Make | Model | Problem | Solution | Date |
| | | |
Found: 62
|
Sharp | 37AM23H 5BSA | Service mode adjustments | Hold vol up, vol down & chan up buttons whilst switching on | 14-09-04 |
Sharp | 37AM23H 5BSA | Snowy & buzzing - wont tune or prog properly | EEPROM IC1002 replacement reqd | 14-09-04 |
Sharp | 5BSA | Blank raster with fb lines (sound ok) | D1002 near r/c rx - 1N4148 ok | 14-09-04 |
Sharp | 5BSA | Dead - LED pulses red | 5VB o/p low - Q708 BC338-40 & D715 5v1zener | 14-09-04 |
Sharp | 5BSA | Dead - s/c across lop tr | LOPTx faulty - orig replacement also faulty | 14-09-04 |
Sharp | 5BSA | Field scan reduced | C713 1000µ 16v faulty | 14-09-04 |
Sharp | 5BSA | Incorrect line freq | check supply to IC801 MC44007 - if low check caps in psu - C713 1000µ 16v, C712 220µ 16v, C714 470µ 10v, C716 100µ 16v, C719 470µ 35v & C604 / C622 220µ 10v in line dr | 14-09-04 |
Sharp | 5BSA | Int dead then perm dead | dry joints, R611 3k3 ?w was 2k5, no line drive - no 5v to IC801pin 35. Q708 BC338-40 reg o/c | 14-09-04 |
Sharp | 5BSA | No sigs - searches but won't store | AFT switched off in service mode | 14-09-04 |
Sharp | 5BSA | No sound/pic & all o/p volts a third down | Q509/510 in fop s/c | 14-09-04 |
|
Sharp | 5BSA | No Txt | Q806 sm 2SC2412 - feeds CVBS sig to pin 30 micro IC1001 | 14-09-04 |
Sharp | 5BSA | slightly off tune | reprog afc - loc OD - set data to 9F - how to access prog mode?? | 14-09-04 |
Sharp | 5BSA | To enter service mode | Press chan up & down buttons together whilst sw on tv | 14-09-04 |
Sharp | 5BSA | tuner drift - exasapated by pcb flex | C1013 100n sm cap cracked & leaky | 14-09-04 |
Sharp | 5BSA | Various inc field cramp, r/c non funct & int lop tr failure | C713 1000µ 16v in -10v line | 14-09-04 |
Sharp | 5BSA 37AM23 | No line drive - some sound | Q 605 (s.m. pnp transistor) was O/C | 14-09-04 |
Sharp | 5BSA 51AT15 | Dead symptoms with psu running | No line drive base Q603, no 5v supply pin 8 EEPROM IC1002 as 5v reg tr Q704 BC338-40 o/c emitter | 14-09-04 |
Sharp | 5BSA 51AT15H | appears dead, LED is green | Q704 BC338 o/s | 14-09-04 |
Sharp | 5BSA 51AT15H | Corrupted service mode settings after replacement of Q601/2 | No stopping when tuning, height and vert posn out - set AFC optione byte to '9F' | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | LOPTr, Q509, Q510 & C713 | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | C713 1000µ 25v hi esr caused failure of Q509 BC635 & Q510 BC338 in field cct | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | C716 100µ hi esr | 14-09-04 |
Sharp | 5BSA 51AT15H | dead | Q601 BU508DFI s/c (use correct type) | 14-09-04 |
Sharp | 5BSA 51AT15H | dead | LOPTr reads s/c in situ, check R622 - one of its ends shorting to earth print | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead - LOPTr BU508DF1 blown | When Tr replaced , overheats due to leaky line dr Tr Q602 BC635 - fitted BC639 in lieu (checks ok out of cct) | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead - no LED | caps in psu sec plus BU508DF1 & 2SC335-19 dr tr - NOTE MUST use correct replacements or will not work properly IE brushing if dr tr incorrect | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead - no start up | C713 1000µ 25v hi esr & Q601 BU508DF1 LOP tr s/c | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead BU508DF1 LOPTr s/c | Replaced with BU2508DF - given as equiv but DOES NOT work! Use correct Tr & replace C713 1000µ hi esr | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead st/by only | No line drive from MC44007 ic; 5v supply ok in st/by but dropped when sw on - BC338-40 tr cooked up | 14-09-04 |
SHARP | 5BSA 51AT15H | DEAD WITH GREEN LED | CHECK Q704 BC338 | 14-09-04 |