Question about Pioneer DVR-640H DVD Recorder/HDD Recorder
I have not been able to do anything since the power went out (and back on). It has not returned to normal... It has been 4 hours since it has done this and I can't get it back. I really would appreciate help in resolving this issue. I have tried doing the Stop & Power button, but nothing happened at all.
If it is at all possible I would like to keep using this product!
Since your power input circuit has not been affected, but the HDD as reported in the error message means the power supply is ok, but only for voltages of 12V & above. This can be cause
1. The lower voltage of 5V may be damaged, which is used to read/record from the HDD.
2. The HDD has got corrupted!
The simplest way to start is first remove the HDD, power on your DVR-640H and notice the error message that should appear on the Display. Reinsert the HDD and again power on. If the earlier message reappears, then the power supply to the HDD voltages need to be measured by a multimeter. If you find that the 5V supply is not correct, then replace the transformer in the power supply circuit
However if the voltages are proper, then try connecting the HDD to a PC via the USB port. Run the checkdisc from the PC. Bad sectors are bound to come & if it does not execute the format command for this HDD, then it indicates bad many sectors which the software is unable to fix. But if it does rectify the HDD and is now formatted, replace it in the DVR and try. If the error message does not appear start using it as if its a new item.
However most probably the HDD rquires replacement is the first method fails. I am you must have gone through the manual which says "• The HDD is very delicate. If used
improperly or in an unsuitable
environment, it is possible that the HDD
will fail after a few years of use. Signs of
problems include playback unexpectedly
freezing and noticeable block noise
(mosaic) in the picture. However,
sometimes there will be no warning
signs of HDD failure. If the HDD fails, no
playback of recorded material will be
possible. In this case it will be necessary
to replace the HDD unit.
Optimizing HDD performance
As you record and edit material on the HDD,
the data on the disk becomes fragmented,
eventually affecting the recorder’s
performance. Before this happens, the
recorder will warn you that it is time to
optimize the HDD (which you can do from
the Disc Setup menu; see
Its extremely delicate and if the voltage supply to the HDD is OK you have no alternative. Just replace the HDD with a new one(but my instinct points to improper lower voltage supply)
Posted on May 11, 2009
• Make sure the power cord is plugged in.
• Try another AC outlet.
• Power is off, check fuse or circuit breaker.
• Unplug unit, then plug it back in.
• Select the DVD or VCR mode before operating.
• Antenna connection is not correct or antenna cable is disconnected.
• The video channel is not in the correct position or the TV is not set to the
video channel 3 or 4.
• Check the unit is connected correctly.
• The video input selector of the TV is not set to VIDEO. Set to VIDEO (or
• Channel is set to the external mode
Posted on May 10, 2009
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Posted on Jan 02, 2017
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