Question about Sharp VC-H810U VHS VCR

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Power up problem

When plugged in the power LED starts blinking. The unit button has no effect. The unit will not power on and power off. LED just keeps blinking.

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Magnavox MDR537H/F7 no power

Some surge protectors cut off all power, when they reach the surge protection limit in joules. Power strips have reset buttons to restore power. Try plugging it directly into the electrical wall socket. If it works, then purchase a new surge protector. The DVD recorder may have a internal fuse that has burned open.

Jun 03, 2014 | Magnavox MDR537H/F7 DVD Recorder 1TB Hard...

1 Answer

Power red led light blinking

Press the POWER button and hold it - see what it does. Disconnect from the wall outlet for a moment.

Nov 13, 2013 | Sharp LC-32M400M 32" Multisystem LCD TV...

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The litle green light blinks all the time.

Tries the unit unplug,replug it back like about an hour.The unit should be resetting itself.Now the green power light should be stable again now vcr should be work again,still blinking green power light mean the unit have power circuitries issues,not worth trying to fixed the unit.Because VCR devices are pretty cheap these day,can buy a new one like $40 bucks.

Jun 18, 2011 | Quasar VHQ400 VHS VCR

1 Answer

The unit doesn't respond to ANY button pushing, on remote or actual unit. And when it's plugged in the power light just blinks.

sounds like you activated the built in surge protector . you need to unplug it for about 10 minutes to reset the surge protector let me know if this works for you

Mar 17, 2011 | Orion VR213 VHS VCR

2 Answers

The power light blinks rapidly,no response from the power button and no video or audio output.

when your power lite thats tell you sommething wrong count flash then go to sharp flash code to fine out whats wrong

Jun 24, 2010 | Sharp VC-H810U VHS VCR

1 Answer


I had a similar problem. I took the top off and wiggled all of the connectors, unplugged and replugged some and it started working. I'm still not sure what the problem was.

Mar 17, 2009 | JVC HR-S9800 S-VHS VCR

1 Answer


On vcr power supplies usually first component to go is a capacitor, check if its blown, or test it if you have a meter capable, next check diodes and resistors, also check the resistors and diodes on all the boards( they may have blown if a cap has blown) If there was smoke or a smell its usually a resistor to look for. When you replace them replace them with a higher votage cap.. Example 15v 1000uF cap with a 25v -35v 1000uF cap( this is just to avoid the problem from happening again.

Jan 22, 2009 | RCA VR629HF VHS VCR

1 Answer

No power

I assume you unplugged the unit for several minutes and tried plugging it back in to reset it. Is the outlet ok? Did you try plugging something else into the same outlet and it worked?

If the cord is ok and the fuse isn't blown and the VCR is completely dead, I would say that you have a problem in the power supply section. This could be a bad transformer, rectifier or regulator module. Unfortunately you'll need to take it to be serviced.

Please let me know if I can be of further assistance to you.

- Jim

Feb 11, 2008 | GE VG4040 VCR

1 Answer

VCR stuck in auto time set mode

One possibility is that the power supply section isn't providing the correct voltages. If you have a little tech savvy, and a volt meter, check the output voltages. There should be a +5 volt line, +12 to +14 volt line, and perhaps a -40 (approx) volt which supplies the display. Early VCRs often had this latter voltage, but later ones not having much of a display might not. Anyway, check for these voltages- the +5 volt should be right on within .2 volts (4.8 - 5.2volts). If this voltage is off much more than this, problems are likely. Defective components would likely be the electrolytic capacitors in the power supply, most of which are used to filter those noted voltages. If by chance one or more caps. is defective, replacements are found at Digi-Key Corp. Their Panasonic FC capacitors are what I generally use for most of these replacements. Mouser Electronics will have suitable parts too. Beyond this problem, maybe an erratic mode switch, or other logic problem. The kind of problem you describe may be difficult to diagnose. If this is a late VCR (10 years old or less), most of these are of the disposable variety, unlike the old rigs which were built like tanks, comparatively speaking.

Jul 03, 2007 | JVC HR-S3912U S-VHS VCR

2 Answers

Faintly blinking power light

This may indicate power supply problems, or perhaps an overload condition, causing the power supply to go into overload protection. If you have a voltmeter, schematic (helpful but not 100% necessary), you could check voltages. You should see at +5 volts, +12 volts, and one or two others. A frequent power supply problem is one or more electrolytic capacitors go wacky, and cause the voltages to be way off, and a non-operational unit. If this is one of the newer low cost rigs, then taking it to a service center isn't cost effective. Toss it and purchase a new one.

Mar 14, 2007 | Samsung SV5000W VHS VCR

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