Question about Televison & Video
By me, brown,black,gold gold is one ohm, namely 1 for brown, black for zero and the rest for quality!
Posted on Jul 15, 2017
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Posted on Jan 02, 2017
SOURCE: bow in tv
The bad new is the resistor is bad. If it is reading 2 ohms its bad because the rated value is .29 ohms and 5% tolerance. I would venture to say that the convergence amplifiers have gone bad. due to excessive current. Since the deflection and convergence boards work together they might both be defective. I would first suggest that you take the TV to a qualified TV repair shop, to perform the repair, but if you what to do this yourself you will need the following items:
1) Schematic of the TV in question (www.servicemanuals.net or www.manualsparadise.com
2) Signal Generator or use the on-board Signal Generator (look in schematic for usage.
3) Multimeter (for resistance, and voltage readings)
4) soldering iron, solder, and de-soldering tools (solder wick, and de-soldering pump)
With these items you should be able to determine the components you need to change, and remember follow the instructions in the schematic exactly as to board removal.
Before reinstalling the convergence board after changing out the convergence amps and ALL (I maen ALL) biasing resistors, check for solder bridges and shorts, removing them with the solderwick.
I hope this helps
Posted on May 11, 2008
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