yamaha
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Denon DRA-757 Vs Yamaha A-500
Hello Everyone, Hopefully this isn’t too many questions for one post, it’s always a rabbit hole trying to figure stuff out. I recently pulled a DRA-750 and BX-150 out of what looked like a dungeon at an estate sale. The BX was super clean but needed an assembly transplant from my BX-125 (also...- Faartcoomer
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- denon pma-757 yamaha yamaha a-500
- Replies: 1
- Forum: Solid State
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Am I Being Ureasonable?
I have an "Etiquette" question for anyone who has ever had vintage gear serviced by a local tech. In this case, the tech is a recommendation / referral from a respected high end audio dealer. Let's call the tech, BOB. I called BOB with a dead Yamaha CA-810 Integrated Amp and a working...- mymonkey
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- general advice service tech talk yamaha
- Replies: 79
- Forum: General Audio Discussion
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New to Me Yamaha A-1000 - Heat Issue and Sound Cuts
I was excited to get a Yammie A-1000 that was sold as working. Being too excited, I took it for a spin without any pre-work. Relay clicks, everything seems fine. Basically the sound drops out completely after 30-40 minutes, no matter the output, and its not in class A mode. Temps did not seem... -
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Yamaha R700 Tuner Trouble
Hello Guys, I'm currently working on a Yamaha R700. The power amplifier was shot, so I replaced the 3 hybrid ic modules and a couple of resistors that were burnt and I recapped the whole unit because all caps were leaking. Now that part of the receiver is working very well. Now I’m facing some...- Benjamin01
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- repair tuner yamaha yamaha r700
- Replies: 1
- Forum: Solid State
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Sansui Eight Bass
I recently acquired an excellent condition Sansui Eight and was very excited to fire it up once I finally found a power cord after hearing all the rave about how great this receiver is. To my disappointment I was shocked when I fired it up and it simply paled in comparison to my Sansui 2000x and...- SSTPIERRE
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- bass classic receivers marantz onkyo pioneer restoration restore sansui sansui eight yamaha
- Replies: 6
- Forum: Solid State
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Connecting LOMC to Preamp to Amp Phono?
Hey gang - I've a question about a very specific connection; I've spent a good week scrolling through various sites and not found anything that addresses this specifically, including here . . . but I'm entirely confident that somebody here will know the answer. I'm upgrading my turntable system...- Semionaught
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- a-s701 connections lomc mofi nottingham phono preamp spacedeck yamaha
- Replies: 2
- Forum: Solid State
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Pioneer SX-590 FM STEREO PROBLEM
Hello everyone, i have a Pioneer SX-590 receiver with a problem on FM stereo. when i put it into mono, FM sound is fine, VU meters move.but when i switch to stereo, sound almost inaudible even in high volume, vu meters not moving and stereo light not lighting. pots are all cleaned. aux and other...- nicolas25
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- akai denon marantz onkyo sansui technics yamaha
- Replies: 4
- Forum: General Audio Discussion
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Slider Switch Replacement ?
Anyone know where to get replacement Slider Switches for a Yamaha CR-2040? Thanks!- badspell68
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- cr-2040 yamaha
- Replies: 10
- Forum: Yamaha
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Vintage Audio Receiver Repair in PA or Bucks PA?
Anyone have a recommendation for a QUALITY and EXPERIANCED vintage Audio repair person in the PA or Busks PA area. So many of these shops are sloppy and brutal on vintage equipment and I need the real deal, an engineer repair type. Have a Yamaha CR-2040 that needs Caps replaced and fine tuning...- badspell68
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- repair service vintage yamaha
- Replies: 1
- Forum: General Audio Discussion
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CR-2020 Service Bulletins - Please Help
I am not a technician and need advice on getting upgrades done on two CR-2020s. See “Background” below regarding the our two CR-2020s. Anything will be greatly appreciated. Thank you. A couple of days ago I dug out our two CR-2020 receivers to look further into the speaker protection relay...- SmokedPorter
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- advice cr-2020 electrolytic help needed power supply regulator transistors service bulletin yamaha
- Replies: 6
- Forum: Solid State
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Found Yamaha NS-2000 but in bad shape
This is my first time posting so please be patient with me. I happened to see an ad for a pair of Yamaha NS-2000 for sale in my area for below market price. I was so excited and went over and checked it out this evening but the pair are in bad shape. One of the woofers is disconnected from... -
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Sansui G-4700 Burning Resistors
Hello everyone, i have a problem with my Sansui G-4700. Left channel burns the RESISTORS 01 and 05. I already changed the transistors 01, 03, 05, 07, 09, 11, 13, 15, 17, 19, 21 and 23. i changed also the 470uf 50v capacitor for the left channel. also i changed the VR07 for the bias, capacitors...- nicolas25
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- akai bang olufsen bose bowers & wilkins denon marantz onkyo sansui technics yamaha
- Replies: 8
- Forum: Exclusively Sansui
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Yamaha YP-701 turntable owners - Suspension/parts
Hey all, Read some great info here on what this tt is like. I have one locally come up for sale I'm seriously considering but wanted to ask others experience with parts first. I have a thorens td160 and parts are mostly readily available so i got new spring kit for the suspension. I can't find...- Copeland83
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- turntable yamaha yp-701
- Replies: 0
- Forum: Turntables
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Final manual for the Yamaha Px-3
Px-3 owners, do you think there's a market for the original manual, professionally reproduced? I have the last copy of the px-3 service manual from Yamaha USA. It comes complete with handwritten service notes including part replacement numbers and some other tips. Also has the fold out full...- Dr. Jackson
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- document manual px-3 service yamaha
- Replies: 7
- Forum: Turntables
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Yamaha C4 loses volume in 1 channel
So I recently attempted restoring a C4 and noticed this issue out the box, I was sometimes getting no volume on AUX, or just 1 channel, but switching to Tuner solved it so I assumed it was an Aux input issue or dirty contacts during the recap I did a test half way through and had volume in both... -
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Yamaha p-520 turnrable not spinning?/how does a direct drive motor even work?
I have made a post about this before but sadly did not receive any replies. I have a fairly simple direct drive turntable made by yamaha. However it doesn't spin. I replaced the caps and tested all the other parts in the circuit but to no avail. I think it probably has something to do with the...- TrevorBarten
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- direct drive help repair yamaha
- Replies: 5
- Forum: Turntables
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Yamaha YP-B2 turntable belt replacement issue
I'm having trouble getting the plate of the turntable to release so I can replace the belt. I just took this baby out of storage and have not replaced a belt on this unit before. Videos I see show it just being lift up. When I pull up from the two round finger holes, the plate feels like it's...- johnwe
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- belt belt drive belt replacement turntable yamaha yp-b2
- Replies: 9
- Forum: Turntables
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Yamaha C-4 starts playing after a few minutes
Dear All, First of all I want to wish to everyone Happy New Year fulfilled with health and happiness! For the holidays finally I managed to get one set of dreamed: Yamaha C-4 and M-4. The condition of both units is not mint but it is also not bad at all. My whole setup now is: PC -> USB DAC... -
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Yamaha M-65 protection mode - seeking help
Hello all! I have a M-65 that recently went into protection mode and won't get out of it. I'd really appreciate some guidance on getting it fixed. I'm not nearly as experienced as most of the people who post here are, but I have tools and the schematics and I'm willing to learn. I've never...- tocomplero
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- m-65 protection circuit yamaha
- Replies: 33
- Forum: Yamaha
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YAMAHA PC4002 bias current(voltage)?
Hello I am writing from Japan. Please excuse my poor English. I am doing maintenance on YAMAH PC4002. Please let me know the bias current value of PC4002. The outlet voltage in Japan is 100V. When I measured it before adjustment, it was about 2.5mV. Connect the tester to the test point, Rch... -
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YAMAHA PC4002 bias current(voltage)?
The same title has already been posted in English. This post is closed. -
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Looking for AK Tech or advice - Yamaha M-70
Greetings All, Been doing some reading over the last months and year since I joined. I purchased an M-70 restore kit from eBay in hopes of repairing this device (in protection), but I just do not have the time, so I'm willing to spend some money on it since I spend the rest of my time working...- SilentHatch
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- c-70 m-70 m70 restore tech vintage yamaha yammie yammies
- Replies: 27
- Forum: Yamaha
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Yamaha Champagne Gold
Anyone been able to determine how to achieve this finish?- Yamaha5000
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- anodize anodized aluminum yamaha
- Replies: 2
- Forum: Yamaha
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YAMAHA CR-620 receiver not enough base, any suggestions.
About a month ago I got YAMAHA CR-620 (1977) in mint condition, fantastic looking piece with minimal design, all I had to do is to replace lights, it has great high and mid range, but lows are my question. It's my first vintage Yamaha receiver, so I'm trying to learn more about it and get more... -
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JVC 4MM-1000 Receiver left channel is weaker
hello mates, i have a problem with my JVC 4MM-1000 receiver, left channel sounds weaker. i already cleaned all pots and switches but still the same. any idea where to look at first? thanks- nicolas25
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- akai bose bowers denon marantz onkyo sansui technics yamaha
- Replies: 0
- Forum: General Audio Discussion