| Make | Model | Problem | Solution | Date |
| | | |
| Found: 36
|
| Bush | 28ZKFWST66 | Blank raster | Check TP6 BD441 5v reg, dry joints chopper trfmr | 14-09-04 |
| Sanyo | CE28FWN2 | Dead - 4A internal fuse o/c | Replacement brought set to life - no other fault found | 14-09-04 |
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| Sharp | 56FW-53H | Dead & E/W problems | LOPTr BUH515 leaky, C613 SH1010 - CHS dry jointed & o/c - cause of problem, L603 RCILP0286BMZZ, Q506 RHTX0151BMZZ(2SD2391Q) sm E/W Tr, R613 3k3 3w, D516 47v zener | 14-09-04 |
| Sharp | 56FW-53H DA50W | E/W faulty | C613 560nF 250v o/c in LOP stage | 14-09-04 |
| Sharp | 56FW53H | Blows LOPTr int at sw on | C607 330µ in line driver | 14-09-04 |
| Sharp | 56FW53H | Dead - LOPTr s/c | Fit new BUH515, check for dry joints C613 & C607 330µ 10v hi esr | 14-09-04 |
| Sharp | 56FW53H | Lines of R, G & B at top of screen & pin cush dist at top | Need to set up NVM values for specific crt type obtained from Sharp Tech bulletins. Also may need to alter geometry settings in service mode. | 14-09-04 |
| Sharp | 56FW53H | No audio | IC302 (TDA7480) l/h audio o/p Ic (about 8ukp from Seme) and two chokes connected to it L315/L316 (3.3microH) (about 1.50ukp packet of 5 from Farnell) were burnt to a crisp.After replacement I still had no l/h audio, found Q306 (2SC2412 sm) s/c in the +5v feed to the Ic (I used a BC847) | 14-09-04 |
| Sharp | 56FW53H | Service mode access | Switch on with vol down & Ch up buttons pressed. The ch up/down & vol up/down buttons on the handset are used to alter values & each setting must be stored by pressing St/by | 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 |
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| Sharp | 76FW-53H | No pic - sound ok | When A1 advanced, blank raster with bottom foldover - Q503 IRFR010TM flyback FET leaky pt no RH-TX0172BMZZ. If no pic check pin 11 IC801for 50Hz pulse 4v peak, if missing then FOP fault | 14-09-04 |
| Sharp | 76FW-53H DA50W | Snowy pic | Tuner TH201 pt no RTUNH0123BMZZ | 14-09-04 |
| Sharp | 76FW-53H DA50W | White line down middle (line coll) | C620 overheated & o/c due to C613 dry joints & R613 overheated | 14-09-04 |
| Sharp | CA100 76FW54H | NICAM LED on, icon on screen channel display says 'MONO' (no stereo) | corrupted EEPROM. Replace IC1003 and IC1004 together, part no RHIX1603BMZZ | 14-09-04 |
| Sharp | DA100 56FW53H | excessive width, about 4'' too wide | Q506 leaky (RHTX0151BMZZ) | 14-09-04 |
| Sharp | DA100 56FW53H | no NICAM, 'mono' on screen display | IC201 TDA4472MFL (RHIX1672BMZZ) | 14-09-04 |
| Sharp | DA100 56FW53H | tripping at start-up, LED flashing on/off, will come on after 30 min | IC1001 micro RHIX1686BMZZ, may be proven using hairdryer/freezer | 14-09-04 |
| Sharp | DA100 56FW53H, etc | frame cramp at top or int. frame collapse | C502 470uF 25V | 14-09-04 |