Question about Pioneer DVR-520H DVD Recorder
This is an indication of faulty power supply or the main board. Check the power supply first if there is an out of regulation which dropped the output voltage from normal. If you have a multimeter check it, you're reference voltage is printed in the board itself. If you found one, this is caused by leaky/dried electrolytic capacitor in that section. If the output voltages is quite normal, the fault is in the main board. The problem is, this board is not repairable. Only way to solve the problem is to get the exact replacement board from your local Pioneer service center. If you don't have necessary tools and test instrument I would advice you to send it to Pioneer repair shop. You may ask first an estimate for service fee plus parts to have an idea whether to send it for repair or buy another unit.
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Posted on Mar 22, 2011
This is a error indication as the main processor does not get the feedback from the circuit and so shuts off. the fault can be from a number of reasons;
please check on the following tips.
1. Possible block or mechanical jamming of the drive-both loading/eject- as the half position of the mode is trying to get the motor to reset to parking condition and having failed is cutting off.
2. Please check for foreign odjects that can block the drive.
3. Possible failure of the optical unit, try to attempt a cleaning of the lens drive.
4. possible fault in the drivers or the processor.
Check the voltages and confirm.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
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