2 edition of Colour TV troubleshooting pict-o-guide. found in the catalog.
Colour TV troubleshooting pict-o-guide.
Radio Corporation of America.
Here are before-and-after photos, with red and without. The circular brace around the shield has four holes for strong metal stays that will hold the tube in the cabinet. In his words, "The fizz is the horizontal convergence waveform riding on the vertical convergence waveform. In the second, I zoomed in and reduced the contrast so you can see all three colored dots.
I slipped a few magazines under the tuner cage to lift it enough to avoid crushing the signal cable. At this stage, we're pretty close. I had no definite history for them. Seller assumes all responsibility for this listing. Most exciting, the precious 15GP22 picture is alive and well.
It takes practice to get a feel for what all of these controls do and how they interact. Next to it is the case that contained the original transformer. Very few CTs were sold during its short production run and only two to three dozen working examples can be found in the world today. Together at last!
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Service manual model L20A, L24, L26 & L28 series
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It would be silly to spend a lot of time messing with convergence at this stage, when the set's purity is still badly misadjusted.
Next time I pull the chassis, I'll attend to those, making no assumptions about what was previously done. The test bench is an old packing crate.
This coating is often called by the trade name Aquadag. The next photo shows the HV cage from the left side. Although the image is complete, it's squished into the upper half of the screen.
There are plenty of other basics that Len might have left undone, such as cleaning potentiometers with DeOxit. Did purity and grayscale adjustments make a difference that we can see?
I measured about 12 volts where 20 is expected, not a huge discrepancy, but worth investigating. The image was also tilted horizontally first photobut that was easy to fix. The chassis number is stamped below the flat resistor on the back panel.
Three screws project like spokes from the purity coil case. If it's exactly on target, that's even better, of course. These rare tubes are expensive and notorious for losing their vacuum see the 15GP22 section of my design article for more technical information.
In this article, I'll refer to parts by their Sams numbers, since those are widely known and both Len and I used them in our restoration notes and charts. In the second photo, you can see that the dots aren't quite converged. Two white leads come out of the high voltage cage.
Here, the yoke is mounted on a temporary stand. Here are before-and-after photos, with red and without.
In a box of little parts, I found the original 1XB2 tube socket and a new one of the same size.INSTRUCTIONS Operation MANUAL Guide Sharp 66GSH Colour TV Television GENUINE.
£ + £ postage. JVC Colour Television Instructions Guide - Original Document. VINTAGE RCA COLOR TELEVISION PICT-O-GUIDE TV REPAIR TROUBLESHOOTING BOOK. £ From United States.
£ postage. Brand: RCA. or Best Offer. RCA Model CT Color Television () The RCA CT is a Holy Grail for TV collectors. Introduced init was the first color television sold in significant numbers, helping to launch a revolution in TV. Old MEDITERRANEAN GUIDE TRAVEL BOOK Shops Hotels TURKEY NORTH AFRICA EGYPT Old MEDITERRANEAN GUIDE $ Gunsights Collectors A Old Gun Sights Guide Pub.
Stroebel Tang Nick Book Krause Krause Tang Book Nick Gunsights Guide Pub. Sights Collectors Stroebel Old A. EARLY S TELEVISION BOOK, EQUIPMENT SHOWS PHOTOS BBC HISTORY TV BOOK (lot 2) + £ P&P.
2 Old RCA Television PICT-O-GUIDE TV Troubleshooting Books VOL 1 & 2. £ + £ P&P. Picture Information. Opens image gallery. Image not available Mouse over to zoom VERY RARE CITIZEN LCD COLOUR TV & MONITOR P With Box.
£ I have this book, too. This and the book by G.N.
Patchett ( edition) are absolute musts for anyone branching out into colour TV. This is from a practical POV, the Patchett one from a theoretical POV and both of them explain the operation of colour TV and PAL (proper colour TV!) in a .