Make | Model | Problem | Solution | Date |
| | | |
Found: 711
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SHARP | 66CS03H | FRAME BOUNCE WITH ROLL ON TEXT | REPLACE C604 330MFD10V | 14-09-04 |
Sharp | 66CS03H | INTERMITTANT BLOWING OF Q601/Q701 | REPLACE C604, R638 AND R641 | 14-09-04 |
Sharp | 66CS03H | Line o/p tr BUH515 int blows at sw on | C604 330µ 10v | 14-09-04 |
Sharp | 66CS03H | Out of focus col blobs in raster & no sound | 45v to fop & audio stages missing. R643 5R6 o/c & D623 10v zener cooked but R643 overheats when sw on. Remove Q509 (fop feed) ; no -13v at Q508 emitter as R631 o/c; ok when former replaced | 14-09-04 |
Sharp | 66CS03H | SLOW START FROM COLD | REPLACE C714 1000MFD10V | 14-09-04 |
Sharp | 66CS03H | St/by only | Ripple on 5v supply caused by C714 1000µ 10v low cap | 14-09-04 |
Sharp | 66CS05 | Field top cramp when cold | C517 22µ | 14-09-04 |
Sharp | 66CS05 | Long time to come on | C714 1000µ | 14-09-04 |
Sharp | 66CS05 | No sound/pic but dull raster with purity type errors | R631 (not a resistor but a fuse)- D623 10v zener sm & R643 5R6 | 14-09-04 |
Sharp | 66CSD8H | Service mode entering | PRESS CH+ AND VOL- AND SWITCH ON | 14-09-04 |
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Sharp | 66DS-03H CA10 | Dead - psu blown up due to faulty opto coupler | Replace Q702, 703 etc & opto - careful not to overheat it when soldering new one in or hi HT persists See Sharp Tech bulletin CTV20010101 | 14-09-04 |
Sharp | 66DS03H | Field collapse then dead | C613 dry joints | 14-09-04 |
Sharp | 66ES03 | Dead still, after psu & LOP stage rebuild | C607 330µ in psu sec & check other caps in the region | 14-09-04 |
Sharp | 66ES03 | Field collapse | F601,F602,Q501,Q502 | 14-09-04 |
Sharp | 66ES03H | Service mode entering | Vol down & Channel up at switch on - go to st/by to store | 14-09-04 |
Sharp | 66FW-53H DA100 | Dead - LOPTr s/c, C720 100µ 200v split open | opto-coupler (IC705) and the two damaged components above (Q601 & C720). Fit avalanche diode across C720
to prevent future damage (cathode to positive). A new TEA5101A (IC1801) was also fitted on the CRT panel as a precaution | 14-09-04 |
Sharp | 66FW-53H DA100 | Stuck in standby ,only orange LED | Replace opto coupler IC705, Q601 (BUH 515), Q5408 / Q5407 and R5425 (470ohm) on tube base. C720 (200V/100uf.) Add avalanche diode RH-EX0875BMZZ across C720 | 14-09-04 |
Sharp | 66FW-53H DA50W | LOPTr BUH515 fails at sw on | Check for dry joints in line driver & o/p stages & replace C607 33025v in driver | 14-09-04 |
Sharp | 66FW53H | Dead with bang | C720 blown, R765 & 766 100R sm o/c, R623 1R o/c & Q601 BUH515 s/c, caused by opto IC501 MOC8106 | 14-09-04 |
Sharp | 66FW53H | LOPTr repeated failure | LOPTx faulty | 14-09-04 |
Sharp | 66FW53H | Rotated pic (not horizontal) | Replaced the following in rotation control cct on crt base - IC1601 VHIBA4558F/-1 (BA4558 ic), Q1603 VS2SC2412KQ-1 (2SC2412 trans), Q1604 VS2SA1037KQ-1 (2SA1037 trans) | 14-09-04 |
Sharp | 66FW53H | St/by only | R714 560k start up res - also check R713 560k | 14-09-04 |
Sharp | 66FW53H | St/by only | D735 (RH-EX0875BMZZ), IC705 CNY17F-2 (RH FX0110BMZZ, C720 100µ 200v - use heat sparingly when fitting new opto | 14-09-04 |
Sharp | 66FW53H DA100 | Constant trip | Bypassing prot (s/c pin 15 IC702 to chassis) brought pic on with limited functions - sm NVROM chip faulty & adj geometry settings (maunual reqd) | 14-09-04 |
Sharp | 66FW53H DA100 | Dead | IC 705 RH-FX0110BMZZ, CNY17F-2; C720 RC -EZ0258CEZZ, 100UF 200V; D735 RH-EX0875BMZZ DIODE AVALANCHE; D712 RH EX0419BMZZ, DIODE15 ZENER; Q701 RH-TX0198BMZZ S5410N80A ; Q702 RH-TX0182BMZZ 2PD602AR[s.m.]; Q703 RH-TX0151BMZZ 2SD2391Q [s.m.] | 14-09-04 |
Sharp | 66FW53H DA50W | Contrast level reduces aft 20 mins | IC1801 TEA5101B RGB chip on crt base | 14-09-04 |
Sharp | 66FW53H DA50W | Sound dist | IC1300 sm chip on plug in pcb overheats & contaminates board - exchange boards reasonable price pt no DUNTK7285BMW1 | 14-09-04 |
Sharp | 66FW54H | Int red pic | O/P IC on crt base faulty | 14-09-04 |
Sharp | 66GF63H | Bright picture F/B lines. 2 volts on pin 2 of ic1801 | Q912 O/C. Replace q912, d1805 & c1815 | 14-09-04 |
Sharp | 66GF63H | Bright raster with fback lines | pin 2 IC1801 on CRT only 2V caused by Q912 o/c BC337-40 (Sharp special - normal one overheats) Also check D1805 & C1815 both sm on crt base | 14-09-04 |