How To Repair Battery Flex Cable
The articulating LCD screen on my Sony A77 camera recently stopped working properly. The screen still functioned when it was placed up against the photographic camera body, but when I extended and rotated it away from the body, it but displayed artifacts.
Afterwards some inquiry, I found out that the flex cable of the LCD screen was likely damaged. By ownership a new flex cable and studying the parts diagrams that I plant online, I managed to repair the camera.
In this article I volition explain what causes issues with the LCD screen on the Sony A77, what you can do to forbid them, and show how yous can fix the screen yourself at home.
The broken LCD screen on the Sony A77
Before showing you lot how to repair the Sony A77 screen, I will give some more information on the problem and answer some oft asked questions:
What causes Sony A77 LCD screen problems?
There are several reasons why the Sony A77 LCD screen can develop problems. One of the most common reasons is a fracture in the LCD flex cable. Other less common causes are damage to the screen itself or its electronics, or a problem on the printed circuit board of the photographic camera.
A fracture in the LCD flex cablevision
The most mutual reason for problems with the LCD screen is that the flex cablevision that connects from the camera circuit board to the LCD wears out. When this happens, the cable develops ane or more than hairline cracks in the wires. The screen is then not able to receive the correct signals anymore, and it displays artifacts instead.
In the instance of my Sony A77, when the screen was positioned against the body the traces in the flex cablevision managed to make contact well, but when the screen was moved further from the body the connection broke.
A cleaved flex cable seems to exist the most common crusade of the artifacts, and so when attempting to fix the screen, this is what I recommend to try to fix first.
Damage to the LCD screen and/or its electronics
An other cause for problems is a defect LCD screen. This tin can either be the LCD screen itself or its command electronics.
Some possible causes for this are:
- Liquids making their way into the LCD casing.
- A sudden touch on.
- The LCD screen is at the terminate of its life.
The last reason does not happen as well often, as the flex cable is commonly outset to go.
If replacing the flex cablevision does not work, then the LCD screen itself is likely the culprit and needs to be replaced.
A problem with the photographic camera motherboard
Other (not-LCD) camera components can cause issues with the LCD also. For example, the motherboard of the camera tin develop issues due to onetime historic period, or due to the photographic camera being dropped.
This usually shows up equally a green screen on the LCD. Or to exist more specific, a repeating green pattern on the screen. An case of this tin can be seen here.
In this case, the viewfinder of the A77 also stops working and shows the exact same pattern as on the LCD. This is an of import difference with when the flex cable or LCD screen is damaged. In that situation the viewfinder all the same shows the sensor image.
Solving the green screen problem involves replacing the camera motherboard and is beyond the telescopic of this article.
Is it difficult to repair the LCD screen?
You will need to disassemble the camera, replace either the flex cablevision or the LCD screen, and and so reassemble everything.
This may sound like a daunting chore, just it is relatively straightforward. All the steps yous need to take are listed further downward the page. With enough patience and intendance there is not much that tin go incorrect.
What practise you need to repair the LCD screen?
Some common tools and a replacement LCD flex cable (or replacement LCD screen). Everything is listed further down the page.
I managed to find my replacement LCD flex cable on eBay for near €50. You can as well discover them on Amazon. Replacement LCD screens tin can exist found there as well.
Repairing vs replacing the camera
From what I plant online, having the photographic camera repaired at the Sony service center would have cost somewhere between $200 and $400 total for the assessment, shipping, components and labor.
Ownership a replacement trunk (a Sony A77 Mark II) would have prepare me back nearly $1200.
Repairing the camera myself cost me ~$threescore for the replacement flex cablevision. Obviously this option came with a bit more chance, but I was confident that I correctly identified the upshot and that I was able to repair it.
Can yous also use this guide to repair the screen on the Sony A77 2?
Yes! The A77 Mark II is not very different from the A77. The same verbal procedure can be followed to repair the LCD screen on both cameras.
I have not repaired any A77II'southward myself, but I accept had people contact me and telling me they successfully followed these steps for their A77II. So I am certain that this works.
Can you practise anything to prevent the A77 LCD screen from breaking?
Only if you never motility the articulating screen. The primary reason for the artifacts is the flex cable that develops fractures. Limiting the strain on the flex cable will extend its life.
Bated from that, handling the camera carefully and storing information technology safely helps besides.
How to repair a Sony A77 LCD screen
What you'll need
Training
During the repair, be very careful with the new flex cable. Twisting or bending the apartment part of the cable besides far tin cause it to break. Information technology is of import to be gentle with it to avoid a second broken cable.
Start by preparing the photographic camera body. Remove the lens and replace information technology with the trunk cap. Information technology is very important to protect the camera mirror while we piece of work on the camera. Go on by removing the battery from the body. We practice not want to short annihilation out while working on and effectually the circuit boards.
Sony A77 body disassembly
Slide the condom center cup up to remove information technology. This exposes the screws underneath that we need to get to.
Unscrew the three circled screws. There are two screws next to the viewfinder, one on either side. The other screw holds the diopter adjust dial.
Go on rails of the components that go with each pace. For projects similar these I usually keep all small screws and components in a box with separators. That way I can hands keep track of the parts that I used for each stride, and it will be easier to put things back together correctly.
Remove the circled screw on the correct side of the camera trunk.
Remove these two screws on the left side of the camera trunk. They are located backside the rubber covers that protect the microphone and remote connectors.
Unscrew the seven circled screws on the bottom of the camera body. The orange circled screws(3) and the green circled screws(4) have unlike size threads. Brand sure to keep them separate from each other.
Remove the final spiral. You will need to lift the LCD screen to access this screw.
Removing the rear cover
Slide the rear encompass off. To do so, commencement pry open the seam betwixt the rear cover and the trunk. You tin can practise this with your nails, a prying tool or something like a guitar selection. Annihilation that is thin plenty to go in the small gap.
Exist careful with the flex cables when removing the rear comprehend. The orange and blue flex cables that connect the rear cover and the camera torso are quite curt. Make sure not to twist or pull them by accident.
Disconnect the orange and blue flex cables. Hold the flex cables as close to the connector as possible and gently pull. They should come correct out.
Remove the two circled screws. These are the screws that hold the LCD screen associates in place.
Disassembling the LCD screen assembly
Remove the 2 circled screws on the inside of the rear cover. The screws hold a long metallic subclass in place. Once the screws are removed nosotros can take the bracket off.
Lift the rear comprehend off of the LCD screen. Be careful not to pull on the flex cable. If the bracket from the previous step has been removed, the flex cable should be able to slide right through the hole.
Remove the two circled screws on the LCD assembly.
Remove the screws on the sides of the LCD assembly. I screw is circled in the picture, the other one can be establish on the opposite side of the LCD assembly.
Lift the plastic shield from the LCD assembly. Practice non fully remove the shield nevertheless.
Carefully peel the LCD flex cable from the shield. The flex cable is stuck to the shield with an adhesive backing.
Pare the flex cable from the metallic plate.
Remove the hinge cover screw.
Pull out the 2 plastic pieces that make up the swivel encompass.
Remove the two screws on the lesser of the LCD screen assembly. The pictures are slightly out of order, so the hinge cover is dorsum on again hither.
Remove the back cover from the LCD assembly.
Remove the two screws on the inside of the lesser of the LCD.
Lift the metal hinge associates out of the LCD casing.
Carefully lift the flex cable from the PCB connector. I used a small flathead screwdriver to aid lift the cable out of the connector. Ideally yous would utilise something not-metal to avert scratching whatsoever traces on the PCB.
If you lot wanted to replace the LCD screen itself, this would be where you would do it. Simply disassemble the LCD associates a chip farther, until you are able to remove and replace the LCD console itself.
Unfortunately I practice not have motion picture of these steps, every bit I only replaced the flex cable.
Flex cablevision removal
Rotate the flex cable connector 90 degrees to orient the connector parallel to the wires. Take care not to strength things too much and impairment the wires near the connector.
Push the connector gently through the hole. It is a tight fit, merely it is the just way to remove the flex cable intact. Once again, exist careful not to strength anything.
Button the cable through the second hole in the hinge.
The one-half-way point. This is as far equally the camera needs to exist disassembled. Y'all can now insert the new flex cable and do all previous steps in reverse order to reassembly the Sony A77.
Tips for reassembly
Use clear tape to reattach the flex cable to the metallic plate. The new LCD flex cable I bought did not come with agglutinative bankroll. I attached information technology by using some clear tape. Thin double-sided record would besides work for this.
Adhere the swivel cover in the right orientation. Make sure that the hole in the hinge encompass is oriented on the opposite side of the flex cablevision. Threading the swivel cover screw through the new cable during reassembly would be quite problematic, to say the least.
Success! Replacing the flex cable solved the problem.
A summary of the repair procedure
- Remove the lens and the battery from the camera body.
- Slide off the rubber eye cap.
- Unscrew all rear cover screws.
- Accept off the rear cover.
- Disassemble the orange and blue flex cables.
- Unscrew the LCD screen assembly screws.
- Disassemble the LCD assembly.
- Replace the broken flex cablevision (or cleaved LCD).
- Reassemble the camera by following the above steps in reverse.
Conclusion
This was a great projection for me to practice, as I ever enjoy extending the lifespan of products. Particularly when the culling is spending a lot of money.
The repair was not as difficult equally I thought it would be. The Sony A77 is a complicated piece of technology, but it seems to be designed and then that it is relatively easy to repair.
How To Repair Battery Flex Cable,
Source: https://clevercreations.org/sony-a77-articulated-screen-repair/
Posted by: archeranxing.blogspot.com
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