Overview: TDA3504 is video control and PAL/SECAM make decipher sheet piece integrated circuit; Unifinication integrated circuit; Signal of luminance signal of this circuit input, chroma and the n that use for control are sanded fort pulse signal; But from exterior insert linear R, G, B, signal, output signal with the R that outputs at video, G, B; Apply to decipher circuit. Determine on TCL*** machine volts d.c. of function of serial number symbol (V) volts d.c. of function of serial number symbol (V) 8.1814-(R-Y)R-Y of output of memory of 0.0014CGR of ground connection of 8.1813NC of output of 3.883CBR of input of signal of chroma of 12V12.412SAT of power source of 2.882Vp of input of signal of 3.0711YY of output of 1BoB radical lubricious signal, G, B memory, G, B inputs 4.365CRR