Dicas Reparação





Pesquisa:

Resultados 81731

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyXE90
NO POWER TO THE AMP OR NO AUDIO Everything lights up on front panel but no audio.
SonyKV27SXR10
INSUFFICIENT V SWEEP/SEVERE FOLDOVER ACROSS SCREEN, C-1548 Insufficient vertical sweep and severe foldover across thecenter of the screen. Most waveforms displayed distortion. By bridgingthis capacitor with another capacitor, the problem cleared. This C-1548was neither shorted or open.
SonyKV32XBR70
BLANKED HORIZONTAL LINES IN PICTURE, REPLACE D1514 AND R527 Picture looks like horizontal lines are being blanked out ran-domly. Also heard a high pitched noise from around yoke but yoke is good.
SonyXEC500
INCOMPATIBLE REPLACEMENT PART, IC901 Pin 1 of IC-901 was loading down the 14.2V at the collector ofQ-903 to about 6V. Ordered IC-901. When I received part, it was noticedthat the IC (LM2904S) had nine pins where the one removed from unit(NJM2904L) is an eight pin chip. After consulting w
SonyCCDSP9
NO COLOR IN CAMERA PICTURE No color in picture when using camcorder in the camera mode.The color was good in the VTR mode both in Playback and line in Record.
SonyCDXR66
UNIT ONLY PLAYS WHEN IN VERTICAL POSITION Unit would not play when in it's normal horizontal position.If unit was in a vertical position, it would operate normally.
SonyKV32XBR15
NO COLOR, REPLACED X-301 No color.
SonySPP90
INTERMITTENT RECEPTION AND TRANSMISSION Cordless handset won't receive. No talk light when Talkbutton is pressed. Intermittent in nature.
SonySPP50
INTERMITTENT BEEPING SOUND Intermittent beeping sound and Batt/Stdby lamp is flashing.
SonyKV27XBR50
NO PICTURE, HOR. LINE ROLLING ON SCREEN, IC-500 AND R-559 No picture only one horizontal line rolling on screen.
SonyWMD6C
SCHEMATIC DIAGRAM ERROR, C318 Page 24 identifies a 220uF, 4V cap. at coordinates E-14 asC-138. This cap. is really C-318, and the component layout and parts listare correct. The real C-138 can be found at coordinates C-18 connected topin 5 of IC-102.
SonyKV19TS20
SET WON'T TUNE CHANNELS ABOVE CHANNEL 7, REPLACE D-117 After set warms up, it would not tune in channels abovechannel 7.
SonySPP90
INTERMITTENT OPERATION Talk light goes out intermittently. Hangs up on caller.
SonySPP320
NO DIAL TONE No sound on handset. No dial tone when phone off the hook.
SonySPKTR
USE IN COLD ENVIRONMENT It should be noted that the SPK-TR is not provided withthermal insulation.



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.

Verifique se o esquema está disponível na área de downloads