Nov 29, 2017 · I've been running a small stereo amp and sub for tv/projector duty. I would like to hook back up a center channel for movies. Trying to find something that would decode the stereo signal …

Hi all, I have a 4400 with no stereo. tuner works in mono only. I am trying to remove the MPX board. - any idea on how to do this without taking the 50% of the 4400 apart? what are the typical …

Feb 14, 2008 · Does anyone know where I can find alignment instructions for the Fisher 500C tuner and MPX decoder? All I've been able to find is a schematic with no other info. These receivers are so …

Mar 26, 2022 · Usually a weak or failing tube won't cause a MPX unit to sound bad. Much more likely is the fact that it needs to be recapped. Many MPX decoder designs include a large value cap (often …

May 20, 2012 · Be careful to hit one part at a time. This way you can localize, or identify, the offending component. Sounds like maybe a stereo decoder chip. Could be anything ... transistor, bad cap, etc. …

Feb 19, 2018 · This includes some of the FM related boards, especially the P300 MPX decoder. Attached is a table of the transistors and diodes on the FM related board for the 2270.

Dec 15, 2010 · It isn't that simple with that older model - the pot adjust instruction is used for the multiplex decoders that are based on Phase Locked Loop decoder integrated circuits. Yours is an old …

Mar 19, 2021 · The Statesman (202-T) Wide-Band AM-FM Multiplex Tuner Preamp | Audiokarma Home Audio Stereo Discussion Forums This is the thread where I learned it is advantageous to replace the …

Sep 20, 2014 · - The X001 units have the full three chip vario-matrix decoder, adding a lot of separation and spacial awareness to the mix. - Main differences among the QRX 5-6-7001s are power output. 8 …

Jul 19, 2007 · I've owned this Fisher 500-S receiver since 1973 when it was given to me from a friend when I was in high school. For those who aren't intimate with the "S" version, it's very similar to the …