sharp DV6632 Repair Tips




Search: DV6632 sharp
Results 13
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Sharp DV6632H 4BS-C
Led changes from green to red, fails to start up, no EHT but secondary voltages in psu ok 150V okCheck Q601 and Q606, these are Q600 LOPT drivers, there should be 2V P-P on base of Q606 and 150V on collector of Q601, replace Q606 with a BC182 check pinout
SharpDV6632H
TrippingDry joints scan coil plug & leaky LOPTr BU508AF
SharpDV6632H
Shuts down completely aft Red then green LED briefly litField o/p chip TDA8170 & R645 1R 1w - check 3x100µ caps behind fop chip
SharpDV6632H
Ragged verts & E/W distC623 4µ7 63v in E/W cct by Q603
SharpDV6632H
FB lines at top (R,G,B) & shaking pic with pullingC506 100µ 65v, C623 4µ7 100v
SharpDV6632H
Dead - chopper tr 2SD1546 s/cCheck dry joints in psu esp on Q603 & R710 100k 2w hi res & IC700 MC446022P2 shorted
SharpDV6632
INT BLOWING LINE O/P TRANSISTOR OR INT LINE COLLAPSECHECK FOR DRY JOINTS ON SCAN PCB ON CRT
SharpDV6632
Dead - when sw on from st/by led goes green for 5 secs then reverts to redprocessor IC800 MC44002
Sharp4BSC DV6632H
very faint colour lines on the topC501 VCEAGA1HW107M, C506 VCEAGA1VW107M leaky
Sharp4BSC DV6632H
repeated failure of LOPTrresolder scan coil connections
Sharp4BSC DV6632H
line pulling, bent verticalsC623 4.7uF 50V next to Q603 regulator
Sharp4BSC DV6632H
frame foldover at the topC505 100uF 40V
Sharp4BSC DV6632H
burst of EHT then shuts downIC500 TDA8170 s/c R645 1R 1W o/c