Hitachi Multisystem TV model # C2980FS ..not powering on
My multisystem tv is not powering on..the repair guy said i needed a flyback transformer which they were unable to source..do you know where can i get a flyback transformer for that tv model and can i install it myself when if i source one? eg i found some sites with flybacks but the serial or part number mean nothing to me...how can i match the flyback part number with my tv model or serial number?
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Re: Hitachi Multisystem TV model # C2980FS ..not powering...
First off you gotta tell us whats the right model and make as you have two listed here and both of these flybacks are avail. trough http://www.partstore.com. The parts are not listed online but get the toll free # or leave a message for them to get back to you. Now A flyback is not a user replaceable part for starters. It is soldered in and theres very high voltage inside these sets even after they are unplugged, and its not adviseable to replace a hi-voltage part in a set, unless you know the issues involved with replacing such parts. Good Luck
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1) You must test the a) fuse b) c.breaker inside c) diode, d) rectifier e) transformer f) filter. g) IC. regulator voltage and test it. If the problem persist you must go to the horizontal problem by lack of RASTER, now you test the transistor horizontal power, flyback. If you have some experience with the electronic you can try. If do not, better go to the repair shop Tv. Since you can have a electric shock by H.Voltage discharge. God bless you
The buzzing comes from the transformer of the power source - it's overstressed by a short. To find out which part is shorted you must check the voltages on the output lines from the source - the voltage on the one powering the faulty part will be way lower than normal. Follow that line and test every single component until you find it. But on your tv the first thing i would test is the horizontal deflection power transistor - the one that powers the flyback.
Contact Philips directly. They should be able to get you the part, even if they have to get it from another repair shops. Many repair shops purchase their parts from factory authorized distributors, not from the manufacturer. The flyback transformer powers the tube-it can be extremely dangerous to work on-EVEN with the tv off, they contain a lot of power somethjing like 50,000 to 150,00 volts. It is not fun getting shocked by one of these as many techs have been knocked unconcious by them. If you do not know the proper procedure to discharge a flyback then leave it alone!
If you know how to solder/desolder, no it isnt. Slinteriors on this website knows how. His address is [email protected]. he has parts and instructions on how to do it. I just replaced the flyback and cp150. Got the parts from him, and also got instructions on how to get out the circuitboard. Didnt trust myself to do it, so I took the board into a local computer repair guy who does soldering. He got the new ones on and tv is working fine now.
You can get the HV Transformer at the following link for 132.00 which includes free shipping and free step by step instructions by online instant messaging so you can easily replace the part yourself. Very easy repair. The HV generator is listed under the flyback section yours is Phillips 32942 Flyback ( HV Transformer)
Heres the link. http://servicemanuals.vstore.ca/
Usually the horizontal output does become shorted when the flyback goes. I would replace the H output as it only cost around 3 dollars. You can check it with an ohms meter out of circuit to determine if it is indeed shorted or open.
If you know what you are doing, and you have a good (de)solderstation, you can repaire it yourself, but you don't know if it for sure the transformer. since you did not find the problem yourself, suppose you replace the transformer and your TV does not work !?
Even when you repair it yourself, the repair guy shall charge you the cost for his time (I don't know the exact english word for his time checking the TV). And I suppose there is a warranty for his repair. So...