Sharp 59CS-05H,66CS-05H free download

File name 59CS-05H,66CS-05H.PDF

CTV990113 Month of Issue: January 1998 Classification: White TELEVISION TECHNICAL BULLETIN Page 1 of 2 MODELS 51CS03H 51CS05H 59CS03H 59CS05H 59CSD8H 66CS03H 66CS05H 66CSD8H Symptom Possible Remedy Dead no sound or vision) Q701 & Q601 failed * D609, D610, D720, D718, Q702, Q703, C601, C604, C619, C714, C708, R706, R707, R720 and inspect scan coils and scan coil socket for bad connections. Q601 failed D609, D610, C601, C604, C619 and inspect scan coils/scan coil socket for bad connections. Q601 s/c and failure of audio o/p stage Q601 failed due to missing - 16V rail (supply to o/p stage). Leave Q601 out of circuit until you have confirmed that both the +16V and the -16V rails are correct. No voltage at Q701 drain Technical Bulletin CTV970201 (Issued Feb 97) NICAM LED on or flashing (aerial disconnected) See flowchart on page 2 HT rail present, no line drive, NICAM LED switches on for Check R611 and IC201 3-6 seconds then goes off (ariel disconnected) Keeps switching to standby Check audio output stage for a short circuit HT rail missing-unsolder pin 2 of 0V Power supply not running (check CTV is not in LOPTX and measure the HT rail standby mode 20V-40V Short on one of the secondary LT supply rails e.g. audio o/p stage 110V-150V Short circuit on line o/p stage Line drive pulsating IC401 not communicating with micro Line drive pulsating and R628 (R634 in later Q704 (low standby/sound 5V rail) models) burning Slow start up i.e. more than 3-6 seconds for C714 (please ensure that th