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Tech Head - The Technology Section
The Work Bench and Soldering Station
Echostar AD3000IP Viaccess - Audio problem
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<blockquote data-quote="Llew" data-source="post: 530661" data-attributes="member: 175007"><p>That's the audio in circuit from pin 6. You want pin 3 (remember the scart lead crosses over pin 6 and pin 3.)</p><p></p><p>Pin 3 goes to the audio/video switch CXA2078Q via R629/CE728 to switch pin 30 (left audio out).</p><p></p><p>May be easier to check the output audio of the switch using an amplifier (a PC speaker's amp with suitable probe on the leads to check the switch's IC pins).</p><p></p><p>Switch Pin 30 - left audio out to VCR scart via CE628/R629.</p><p></p><p>Switch Pin 49 - left audio out to TV scart via R626/CE 625.</p><p></p><p>Llew</p></blockquote><p></p>
[QUOTE="Llew, post: 530661, member: 175007"] That's the audio in circuit from pin 6. You want pin 3 (remember the scart lead crosses over pin 6 and pin 3.) Pin 3 goes to the audio/video switch CXA2078Q via R629/CE728 to switch pin 30 (left audio out). May be easier to check the output audio of the switch using an amplifier (a PC speaker's amp with suitable probe on the leads to check the switch's IC pins). Switch Pin 30 - left audio out to VCR scart via CE628/R629. Switch Pin 49 - left audio out to TV scart via R626/CE 625. Llew [/QUOTE]
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Echostar AD3000IP Viaccess - Audio problem
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