JVC VCR Problems In Model HR-J321EM-No Power by Jestine Yong
A customer sent me a JVC HR-J312EM model VCR for repair. The complaint was no power. I personally don’t repair VCR because I’m more on computer monitor repair. Because of he is a friend of mine; I told him that I’m willing to take the challenge to repair it. ... If either one of the start up resistor developed an open circuit, there would be no supply voltage to the oscillator circuit and the power fet would not switch. ... Therefore no ac voltage produced at the secondary side of the power supply.

Power Supplies, Video on Board, and Documentation: A Wish List by Michael Quarles
I suppose each of us has a wish list for things we’d like to see come about in the world of computing. While some of mine may be a bit far-fetched, others are practical, and could be achieved with only slight improvements in technology. Still others could be had by manufacturers simply changing... Many persist in offering only a 300 or 350 watt power supply with cases that would otherwise be excellent to build a system in. ... About the only kind of computer you can build using under 300 watts is a basic internet and homework kind of family PC.

Computer Power Supply - Developments You Need To Know by Michael Quarles
Not so long ago, when you wanted a new power supply, you went to your local electronics store and picked up a standard 300 watt unit. It didn’t matter which one you bought, because they were all virtually the same. They had the same connectors, the same fan in the back, a generic unit for all PC’s. ... For the truly power mad, a 1000 watt can be found for $400. ... The old style ATX motherboard required a 20 pin power connector, but the ATX 2.0 standard calls for a 24 pin. ... It improves airflow greatly.

5 Frequently Asked Questions about Computer Sound Problems by Gary Hendricks
Computer sound problems can be very frustrating. The truth is that troubleshooting sound problems is a little different than most other troubleshooting because the usual troubleshooting approach of stripping the PC down to bare essentials often doesn’t apply. ... Answer: Your speakers require either an external power supply or batteries to power the amplifier, which is what implements the volume control. ... Make sure that you have fresh batteries or the appropriate power supply and that the power switch is turned on.

Wireless VGA - Yes, It Is Possible by Preston Wily
Nobody likes a cluttered desktop OK, maybe somebody somewhere in the world likes a cluttered desktop, but it is the goal of most office workers to keep their work area clean and clutter-free. Many studies suggest that such an environment is conducive to creativity, brainstorming and productivity. ... The monitor still requires a power adapter, but you now have the flexibility of locating your computer in another room or section of the office. ... Wirless is hot With the introduction of new Wimax standards (the underlying technology driving wireless USB and wireless FireWire, among...

The Advantages of Building or Buying Your Dream Custom Built Computer . . . by Danny Striyent
A custom built computer is cheaper, and on average more reliable than a brand name computer. One reason for this is the a brand name computer companies buy there parts in Bulk because they get a better cost from the manufacturer, this in turn throws the old saying quality before quantity right... Lets touch on quickly what I consider the 4(four) most important choices you have to make when building your custom computer: 1) Computer Tower - The computer case is not really an accessory -- it is an integral part of the computer--think UPGRADES!

USB Hubs and Ports Explained by Nigel Stephens
The USB standard has become the universal means of connection peripheral devices and equipment to the computer. Computers have either two or four USB port connectors. Each of these can support a large number of connections but to be able to attach more than two or four devices requires a... Powered and Passive Hubs Hubs may be restricted in their use without a power connection as passive hubs rely on the power of the USB bus. ... Some devices consume a full 0.5 Amps, so are powered from a power adaptor from the mains supply.

How to Troubleshoot A Dead Computer by Robert Desacada
Is your Computer starting to act differently that sometimes it refuses to turn on? Or your Computer looks completely dead.? If you are experiencing this kind of Computer problems, all you need is just some troubleshooting techniques to try and free all your worries and headache. ... Next, check the power between the power supply you use and the motherboard on the back of your computer. ... The first thing you should do is check the power supply just to be sure that there is power available for your computer.

Natural Disaster Causes 3% of Data Loss by Park Oskar
Natural Disasters is the least likely cause of data loss however they can kill an entire company. The eruption of natural disasters and the complete equipment failure are rare but they do occur. Although it accounts for around 3% of all data loss but the magnitude of data loss is highest. ... When you think of preventing data loss due to power supply problems, you automatically think of connecting your system to a UPS (Uninterrupted power supply), surge protectors, isolation transformers, or a surge suppressor.

Your Hard Drive is Going to Explode – Why a UPS is Essential by Kevin Souter
It’s most peoples worst computing nightmare. You wake up in the morning, flip on the computer, and it doesn’t boot. Sometimes the problem rears its ugly head as a horrific clacking noise. Other times it simply gives a read error. At this point, most people panic. ... They also include options to hook the power supply up to your computer via a serial or USB port so you can monitor what the power is doing. ... You can get an Uninterruptible Power Supply at most computer stores. ... Getting a UPS (Uninterruptible Power Supply) is the very best and most effective way to prevent your data from...