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长虹公司继1994年、1995年推出“红太阳一族”NC-2、NC-3、TAD机芯大屏幕彩电之后,又于1998年2月推出了以松下公司最新研制的单片集成电路AN5195K为核心的CN-5机芯系列大屏幕彩电。该机芯具有性能好,功能强,结构简单紧凑,元器件少,可靠性高,便于生产和维修等优点。目前,采用此机芯生产的彩电有N2918、N2918A、N2516等机型。CN-5机芯是长虹公司彩电今后采用的主导机芯。为了使读者尽快地了解这种新机芯的电路原理,本文以长虹N2918大屏幕彩电为例,详解该机芯的电路组成及工作原理。
Following the launch of the “Red Sun clan” NC-2, NC-3, and TAD movement large-screen color TV sets in 1994 and 1995, Changhong Company introduced the monolithic integrated circuit newly developed by Panasonic Corporation in February 1998 AN5195K core CN-5 series of large-screen color TV. The movement has good performance, strong function, simple and compact structure, fewer components, high reliability, ease of production and maintenance advantages. At present, the use of this movement to produce color TV with N2918, N2918A, N2516 and other models. CN-5 movement is Changhong’s color TV use the leading movement in the future. In order to make readers understand the circuit principle of this new movement as soon as possible, this paper takes Changhong N2918 large screen color TV as an example to explain the circuit composition and working principle of the movement.