Question about Panasonic PV-V4022 VHS VCR

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Blows internal fuse

This unit blows the small fuse IMMEDIATELY when plugged in to a 120Volt power outlet.

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Re: Blows internal fuse

Check the diodes going to the fuse. there are 4 of them

Posted on Apr 11, 2008

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Re: Blows internal fuse

Now is time to check the capacitors that lead to the fuse. Also check the ground circuit too, then let me know. The tests must be done with an ohm meter or similar device.

Posted on Nov 20, 2007

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No power . Plug fuse is good.

if there is power to the unit and its no go, there will be something blown internally. Either a board fuse or a board component. You will need a multimeter to test and some electronics knowledge to determine which part has failed.

May 26, 2015 | Samsung SV5000 VCR

1 Answer

Blows the fuss inside the video

Fuses blow when there is an overload. These problems are generally caused by a short-circuted semi-conductor in the power supply section. If you are lucky it might be visably damaged or burnt!.

Jan 25, 2013 | VCRs

1 Answer

Panasonic PV-4664 VR wont't power on. Replaced 1.6A input fuse and fuse blows immendiately when power supply is both installed and removed from the unit. Appears the power supply has a problem.

Fuses blow like that when a semi-conductor has shorted and acting like a piece of wire. Transistors diodes etc will show up quick with a Ohm meter, has it will be just like you have touched the probes together!

May 08, 2011 | Panasonic PV-4664 VHS VCR

1 Answer

VWM - 360 Model / Keeps blowing the 2A / 250 V Fuse the moment the plug goes in the outlets.

Fuses keep blowing because a semi-conductor device is acting like a piece of wire. Look in the power supply section for transistors or voltage regulators or anything like that. It might be even damaged or burned.

Apr 14, 2011 | Sanyo VCRs

1 Answer

No power to the vcr

Probably not just a fuse but it is related to the power supply, which in newer VCRs is likely a switched mode supply but linear in older ones. Either one is a fairly cheap and easy fix for a competent and honest tech.
It is safe for you to open the unit and look for a fuse, most often located close to where the AC line comes in. However, some units may have the fuse soldered in rather than in a mounting clip that is easy to access for replacement. If you find the designation 'F1' near a soldered component, a soldering iron and some disassembly will be needed.
If a replacement fuse blows, it is fruitless to replace it again; you will require a technician then as that would indicate a failed semiconductor in the supply.

Nov 29, 2009 | Mitsubishi VCRs

1 Answer

Unit will not power on.

One or more sections of the power supply are not coming on. This unit has both fuses and ICP's (integrated circuit protectors) in the power supply that may open up causing your symptom. You will need to check and/or replace any open fuses or ICP's. If they immediately open up again, you will need the manual to figure out what is loading the power supply, or what component in the power supply has failed.

Oct 04, 2008 | JVC BR-DV3000U DV/Mini DV 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

2 Answers

Fuses blow afer power surge

These are switch mode power supplies and very difficult to repair. If you don't find all the blown components, they just blow up again when you try it. If that model has a separate module for the supply, you can try and order a replacement, but they usually are too expensive.
What model is it? Maybe I have a junker I can take the supply from for you?

Jan 02, 2008 | Toshiba M665 VCR

1 Answer

VCR Samsung SV-5000W

You should take off the top cover with the set unplugged and see if there is a main fuse that popped. If there is, put in another fuse,. If that blows, then your going to need to have the power supply in this unit repaired. Good Luck

Dec 28, 2006 | Samsung SV5000W VHS VCR

1 Answer

No power to GV3080X

Sorry but if a fuse blows theres a reason 99.999999999% of the time. as a fuse very rarly goes bad all by its self. This unit is a difficult one to trouble shoot unless you have the schematic diagram. It sounds like your missing the main b+ voltage and could be the regulator ic or a capacitor in the supply. If your not a tech you will be shooting in the dark replacing parts as you need a good muti-meter to assist you in these types of repair. Good Luck

Jun 13, 2006 | Rio Go Video GV3080X VHS VCR

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