Question about Pioneer CDJ-850 CD PLAYER
Cdj 850 is not powering up.It was in well running condition only opened it for cleaning the jog.After that when plugged in and turned on the Standby light flashed for few seconds then its not turning on. Please Help...
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Posted on Jan 02, 2017
SOURCE: Pioneer CDJ-800MKII
Hi, if this cdj 800 mk2 is not loading or it keeps ejecting discs i would suggest you contact your local pioneer repair agent as this is a common fault with the players at the moment and there is a fix for it but you need a special jig to set up a laser replacement and only the pioneer agents have this jig or your player needs a software update but the software update is done via a cdr disc in your case your player isnt reading discs at all so its likely you need a laser pick-up replacement. hope this helps you. regards. paul.
Posted on Sep 04, 2007
Sounds to me like your platter on the jog wheel is stuck in the engaged position. You have to open up your unit and take apart the jog wheel. In there you will find some spring things (don't quite remember what they look like at the moment or where exactly in the jog wheel they are) and you have to strech them back out so that when your hand isn't on the wheel it will spring it back up. Either that or the switch is busted and if that is the case you have to replace the switch.
Posted on Jul 22, 2008
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If the standby light blink then it indicates a fault relevant to the processor.If the set is fully dead then the SMPS power supply can be faulty.
Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.
The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.
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