Dicas Reparação




Modelo - Chassis F7


Pesquisa: F7 Enviar Dica Resolvida
Resultados 183
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(Chassis)
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SonyCCDF77
PART NUMBER FOR MICROPHONE WINDSCREEN/USE X-2536-720-1 What is the part number of the microphone windscreen? -HQ COMMENTS: Part number is X-2536-720-1
SonyICF7700
NO SHORT WAVE RECEPTION No short wave reception.
SonyCCDF70
CASSETTE COMPARTMENT DOES NOT LOAD OR UNLOAD The cassette compartment did not load or unload. When thecassette compartment was closed, there was not a low at pin 34 of IC-101of the FC-25 board. There was opening of the ccdown connection betweenFP-118 pin 32 and CN-007 pin 16 of the SS-93 board.
SonyWMF701C
PRESET TUNING PROBLEM WHEN USING REMOTE Preset tuning will work fine on the unit, but will not workwhen using the remote switch.
SonyCCDF70
DOES NOT EJECT Does not eject cassette or does not open when empty.
SonyCCDF70
VERY LOW AUDIO On prerecorded and self-made tapes audio playback is very low.
SonyCCDF70
NOISY PICTURE One head output is missing.
SonyWMF701C
BROKEN POST FOR REEL SPINDLE The post for the Reel Spindles (Ref. # 318 and 321) breakoff from the chassis (Ref. # 353). The post is attached to the chassisby slightly flaring the bottom of the post. In the cases I haveseen, the post simply pulled through the hole. -HQ COMMENTS:
SonyCCDF70
UNIT SHUTS DOWN AFTER A FEW SECONDS Unit shuts down after a few seconds of operation.
SonyCCDF70
EXCESSIVE NOISE ON EDGES OF OBJECTS Noise on trailing edges of objects.
SonyICF7601
NOISE THRU SPEAKER WHEN SET IS OFF Clicking noise is heard through the speaker when set is off.
SonyCCDF70
NOISE IN SLOW MOTION Slow Motion is O.K. for about 15 seconds, then noise appearsat the top and bottom of the screen. Still Adjust does not seem to work.(3 units). -HQ COMMENTS: We experienced the same effect on our lab unit. Pleasehold the Still Adjust down in the direct
SonyCCDF70
NO AF, ZOOM OR TITLE FUNCTION Unit had no autofocus, no zoom operation, no title functionand there was a flashing of light in the EVF even when unit was turnedoff. IC-200 on (SS-93) board had no clock.
SonyWMF701C
PART NUMBER MISSING FOR HEADPHONE REMOTE CLIP When unit is purchased new, there is a clip for the remote onthe headphone that allows you to clip it onto your shirt pocket. Thispart is not listed in the manual. Replacement headphones ordered throughparts department are also missing these clips. -H
SonySLHF750
NO POWER BACK-UP During power out, how long should the SL-HF750 maintain timermemory? What circuit or circuits are responsible for the memory? -HQ COMMENTS: Our lab unit holds memory for about 15 - 30 seconds. Thetransistor circuit for the power down tells the micropr


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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