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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="Tony Kightley" data-source="post: 258444" data-attributes="member: 238506"><p>Thanks, Llew, for the excellent circuit diagram. My receiver has suffered failure of D16 and D17, which are easy to deal with - though procuring relacements might not be easy. Cricklewood has P6KE180A which I will need to check to see if it is a suitable replacement.</p><p>However, the 'hot spot' you refer to under R3 is bad. But, worse, the colour coding on R3 is yellow, yellow, black, yellow, yellow. The value measures as 18.8k which is, obviously, wrong and, so, it must have risen in value due to intense overheating. (In fact, I suspect the yellow bands may, once, have been orange!) So, please can you let me know the value of R3. I guess it is 33 ohms. Thanks.</p></blockquote><p></p>
[QUOTE="Tony Kightley, post: 258444, member: 238506"] Thanks, Llew, for the excellent circuit diagram. My receiver has suffered failure of D16 and D17, which are easy to deal with - though procuring relacements might not be easy. Cricklewood has P6KE180A which I will need to check to see if it is a suitable replacement. However, the 'hot spot' you refer to under R3 is bad. But, worse, the colour coding on R3 is yellow, yellow, black, yellow, yellow. The value measures as 18.8k which is, obviously, wrong and, so, it must have risen in value due to intense overheating. (In fact, I suspect the yellow bands may, once, have been orange!) So, please can you let me know the value of R3. I guess it is 33 ohms. Thanks. [/QUOTE]
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Schematic For Echostar AD3000ip Power Supply
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