Dicas Reparação





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Resultados 81730

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTAM30
WRONG PART NUMBER IN SERVICE MANUAL Part number (page 21, reference No. PH-2) 8-719-710-34 isincorrect.
SonyCCDF55
REEL GRINDING DURING THREADING Capstan motor high speed when set to play made a reel grindingnoise during threading.
SonyCCDF56
REEL GRINDING DURING THREADING Capstan motor high speed when set to play made a reel grindingnoise during threading.
SonyGV9
PICTURE HAS A GREEN DOT Picture has green dot in the center of screen about one inchup from the bottom.
SonySLV555UC
STILL NO REWIND WHEN PHOTO SENSOR KIT IS INSTALLED After kit was installed, found high speed Rewind is too slowand normal Rewind to shut down.
SonyKPR4110
HORIZONTAL BLACK LINE 1/2 UP FROM BOTTOM OF SCREEN, C-5079 Unit displayed a black line resembling a pencil score markhalfway up from the bottom of the screen going horizontal across thescreen. This line was no more than 1/16 of an inch in diameter. Linedissipated after first five minutes of operation.
SonySLV555UC
UNIT SHUTS DOWN Unit shuts down from low amplitude drum FG. Waveform shape iscorrect but the peak-to-peak level is only 1.5 volts.
SonyMDP510
DOES NOT PLAY ON CD BUT PLAYS FINE ON LD Plays fine for LD and CDV but when CD is inserted the FOPkeeps moving inside making mechanical noises.
SonyD180K
FLASHING LIGHTS - NO OPERATION X-601 was oscillating erratically causing erratic operation ofIC-504 PWM Driver.
SonyITA850
NO MEMO RECORD When MEMO/REC is pressed, the OGM will fast forward to the endof the tape and an error beep will sound.
SonyCCDF33
NO VIDEO No output video.
SonyCCDTR4
IRIS INTERMITTENTLY OPENS/CLOSES Iris intermittently opens/closes.
SonyCCDF55
NO VIDEO FROM CAMERA No video from camera.
SonyKV32XBR70
DEAD, REPLACE Q-505, Q-503 AND R-571 The PCB and the pictorial have the legs of Q-505 mislabeled.I believe reverse the base and emitter for proper installation. Even whenQ-505 is on heat sink, it can be reversed. On this set, Q-505 was shortedalong with Q-503 and R-571. Replacement did n
SonyKPR46CX10
VERTICAL SWEEP COLLAPSE, REPLACED Q-403, 404, AND 405 Failure caused CRT Permanent damage (Red CRT).



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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