Question about JVC DRMH20 DVD Recorder

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No Power at all. Fuse T2AL is blown up

I have DRMH200SEK DVD recorder and due to high surge of current a fuse inside blew up which is a T2AL type. I have replaced with a similar fuse purchased from maplin but nothing is happening.There is no power at all.What else could have gone wrong as inside only fuse is blown up. Where can I get a T2AL F5001 fuse. I will be grateful for any advice. Thank you

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  • Anonymous Jan 13, 2008

    I think you'll find that the IC 5101 has blown I am trying to source a replacement but with no luck

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Thanks to Bogbrush (what a name!) above for the hint to check R5107 when the STRG6653 explodes, indeed it was open circuit. I replaced that with a non-SM component since that's what I had to hand, replaced the fuse (2AT), replaced the STRG6653 and replaced the mains rectifier since this looked to have suffered even though cold checks implied it was OK. Then rewarded with a fully working DR-MH200. I had already gone through the power supply replacing any capacitors which had gone high E.S.R, several had. The 27uF 35V capacitor in the primary circuit of most JVC DVD recorders is particularly prone to failure.

Posted on Jan 05, 2013

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This is a common fault - JVC seem to be poor at building power supplies. I suspect not only IC 5101 has blown but also a resistor underneath the circuit board r5107 (680 ohms 1/16Watt) .

The IC 5101 is a component listed as strg6653. You can get this from http://www.4ourhouse.co.uk/cgi-bin/home.pl - justs search for strg6653.

Posted on Jan 29, 2008

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Fuses, Switches, Circuit Breakers And Relays Most vehicles use one or more fuse panels. This one is located on the driver’s side kick panel tcca6p01.jpg

It is possible for large surges of current to pass through the electrical system of your vehicle. If this surge of current were to reach the load in the circuit, this surge could burn it out or cause severe damage to the vehicle’s electrical system. It can overload the wiring, causing the harness to get hot and melt the insulation. To protect vehicle wiring, fuses, circuit breakers and/or fusible links are typically installed into the power supply wires throughout the electrical system. These items are nothing more than a built-in weak spot in the system. When an excessive amount of current flows through a circuit it causes an increase in heat throughout the wiring. Fuses and circuit breakers are designed as the weak link in the system and will disconnect the circuit to prevent damage to the components contained within that circuit. Components are equipped with connectors so they may be replaced in situations where they were damaged due to a power surge.
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---
I would get a fuse tester that can test fuses while still installed and powered up. It will light if the fuse is blown when applied to the two tabs that are exposed on fuses that are installed in your Ford product.

Check the fuse box under the dash on the driver's side, and check to see if there are any fuses under the hood.

If you don't have the tool, try to look for stickers or download the manual from ford.com.

http://www.ford.com/owner-services/customer-support

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Fuses, Switches, Circuit Breakers And Relays
Check under hood and under the dash driver's side.
There may be a sticker on the inside of the panel cover that tells you the legend. Otherwise, it requires testing each and every one of those fuses, preferably with a fuse tester that can do it more expediently than pulling each one out and looking for a broken conductor.


Most vehicles use one or more fuse panels. This one is located on the driver’s side kick panel tcca6p01.jpg

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  • Circuit Breaker- A circuit breaker is a "self-repairing" fuse. It will open the circuit in the same fashion as a fuse. The surge creates heat the same way that a fuse is affected. When the surge subsides and the circuit cools down, the circuit breaker will reset and allow current to flow through the circuit. Typically circuit breakers do not need to be replaced.
  • Fusible Link- A fusible link (fuse link or main link) is a short length of special, high temperature insulated wire that acts as a fuse. When an excessive electrical current passes through a fusible link, the thin gauge wire inside the link melts, creating an open to protect the circuit. To repair the circuit, the link must be replaced. Some newer type fusible links are housed in plug-in modules, which are simply replaced like a fuse, while older type fusible links must be cut and spliced if they melt
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The underhood fuse and relay panel contains fuses, relays, flashers and fusible links tcca6p02.jpg

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