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490t leaking caps??

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MRHP

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TFM-75

Posts: 928

Joined: Wed Jan 18, 2012 2:36 pm

Location: Buzzard Creek Ky

Post Sun Mar 25, 2012 10:07 pm

490t leaking caps??

I bought a second 490t and of course had to take the lids off and compare. After hearing about leaky caps on the sunfire amps I looked close and noticed on my original 490t there are some things (caps?) with a brown substance leaking out on to the board. Can a cdp have leaky caps? And while Im asking can a TFM-75 have leaky caps?
TFM-75 serial #0001
PT-2400 serial #0001
Baby Black serial #0001
Baby Black serial #0002
Bone Stock Lightstar
Vintage Hi-Fi modified Lightstar
Cherry/260's
Carver 490t
Sunfire Tube preamp
ProJect TT Tube preamp
DENON DP-62L TurnTable
DQ-20's
Douglas Cables
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OK ERIC, LET GO OF THE MOUSE AND BACK AWAY FROM YOUR PC WITH YOUR HANDS IN THE AIR. NOW SLOWLY LAY FACE DOWN ON THE FLOOR!!!! - Snoop65
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mbskeam

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SILVER-7t

Posts: 1991

Joined: Mon Jan 25, 2010 2:32 am

Location: Woodinville Wa

Post Sun Mar 25, 2012 10:35 pm

Re: 490t leaking caps??

the brown you see may be glue. is this substance really stuck to the board?
as all the carver gear is 20yrs plus old, the electrolytic caps can leak or start to break down, which ones is hard to say.
I recapped my 75's power supply, not that I found any that had signs of leaking.
got pics

ps
one of my 45 amps had one of the big power supply caps let go and a 15 had a few leakers
Mbskeam


#1 BLACK BEAUTY's made by the man, the myth, the legend Bob Carver
CARVER: TFM-75, TFM-45(3), SD/A-490T
SUNFIRE: Tube pre
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MRHP

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TFM-75

Posts: 928

Joined: Wed Jan 18, 2012 2:36 pm

Location: Buzzard Creek Ky

Post Mon Mar 26, 2012 8:42 am

Re: 490t leaking caps??

My original 490 board has the "stuff" on it. The new to me 490 is clean. Ill get some pics up maybe tonight.
TFM-75 serial #0001
PT-2400 serial #0001
Baby Black serial #0001
Baby Black serial #0002
Bone Stock Lightstar
Vintage Hi-Fi modified Lightstar
Cherry/260's
Carver 490t
Sunfire Tube preamp
ProJect TT Tube preamp
DENON DP-62L TurnTable
DQ-20's
Douglas Cables
More Douglas cables
OK ERIC, LET GO OF THE MOUSE AND BACK AWAY FROM YOUR PC WITH YOUR HANDS IN THE AIR. NOW SLOWLY LAY FACE DOWN ON THE FLOOR!!!! - Snoop65
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F1nut

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SILVER-7 TUBE AMP

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Joined: Tue Nov 11, 2003 3:31 am

Location: The Mars Hotel

Post Mon Mar 26, 2012 6:37 pm

Re: 490t leaking caps??

Can a cdp have leaky caps? And while Im asking can a TFM-75 have leaky caps?


Any electrolytic cap can and will leak given enough time.
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