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Tech Head - The Technology Section
The Work Bench and Soldering Station
Schematic For Echostar AD3000ip Power Supply
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<blockquote data-quote="component1" data-source="post: 158959" data-attributes="member: 200898"><p>Llew,</p><p>Thanks for the excellent work you did on drawing the power supply for the Echostar AD3000ip. I have now been able to repair a friends' receiver without having to laboriously go through the task of mapping it out which is very time consuming as I have done this before.</p><p>Two faults were located. </p><p>1. Motor error caused by a faulty M Pulse diode D16. This is a P6KE6.8A Transient Voltage Suppressor for future reference (so is D17).</p><p>2. A fault in Q4. This was a 2SC2328A in my machine which I was able to replace with a 2SC3205. The 2SC series are getting harder to get hold of these days.</p><p></p><p>There was a small difference with your drawing. The emitter of Q4 went to CN2/14 and not direct to earth on this receiver.</p><p></p><p>Many thanks again <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="component1, post: 158959, member: 200898"] Llew, Thanks for the excellent work you did on drawing the power supply for the Echostar AD3000ip. I have now been able to repair a friends' receiver without having to laboriously go through the task of mapping it out which is very time consuming as I have done this before. Two faults were located. 1. Motor error caused by a faulty M Pulse diode D16. This is a P6KE6.8A Transient Voltage Suppressor for future reference (so is D17). 2. A fault in Q4. This was a 2SC2328A in my machine which I was able to replace with a 2SC3205. The 2SC series are getting harder to get hold of these days. There was a small difference with your drawing. The emitter of Q4 went to CN2/14 and not direct to earth on this receiver. Many thanks again :) [/QUOTE]
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Miscellaneous Sections
Tech Head - The Technology Section
The Work Bench and Soldering Station
Schematic For Echostar AD3000ip Power Supply
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