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The end of my usb lead for my sciphone came of.how do i know which way to solder the wires back on

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It is better to buy a new one, take the old lead to your friendly computer shop so you can get one the same.

Posted on Sep 29, 2009

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Posted on Jan 02, 2017

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Hi I got a belkin CoolSpot Anywhere Ultra cooling pad for my laptop but it doesn't work now because the usb is bent. How do I fix this?


Just cut the end off that is bent. Locate a cheap USB extension cord (6 inch is all you need) Cut the 6 inch cord in half and strip the insulation back 1/8 to 1/4 inch. Do the same application with the end attached to the cooling device. With a soldering iron (25 Watt pencil iron) solder the like ends of the exposed wires together. If you have Shrinkable insulation that is a good cover and simple to use. If not use a good insulation tape to cover the soldered wires. That is it!

Mar 13, 2014 | Belkin LAPTOP COOLING PLATFORM * WITH FAN...

1 Answer

Raccordement fil d'antenne sur circuit il est coupe et je ne sais ou le souder


Step 1:
google translated


antenna wire connection on the circuit is cut and I do not know where the weld

antenna wire connection on the circuit is cut and I do not know where the weld

you might need to solder it
You attach wires to printed circuit boards (PCB) in a process called soldering. You heat the wire and PCB pad, melting the solder wire and allowing it to flow onto the wire and pad. The solder wire used is typically a lead-tin alloy although in some special cases, silver is used. Soldering a wire to a printed circuit board may be part of making, repairing or modifying the board or connecting it to another device.

Clean the pad on the circuit board where the wire will be attached. Gently rub the eraser on the pad until it is clean and shiny. Strip about 1/4 inch of insulation from the wire. Tin the end of the soldering iron by melting a small amount of solder onto the iron tip. Heat the wire end with the soldering iron for a few seconds and briefly touch the solder wire to the bare wire, just long enough to melt the solder, and let it flow into the stranded wires. This is called tinning the wire. Tinning the wire is not necessary with solid or single strand wire. Insert the wire end through the hole in the circuit board pad from the top or component side of the board. Bend the end of the wire slightly to prevent the wire from falling out while soldering but do not let the wire end touch any other component lead or another pad on the circuit board. Apply the soldering iron tip to the wire end and solder pad at the same for a few seconds until the solder used to tin the wire end melts. Apply just enough new solder to make a dome-shaped puddle on the pad that covers the hole and the wire. Remove the iron from the pad but do not move the board for a minute. Cool the new soldered joint and do not move the board until the solder hardens. Clip the wire end off with the wire cutters. The wire is permanently attached to the printed circuit board.

Soldering Guide http://www.kpsec.freeuk.com/solder.htm b> b> b> How to Solder to a Circuit Board: Skill Set (with Video)
http://www.popularmechanics.com/cars/news/4213423

Mar 14, 2013 | Computers & Internet

1 Answer

I need to re solder the power supply plug to the board. Don't know which chord goes where( red and black) . It's a Presonus firestudio 2626. Thanks!


Get a digital meter and check the other end of the plug that fits into that jack. With it plugged in, you hold one lead from the meter to the barrel of the jack and touch the other lead to the tip. The meter will show a value if that value has a -- infront of it then the leads are reversed. If there is no negative sign then it is ok. Then you wire the board wires back on to the corresponding location on the jack.

Mar 02, 2013 | Audio Players & Recorders

1 Answer

Sennheiser HD201 headphones. Left hand cable completely broken about 3" below earpiece, so only get sound from right hand side. Have tried connecting with connector block, which does not work. Would...


there will be 2 wires in different colors inside the cable,

these wires are enamel coated and sennheiser has best quality coating over the wires, so soldering this could be a bit messy - this is the procedure to do so

first take out these wire leads out for about a centimeter from both the ends, try to loosen the leads and yo will find small clustered strands of fiber wound between the leads try to remove those fibers (only the visible ones) completely from both the ends of the exposed leads.
take a blade and try to wipe out the enamel coatings from the wires (make sure that the 2 leads does not touch each other after removing the enamel) now connect (solder) both the ends of the wire with their respective leads (eg. red with red or green with green as applicable) now you should be good to go

Please understand this is a delicate job and require atmost attention use cello tapes wherever applicable and tie knots at correct places to avoid further damages

Jan 30, 2011 | Sennheiser HD 201 Consumer Headphones

3 Answers

PXC250 headphone cable ripped out from electronics box


bugmenot1.jpg
here is the schematic showing where the wires go. the thick copper is the copper that goes around the rest of the wires. it is not neat like the other wires, but lots of single strands. if you are missing some wires, cut 3 centimeter or so of the lead, the wires missing are probably broken further up the lead.
Getting the solder to wet these wires are notoriously difficult. For me the flux inside the solderingwire was not helping, so i took a match, burned of the lacquer of the end 5mm of each wire, scraped the soot of with a knife, and put flux from a box onto the wire. Then i got the solder to wet the wire. Do this with all the ends of the loose wires. Then solder them to the green board as instructed on the the schematic (it is the top of the two drawings that you want to use).

Be careful not to overheat the PCB. make the solder wet the fire first, then solder the wire to the PCB (green board)

Aug 15, 2009 | Sennheiser PXC 250 Consumer Headphones

2 Answers

Sciphone charger does not work at all help


open the connector that plugs into phone ant re solder broken wire or wires. i had same prob

Jul 20, 2009 | Dual Electronics CECT P168 Cellular Phone

2 Answers

My PC wont recognize my sciphone I68 dual sim via USB Cable.


Insert the plug let it finish not reading it. Restart your computer and it should work just fine.

Jul 12, 2009 | Dual Electronics CECT P168 Cellular Phone

2 Answers

The USB connector broke!


I did the same to the cruzer as tedthehobit, and here's how I fixed it.
1) Split open enclosure with screwdriver alone edge. The small key-ring will come off when enclosure is separated. (Safety glasses, please). Circuit board is attached to plastic base--the piece for sliding the connector.
2) To see amount of damage and trace connection, remove the plastic as follows. Two notches are on each size at socket end. The other end has plastic bar across on-top. Use needle-nose piler to chew away top of notches, slowly and carefully to avoid stressing board and damaging surface. This makes it easier to move the notches to the side to lift the board up and out.
3) Look at pads where socket was attached. Fairly clean break, surrounding circuit trace and pads are intact. So, it is worth to continue.
4) The socket connection side has no large pads to solder wiring. The D+ and D- traces were lifted off slightly, but too thin to attach wire. Look at the other side.
5) Use flashlight as backlight, and follow traces from connector pads to ends of closest chips where it is big enough for soldering. [I have jpg of connection points--where to post it?]
6) Use wire-warp (hair-thin and pre-stripped) wire and small-tipped solder iron and work under bright light. Tin wire with traces of solder and remove excesses solder from iron tip. Connect wire to chip, melting and using the solder already there.
7) Solder other ends of wire to the correct tabs of the usb socket.
8) Plug usb socket into a socket extender to plug into PC. Extender is optional, but it will help to deteach from PC later.
9) Did not work the first time because 5V-line solder at circuit was not good (eventually came off). Re-solder. Plug back into PC, and cruze lit up and PC can access the file.

Jan 16, 2008 | SanDisk 2GB Cruzer Micro SDCZ62048A10 Hard...

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