Dicas Reparação




Modelo - Chassis KP53V15


Pesquisa: KP53V15 Enviar Dica Resolvida
Resultados 14
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SonyKP53V15
AP
Pincushion KP53V15 Unit has Q509 getting very hot after 15 to 20 minutes Previous tech did not put ant heatsink compound on the Device. Putting Heatsink compound on Q508 allowed the device to run 20 minutes but still gets slightly warmer than it should. R518 a 18K resistor has increased in value. Muller
SonyKP53V15
AP
Dead Unit is dead. Will not turn on. Just shuts down Q811 shorted. Tech replaced the transistor with a 2SD188. Tech checked the distribution of high voltage for pin holes in the lead dress. Nothing was found. The transistor did not overheat and he let it run for 45 minutes. Suggest the set run for a while and see if it shorts again. All looks well in its operation. Muller
SonyKP53V15
AP
CONVERGENCE Unit has a pulsating red convergence . Tracing the pulsating we find the output of IC506 has a pulsing on it that is coinciding to the pulsing on the screen. Unit has a defective IC506. Muller
SonyKP53V15
AP
CONVERGENCE Sony KP53V15 AP chassis. This unit will not allow the customer convergence centering to function. Tech needs to know where the electronic centering takes place. Electronic centering is accomplished by the customer using the remote. Serial data codes will instruct the bus decoder IC506 to change the D.C. offset voltage to IC551 on ""V board"" Defective IC551. ""Muller
SonyKP53V15
AP
convergence KP53V15 serial 9011915 Unit was serviced by another service vendor. Unit has a pulsating red convergence . Tracing the pulsating we find the Output of IC506 has a pulsing on it that is coincident to the pulsing on the screen. Unit has a defective IC506 Muller
SonyKP53V15
G BOARD AND A BOARD HAS +135 PRINTED ON BOARDSWRONG Connector G2 (G board) and connector A2 (A Board) have +135printed on them. This is incorrect the true voltage is +115v DC. The-135 volt line is correct.
SonyKP53V15
INTERMITTENT NOISE WHEN CHANGING CHANNELS, TUNER PROBLEM Customer reported arcing noise occasionally when he wouldchange channesl. Found during channel change tuning system wasn't lockingon station immediately and static noise was generated through speakers.Until tuner would lock on station, this symptom was
SonyKP53V15
PARTS NUMBER FOR MIRROR Part number in service manual for V15, AP chassis, and V25, RA chassis are listed differently. Such as in V15, AP, 53 and 61use same part number but V25, RA shows 46 and 53 are same part number. -SOLUTION : Service ma
SonyKP53V15
GLASS DOOR HINGES AND SCREWS, PART NUMER NEEDED Glass door hinges or mounting screws are not availableseparately. Glass block assembly must be ordered, part numberX-403-295-21, which includes all of the above.
SonyKP53V15
POWER SUPPLY DEAD(G BD), REPALCE T601 Issued MCB asked servicer to send in old board. They could not find problem after replacing and checking many components.
SonyKP53V15
"D" AND "DS" BOARD CHANGED, REFER TO THE KP-46S55 S/M The Service Manual shows the DS Board has three IC mountedon it. The one in the unit only has one IC. -HQ COMMENTS: Both the D and DS boards have been changed. Theyare not interchangeable. Please refer to the KP-46S55 for the correctschematic, page
SonyKP53V15
PICTURE FLICKS FOR ABOUT 3 SEC, AND THEN IS OK. Picture would flick for about 3 seconds when you first turnit on. It would pull in slightly from the side like a voltage regulationproblem. This may happen once in two days or may not happen for a week.Any other reports? Set returned to customer bec
SonyKP53V15
SOUND, NO PICTURE, REPLACED Q812 (G2 CONTROL) ON N BOARD Unit has sound but no picture. Traced problem to no G2.Found defective Q812 G2 control.
SonyKP53V15
MECHANICAL SEALED TUBE USED, CAN NOT BE INTERCHANGED What type of CRT were used in this chassis? -HQ COMMENTS: This model only used the Mechanical sealed type CRT's.They can not be replaced with the Silicon type CRT. Please refer to theService Bulletin that has been releasd.


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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