Question about Zoom H4 Handy Recorder

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Zoom H2 handy recorder

When I switch it on nothing happens. I think it may have been damaged by a power surge. Can I have it repaired? I have had it 3 months and finding it an excellent device Thank you Gale

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I presume you have tried new batteries, and/or the problem persists with the AC adapter. If so, have you tried replacing the SD card?

If these do not work then it is probably time for a repair, but I'd ask the Zoom Corp or your dealer first. They may have heard of similar problems and know a painless fix.
www.zoom.co.jp (Japan)


Posted on Sep 12, 2008

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Is it a power or main board?


The device is shutting off similarly to how a PC will after it has been damaged from a power surge. You mentioned the problem began shortly after a storm. If you were not using a surge protector then the device's internal power supply has probably been damaged. I would suggest a service center repair evaluation. Please customer service before you attempt anything else. If its an electronic store like Best Buy then I would suggest taking it in to them.

Apr 28, 2014 | Panasonic SELECT PT50LC13 Rear Projection...

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How to Avoid a Power Surge?


Recently my friend had a power surge happen on her laptop it was destroyed the power surge ended up cooking her motherboard. I would say and I think most would agree this is the most critical thing you can do to avoid a power outage that may damage your PC, Laptop or any other electrical component. <br /><br />Here is how I avoid this serious issue, first did you know that dust can conduct electricity? Not only does dust create a cooling barrier it can cause a fire inside of your computer. It is a good idea once a month to open up the case and blow out the computer. You can use canned air or a blower vacuum do this outside. <br /><br />There are settings that you can set to stop your computer from restarting after a power failure if these are not set the computer during a bumping surge which is on and off over and over again your machine will keep restarting during this time which can be a problem with shorting out components.<br /><br />To do this using Win XP simply right click on My Computer then Select Properties. Go to Advanced see in the graphic below where it says Automatically Restart un-check that. This way when a power failure happens the computer will not restart. <br /><br /><img src="jcrowder0027.jpg" /> <br /><br />I think you get the idea here. Although computers are less expensive these days, you still do not want to have to face a major repair due to a power failure. If you are using a laptop run it with the battery only during the rain and storm like conditions. Thanks for reading my articles and using FixYa!<br /><br /><span style="font-weight: bold;">John A. Crowder</span><br />

on Apr 09, 2011 | Computers & Internet

2 Answers

Hi I have a Ricoh 1515MF and I recently had a power surge that fried my power strip, desktop and my Ricoh. The Ricoh will not turn on anymore. I have tried switching outlets, new power strips and nothing...


The power supply unit within the printer also would have damaged while the surge took place . The SMPS - the power supply - is quite sensitive to the power surge and so could have damaged the driver or the front end . you need to take a look at the SMPS unit to confirm. remove the power supply and check for fuse, if the fuse blows again then you have a problem in hand.
check the link for tips:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Jul 07, 2011 | Ricoh Aficio 1515MF All-In-One Laser...

1 Answer

We had bad weather lights went out ..had tv plugged into a power surge plug ...now that i have power back tv wont come on


Some will say a surge protector will save electronics. I can tell you they may not help at all. A power surge is extremely fast and can over ride the surge protector. If you think you can repair this TV, I would certainly remove the back cover and inspect. Occasionally the only problem for repair is to replace the main fuse. Remember, this happens rarely. Most cases after a surge the TV will need to be inspected by a TV tech. Almost anything, in a power surge will damage the TV. There is no certain area that will not be damaged, expect it any where. Thanks for asking and show all hands of support!

Mar 30, 2011 | Philips 47PFL3704D 47 in. LCD TV

1 Answer

Just had a power outage and now my TV will not come back on. Just flashes 3 consecutive flashes then a pause and then 3 more flashes. Tried unplugging and letting it sit, tried power button on remote and...


I hate to tell you that this happened to me last week and mine is 18 months old. after calling toshiba and going through all troubleshooting, nothing worked. they referred me to a service center near me and the repair is $466!!!!! I have lots of power outages so they can seriously damage a tv (the motherboard to be specific). Mine is the 42 inch 535U. get a surge protector for your cable and ask your electric company to install a power shield on the meter or a surge arrester.. good luck.

Nov 08, 2010 | Toshiba REGZA 42WLG66 42 in. HD-Ready LCD...

1 Answer

This morning I tried to turn my RCA TV (model 24R411T) on and nothing happened. I tried plugging it into a different outlet, still nothing. I tried leaving it unplugged about 10 minutes and trying again,...


Hello,

Power surges or nearby lightning strikes can destroy electronic equipment. However, most of the time, damage is minimal or at least easily repaired. With a direct hit, you may not recognize what is left of it!

Ideally, electronic equipment should be unplugged (both AC line and phone line!) during electrical storms if possible. Modern TVs, VCRs, microwave ovens, and even stereo equipment is particularly susceptible to lightning and surge damage because some parts of the circuitry are always alive and therefore have a connection to the AC line. Telephones, modems, and faxes are directly connected to the phone lines. Better designs include filtering and surge suppression components built in. With a near-miss, the only thing that may happen is for the internal fuse to blow or for the microcontroller to go bonkers and just require power cycling. There is no possible protection against a direct strike. However, devices with power switches that totally break the line connection are more robust since it takes much more voltage to jump the gap in the switch than to fry electronic parts. Monitors and TVs may also have their CRTs magnetized due to the electromagnetic fields associated with a lightning strike - similar but on a smaller scale to the EMP of a nuclear detonation.

Was the TV operating or on standby at the time? If it was switched off using an actual power switch (not a logic pushbutton or the remote control), then either a component in front of the switch has blown, the surge was enough to jump the gap between the switch contacts, or it was just a coincidence (yeh, right).

If the TV was operating or on standby or has no actual power switch, then a number of parts could be fried.

TVs usually have their own internal surge protection devices like MOVs (Metal Oxide Varistors) after the fuse. So it is possible that all that is wrong is that the line fuse has blown. Remove the cover (unplug it first!) and start at the line cord. If you find a blown fuse, remove it and measure across the in-board side of fuse holder and the other (should be the neutral) side of the line. The ohmmeter reading should be fairly high - well certainly not less than 100 ohms - in at least one direction. You may need to unplug the degaussing coil to get a reasonable reading as its resistance may be 25 or 30 ohms. If the reading is really low, there are other problems. If the resistance checks out, replace the fuse and try powering the TV. There will be 3 possibilities:

It will work fine, problem solved.

It will immediately blow the fuse. This means there is at least one component shorted - possibilities include an MOV, line rectifiers, main filter cap, regulator transistor, horizontal output transistor, etc. You will need to check with your ohmmeter for shorted semiconductors. Remove any that are suspect and see of the fuse now survives (use the series light bulb to cut your losses - see the section.

It will not work properly or appear dead. This could mean there are open fusable resistors other defective parts in the power supply or elsewhere. In this case further testing will be required and at some point you may need the schematic.

Jun 14, 2010 | RCA 27R411T 27" TV

1 Answer

Blinking standby light, dead dvd player


Hello illeanaceres,

I'm sorry to hear about the bad news, I had something similar happen to me around a month ago.

Honestly there is not much you can do if it is damaged due to a power surge. Resetting it would be the normal procedure.

Surge protectors only protect equipment up to a certain amount of joules. Basically if the lightning is powerful enough it can damage electronics with that initial surge. You should replace your surge protectors every few years if it is 2-3 years old then it may not be as effective.

Post back if you have anymore questions or comments. Thank you for choosing Fixya!

Jul 13, 2009 | GPX D1816 DVD Player

1 Answer

Someone please help


Good Day;

Two things normally happens after a L storm:1.) One must unplug TV for 5 minutes, then plug back in. 2.) Main glass fuse out, will be near a/c cord. 3.( Power regulator IC may be out. Try these first.

Good Luck!

Jun 13, 2008 | Panasonic PT-52LCX66 Projection Television

1 Answer

Power supply?


I'm afraid you are right suspecting the power supply; most modern sets use switching power supplies and they often fail when the source AC is screwy.
It might not have been the low-normal-low-normal swings but an unseen, short term surge that killed it.
The cycling is occurring to prevent a potential fire or more severe damage; a component has been whacked and the supply is detecting a fault condition, probably excessive current from some circuit.
I'm afraid you are stuck with a repair, if it was mine, I'd look inside first but some basic instruments are needed and technical background.

I highly recommend to homeowners that they install a 'whole house" surge protector. Especially in lightning prone areas.
With installation, around $200-300 US although an intelligent person can do it, it will require shutting down the home.

The surge protectors range from ~$110-200; most have a long warranty and many include insurance to cover items damaged despite the protection.

The 'Olevia' caught my eye, we bought a 47" about a month ago and are quite pleased with it.

Jun 11, 2008 | Olevia LT37HVS 37 in. LCD HDTV

2 Answers

No Power to TV


There is no reset button on these new sets,your set has complete power problem since you have no lights no clicks,this might have happen because of lightning or power surge,either one creates a lot of damage,if you are familiar with tv service you can check the main fuse,he should be close to where the power cord comes in,if you find the fuse blown it needs to be replaced with an exact replacement for AMPS rating and VOLTS rating as well as size,if the fuse is blown black we might have more problems ahead in the circuit and it will blow up again as sonn as you plug the tv back in,if it blows again it will need a more involved repair,the problem could be in the primary side of the power supply,if you are not too familiar you should seek the help of a servicer a least for an estimate but if you suspect power surge or lighting damage dont invest any more on this set and get a new one.

Nov 08, 2006 | Zenith C27A24T 27" TV

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