diamond d5 600.1, protect has 8.96vdc on speaker terminals. - diyAudio
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Old 18th March 2013, 03:31 AM   #1
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Default diamond d5 600.1, protect has 8.96vdc on speaker terminals.

I got a diamond d5 600.1 that has both green and red (protect) LEDs on when given power. I measured 8.96dc on the speaker terminals. Below are my readings...if anything is "un readable" let me know so i can clarify.


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9 pin read out, from left to right on my notes that are pictured above.

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The read outs on my notes for the outputs (q108-115) are from pin 1 (left), pin 2 (center), pin 3 (right...last number). Hope it's not confusing.

Last edited by evianamp2011; 18th March 2013 at 03:36 AM.
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Old 18th March 2013, 04:09 AM   #2
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Post a photo of the vertical board and one of the entire board.
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Old 18th March 2013, 05:08 AM   #3
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14 pin ic on vertical board is a "14013b" & 8 pin ic on vertical board is a "s393f 118"
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And this is what i found near c321 (80v 1000uf) don't know if it's electrolytic juice our just dirt.

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Old 18th March 2013, 05:08 AM   #4
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if you need clear pictures of certain areas please let me know and I can take some and post them.

Last edited by evianamp2011; 18th March 2013 at 05:11 AM. Reason: edit.
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Old 18th March 2013, 05:16 AM   #5
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Also notice this trace was cut, seems like a ground.
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Looks like it's a factory revision, not sure though
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Old 18th March 2013, 05:38 AM   #6
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Looks like the "kelna" caps leaked...hmmmmm i wonder why.
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Old 18th March 2013, 06:32 AM   #7
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Did you check the output transistors for broken legs and shorted transistors?

If so, post the DC voltage on all pins of the LM837.
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Old 18th March 2013, 06:47 AM   #8
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I found a shorted output (q114) and maybe q115 . But looking at the output's sink case half of them looked distressed (q112-115) the other half looks okay.
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Old 18th March 2013, 07:11 AM   #9
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It's likely that the 4080 has failed as well. If you have to order parts, order a new 4080.
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Old 18th March 2013, 12:06 PM   #10
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OK, will do.
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