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Open Power Transformer in a Technics SL-D2 TT. Anyone know the sec voltage?

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4 Suggested Answers

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SOURCE: Yamaha RX-V420 No power

If the standby voltage exists, the next step is to see whether or not the clock is working. Find the main micro chip. There should be a 3 legged crystal close by. You should see this oscillate (use a scope). No oscillation = no micro control = no turn on. It is possible that the micro is bad or the crysal is bad. Also, check to be sure that the output transistors are not shorted. It is also possible that these are preventing the system from turning on.
Dan

Posted on May 12, 2008

informatica
  • 1113 Answers

SOURCE: i picked up a technics

Hi - I got the manual for the SL-1100 (which I guess is close enough) from the following site:

http://www.vinylengine.com/

It has a schematic:

56ad242.jpg

So your guess of 18 volts was spot on!

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

Posted on Sep 06, 2008

j2easy
  • 152 Answers

SOURCE: Pioneer SX-203 power transformer ATS1526 secondary voltage???

just a question.1st.. if you don't know what you should have... then what are you going to do... if it's lower or higher ... seems like you should have a print before you go looking...go check at the off and on switch for the standby .. 9v more or less to trip the relay to turn the sys. on... now get a print...or go backwards to the transformer to see if it's blown. or something in between is open

Posted on Dec 11, 2009

  • 506 Answers

SOURCE: will not power up

There should be a fuse between the switch and the primary. Have you verified that there is voltage on the primary or checked the continuity of the mains fuse?

Posted on Feb 09, 2010

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Hi - I got the manual for the SL-1100 (which I guess is close enough) from the following site:

http://www.vinylengine.com/

It has a schematic:

56ad242.jpg

So your guess of 18 volts was spot on!

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

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Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

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