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Resultados 81729

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCFD68
STRIPPED GEAR - REF202 Gear has two teeth tracks. Smaller set at center of gear hashad teeth broken off all around. No proof, but appears the problem is dueto an intermittent limit switch. FOP will come in to read T.O.C. andsled motor will continue to run, causing gear to sh
SonyCCDG1S
DEAD DC DC convertor would not turn on. Placing 4 volts DC onoutput of IC-431 caused the unit to work.
SonyKV27XBR10
INTERMITTENT VERTICAL COLLAPSE, REPLACED THE ARCING CRT This unit had a vertical collapse problem due to static sig-nals getting into the jungle IC-301. One way to isolate the problem isto monitor vertical drive of pin 31 of IC-301 with a scope. Made a note ofthe interuption of the vertical signal of pin 31.
SonyKV2675R
RELAY CHATTERS, C-609 OPEN When unit is turned on, relay chatters and shuts down.Replaced relay and traced to C-609 which was defective.
SonyTAE77ESD
DIGITAL INPUT DOES NOT FUNCTION Digital input 1 and 2 do not function. All other inputs checkOK.
SonyKV2785R
INTERMITTENT START-UP, REPLACE R-655 Set would occasionally not come on. No output from powersupply. Component inspection of GA board showed R-655 increased invalue to at 2.0 meg.
SonyEDV9500
SLIGHT SHADOWING OR GHOSTING A shadowing or ghosting effect can be seen around objects ina scene during playback.
SonyCCDTR5
BLUE AND ORANGE AROUND DARK OBJECTS Blue and orange highlighting appeared around dark objects.
SonyCDXA20
UNIT WILL SOMETIMES NOT FUNCTION - ERROR 04 COMES UP The unit will sometimes not function. When it does function,it works fine. Upon examining the RF PCB, found an oily substance on thePCB. Discovered that C52 had leaked. This is a filter cap for the +5Vsupply line. The cap is rated at 6.3V. Should I
SonyWMAF54
POOR FM RECEPTION Unit will only receive the strongest FM stations. Weakstations are muted, and border line stations will constantly switch in andout of mute.
SonyD180K
HIGH PITCHED SQUEAL, MECHANICAL Unit manifested a high pitched squeal during play. The noiseappeared mechanical since it did not come through the line or headphoneoutputs.
SonyCFSD960
NO FAST FORWARD - REW OK Unit will not fast forward. Appears as though plastic leverinstalled at factory was still hot and it warped.
SonyCCDF35
INTERMITTENT PLAYBACK VIDEO Bad solder on pins 28, 29, 30 of IC-202.
SonyDTC700
PART NUMBER FOR THE HOLDOWN JIG IS INCORRECTLY LISTED IN S/M The holder jig J2000002A is not registered in KCP or WRPC.Is this part number correct? Can the jig from the DTC-1000 J8000002A beused or is this jig different since this deck is at an angle? -HQ COMMENTS: The part number is incorrectly listed in the se
SonyMVCC1
WILL NOT ACCEPT THE DISK Does X-212-382-51 item number 1 (holder assembly) include thecoil.



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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