Dicas Reparação




Modelo - Chassis SLHF860D


Pesquisa: SLHF860D Enviar Dica Resolvida
Resultados 10
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySLHF860D
NO TUNER OPERATION Tuner locked up can't change channel no channel display. Found that a defective S001 was holding the input select pin (IC301-2) inthe line position.
SonySLHF860D
EJECTS TAPES AFTER THREADING: REPLACE IC401 ST-17 BD Sometimes unit will accept and play pre-recorded tapes. Butmost times, it will eject tapes upon threading. Also, not as oftenafter recording will rewind and playback at slow motion. Replacing S901and (201) rotary SW (encoder) did not correct the probl
SonySLHF860D
PART NUMBER FOR RECORD BUTTON A Servicer here requires the record button for the abovemodel, but when he orders Ref. N0. 7 in the attached diagram, he onlyreceives the cover by itself. He needs a part number for the actualrecord slide button by itself. Can you please help? -HQ COM
SonySLHF860D
UNIT WOULD NOT TURN ON - OR ACCEPT INPUT COMMANDS Unit would turn on, accept cassette, load and thread tape butwould not accept any further input commands (no play, eject etc.). Itwould not even turn off. You would have to unthread manually pin 63,IC-501 had no DC voltage on it - it was already low.
SonySLHF860D
UNIT WILL NOT RECORD Unit would not record - playback was ok. Scope shot revealedsignal was present at pin-23 of IC-201 but nothing at the output pin 17.Pin 17 also had 6-3Vdc on it at all times.
SonySLHF860D
WILL NOT PLAYBACK OR RECORD Unit will accept tapes, load, threads and you can rewind orFFW. If you hit (Play) or Record, there is no movement and no buttonswill work even Power ON/OFF. You have to unplug the unit to eject thetapes again.
SonySLHF860D
TRACKING CONTROL HAS NO EFFECT Fifty percent duty cycle pulse at pin 2 of IC-404. Signalshould be varying pulse. 2V square wave set by the tracking controlbuttons. This signal is then sent to pin 3 of IC-001 (drum/capstan servochip). disconnected pin 2 IC-404. Signal then shows n
SonySLHF860D
ERROR IN SREVICE BULLETIN NO. 27 - CSV-2 Service bulletin 27, CSV-2 is incorrect. Solution statesadding a L.P.F. filter between collector of Q653 to ground diagram showsL.P.F. between collector Q653 and SWD 9V.
SonySLHF860D
CLOCK GAINING 20 MIN/HR Clock gaining 20 min/hr.
SonySLHF860D
PICTURE BREAKUP DURING PICTURE IN PICTURE MODE During picture in picture, inserted picture was broken into 5horizontal lines across entire bottom of screen.


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