Dicas Reparação




Modelo - Chassis TCFX44


Pesquisa: TCFX44 Enviar Dica Resolvida
Resultados 9
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTCFX44
LEVEL METER JUMPS Left meter indication would bounce up to about 0dB, evenwith no input. The motorboating sound typically present with this symptomwas missing. Unit otherwise operated normally. Record and playback wereaudibly OK. Meter assy was replaced, problem persi
SonyTCFX44
POOR FREQ RESPONSE The REC/PB head being supplied for replacement is an8-729-373-40. This head exhibits very poor freq. response in playback.A significant roll off takes place at 6kHz. Recordings plays back onanother deck are acceptable. We need either the correct head
SonyTCFX44
INTERMITTENT FF, PAUSE AND AMS FUNCTIONS The FF lock lever assy (P/N X-3307-348-0) would not alwayscatch the FF lever as it came down towards the FF cam gear (P/N3-307-401-00). This was due to the FF levers poor manufacture.
SonyTCFX44
MOTOR BOATING DURING RECORD Unit motorboats intermittently during record, putting soundon tape.
SonyTCFX44
DEFECTIVE RY301 This unit would play back fine. However when recording therewere intermittent passages with MOTORBOATING. We found RY301 (whichswitches the head between PB and REC) to be defective. This caused a poorground connection on the head.
SonyTCFX44
DEFECTIVE RELAY Erratic system control operation. When record button isdepressed, unit will intermittently enter rewind mode after 2-3 sec(record deactivates). Results from high resistance of relay contacts.
SonyTCFX44
DEFECTIVE C505 With the cassette door open and power applied, this deckwould go into play mode, although the play led was not lighted.
SonyTCFX44
CAPSTAN SHAFT HAD TO BE TILTED A few seconds after engaging play mode, the tape would skewtoward the chassis and wrinkle. On two of these units, this would occurintermittently.
SonyTCFX44
BURR ON CAM No fast forward.


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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