Unknown component
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Location: HELLYER, TAS
Member since 23 August 2019
Member #: 2381
Postcount: 11
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I an currently restoring a HMV D33A and am unsure of a componant it is 10/12mm square and about 4mm thick ,i think it is a capacitor it has 150 printed on it just wondering if anybody knows what I am talking about.
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Location: HELLYER, TAS
Member since 23 August 2019
Member #: 2381
Postcount: 11
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Just to follow on it is brown plastic I have contacted admin to upload picture to make discription a bit clearer
Cheers
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Location: Brisbane, QLD
Member since 18 September 2010
Member #: 102
Postcount: 301
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5389
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Highly probable: If there is a circuit it should be on it.
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Location: HELLYER, TAS
Member since 23 August 2019
Member #: 2381
Postcount: 11
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Thanks I was sure it was a cap but not sure on the value as I dont have the schematics
On the schematics would anybody have the schematics fot this model D33A or know where I could get them
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Location: Sydney, NSW
Member since 28 January 2011
Member #: 823
Postcount: 6761
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If you unhide your email address via Control Panel I'll send you the schematic and notes.
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Location: HELLYER, TAS
Member since 23 August 2019
Member #: 2381
Postcount: 11
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Thank you
Email is now visible
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Location: Sydney, NSW
Member since 28 January 2011
Member #: 823
Postcount: 6761
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Location: HELLYER, TAS
Member since 23 August 2019
Member #: 2381
Postcount: 11
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5389
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The only 150uμF I see is C33 on the pickup circuit.
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Administrator
Location: Naremburn, NSW
Member since 15 November 2005
Member #: 1
Postcount: 7395
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Photo uploaded.
‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...
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Location: Latham, ACT
Member since 21 February 2015
Member #: 1705
Postcount: 2174
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Definetely a MICA . Dont worry about changing it. They are usually ok.
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5389
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OK depends on how well the solder takes? Iffy, is what I would call it: Here it would be replaced.
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Location: Brisbane, QLD
Member since 18 September 2010
Member #: 102
Postcount: 301
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I'm with Marcc, I replace them every time.
In the words of Warwick Woods, AVRS President
" The failure mode only occurs when one side of the capacitor is connected to a high voltage and the other to a low potential point or ground.
As a general rule they need to be treated with suspicion and, to be on the safe side, replaced."
https://www.justradios.com/captips.html
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