Dicas Reparação




Modelo - Chassis HST201


Pesquisa: HST201 Enviar Dica Resolvida
Resultados 8
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyHST201
NO AM/FM - RESOLDERED X600 No AM/FM. Other functions OK.
SonyHST201
NO POWER - D907 FAULTY CAUSING LOSS OF +5V (B+) No power and no functions.
SonyHST201
VOLUME GOES UP BY ITSELF AND TAPE DECK IS INOPERABLE Volume goes up by itself as soon as unit is turned on and tapedeck is inoperable. Found C-910 open.
SonyHST201
BUZZING SOUND Buzzing sound on all functions with the graphic equalizer con-trol to maximum and volume control to minimum.
SonyHST201
BOTH TAPE DECKS AREN'T WORKING - CAPSTAN PUSHED BACK Everytime customer put a cassette into the unit the capstanwas pushed back because the plastic washer cannot hold the capstan inplace.
SonyHST201
SERVICE MANUAL DESCREPANCIES - S902 AND S904 The service manual shows two switches (S902 - A deck/S904 - Bdeck) which are not actually in the unit. The pads where the switches aresupposed to be are jumpered with solder. This results in the capstanmotors running constantly as long as the system is
SonyHST201
TAPE (A) WON'T PLAY Tape (A) won't play. Found bad motor.
SonyHST201
PART NUMBER MISSING IN SERVICE MANUAL The Service Manual doesn't list a P/N for part reference no.169 on page 24. There are also two reference number 158 parts shown indiagram.


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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