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Do you have the resistor specs or can you desribe the colored bands around it?Do you have the resistor specs or can you desribe the colored bands around it?
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An audio hum like you are describing is usually from a bad wire or connection. It could be a filter capacitor from a power supply too. Try other cables to see if that helps.
You will need to install a convergence repair kit which contains two Convergence ICs STK392-110 and then the associated resistors as usually a JVC will Need at least 1 or 2 of the resistors when the ICs fail. You can get the kit for your model at the following link which has the IC and all the resistors plus step by step detailed instructions on how to do the repair. This kit fits your model JVC http://servicemanuals.vstore.ca/product_info.php/pName/av48wp30-convergence-repair-kit/cName/convergence-repair-kits
you can get the replacement STK392-110 Ics and the JVC convergence resistor kit #1 at the following link which has the complete step by step instructions with pictures so you can easially do it yourself. You will need the resistors also as JVC will definately blow one or two resistors minimum when the Ics fail. Heres the link. http://servicemanuals.vstore.ca/
(2) STK392-110 Convergence Amp ICs
(3) 220 ohm 2watt metal film resistors
(3) 150 ohm 2watt metal film resistors
(2) 1.5 ohm 1watt metal resistors
(2) 2.2 ohm 1watt metal film resistors
(1) 1.8 ohm 1watt metal film resistor
(1) 3.3ohm 1watt metal film resistor
You can get the entire convergence repair kit which contains all the parts listed at the following link its called the AV48WP30 Convergence repair kit , but it applies to your model as well, and they include free installation instructions. http://servicemanuals.vstore.ca/
You will need to replace the convergence iCs there are two of them they are both STK392-110 Ics you will also need the JVC convergence resistor kit. You can get the ICs and resistor kit at the following link and they provide free instalation instructions with pictures. Heres the link. http://servicemanuals.vstore.ca/
What TT are you trying to hook up? If it's a traditional one you would need a preamplifier to boost the tiny signal from the cartridge to a suitable level for the AUX to use.
If you have an old traditional receiver with a Phono section hanging around you could rig something up between it and your JVC.
Plug the TT into Phono on the old receiver. Run RCA cables from any Tape REC output to the AUX. Done.
did you replace the convergence resistors with the ICs? The resistors often get increased resistance when the ICs go out and if they dont get replaced you can have a next to impossible time adjusting the convergence properly, as they have to be within 5% tolerance. You can get the resistor kit for your JVC at the following link. Its Called JVC convergence resistor kit #1. Heres the link. http://servicemanuals.vstore.ca/
no, they are special resistors they need to be metal film 5% 1 watt resistors. Radio shack wont have them. You can get some at the following link, but they have a 10.00 minimum order so you may have to purchase a couple exrtra for spares but they do ship for free. Heres the link. http://servicemanuals.vstore.ca/
Do you have the resistor specs or can you desribe the colored bands around it?
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