remove the flat LCD ribbon cable. This is quite difficult and it's important to avoid ripping the ribbon cable - if you do, the LCD will stop working''. I used a small flat-head screwdriver to push the tabs on the side of the cable away from the connector, This is more difficult than it should be, so I suspect that there is a better way to do this.
Once the ribbon cable has been removed, pull the right-hand side of the top board gently towards you using a flat-head screwdriver. This will pop a connector on the underside of the top board out of a small socket on the bottom board. Gently lift the right-hand side of the top board up over the lip of the headphone connector and then you can gently slide out the top board towards the right-hand-side, bearing in mind that the charge/data connector is quite tightly fitted in the case. Also, be very careful that the battery cable on the underside of the board doesn't snap - remove the top board and the battery at the same time.
Step 8: Remove Bottom Board Screws
Remove all of the screws on the bottom board. Remove the board spacer as well
Step 9: Remove the Bottom Board
Gently move the sticky edges of the foam backing under the LCD ribbon cable away from the bottom board. Then gently manipulate the LCD ribbon cable until it is completely under the bottom board. Remember that folding, bending or ripping the cable means that the LCD will stop working! So please be careful.
Remove the headphone jack ribbon cable by lifting the black tab on the connector and gently pulling out the cable. As with the LCD cable, folding, bending or ripping this cable means that it will stop working!
You can now remove the bottom board, bearing in mind that there is a small piece of double-sided tape holding the one side down - gently remove this.
Now is a great time to find out how many screws you have lost. They're tiny and for some reason very prone to bouncing away. ;)
Step 10: Fixing the Problem
The whole reason that you're here is to find out how to fix your headphone jack problem ...
It's entirely possible that by disassembling and then reassembling the device, you problem will go away! This is because the headphone jack connector/cable seems to oxidise ('rust') and removing the cable causes most of this 'rust' to be removed. This is what caused my issues.
I fixed the problem by gently scraping off the 'rust' with a flat-head screwdriver. It's a _very_ tiny connector and even with a magnifying glass, I struggled to see what I was doing.
The alternative is that the headphone jack itself has broken. I spent an hour or two trying to disassemble the headphone jack and didn't get anywhere, so if anyone has some hints, please drop them ;)
Step 11: Putting It Back Together
Well, now it's time to see if you broke anything while taking it apart. :D
It's quite simple to put back together - just follow the steps in reverse - nothing complicated.
Enjoy and good luck!
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