Question about Audio Players & Recorders
The unit will not respond to remote or manual operation of power on/off button.
I am not sure if this is going to help or work for you but it worked for me. My amp D714 crackled a bit and then switched off completely. It would not power on again. I checked the fuses and tried the tone-standby buttons but that did not work. After a bit of searching on the web I thought I had lost my amp for good so I thought I would experiment a bit considering it's dead already. I opened up the top cover and started looking for dry joints. Then I came across the battery. It is located on the main upright circuit board. It says "Main" on it. The battery is a black circular battery that has 5.5v written on it. It is located in the middle of the board about 5cm from the front of the amp. With my experience with computers I decided to short out the battery. I did this by shorting out the two solders on the opposite side of the battery (other side of the board where all the joints are). I just held a flat screw driver on it for a few seconds. To my surprise I plugged the power back in and it just switched on. For now I am just running the tuner with all the speakers plugged in and all is working so far. I will see how long it last.
Hope this helps.
Posted on Nov 02, 2008
Sapolar bear - you are a bloody legend! (Good Australian English)
I shorted out the CAPACITOR you mentioned (not a battery - looks a little like a button cell shrink wrapped, but it'a actually a capicator!) and it went first time!!!
Yay - as it was 4 yr old and my wife was giving me heaps for buying a "good brand" as I always say of Pioneer. She wants me to buy the cheap rubbish, no way!
If you are looking for this item, it's on the vertical circuit board, and just behind the Volume knob.
Posted on Aug 27, 2009
Have a vsx-d714 with the same problem, looks like a main board containing cpu has gone corrupt, causing non boot up of the unit. on board mem battery can be disconnected then board shorted to drain caps then reconnected, This should reset the unit.
Posted on Sep 10, 2008
I applied the fix suggested by sapolarbear and was astonished to find that my unit powered up. This was after troubleshooting the power cable, connector and fuses and researching which replacement unit to buy. I should have searched the pioneer model number first to locate this post. The man is a genius!
Posted on Apr 06, 2011
I have a vsx-d714 which came up with a momentary "Error" twice then refused to turn on. I disconnected the unit and took to my electronics workshop in the hope of finding the problem. Being power related, I suspected a leaky electrolytic capacitor might be causing the problem. After spending an hour or so checking various components with no faults found. Fuse OK, 5v regulator IC working etc. . Thought I'd check the internet in case someone had struck the problem already. Lo & Behold "sapolarbear" had a fix for a similar fault.... so I located the 5v Capacitor/Battery that holds the CPU parameters and momentarily shorted the leads. Plugged the unit back in to AC and was able to now turn the Amp on/off as usual. Before refitting the cover in place I intend on fitting a tiny push button switch to the Back LHS of the box. I will put a low value series resistor in line with the switch (10 to 30 Ohm) so that I can reset this circuit should this fault ever happen again. Saves dismantling the amp and pulling all those cables out. Thanks Guys
Trevor.... Perth West Australia
Posted on Jun 18, 2010
Change power cord first- apply a new battery to remote- apply a contact cleaner spray in on-off switch.if all above failed ask for help from service center near to you.
Posted on Apr 06, 2008
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Posted on Jan 02, 2017
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