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I need power supply circuit for VCR national model NV-G500

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Request the circuit diagram directly from National.

Posted on Jan 02, 2017


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Please send me circuit diagram of national/panasonic vcr nv-g33

If you wish to get some details; check the site linked here. Pull up older posts.
Circuit diagrams of many popular brand devices are given. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Sep 08, 2016 | Televison & Video

1 Answer

Please send me power supply circuit diagram of panasonic vcr nv-g33

If you wish to get some details; check the site linked here. Pull up older posts.
Circuit diagrams of SMPS section of many popular brand devices are given. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Sep 08, 2016 | Panasonic Televison & Video

1 Answer

Hs-u54 vcr has snow on video

Head amplifier circuit/module could be the problem in your case. You could also check the power supply to see if any electrolytic caps are out of tolerance or have changed value and replace them if necessary.
Here are a couple of examples of similar VCR issues I've had; some years ago, I had a Panasonic NV-F70A, with snowy video playback, and, after a lot of investigation and exhaustive testing it turned out to be the video head amplifier module that was the problem (not the heads themselves which were new) - replacing the plug-in aluminium-cased module fixed it and restored the video picture as well as the stereo audio output and flying head erase. Power supply was OK and the whole VCR good to go.
With another Panasonic (NV-J11A), it was several out of tolerance electrolytic capacitors in the power supply (another metal-cased plug-in module) that caused the snow on screen, erratic tape counter, and slightly wobbly audio. Head amp was OK in this one. I replaced every electrolytic in the PSU - and after plugging the module back in and turning the VCR on, the playback picture and tape counter were soon restored to normal - after some soak-testing, the machine went home.

You may not need to do anything to or with your machine's power supply at all but it doesn't hurt to check anyway so that you can rule it out as a possible problem source.

Dec 20, 2017 | Mitsubishi HS-U540 VHS VCR

1 Answer

Are you provide me National NV-G30EN [VCR] circuit digrame OR POWER SUPPLY DIGRAMME

You may download the schematic diagram of your unit at this link.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Feb 20, 2011 | Panasonic Televison & Video

2 Answers

Dead Set

Could also mean a blown fuse in power supply. Fuse needs checking first if it keeps blowing then yes could be regulator, filter cap or rectifier diode fault

Jan 06, 2010 | Panasonic NV-FJ620 VHS/S-VHS playback VCR

2 Answers

I have a panasonic NV-HD620 with a F04 error message.

You appear to have a K Mech model. F04 means the mechanism locks unloading. The cause of this is the Load Motor timing.

Sep 09, 2009 | Panasonic NV-HD680 VCR

1 Answer

Nv fj630 can't power up

Had the same problem with my one. After a lot of time spent testing etc and finding no low volts of any value present and looking on the web, I found that Panasonic tend to use a similar design of power supply for a lot of models and there appears to be, after a number of years in use, a weak link in the design/use with the voltage regulator. For this model, the regulator generic part number is STRG 6352 and the Panasonic part no is C5HACZZ00002. In the UK it is available from:-
If you need a service manual for this model, which is helpful for checking things/disasembly/assembly, you can obtain a free one from:-
As a note the panasonic replacement from chs came with the pins bent correctly, so it fitted directly after I had cut the old one out.

Best of luck!

Aug 31, 2008 | Panasonic NV-FJ620 VHS/S-VHS playback VCR

1 Answer


Since model has discontinued it is difficult to get the head.

Mar 21, 2008 | Televison & Video

1 Answer


Yes, the NV 370 was among the most produced and popular VCR machines by Panasonic. Ifthere is no color, only 2 reasons i can think of - 1. Check the Colour / B&W switch at t5he rear of the machine.It might accidently be on 'B&W' mode. 2. Clean the video Heads. Dirty Heads also show as B&W picture on this machine. 3. There is a internal circuitry fault (tho' very rare in this machine. If it is a circuit fault, then there is nothing you can do, unless you know Solid state Electronics servicing. And even after that, it may become difficult to service, as spares may not be available. Machine is a 20 year old model.

Jul 07, 2007 | Panasonic NV-SJ205 VHS VCR

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