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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Wednesday 13 March 2019

SHARP LC32CT2E - LC40F22E - LC40CT2E - LC42CT2E - LC32D12E - WILL NOT START-UP WHEN SET HAS BEEN IN STANDBY

SHARP LC32CT2E - LC40F22E - LC40CT2E - LC42CT2E - LC32D12E - WILL NOT START-UP WHEN SET HAS BEEN IN STANDBY



SET WON'T START-UP FROM STANDBY
  • The resistors R817,R818,R819 on the power supply PWB are out of tolerance.
  • Replace all 3 surface mounted resistors using Figure  for location and ensure the set has the latest operating software installed.
[R817, R818, R819.] [SMD 1/3W HV 620K] [ PART No: SMD 1/3W HV 620K]
  • To check the version of the operating software, in the service menu press the following buttons in sequence. 4,7,2,5. And ensure the software level displayed is greater than V0.3.0.
Instructions for software update.
  1. Download from the technical web site the latest software for the model.
  2. Unzip the file.
  3. Put this file into the root directory of your USB memory stick.
  4. Turn On the television to be updated and wait until the picture appears.
  5. Insert the USB stick into the USB socket.
  6. Follow the on-screen instructions that appear.
  7. When completed switch off the set and remove the USB stick.
MAINS AC FUSE LOCATION
The wires in the mains lead are colored in accordance with the following code :
IMPORTANT
  • As the colors of the wires in the mains lead of this appliance may not correspond with the colored markings identifying the terminals in your plug, proceed as follows:
  • The wire, which is, colored green and yellow must be connected to the terminal which is marked with the letter E, or by the earth symbol, or colored green or green and yellow.
  • The wire, which is, colored blue or black must be connected to the terminal which is marked with the letter N or colored Black.
  • The wire, which is, colored brown or red must be connected to the terminal which is marked with the letter L or colored Red.
  • For continued protection against risk of fire, replace only with same type and rating of fuse (ASTA approved 5A 250VAC fuse).