REPAIRING AND NOT THROWING AWAY

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!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday, 14 March 2019

KLVS26A10, KLVS32A10 – SONY LCD TV SMPS BOARD SCHEMATIC, LED BLINKING CODES – WAX CHASSIS

KLVS26A10, KLVS32A10 – Sony LCD TV SMPS board schematic, LED blinking codes – WAX chassis

( This is one of Sony's first TVs to be built in the new state-of-the-art LCD factory jointly owned by Sony and Samsung.)

Television system: American TV Standard
Channel coverage: VHF: 2-13/UHF: 14-69/ Cable TV: 1-125
Panel System: LCD (Liquid Crystal Display) Panel
KLV-S26A10T - RM-YA001 - BRAZIL
KLV-S26A10T - RM-YA001 - ARGENTINA
KLV-S32A10T - RM-YA001 -BRAZIL
KLV-S32A10T - RM-YA001 - ARGENTINA
WAX CHASSIS
The circuit boards used in these models have been processed using Lead Free Solder. The boards are identified by the LF logo located close to the board designation.. The servicing of these boards requires special precautions to be taken.
It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints.
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade.This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
SMPS [Power board] circuit diagram and PWB component and foil side
How to Find a Good Earth Ground
A cold-water pipe is a guaranteed earth ground; the cover-plate retaining screw on most AC outlet boxes is also at earth ground. If the retaining screw is to be used as your earth ground, verify that it is at ground by measuring the resistance between it and a cold-water pipe with an ohmmeter. The reading should be zero ohms.
The unit contains a self-diagnostic function. If an error occurs, the POWER LED will automatically begin to fl ash. The number of times the LED fl ashes translates to a probable source of the problem. A definition of the POWER LED flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom is difficult to reproduced use the Remote Commander to display the record that is stored at the internal NVM to specify the cause of the failure.
Diagnostic Test Indicators
When an error occurs, the POWER LED will fl ash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the first of the problem areas. If the errors occur simultaneously, the one that corresponds to the fewest flashes is identified first. Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”.
Posted By: FRANK at 02:50
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