Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81393
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyITA100
NO POWER - REPLACE IC304, P/N 8-759-260-72 No power. Found voltage detect IC304 shorted.
SonyITA100
NO ILLUMINATION ON POWER LED - RESEAT CONNECTOR CN301 No illumination of power led LD502. CN301 connector was loose.
SonyITA100
INTERMITTENT TELEPHONE LINE SEIZURE - RESEAT HSW101 Intermittent telephone line seizure. Found Hook switch HSW101intermittent.
SonyITA100
NO ANSWERING MACHINE FUNCTION, DEFECTIVE TIME STAMP Cracked traced at DC in jack J301 (-) to JP488.
SonyITA100
NO ERASE - REMOVE SOLDER SHORT ON ERASE HEAD HRPE301 Unit would not erase messages. Found solder short to groundonto erase head HRPE301.
SonyITA100
DAMAGED BUTTONS - RESEAT RUBBER KEY SWITCH (REF 8) Rubber key switch was misaligned. -SOLUTION Reseated rubber key switch.
SonyITA100
DEFECTIVE RECEIVER - REPLACE HANDSET No dial tone heard in handset, mic is ok, found speaker insidereceiver defective, measured open.
SonyITA100
INTERMITTENT MECHANICAL MOTION - RESOLDER MOTOR M301 Intermittent mechanical motion. Found cold solder on motor(whitewire) M301.
SonyITA100
NO RECORD (ICM, CONV, AND MEMO) - RESOLDER HRPE301 Unit would not record. Found white wire on the tape head(HRPE301) cold soldered.
SonyITA100
NO ERASE - REPLACE HEAD HRPE301, P/N 1-500-123-11 Unit would not erase. Found head HRPE301 open.
SonyITA100
UNIT PLAYS FAST - REPLACE DECK MECH (REF 51), P/N 155097911 In the play mode, the head, record playback was notfunctioning properly (it stuck).
SonyITA100
MECHANICAL NOISE - REPAIR/REPLACE MECH (REF 51) When mech is playing, a clicking noise is heard. -SOLUTION Repair/replace mech.Also pertains to SN 37906, 19377, 36905
SonyITA100
DEFECTIVE PLAY/STOP BUTTON - CLEAN MECH ASSY (REF 51) Unit could not find memo message. Found plate reflectorsdirty on mech assy for ph301 sensor.
SonyMDP750
DISTORTED COLOR--LOOKS LIKE PAINTED EFFECTS Dealer stock unit, dealer complained about distorted colors onLD playback. Servicer found unit had smeared, wavy colors that looked likesome kind of painted special efx. Traced problem to connectors CN791, 792,and 793 on the ME-703 Digital Memory board.
SonyMDP605
WILL NOT PLAY "B" SIDE UNIT HAS HARD TIME MOVING THE FOP MECH UP ELEVATOR. THENYLON LOCK WASHER WAS REPLACED BUT UNIT WAS IN BECAUSE THE CENTER WASCONCAVED DUE TO PRESSURE OF GEAR GOING UP ELEVATOR. THIS TIME THE WASHERWAS CONCAVED AGAIN.


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