Sunday, June 05, 2022

Philips 14PT3131-78R, 14PT4131-78R, 20PT3331-78R, 20PT4331-78R, 21PT4331-78r - CRT TV – circuit diagram (schematic)



 

Block diagram

Power supply (SMPS) TEA1506T – SMPS CONTROL IC

Line deflection circuit

Video processor section circuit

Audio processor section circuit

Audio amplifier – Mono circuit

Audio amplifier – Stereo – schematic

CRT Base card schematic


No comments: