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troubleshoot

  1. J

    Sanyo TP-1012 Problems

    I picked up a Sanyo TP-1012 at a thrift store today and am having the following problems: Tonearm will not lift during auto return. I can lift it manually just fine. Tonearm lifter has lost dampening. Warped platter. Not sure if there is a real fix to this, but I thought I'd make it known...
  2. J

    Fender Blues Deluxe - Troubleshooting and Repair Adventure

    While I generally do not work on re-pop's or Hybrids, I decided "Why not" so here goes.......... This is a Blues Deluxe, a modern amplifier that has tubes in it is the only way to describe it. This is not a pleasant device to work on. Given that the problem was described as a power...
    • JRUBIN
    • Thread
    • fender blues deluxe repair troubleshoot
    • Replies: 2
    • Forum: Tube Audio
  3. A

    Technics Stereo Cassette Desk 615 Troubleshoot

    Hey Guys, Thanks for accepting me into the community. I picked up one of these cassette players for pretty cheap on eBay, and it worked for a few months. I just moved, and when I plugged it back in, the left speaker level meter went wild, creating a distinct ringing. I'm new to all this stuff...
    • Alex Herbert
    • Thread
    • cassette deck sound quality technics troubleshoot
    • Replies: 5
    • Forum: Tape
  4. Aaron99

    Marantz 2265: Partial restoration. Distortion on left side. *Resolved

    I have a 2265 that has been sitting in the stack waiting its turn. I plan on restoring it to listen in my garage. Physical inspection looks good. All three tone pots are stuck. Powered up on DBT, the lights are very green, there is a slight hum. Left channel is distorted in speakers, not in...
    • Aaron99
    • Thread
    • 2265 distortion marantz recap restore troubleshoot
    • Replies: 10
    • Forum: Marantz Audio
  5. audiodactic

    Pioneer SA-7500ii left chan distortion

    Hi, everyone. I decided to start an account here because I'd find myself here anyway when I would search for audio advice online. But see here's the thing guys/gals... I work at a record store and repair shop. The owner is a cool guy but the tech is reluctant... excuse me, refusing to teach me...
    • audiodactic
    • Thread
    • distortion diy integrated amp integrated amplifier oscilliscope oscilloscope pioneer sa-7500 pioneer sa-7500ii receiever troubleshoot
    • Replies: 9
    • Forum: Solid State
  6. chosen

    Realistic SA-2001 Relay not clicking on.

    My SA-2001 has been showing the age of its caps/resistors and connections. Over the past 5 months or so I've had to leave my amp on 24/7 due to the relay sluggishly/not at all powering on. I did another once over with detoxit yesterday to rectify the issue but it seems like I might have to...
  7. J

    Fender Deluxe Reverb -Tube malfunction takes out screen resistor

    The shop amp is back on the bench for repairs after an event during use which was a loud pop followed by red plating of a finals tube. The amp was shut down and the tube replaced but to no avail. There was nothing more to be heard from it. I focus my troubleshooting with a visual...
    • JRUBIN
    • Thread
    • 6v6 bias fender deluxe reverb hickok 6000 matching repair resistor screen troubleshoot
    • Replies: 6
    • Forum: Tube Audio
  8. wildfire4070

    Pioneer CT-W501R isn’t working

    hello I recently purchased a pioneer CT-W501R cassette deck from goodwill for $8. I bought it then plugged it in to test it out. To no surprise, I could here the motor moving but no movement from the reels indicating bad belts. I’ve since replaced the belts but this is where I ran into...
  9. M

    Technics SA-424 left channel problem, desperately need ways to fix

    So a couple days ago i picked up this technics sa-424, a very pretty looking receiver. However, after i had set it up and got everything going, I noticed that there was little to no sound coming from the left speaker. The most sound i could get out of the left speaker was barely noticeable even...
    • Manageman14
    • Thread
    • fixing help needed left channel left channel not working receiver advice receiver repair repair help technics technics sa-424 troubleshoot
    • Replies: 0
    • Forum: General Audio Discussion
  10. M

    Tuner on Harman Kardon HK430 silent

    Hello, I am looking for some technical help from a good soul. I posted this thread a few months ago but no visitor seemed to have enough knowledge of tuner electronics; therefore this new attempt. FM reception on my HK 430 receiver stopped working after a couple months of perfectly fine...
    • mqtthiqs
    • Thread
    • harman harman kardon harman kardon 430 hk hk 430 troubleshoot troubleshooting tuner
    • Replies: 10
    • Forum: Tuners
  11. C

    Troubleshooting Panasonic 7671 - Phono

    Hello everyone, I'm having an issue with my phono setting on the Panasonic 7671 receiver. AM/FM work and sound great. When I plug the input to the phono to the receiver from the JVC L-F41 turntable with a Empire LTD 400 cartridge (probably 25-30 years old). When hooked up to the phono, I get...
    • cjs
    • Thread
    • 7671 jvc no sound not working panasonic receiver troubleshoot troubleshooting turntable
    • Replies: 6
    • Forum: Solid State
  12. M

    [HELP] NOISY PRO-JECT CARBON

    Hello, I have a new(ish) Pro-Ject Carbon turntable that has a very noisy motor. The motor is suspended, "shipping" screws have been removed, and it begins to make noise nearly immediately. Any advice is welcomed! It is so loud it is unusable. I have attached a .gif hoping it will allow...
    • MPB
    • Thread
    • anyhelp help motor noise noisy motor please pro-ject pro-ject carbon troubleshoot turntable
    • Replies: 42
    • Forum: Turntables
  13. Lewis Biggs

    Help Troubleshoot Main Amp Board on Marantz 2216

    Last night, I successfully (to a certain point) recapped my 2216. It sounded good, but I could not leave well enough alone. I decided to check/adjust the voltage across resistors R735 and R735 per the manual. I got a little careless with the probe (easy to do) and, while the unit was powered...
  14. Aaron99

    Marantz 2010 project won't power on, need help troubleshooting

    Recently I have acquired a Marantz 2010 in decent cosmetic condition. It was known when I purchased it that it would not power on. I put it on a DBT and I get no light at all. Do I need a less wattage bulb, it currently is a 75Watt incandescent. I have used the DBT successfully testing my...
    • Aaron99
    • Thread
    • dead fix marantz 2010 project recap restoration troubleshoot
    • Replies: 40
    • Forum: Marantz Audio
  15. R

    Receiver pops, flickers when turned on

    Hello, I'm seeking some help on a problem I'm having with a receiver. It's a Realistic STA-85 and when I turn it on, the lights flicker and there is a hum and pops in the speakers. It only happens for a short time (10-30 secs) but the pops are so bad they blew out some of my woofers! RIP I have...
    • revinyl
    • Thread
    • realistic receiver troubleshoot
    • Replies: 5
    • Forum: Solid State
  16. Aaron99

    Marantz 2220: Need help troubleshooting hiss

    I have been working on restoring a Marantz 2220. AK link to restore. Overall it sounds pretty good. I notice that there is more hiss (than my other Marantz units) when the volume is all the way down. It does not matter which input selection it is on (AM/FM/PHONO/AUX) the hiss is there at 0...
  17. S

    EFB installation trouble

    Today I attempted to install an efb board following as closely as possible to the "modifiy the fisher 400 with efb" forum. I followed the schematics as close as I could also looking at pictures as well as I could to make sure things were in the right spot anyways, I fired up the receiver and...
    • streetwise
    • Thread
    • efb fisher 400 modification troubleshoot
    • Replies: 16
    • Forum: Fisher
  18. chosen

    Realistic SA-2001

    Hey guys, just wanted to post a few pics of my successful cleaning/repair of my SA-2001. A couple years back the right channel started to drop DB's, slowly. The sound proceeded to get more washed out and flat as time went on. Frustrated I shelved the amp hoping i'd figure out a way to repair it...
    • chosen
    • Thread
    • 1979 detoxit realistic repair sa-2001 solid state troubleshoot
    • Replies: 2
    • Forum: Solid State
  19. B

    Crackling Mystery

    I have a Pioneer Elite VSX-49 (just 49, not TX or TXi) which I have had for several years. All of a sudden I started getting a cracking out of a single channel. Here are the symptoms ... 1. The cracking is only one in one channel 2. The cracking is independent of any control on the front panel...
    • baronep
    • Thread
    • channel problem crackling diy elite pioneer repair repair help troubleshoot troubleshooting
    • Replies: 1
    • Forum: DIY
  20. D

    Trouble with a Technics SU-V85A

    Hi! I've been trying to repair a technics su-v85a with a few problems. When I first got it it worked but the sound was awful so I went for a complete recap. That's when it really all went bad. I powered it up, set bias for voltage and current drive amp and let it sit for a while. After 25...
    • depaj
    • Thread
    • technics su v85a troubleshoot
    • Replies: 4
    • Forum: Solid State
  21. aerospac3

    SX-750 Intermittent Relay Shut Off

    Hi fellas, Been trying to search the forums for answers, but I'm stuck and forced to make a new thread. Regardless of channel, load, or speaker setting(A vs. B vs. A&B), my SX-750 relay keeps shutting off and turning back on again at random intervals. While the relay is engaged, the amp sounds...
    • aerospac3
    • Thread
    • pioneer repair sx sx series sx-750 troubleshoot
    • Replies: 14
    • Forum: Pioneer Audio
  22. R

    HDMI Buzz (Ground loop??) when connecting Laptop to Yamaha RX-V375

    Hey guys, so I've got an issue with buzzing from my speakers when I connect my laptop to my receiver via HDMI cable. My set-up is as follows... Outlet --- surge protector --- RX-V375 --- TV, PS4, 5.1 speaker set-up, HDMI cable for laptop The issue is, the buzzing only happens when I plug in my...
  23. S

    Pioneer SX-3800 2.5a fuse blowing

    This receiver stopped working properly recently under normal conditions. When I replace the 2.5a fuse the unit lights up for a moment and the fuse pops. Im having no luck troubleshooting this unit can anybody offer some ideas?
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