| Make | Model | Problem | Solution | Date |
| | | |
| Found: 12
|
| 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 | 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 |
| Sharp | DA100 56FW53H, etc | modification | Sharp advise to fit avalanche diode (RHEX0875BMZZ) across C720 (150V rail smoothing cap) to limit any damage in event of a fault in PSU | 14-09-04 |