采用日立NP84C機(jī)芯的彩電有:日立CPT-1924SF、CPT-2001SF、CPT-2008SF、CPT-2125SF、CPT2157SF、金星C478、金星C518等。振蕩過程C906上約300V的直流電壓經(jīng)R902、R903、C905加到Q901的B極,Q901開始導(dǎo)通,C極電流流過
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