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Question about metering the cardas power wire

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icefireman 發表於 2008-5-11 00:28:07 | 顯示全部樓層 |閱讀模式
Hi all,

I have a problem.  I have a brand new 3ft cardas powder cables (for internal use) for hooking up new my ucd amp.  But the meter (in Ohm) could not read anything when I hook up both ends.  Even I hook them up in a short distance like a few mm, the reading is none.  Anyone can tell me this cable is working or not.  Thank you.

Icefireman
accphoto 發表於 2008-5-11 07:28:26 | 顯示全部樓層
的線係漆皮線,你要用錫和焊槍煲的線耐的,的漆就會熔,咁先通電。
 樓主| icefireman 發表於 2008-5-11 11:07:25 | 顯示全部樓層
How long do I need to 煲的線?  I already to use 錫和焊槍煲的線. But my meter still doesn't have reading.  If any big bro can help, please call me 90123835.  I think it is easier to explain on the phone.  Thank you all.

Icefireman
accphoto 發表於 2008-5-11 12:55:25 | 顯示全部樓層
Do you have a high temperature iron or 70W iron?  normally, you can   put  a lot of Tin on the wire and let the tin stay with the iron and the wire  for quite a while, you will see the paint melt, Take away the old tin and apply the new tin on the wire. Alternatively, you can use a sand paper, sand the wire until you see the copper. I do not like this as this will damage the copper surface.If you still have trouble, pm me and I will call you.
 樓主| icefireman 發表於 2008-5-11 14:20:05 | 顯示全部樓層
First of all, I only have a 40W iron.  How much for the 70W iron?  And I used sand paper, after that, the problem is fixed.

And there is another problem.  Because I try to replay the signal cable (the silver color one which KK helped me to make it, that's why I don't know the construction) in the UCD amp.  But I don't know how to wire it because one end had only 2 wires, and the other end had 3 wires.  Do you know how to make it, Accphoto?  Many Thanks!!!

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kk_ho 發表於 2008-5-11 14:57:30 | 顯示全部樓層
ICE,

Assume you are using 1 wire 1 shield cable

UCD board side --> RCA
Signal +  -->  RCA +
Shield cable --RCA -
Shield cable -- RCA -
Enable pin -- PSU Enable pin

Assume you are using 2 wire 1 shield cable
UCD board side   --> RCA
Signal +  -->  RCA +
Shield cable --RCA -
Signal -  -- RCA -
Enable pin -- PSU Enable pin

KK
93067521


[quote:0366d91a7d="icefireman"]First of all, I only have a 40W iron.  How much for the 70W iron?  And I used sand paper, after that, the problem is fixed.

And there is another problem.  Because I try to replay the signal cable (the silver color one which KK helped me to make it, that's why I don't know the construction) in the UCD amp.  But I don't know how to wire it because one end had only 2 wires, and the other end had 3 wires.  Do you know how to make it, Accphoto?  Many Thanks!!![/quote]
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