• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

channel failure

  1. mcaddie7

    Nikko NR 1019 Channel Issues

    Howdy all, So I have a Nikko NR 1019 that has been giving my troubles. After some time, the right channel will drop out. Now I've troubleshot this to be up to the Amp board as the receiver has a Pre Out / Main In jumper on the back. Both L/R Pre Amp signals go through the Left Amp fine, but...
  2. T

    Sony TA-1140 dead channel

    A while ago I started to have problems with the left channel of my Sony 1140 amplifier. The sound would disappear completely or with some white noise present. I could make it work by turning the volume up but that stopped working a while ago. Turning the power on and off would turn the channel...
  3. M

    Pioneer SA-7500 II, right channel signal clips if the volume is turned up.

    Hi guys, I have a Pioneer SA-7500 II with a defective right channel, I see the signal is clips and distorts, when I turn up the volume. The first thing I did was to clean all the amplifier controls with contact cleaner, but the fault persisted. So, to identify where the problem is I have...
  4. A

    Akai AM-35 amplifier suddenly stops sounding or sounding extremely bad/low on one channel

    Hello everyone! First time posting here. I've read many threads and after not being able to get help elsewhere, I've created an account and am now posting here. To keep it short and simple, I bought an amplifier, brand Akai, model AM-35 (apparently it was sold in the UK and Germany). It sounds...
  5. Hansman

    Technics RS 9900 Tape Deck right channel not working.

    Hello, i got a Technics RS 9900 Tape Transport with Reproduce Amplifier. My Problem is, in Playback only the left channel is working. I looked at the voltages of all the Transistors in the PB Head input region.. L-Channel: TR201 C=12,91 B=13,25 E=15,5 TR203 C=9,79 B=13,28 E=13,78 TR205...
  6. AshhBoy_

    dbx cx3-mkI faulty channel repair

    After having my cx3 fixed because of a dead right channel on arrival, I used it daily for about two years with mostly no issues. Two days ago, I fired it up to discover my right channel was presenting a large ac-synced humming noise. I quickly unplugged everything and checked all my wiring, to...
  7. Dawid Ratal

    Pioneer SX 950 - does not turn on the right channel.

    Hello everyone, Have any of you encountered this problem before? Pioneer SX 950 receiver, serviced. All voltages on the power board are correct. Also the protection plate. No problems with ranges. Replaced the column switching relay with a new one (Mouser - Omron LY2F-DC24). All switches...
  8. D

    G9000 - should I try to mend it

    Hi, 2nd owner of a G9000 - Had it for the best part of the last 20 years, but it has been in my life for 30 years at least. The original owner still asks me about it from time to time. Clearly these units mark for life ;) I've enjoyed it thoroughly for the first 10 years of my ownership, then...
  9. V

    Marantz 2285B right channel issues

    Hello AKers ! First of all, sorry for my bad English, I'm a French guy looking for some help with my Marantz 2285B ;) Here is the problem: In "Phono 1" mode, with my L100 Centurys hooked, I have no sound in the right channel... The weird thing is that it doesn't do it all the time... - If I...
  10. M

    Help please. Sansui AU 719 kill left channel

    Good evening, the left channel of my Sansui 719 died, it does not emit any sound through the speaker or through the left headphones, I can get stereo sound from the tape jacks to the computer; disassemble and check the fuses, all marked correctly; also check the rectifier (without disassembling)...
  11. A

    Crown K1 channel out

    The left channel on my old but beloved Crown K1 will only give output at the 3 highest volume levels. I brought it to three repair shops who said it wasn't worth repairing. I have been using it every day and getting it to give output at lower levels, kinda hoping I could restore the channel by...
  12. SDup

    Help Troubleshooting Audio in One Channel Only + Hum

    I was listening to a record on Friday when the audio decreased suddenly. I checked my setup (description below) and I noticed that the left channel was dead. When I use balance to isolate it I get a hum (loudness increasing with volume) and when I turn the volume up to at least 50% I can hear...
  13. G

    Pioneer SA-9900 issues

    Hello, I recently got my hands on a Pioneer SA-9900 amplifier. I'm not exactly sure what's wrong with it but so far I have determined that one channel has zero output, no hum while the other channel sounds clean but not as loud as it should. I've hooked it up as following: Pioneer TX-9500...
  14. 3outof4

    Kenwood KA-5700 left VU meter not working. Any ideas?

    Snagged a nice looking KA-5700 from a garage sale for $15. Took it home and found that it sounds great, all inputs work, and all switches/lights function. The only problem is that the left VU meter shows no readings at all. Sound comes through both channels and the balance knob works great...
  15. Kirbalicious

    Realistic STA-84 right channel out

    Hi folks! First time posting here, and I'm hoping to pick your collective brain on an issue that popped up. I did a quick search, and a once over of the rules, but please school me if I'm not following the right format or missing any of the finer points of posting here! I have a beautiful...
  16. J English

    Phillips 312 Left Channel Out - What to Try Next?

    Hey, AK vinyl lovers - wanted to ask for your help in diagnosing a Phillips 312 TT in good condition, but with the L channel out (hum only). I bought this table last week from one of my local record stores for the princely sum of $20 with the channel issue known and no cartridge. They had done...
  17. P

    Faulty Channel

    I have been having issues with my HH Scott 370R amp, the left channel does not work properly, neither in the 'B' or 'A' speaker configurations. I sometimes play music through my alexa dot, my CD player, or my turntable... more on that below The Problem: When I turn the amp on, the music...
  18. R

    Pioneer SX-650 Left Channel Failing Only On Phono

    Hi! I have a Pioneer SX-650 receiver I bought just over a month ago, supposedly freshly serviced, from a record store. In the past couple of weeks, the left channel has been falling out randomly. I swapped the L-R on my turntable (Pioneer PL-510A) and the left still fell out, so I know it's in...
Back
Top Bottom