Electronic home entertainment equipment installers and repairersElectronic home entertainment equipment installers and repairers, also called service technicians, repair a variety of equipment, including televisions and radios, stereo components, video and audio disc players, video cameras, and video recorders. They also install and repair home security systems, intercom equipment, satellite television dishes, and home theater systems, which consist of large-screen televisions and sophisticated surround-sound audio components. Customers usually bring small, portable equipment to repair shops for servicing. Repairers at these locations, known as bench technicians, are equipped with a full array of electronic tools and parts. When larger, less mobile equipment breaks down, customers may pay repairers to come to their homes. These repairers, known as field technicians, travel with a limited set of tools and parts, and attempt to complete the repair at the customer�s location. If the job is complex, technicians may bring defective components back to the shop for thorough diagnosis and repair. When equipment breaks down, repairers check for common causes of trouble, such as dirty or defective components. Many repairs consist simply of cleaning and lubricating equipment. If routine checks do not locate the trouble, repairers may refer to schematics and manufacturers� specifications that provide instructions on how to locate problems. Repairers use a variety of test equipment to diagnose and identify malfunctions. Multimeters detect short circuits, failed capacitors, and blown fuses by measuring voltage, current, and resistance. Color-bar and dot generators provide onscreen test patterns, signal generators to test signals, and oscilloscopes and digital storage scopes to measure complex waveforms produced by electronic equipment. Repairs may involve removing and replacing a failed capacitor, transistor, or fuse. Repairers use handtools such as pliers, screwdrivers, soldering irons, and wrenches to replace faulty parts. They also make adjustments to equipment, such as focusing and converging the picture of a television set or balancing the audio on a surround-sound system. Improvements in technology have miniaturized and digitized many audio and video recording devices. Miniaturization has made repairwork significantly more difficult, because both the components and the acceptable tolerances are smaller. For example, an analog video camera operates at 1800 revolutions per minute (rpm), while a digital video camera may operate at 9,000 rpm. Also, components now are mounted on the surface of circuit boards, instead of plugged into slots, requiring more precise soldering when a new part is installed. Improved technologies have lowered the price of electronic home entertainment equipment, to the point where customers often replace broken equipment instead of repairing it. Related news articles HANA: First, fix the living room - Oct 13, 2006 IT Business Net (press release),You could argue that, because DLNA is addressing every kind of network-enabled device, including home-entertainment equipment, PCs, and mobile devices, HANA is ... Treat home-entertainment electronics with care - Sep 17, 2006 Indianapolis Star,By Kevin Hunt. Oh, wait, you already knew that. But here are a few other things you might not know about how not to treat your home-entertainment equipment: ... United States v. Google? The DOJ would be going after the wrong ... - Oct 12, 2006 ZDNetMost if not all of the home entertainment equipment makers (particularly the ones that serve audiophiles like me) are standing on the sidelines as Apple begins ... 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