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Old 18th May 2017, 01:02 PM   #1
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Default first time build TSE45 need help

I start follow Tubelab Assambly Manual . First time with no tube on PCB when I switch on R5 have a flash and smoke I don't know why ? I double check on PCB I can't find what the problem.

Plase help me to fix my TSE.
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Old 18th May 2017, 01:10 PM   #2
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Last edited by first_1st; 18th May 2017 at 01:16 PM.
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Old 18th May 2017, 01:14 PM   #3
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Old 18th May 2017, 02:51 PM   #4
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Looks to me like U2 & U3 are backwards. Possibly Q1 & Q2 also
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Old 18th May 2017, 02:55 PM   #5
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Take a close look @ D1 & U1 also. When you flip these think about orientation.
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Old 18th May 2017, 03:08 PM   #6
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Now I must change U2,U3,Q1,Q2,D1,U1 to the new one right?

How to measure which one are already dead?
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Old 18th May 2017, 03:52 PM   #7
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Don't have a clue how to measure. I'll take a pic of mine so you can compare them to yours . I have D1 & U1 installed on the top of the pcb and bent over. I'll bet this is your problem area.
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Old 18th May 2017, 04:40 PM   #8
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pics

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I tried using 'manage subscriptions' to upload but no good.
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Old 18th May 2017, 05:52 PM   #9
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another question? my 4 pin tube socket not have number please check for me?
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Old 19th May 2017, 02:05 AM   #10
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big pins on the right. looks ok from here
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