4BSC 66AS05H Repair Tips




Search: 4BSC 66AS05H
Results 9
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Sharp4BSC 66AS05H
stuck in stby, when brought out LED goes green, quick burst of EHT, then shuts down with LED redSMD Q606 2SC2412 leaky
Sharp4BSC 66AS05H
No line aft repairing dry joints scan coil & LOPTr s/c LEDs sw between Red/Greenleaky s.m. transistor Q606 [2SC2412] in the line drive circuit.
Sharp4BSC 66AS05H
No E-W corr aft replacing TDA8170 FOP chip, R645 & C506 for tripping offQ603 2SD1913S collector base leakage, and C603 4.7uF high ESR
Sharp4BSC 66AS05H
excessive width with E-W errorL601 shorted turns (RCILP0104CEZZ)
Sharp4BSC 66AS05H
Dead with tickingLOPTr s/c due to dry joints scan coil plug
Sharp4BSC 66AS05H
Dead - no line driveIC800 MC44002 jungle chip faulty
Sharp4BSC 66AS05H
Dead - LOPTr 2SD1546 failedReplacement 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
Sharp4BSC 66AS05H
DeadLop tr Q600 2SD1546 u/s. Line drive wfm at C607 cramped - Q606 2SC2412 sm leaky
Sharp4BSC 66AS05H
blank raster, OSD okSMD Q400 2SC2412/BC848 s/c (video buffer transistor)