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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 12
Sharp
4BSC
DV6632
H
burst of EHT then shuts down
IC500 TDA8170 s/c R645 1R 1W o/c
14-09-04
Sharp
4BSC
DV6632
H
frame foldover at the top
C505 100uF 40V
14-09-04
Sharp
4BSC
DV6632
H
line pulling, bent verticals
C623 4.7uF 50V next to Q603 regulator
14-09-04
Sharp
4BSC
DV6632
H
repeated failure of LOPTr
resolder scan coil connections
14-09-04
Sharp
4BSC
DV6632
H
very faint colour lines on the top
C501 VCEAGA1HW107M, C506 VCEAGA1VW107M leaky
14-09-04
Sharp
DV6632
Dead - when sw on from st/by led goes green for 5 secs then reverts to red
processor IC800 MC44002
14-09-04
Sharp
DV6632
INT BLOWING LINE O/P TRANSISTOR OR INT LINE COLLAPSE
CHECK FOR DRY JOINTS ON SCAN PCB ON CRT
14-09-04
Sharp
DV6632
H
Dead - chopper tr 2SD1546 s/c
Check dry joints in psu esp on Q603 & R710 100k 2w hi res & IC700 MC446022P2 shorted
14-09-04
Sharp
DV6632
H
FB lines at top (R,G,B) & shaking pic with pulling
C506 100µ 65v, C623 4µ7 100v
14-09-04
Sharp
DV6632
H
Ragged verts & E/W dist
C623 4µ7 63v in E/W cct by Q603
14-09-04
Sharp
DV6632
H
Shuts down completely aft Red then green LED briefly lit
Field o/p chip TDA8170 & R645 1R 1w - check 3x100µ caps behind fop chip
14-09-04
Sharp
DV6632
H
Tripping
Dry joints scan coil plug & leaky LOPTr BU508AF
14-09-04
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