Dicas Reparação




Modelo - Chassis GDM20SE1


Pesquisa: GDM20SE1 Enviar Dica Resolvida
Resultados 11
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(Chassis)
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SonyGDM20SE1
VERT. LINE IN PICTURE Picture shows faint Vert bar, 5 mm wide, 1/3 from left side.Subtle effect noticeable on white raster at 640x480 and 1024x768resolution. Line location on CRT uneffected by moving raster side toside. One customer complained about it, the other didn't. Re
SonyGDM20SE1
SHUTDOWN CAUSED BY SCAN FAIL Power Save and Power indicators flash with Center indicatoron. Found IC404 caused the problem.
SonyGDM20SE1
SHUTDOWN AT TURN ON Unit shut down at turn on.
SonyGDM20SE1
NO PICTURE, NO HV, GEOM LIGHT ON Unit has no high voltage Geom light is on. Power Save andPower lights are flashing.
SonyGDM20SE1
H PIN/KEY BAL, CENTERING, AND D FOCUS OFF Unable to adjust Horiz. Pincushion and Keystone Balance.Horiz. Centering and Dynamic Focus were wrong.
SonyGDM20SE1
PICTURE OFFSET RIGHT 2 INCHES Picture was moved to right 2 inches in all modes. NormalVGA mode had enough range to set back to center, but Mode 5 and above didnot have enough range.
SonyGDM20SE1
SCAN SHUTDOWN Set in Shutdown. Flashing Power and Power Save LED's.Centering LED Lighted.
SonyGDM20SE1
ARCING PICTURE TUBE, Q511 FAILURE Q511 failures have occurred due to CRT arcing.
SonyGDM20SE1
NO OPERATION, CENTER LIGHT ON, PWR SAVE BLINKING,Q511 FAILED No operation, Has high voltage but no picture, center lightworks power saving light is blinking.
SonyGDM20SE1
UNIT SHUTDOWN, FOUND D824 SHORTED AND PS500 OPEN Unit came in with scan failure shutdown. Found D824 shortedand PS500 open. After replacing these components, the unit came up andworked but front panel buttons were locked up. I ran through the HSIwhite balance procedure per TF C/P0044 listed for th
SonyGDM20SE1
PICTURE JITTER HORIZONTALLY, CN910 PIN 11 N-BRD UNSOLDERED At first, picture would shake and change sizehorizontally. A few minutes later, the picture would stabilize.


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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