一、电路特点东芝C-1421Z型14英寸彩色电视机采用X53P型底盘,整个电路由八块集成电路为核心,组成一种存储式电视机.其方框图如图1所示.下面扼要介绍它的电路特点.存储式选台装置UA_01使用四块集成电路,以完成预选存储、存储器控制、调谐器控制等功能,它与甚高频(VHF)/超高频(UHF)的电子调谐器组成选台 First, the circuit characteristics Toshiba C-1421Z 14-inch color TV with X53P type chassis, the entire circuit consists of eight integrated circuits as the core, to form a storage TV, the block diagram shown in Figure 1. Here’s a brief description of its CIRCUIT CHARACTERISTICS STORAGE TUNING DEVICE UA_01 uses four integrated circuits to perform preselection, memory control, tuner control, and other functions with VHF / UHF electronic tuners station