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Resultados 81714

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySL2405
PICTURE UNSTABLE Picture breathes with no complete loss of either drum speedor phase.
SonySTRAV460
PART # IS IN ERROR Part # listed in service manual on page 56 is in error.Should be 8-749-940-36. At the present time KC NPC is not substitutingcorrect P/N and servicer is being told that this is an invalid part #. -HQ COMMENTS: The P/N in S/M is incorrect as you pointed
SonyCCDV8
P/N FOR RFU80UC Customer bought unit in Japan. Needs RF unit for USA. Part #is not in the service manual. -HQ COMMENTS: This accessory may be ordered under the model #(RF-80uc).
SonySL5000
WRONG PART NUMBER IN S/M (SS-9 BD/C008) Wrong part number in SL-5000 manual.
SonySLHF500
NOISE IN L-CH WHEN PLAYBACK EDITED PORTION Loud POP noise when playback edited portion of self-recordedtape in L-ch of Beta Hi-Fi output only.
SonyCDX5
DESTROYING DISC When loading and unloading a disc, the CDX-5 is putting amark on the disc. The marks appear only on the outer 3/8 of the disc.The marks are at a slight angle sometimes 3 or 4 at every loading. Thesemarks are not scratches but are cloudy 1/16 wide 1/4 l
SonyKV2670R
DISTORTED SOUND, T-202 WITH CRACKED SLUG This unit had very distorted sound. We found T202 to have acracked slug.
SonyFD20
SHATTERED CRT The customer took the unit with him in his plane. At 12000feet, the CRT shattered into a million pieces. There is absolutely nodamage to the cabinet.
SonySL2710
POOR TAPE PATH The tape was riding up on the pinch roller and at timesdamaging the tape. We found the back tension to be insufficient andcausing the problem. What made this problem unusual was the fact that theunit would often play fine for extended periods.
SonyKV2145R
WEAK VIDEO AND POOR SYNC, LEAKY C208 This unit displayed weak video and poor sync. We found C208of IC201 Pin 3 to be leaky.
SonyKV1952RS
NO CHANNEL INDICATION, Q2002 OPEN This unit had no LED drive for the channel indicator. Alsosound, pix, channel controls did not work. It gave every indication of alocked up uPC. We found Q2002 on M board to be open and causing theproblem.
SonyPSLX55II
TONEARM NOT DROPPING Tonearm would not drop to record.
SonyBMC550
LITHIUM BATTERY One customer has lost lithium battery already one customerbattery was missing from carton and one wants to purchase replacementjust to be on the safe side.
SonySL2710
UNIT PULSATES BETWEEN RECORD AND PAUSE MODES IN STEADY CYCLE When entering REC, unit would cycle between REC and PAUSE ata rapid frequency. Random pulse at collector of Q517, SS-21 board causedproblem. Q518 was found defective. Replaced Q518, unit OK.
SonyCDXR7
WRONG PART NUMBER Transistors Q1 and Q2 are listed as 8-759-105-29 on page 69of service manual. Correct number is 8-729-105-29. -HQ COMMENTS: We will issue a T/N and S/B.



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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