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Carver TFM-35x

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tanner88

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Joined: Wed Dec 22, 2010 11:27 am

Post Wed Dec 22, 2010 11:51 am

Carver TFM-35x

Hello guys,

I am very new to this site/forum and will be lucky if I find my answer to my question. But I will try anything to
get an idea of whats going on. I have a TFM-35x that I have had for years. It has always worked.....minus the one time
the lights stopped working. That was a quick fix.......but now my amp appears to be not working. It powers up but after a few seconds I hear a click and then every......lets say 20 or 30 seconds it clicks again. Lights still work but no output. Any suggestions to try?
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erniejade1

User avatar

TFM-35

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Location: Bolingbrook IL

Post Wed Dec 22, 2010 12:35 pm

Re: Carver TFM-35x

Have you checked and made sure you dont have any speaker wires touching? disconnect the speakers and see if it stays on.
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tanner88

Newbie

Posts: 6

Joined: Wed Dec 22, 2010 11:27 am

Post Wed Dec 22, 2010 1:35 pm

Re: Carver TFM-35x

this with no RCA cables connected or speaker wires. Just the power cable plugged into the wall.
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TNRabbit

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Post Wed Dec 22, 2010 1:54 pm

Re: Carver TFM-35x

The protection circuit is engaging so sounds like it might be rebuild time..
TNRabbit
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tanner88

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Joined: Wed Dec 22, 2010 11:27 am

Post Wed Dec 22, 2010 2:13 pm

Re: Carver TFM-35x

is there anyway to check it? Any idea what the run to repair?
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jjptkd

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Location: Snohomish, WA

Post Wed Dec 22, 2010 2:46 pm

Re: Carver TFM-35x

Those are great amps when they work but usually cost too much to repair. I talk with Rita at Rita's Vintage Audio all the time and she's warned me in the past to steer clear of the 35x and the 55x. They're repairable but it can take numerous hours of bench time.
Sunfire TGP-III
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elgrau

SILVER-7 TUBE AMP

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Joined: Wed May 31, 2006 9:33 pm

Post Wed Dec 22, 2010 4:17 pm

Re: Carver TFM-35x

Might want to just snag another "near mint" one on ePray. Lot's of time the 35x's go for pretty cheap...
Family room: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
Living room: AudioQuest Black Mamba 8M IC's from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 8" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-705x 5 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: TLM-3600 CDP to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.
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tanner88

Newbie

Posts: 6

Joined: Wed Dec 22, 2010 11:27 am

Post Wed Dec 22, 2010 4:27 pm

Re: Carver TFM-35x

Thanks for the heads up, I defiantely will keep all this in mind for the future. I am off tommorrw and will break out my
2 channel scope and signal generator and see if anything is coming out at all or if the speaker output relays are tripping and kinda go for there. Who knows maybe I will put it on e-bay for parts. Thanks for your help.
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tanner88

Newbie

Posts: 6

Joined: Wed Dec 22, 2010 11:27 am

Post Thu Jan 13, 2011 2:38 pm

Re: Carver TFM-35x

I havent got it fixed yet but its not actually totally broke either. Very intermittent problem. Took the cover off and did some cleaning of a little dust out and it stopped the click, click deal. but when I bumped my elbow on the side of it by accident...it started again. I checked all the connections and everything appears solid. I kinda did the tap test here and there and it appears that there is one transistor in the back that when touched it goes into protection mode (click, click) and if you apply slight pressure to the top of it for about 3 seconds or so the protection circuit resets and doesnt come back until you disturb the unit again. That was a week ago. Ever since then the amp has been turned on
for 8 to 10 hrs at a time and woeks just like always. I am thinking of taking the board out and replace/or resolder the transitor but like I said its okay for now. Anyone seen this type of intermittent problem??
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kingman

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Post Thu Jan 13, 2011 2:42 pm

Re: Carver TFM-35x

Sounds like broke soldier.
In reality, it only matters what it sounds like to YOU!!!
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angelod307

SILVER-7 TUBE AMP

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Location: manning, sc

Post Fri Jan 14, 2011 12:03 am

Re: Carver TFM-35x

hello. for the price of parts and shipping, i could and would try to fix it for you. no promises as i am just starting out in the repair arena of life and would do it for nothing other than the experience. i already have four tfm35's that work, so i would have many working models to work against. i could even do a refurb on all the caps while i am at it. just for your consideration. cheers angelo.
CarverFest: I just go for the arts and crafts
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tanner88

Newbie

Posts: 6

Joined: Wed Dec 22, 2010 11:27 am

Post Mon Jan 31, 2011 11:09 am

Re: Carver TFM-35x

I was basically wanting the amp to be in good for sell shape. I was gonna sell it before all this started and not sure what to do at this point. I am thinking of just selling it as is but dont want to screw someone in the process, or get screwed and not get anything out of it. It has been working fine for the last three weeks and I thinking it just has some connection issue....cold solder joint or something like that. I was gonna take the board out and re-flow the board but havent decided if I want to take the time for that.
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jjptkd

User avatar

SILVER-7 TUBE AMP

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Joined: Wed Sep 22, 2010 4:50 pm

Location: Snohomish, WA

Post Mon Jan 31, 2011 11:13 am

Re: Carver TFM-35x

You can list items on eBay for parts or repair, no returns. Describe its condition so people can bid accordingly, good luck!
Sunfire TGP-III
Sunfire 405x5
PS Audio DL-III DAC
(2 Pairs) Klipsch Chorus II's
Klipsch RSW 15
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rah

M-400t CUBE

Posts: 150

Joined: Sun Jan 02, 2011 9:51 pm

Location: Houston TX

Post Mon Jan 31, 2011 1:47 pm

Re: Carver TFM-35x

jjptkd wrote:Those are great amps when they work but usually cost too much to repair. I talk with Rita at Rita's Vintage Audio all the time and she's warned me in the past to steer clear of the 35x and the 55x. They're repairable but it can take numerous hours of bench time.

What have you heard about the repairability of the a-500x and a-760x?
My office (and only) system:
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kingman

User avatar

(pair of) SILVER-7 TUBE AMPs

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Joined: Sun Nov 30, 2008 2:10 pm

Location: Upstate South Carolina

Post Mon Jan 31, 2011 1:56 pm

Re: Carver TFM-35x

jjptkd wrote:Those are great amps when they work but usually cost too much to repair. I talk with Rita at Rita's Vintage Audio all the time and she's warned me in the past to steer clear of the 35x and the 55x. They're repairable but it can take numerous hours of bench time.

Why would the "X" versions cost more to repair and take more time when the only differences I know of is they have no variable input level adjustment and the output I think is set different??? :?
In reality, it only matters what it sounds like to YOU!!!
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