PROFILO profilo sm1 28 inch chassis tv sm only 495 free download

File name profilo_sm1_28_inch_chassis_tv_sm_only_495.pdf

SERVICE MANUAL SM-1 Chassis 28"CTV SM-1 Chassis 28" Service Manual SM-1 Chassis 28" Service Manual Contents Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Recommendation for service repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Scart pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Component description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Adjustments procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Fault tracing diagram -power supply . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Description of the circuit TDA4605 (Power Supply) . . . . . . . . . . . . . . . . . . . . . . .13 CTV352S (Micro controller) . . . . . . . . . . . . . . . . . . . . .15 PCF8582A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 TDA8361/TDA8362 (Analog operation) . . . . . . . . . . . . . . . . . . .18 TDA9821 (Dual Channel - Sound demodulator) . . . .22 TDA9820 (Sound demodulator multi standard version) . . . . . . . . . . . . . . . .24 TDA9840 (Stereo / Dual sound processor) . . . . . . . . .25 TDA8425 (Hi-Fi Stereo audio processor) . . . . . . . . . . .27 TDA2616 (Hi-Fi audio power) . . . . . . . . . . . . . . . . . . . .28 TDA4661 (Base band delay - line) . . . . . . . . . . . . . . .30 TDA8395 (Secam decoder) . . . . . . . . . . . . . . . . . . . .32 TDA3866 (Quaji - split sound processor) . . . . . . . . . . .33 SAA7283 (Terrestrial digital sound decoder) . . . . . . .35 TDA4470 (Multistandard video - IF with FPLL demodulation) . . . . . . . . . . . . .40 TDA3654 (Vertical circuit) . . . . . . . . . . . . . . . . . . . . . .45 SAA5231 (Teletext video processor) . . . . . . . . . . . . . .48 SAA5243 (Teletext circuit) . . . . . . . . . . . . . . . . . . . . . .49 BUZ90 (Power fet) . . . . . . . . . . . . . . . . . . . . . . . . . .51 BUH515D (High voltage fastswitching transistor) . . . .53 BF869/871 (NPN Epitaxial planar RF transistors) . . . . . .56 Remote Sensor circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 Oscilloscope signals . . .