Dicas Reparação




Modelo - Chassis STRAV560


Pesquisa: STRAV560 Enviar Dica Resolvida
Resultados 8
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySTRAV560
NO VOLUME CONTROL - CORRODED CONNECTIONS ON IC301 It was not possible to control the volume. It appeared as ifthe ASP/IC-602 was defective. All other ASP functions (switching, bass,treble) worked fine. The problem was caused by corrosion on the DisplayController/IC-301 around pins 1 to 5. These are
SonySTRAV560
REMOTE REPLACEMENT Customer wants replacement for RM-S760 remote. These unitsare no longer available. Is there a replacement for this model? -HQ COMMENTS: The replacement is RM-S520. The part number isA-4372-026-A.
SonySTRAV560
MISSING PART NUMBER S/M does not list a part number for the front panel. -HQ COMMENTS: Part number for front panel is X-4906-723-1 for STR-AV560 X-4906-713-1 for STR-AV760
SonySTRAV560
POOR AM/FM SENSITIVITY Unit had poor sensitivity on both AM & FM. CPU would lock upon some of the functions.
SonySTRAV560
NO AUDIO OUTPUT No sound output. Display and all tuning functions workedwithout error. Audio signal was at the input of IC602 ASP chip but nosignal was being switched out. Found Pin 21 clock signal being held at4.8VDC. Traced this voltage back to main board to Q221.
SonySTRAV560
NO FM OR AM No FM.
SonySTRAV560
NO MEMORY Line surge, due to lightning in the area, clears memory.Have had this customer bring unit in two times same day. Second unitgiven to customer, same problem, would suggest reset button on back ofunit, so customer could reset and reprogram. -HQ COMMENTS:
SonySTRAV560
NO AM OR FM No AM or FM reception. When heating XT201, normal functionreturns.


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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