| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sharp | 4BSC 66AS05H | stuck in stby, when brought out LED goes green, quick burst of EHT, then shuts down with LED red | SMD Q606 2SC2412 leaky | ||
| Sharp | 4BSC 66AS05H | No line aft repairing dry joints scan coil & LOPTr s/c LEDs sw between Red/Green | leaky s.m. transistor Q606 [2SC2412] in the line drive circuit. | ||
| Sharp | 4BSC 66AS05H | No E-W corr aft replacing TDA8170 FOP chip, R645 & C506 for tripping off | Q603 2SD1913S collector base leakage, and C603 4.7uF high ESR | ||
| Sharp | 4BSC 66AS05H | excessive width with E-W error | L601 shorted turns (RCILP0104CEZZ) | ||
| Sharp | 4BSC 66AS05H | Dead with ticking | LOPTr s/c due to dry joints scan coil plug | ||
| Sharp | 4BSC 66AS05H | Dead - no line drive | IC800 MC44002 jungle chip faulty | ||
| Sharp | 4BSC 66AS05H | Dead - LOPTr 2SD1546 failed | Replacement only lasted days - IC800 MC44002P line drive pin 12 only 1v instead of 3v - chip faulty. Also check state of Q601 2SC2271 dr tr & Q606 pre driver tr | ||
| Sharp | 4BSC 66AS05H | Dead | Lop tr Q600 2SD1546 u/s. Line drive wfm at C607 cramped - Q606 2SC2412 sm leaky | ||
| Sharp | 4BSC 66AS05H | blank raster, OSD ok | SMD Q400 2SC2412/BC848 s/c (video buffer transistor) |