2SC Transistor Datasheet pdf, 2SC Equivalent. Parameters and Characteristics. isc Website： isc Silicon NPN Power Transistors. 2SC DESCRIPTION. ·Low Collector Saturation Voltage.: VCE(sat)= V(Max)@ IC= 6A. 2SC Datasheet PDF Download – Silicon NPN Epitaxial Type / High Current Switching Applications, 2SC data sheet.
|Published (Last):||20 June 2017|
|PDF File Size:||2.77 Mb|
|ePub File Size:||13.88 Mb|
|Price:||Free* [*Free Regsitration Required]|
Actually using a series load – a datashet bulb is just a readily available cheapload – is better than a Variac well both might be better still since it willlimit current to hopefully non-destructive levels.
Modern CRTs usually use acombination of a dztasheet of magnetized moveable rings on the neck, and yokeposition and orientation to set purity and convergence. Warning – never measure this point if the horizontal deflection is operating. In any case, carefully mark theposition AND orientation of every magnet so that if this happens, you canget back to where you started.
Older TVs use a bunch of knobs and switches and these are prone to wear and dirt. With a near-miss, the only thing that mayhappen is for the internal fuse to blow or for 2sc3364 microcontroller to gobonkers and just require power cycling. The procedures for dot-maskand Trinitron aperture grille CRTs will vary slightly.
Analog by pspice
Whenever working on precision equipment, make copious notes and diagrams. Sometimes, just letting datasheeg problembounce around in your head will lead to a different more successfulapproach or solution.
Use proper high quality cable only long enough to make connections conveniently. Accurately mark the original positions – sometimes you will changesomething that will not have an obvious effect but will be datasheef on.
Depending on the power rating of the equipment, these wattages may need to beincreased. If something is still shifting after warmup andget some cold-spray or even a little blower and try to locate the componentthat is drifting. Since computers of that ear were mostly textand video games tended to use fixed patterns for scenery, patterns tendedto be burned into the phosphor such that they were noticeably darker andless sensitive in those areas.
Since the fuse doesn’t blow now you did replace it with one of the sameratings, right? This may be an IC or discrete multivibrator or something else running off a non-isolated voltage or the standby power datasbeet. Since the 2ssc3346 beams for the R, G, and B phosphors originate fromslightly different positions individual electron guns for each and thus arrive at slightly different angles, only the proper phosphorsare excited when the purity is properly adtasheet and the necessarymagnetic field free region is maintained inside the CRT.
If the TV then starts up and continues to run,you know that it is a startup problem. Reset the video adjustmentsyou touched to get a red raster. If any readings are under 5 ohms, the transistor is bad. A fuse or circuit breaker is too 2sc346 and insensitive to provide any protection for you or in many cases, your equipment.
The kids willlove the color effects. Assuming there is no deflection and no HV, you either have a low voltage powersupply problem, bad startup circuit, or bad horizontal output vatasheet HOT or other bad parts in the horizontal deflection.
Since your FR has blown, you probably have shortedsemiconductors that will need to be replaced as well. Be especially careful around the components onthe neck of the CRT – picture tube – as some of these are easily shiftedin position and control the most dreaded of adjustments – for color purityand convergence. Obviously, make sure that you are well insulated! At 50 VAC or less, theswitcher should kick in and produce some output though correct regulationmay not occur until 80 VAC or more.
This can greatly aid in troubleshooting power supply problems. A startup circuit for booting the horizontal deflection if various voltages to run the TV are derived from the flyback.
Adtasheet them up with insulation sticks – plastic or wood. The existance of such a control is becoming 2sc336 common. However, a new outlet is best. Nor is there likely to be any listof other components that may have been affected by overstress and may 2sc346 the future. It doesn’t need to be large – a 2 A Variac mounted with a switch, outlet and fuse will suffice for most datashset.
Other type of circuit which operates off of the line which provides some kind of drive to the HOT.
Some TV designs Zenith uses this in a few models automatically balanceCRT cathode drive by sensing emission from the red, green, and blue guns usinga gray scale reference pulse outside the viewable picture. This indicates that some of thelow voltages are present but these may be derived from the standby supply.
2SC Datasheet, Equivalent, Cross Reference Search. Transistor Catalog
Another likely cause of similar symptoms is a defective low voltageregulator allowing excessive ripple. Since it is a reflective device, thelight source can be as bright as needed. If the reading is really low, there are other problems. A service manual isessential!