REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Tuesday, 2 April 2019

HOW TO DISASSEMBLE NIKON COOLPIX L10 DIGITAL CAMERA

HOW TO DISASSEMBLE NIKON COOLPIX L10 DIGITAL CAMERA
DISASSEMBLE PROCEDURE
* Remove the seven outer case screws on the left (2), bottom (3), and right (2) side of the camera.
* Pry open the case from its bottom left side. There will be a little resistance. Just use a butter knife at the bottom left (screen side) edge to pry it open. Note how/where the AV cover attaches to the case.
* Remove the single small screw on the silver lanyard connector.
* Loosen the center electronics assembly from the front case by prying with a small screwdriver along the gray plastic on the left side of the camera.
* Remove the center electronics assembly from the front case by lifting it up and out from its bottom.
Note the front face with the battery compartment, lens assembly (note that mine is crooked/damaged), auto-focus illuminator, and flash assembly.  Especially take note of the large green flash capacitor. DO NOT short the terminals of the capacitor to discharge it as you will damage it. Instead recommend slowly draining the capacitor of electricity by applying a voltmeter or some other resistive load until its voltage is discharged.
Now examine the top face of the assembly. Note the tape, and the three exposed screws. Remove and temporarily store these three screws.
* Peel back the center portion of the tape. You may have to tear a portion of the tape.  You'll see two electrical contact points labeled C4+ and C4-. Use these to discharge the capacitor.  You'll also notice a single screw that attaches the flash bulb to the camera. Leave this screw alone as it is unrelated to the disassembly of the camera. Reattach the tape.


COOLPIX L-10 NIKON DIGITAL CAMERA - DISASSEMBLE PROCEDURE

* Now examine the back face of the assembly , taking note of the six exposed screws. Remove these screws, and store them.
* Gently flip the LCD screen and its metal holding bracket up and over to expose the circuitry beneath it. Do not disconnect the LCD screen's large ribbon cable. But do notice the three small recessed screws, and the smaller ribbon cable and its connector. Remove the three screws.
* Now notice the black hinge on the small ribbon connector. Swivel this black hinge upward with your finger nail. The small ribbon should now easily pull free. Note that the cable has no connector on its end once it's pulled free.
* Very carefully tug and lift the bottom of the circuit board. It should hinge upward as the battery leads bend and serve as the hinge point.
* Remove the three screws on the metal cover plate over the lens assembly. Take extra care not to damage any circuit board components, especially the exposed CCD. After the screws are removed, the cover plate and lens assembly should now easily lift out.
* Pry the metal cover plate from the lens assembly. Do this by inserting a small screw driver under one of its three clips, and then twist it. The clip should pop free. Repeat on the other two clips until the plate is removed.
* Remove the four screws that hold its back cover on. Remove the back cover.
*Examine the interior of the lens assembly for any anomalies that may indicate its malfunction. In the below example, two things are apparent. First is that the assembly's guide pins have been dislocated from their intended guide grooves (look at the 4 and 8 O’clock positions). The second problem is that some of the teeth on the lens assembly's primary gear are missing and damaged (as seen at the 2 O’clock position).
Repair is possible by forcing the guide pins back into their grooves. However, camera operation would still be degraded due to the missing gear teeth. It would be necessary to physically help the lens extend and retract during power up/shutdown by pulling or pushing it. Because of this, it was decided to withhold repair and reassembly until acquiring another broken L10. The intent would to salvage and replace the lens assembly with an undamaged one.