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Now that the tops are tabbed, flip them over (sunny side down), but, slip out the tabbing strip from the first one so that it lays on the straight back associated with the next. Do the same all of the way down your "string". You will be soldering the strip towards the contact points on the relative straight back for the cells. If your cells are like mine, you will see 6 small contact that is whitish. Make sure your tab strips make so they really will sit throughout the contact spots then apply flux to your spots. Hold your soldering iron towards the strip on the spot so when its hot, touch the solder cable to your point and allow solder movement, don't apply too much and don't over heat the contact because you can harm the mobile. An alternate is to utilize a solder paste on the contact, lay the tab on and contain the iron in the point for me, this was a better solution till it flows. Perform some same for all six contact points, will have two cells connected. Continue doing this process for the cells that are solar the string.

ramThis is a pretty idea that is good be sure you have good solder connections, by exposing the cells to light and testing the output voltage. At the least, check each string, it is too late when you yourself have connected them up to find you do have a "dry solder" someplace and now have to trace it back. Because of the string of cells all soldered together, there is yet another thing to accomplish. At this stage you should have at one end of the string, the past one, featuring its "top tabs" free. But at the start of the sequence, nothing to hook up to. Which means you need to solder a length that is short of strip towards the back for the "top" (first) cell to have one thing in order to connect to and complete a circuit. Therefore, on the "first" cell, solder tabbing strips across the back contacts with enough of a end that is free enable you one thing for connecting to. Now you certainly will have connecting tabs at both ends of one's sequence prepared to connect with its neighboring string or even a connector coach. Really, now you have actually check this out far, its a good concept to complete solder this "first" set of back tabs before soldering up a string, it saves some double managing.
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Instance 3: Dell e151fp ( equivalent to Acer FP553 Chassis ) No power or power on then shutdown briefly

Solution 3: Solder out the faulty C605, C707, C703 capacitor, the faulty power ic UC3842B, faulty resistors R613, R623, R615, defective transistor Q601, faulty diode D604= 1N4148 and fuse F601. Solder the brand new components back into the circuit.

No matter how severe fault level of lcd monitor, the soldering work is always involved in repairing lcd monitor from above examples. You will find the following articles give an explanation for soldering that is basic advance soldering technique of the outer lining mounted devices (SMD) on our site.

1) Tools for soldering

2) Soldering security and health

3) Photos for soldering dry bones on circuit boards