Old-fashioned 25-inch CRT TV, want to buy a hard disk player, used to watch the computer up and down the film, DC shot photos. TV behind two parallel red and white three-color jack, what is the nominal, The There is also a cable TV jack, and do not know what role of the jack (the jack is not the headset as only one eye, like a honeycomb to a few holes), before the DVD, but do not read for many years Want to use the player, will not sound no ah? More
The production of the core of the 50 # extruder, into the cable with the 400 # into the cable machine, extruded jacket 65 # extruder, there are other accessories, such as printing rack, test the spark machine, into Discs and so on. The price of different brand name is also different prices,
A core cable is a line inside is a line inside, two-core cable is outside a line there are two lines, three-core cable is a line inside is a three-line, four-core cable is outside is A line which is four lines, the field of power cables, because it is three-phase four-wire system, the most used is the three-core and four-core cable. In the field of control cables, there are more than four or even dozens of control cables and so on. The more the cable core number, the unit cross-sectional area through the rated current smaller, because the number of cores, heat, heat poor relationship; cable cross-sectional area, the unit cross-sectional area through the rated current smaller, The current has a skin removal effect (along the surface of the wire).
Control cable 6 * 0.75 + 1 refers to six 0.75 square plus one square square wire or public line. This line is the design of the engineers is not an ordinary specification is the project in order to reduce the need for the use of the cable area is not necessary to use their own in accordance with their actual requirements This can only be customized it should be written correctly KVV6 * 0.75 + 1 * 1 Should be equipment control the use of special specifications cable
Red and white three-color jack is not the color difference signal input. Is AV stereo and composite video signal terminal, yellow video, red and white is left and right channel. Like a honeycomb coal to several small holes in the terminal called S video terminal, the effect is better than AV but worse than the color difference terminal. There is no sound to see if your hard disk player is audio output terminal
