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Resultados 81969

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyKV25DXRNO VERTICAL DEFLECTION No vertical deflection. Caused by Q-2030 failing to pullreset line to its normal high. Note: Schematic error page 55 (J-7).D-2056 should be connected at the junction of R-2198 and R-2199. It willnot operate as drawn.
SonySLV575UCSHUTDOWN WHEN THE MF93 BOARD IS REPLACED. Costa Mesa is experiencing difficulty when the MM-93 boardis replaced. After replacement, you plug in the unit the clock comes on,you turn power on everything comes on and then within 3 seconds the unitwill shut off. The clock remains on. They have tw
SonyKV2782ME7VERTICAL ROLLING, REPLACE C-1001 AND REROUTING OF CABLE The vertical rolling was affecting EXT video in and internallygenerated video. Problem 1: The EXT video rolling was caused by theshielded cable carrying comp. video linking connectors A-10 and D3 to thesync sep. routed too close to the flyback. Problem
SonyKV27TW70CLOCK DO NOT RUN, RESOLDER C-120 Internal clock would set, but would not run.
SonyD160DISC WON'T SPIN Disc won't spin. Spindle motor only had 1.2 Ohms ofresistance. Normally, the spindle motor has about 12 Ohms of resistance.
SonyTAM30OGM CUTS OFF CALLER The service bulletin #32 which states to change cap C7 from a2.2uF to a 10uF improves the problem of OGM cut-off, however, it doesnot totally eliminate it.
SonyCDPC705DISC TABLE WILL NOT ROTATE On some units the bracket which houses the optical devicecontacts the base of the player. This causes the table not to rotate orthe disc won't play. -HQ COMMENTS: The cause of the problem is the metal base warpingupward, when the bracket drops it does
SonyCDPC85ESDISC TABLE WILL NOT ROTATE On some units the bracket which houses the optical devicecontacts the base of the player. This causes the table not to rotate orthe disc not to play. -HQ COMMENTS: The cause of the problem is the metal base warping upward.When the bracket drops it does
SonyCDPC75ESDISC TABLE WILL NOT ROTATE The bracket which houses the optical device contacts the baseof the player. This causes table not to rotate or disc won't play. Alsoapplies to S/N 801604, 811179, 801705, 801586, 801520, 811180, 801618. -HQ COMMENTS: The cause of the problem is the me
SonySTRVX750FM DISPLAY INDICATES WRONG FREQUENCY In scan tuning mode the FM tuning display indicates wrongstation frequency. AM is ok. In direct access tuning the display iscorrect but the center tune and FM MPLX indicators are OFF.
SonyCDP507ESDNO AUDIO (ANALOGUE OR DIGITAL) There is no signal output at a pin 78 of IC-302, except squarewave (data). The xtal at pins 53, BCLK at pin 76, and LRCK at pin 80 ofIC-302 are ok.
SonyCDPC9ESDSKIPPING ON LAST TRACK Last track of CD is skipping. Found tiny particles onthe skipping CD. Obviously, that particle (shiny) came off one of theCD's made by WEA and stuck on another CD. The CD (WEA) is so soft thatthose reflective particles had to come off another CD.
SonySLV555UCERRATIC TAPE TRANSPORT FUNCTIONS Unit came in from B stock, supposedly refurbished. All itwould do was accept a tape and turn off. Power button had no effect.Found mashed teeth on mode slide plate and cam gear - replaced. Symptomsnow similar, but would occasionally thread and turn of
SonyCFSW350HIGH SPEED ALIGNMENT OF TAPE DECK MOTORS Cannot align high speed on either deck. Service manual iswrong, and service bulletin number AUD0071 says to put mode SW to Radio.When this is done, only radio audio comes out of unit so it still cannotbe high-speed aligned.
SonyCDX7540COMPLAINT OF SKIPPING BUT UNIT IS DEAD Complaint of skipping but unit is dead. Found Q-414 shortedand badly burned on main PC board. This is the fourth unit I have seenlike this. Could this be an installation problem?



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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