Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81546
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyICFC805W
DEFECTIVE IC AND R602 No light in display tube. Low B+ to IC.
SonyICFC805W
BRIDGE SOLDER CONNECTIONS ON PCB Clock running 10 seconds fast per minute.
SonyICFC511W
DEFECTIVE CLOCK The time the alarm is set for moves with the rest of theclock. It will not stay at the time set.
SonyICFC411W
INCORRECT PART NUMBER - REVERSED Incorrect part number - reversed.
SonyICFC410W
DEFECTIVE D4 Continuous hum as if bad filter capacitor caused by shorteddiode, D4 replaced D4.
SonyICFC33W
DISPLAY TOO BRIGHT Customer complains that display is too bright and wants toknow if his unit can be modified to correct his complaint. -HQ COMMENTS: Safety regulations do not permit changing the value of thecomponent that controls lamp brightness.
SonyICFC15W
DEFECTIVE POWER TRANSFORMER Dead. Check for hum in radio when repaired.
SonyICFC15W
DEFECTIVE IC - MM5387N Hour numbers jumped from 4 to 7, 8 back to 7 instead of 4, 5,6, 7.
SonyICFC15W
SHORT IN PCB No clock read out. Voltage on grid too low.
SonyICFC11W
POOR CONTACT No alarm, switch was not making proper contact.
SonyICFC11W
POOR CONNECTION IN SWITCH Cannot set alarm.
SonyICF9650W
CRACK IN PCB No sound, dial lamp lights, found no B+ to radio.
SonyICF9650W
BREAKS IN PCB Circuit board broken at 3 out of 4 places where circuit boardis mounted on front panel. No damage visable on main cabinet assy.,packing or box.
SonyICF9650W
COLD SOLDER JOINT T404 Hum only, no AM, no FM, B+ for radio was only 1.5V insteadof 7.5V.
SonyICF9650W
BREAK IN PCB Dial light works, no sound.


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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