Question about Televison & Video
Also if stop recording early they disapear. this does not happen all the time with both situations but very annoying. No usb recording straight to hdd
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Posted on Jan 02, 2017
SOURCE: DMR-55E dvd recorder timer fault
This is a common problem with this particular model. I can tell you what the fault is but unless you feel confident in using a soldering iron, the repair is best left to someone who is.
Ok...the fault you describe is caused by failure of IC001. This is a voltage regulator on the power board. You can identify the regulator as it is fixed to along thin metal strip near the middle of the board. It gets very hot during normal operation and will fail after a couple of years. The metal strip offers very little heat dissipation so the regulator operate in excess of its limits and therefore fails.
You need to take the lid off, remove the board which is mounted on the right hand side of the unit and replace the faulty regulator.
To remove the board, remove the fixing screw above the power connector on the back of the recorder, then the 4 fixing screws that secure the board. Next carefully remove the multi-connector that connects the board to other circuitry and lift the board clear.
A new regulator type STRG 6353 and can be obtained from several online suppliers. The old regulator can be removed by unscrewing the fixing screw, cuttiing the 5 pins with wire cutters. Then using a soldering iron, carefully removing the residual pins from the printed board making sure the print is not damaged.
Use some heatsink compound on the back of the new component, this will help it to dissipate heat more easily, use an additional heatsink if you can, which will help to prolong the life of the new regulator, then tightly secure it in position before carefully soldering the 5 pins.
Check that you have soldered it correctly without any shorted pins or tracks and reassemble the unit. I have repaired dozens of these successfully with exactly this fault.
Mains voltages can be lethal so always remove the power plug before doing any work like this and be sure of your own ability. If you're not confident in tackiling this, get someone to do it. Whatever you do, don't ditch the unit for such an easy to fix fault!
From your user name, I guess you're a radio amateur, so you should be on home territory.........
Posted on Feb 14, 2008
When setting the record timer make sure that PDC / VPS is switched OFF.
PDC - Programme Delivery Control / VPS - Video Programming System is designed to allow for late starting or running programmes. Not all channels support PDC/VPS, so the recorder may be waiting for a PDC/VPS signal which isn't there.
Posted on Feb 16, 2008
I had the same issue. It turns out that the recorder has to be switched off otherwise it won't record. The unit will power itself on at the scheduled time and record your program. It doesn't make any sense to me why this would be a requirement but it solved the problem for me.
Posted on Jul 25, 2008
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