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Resultados 81883

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyKV27TS32NO PICTURE, REPLACED TUNER Unit had no picture screen would light up with antennaconnected. Has green spot in upper right hand corner. Gray diagonallines moving up screen. Traced problem to defective tuner.
SonyKV27TS27INTERMITTENT VERT ROLL, REPLACED C329 OCCASIONALLY THE PIX WOULD ROLL UPWARD. WHEN COLD UNIT OK. ONCABLE WOULD ROLL MOST OF TIME. ON OFF AIR PIX SEEMED STABLE BUT WOULDOCCASIONALLY FLIP. IT SEEMED DEPENDENT ON SIGNAL STRENGTH, AND DARK SCENESOF PIX WOULD CAUSE SYMPT.SOLUTION: PLUG IN MODULES
SonyKV27HSR10NO PART NUMBER LISTED, RD18ESB1, 8-719-110-48, D-251,252 ETC As per Supplement No. 1, the diodes D-251, 252, 253, D-310,and D-311 are listed as RD18EST1B1. No part number is listed, nor is thistype name in the Replacement Book. -HQ COMMENTS: According to Japan, the diode type name is:RD18ESB1 part number 8-719-1
SonyKV27HSR10NO SYNC OR COLOR, REPLACED C338 No sync or color trace video signal to C338.
SonyKV13TR28TV SHUTS OFF BY ITSELF, REPLACED FBT TV on one second then shuts off.
SonyKV13TR28INTERMITTENT PIX, SOLDER SPLASH ON TUNER Unit displayed various symptoms, blanked no pix, no vertsweep horiz line across screen, full raster snow no tuning. Tappingtuner w/screwdriver would cause sympt. R681 overheating, tuner 5 voltssometimes missing.
SonyKV1397RNO AUDIO, SEE SERVICE BULLETIN 291R2 This unit had no audio. The collector resistor for Q252 wasopen although it does not show a resistor number in the schematic. It ismarked R255 on the board.
SonyKP61XBR28ANODE LEAD ASSEMBLY, NOT SOLD SEPARTELY Service Manual lists the Anode lead Ref 128 as P/N1-559-865-41. It is not available. -HQ COMMENTS: This lead comes with the CRT. It was mistakenlylisted in the part list. It is not available as a separate part. This was covered in Correcti
SonyKP53XBR25ANODE LEAD ASSEMBLY, NOT SOLD SEPARTELY Service Manual lists the Anode lead Ref 128 as P/N1-559-865-41. It is not available. -HQ COMMENTS: This lead comes with the CRT. It was mistakenlylisted in the part list. It is not available as a separate part. This was covered in Correcti
SonyKP46XBR35DEAD SET, REPLACED IC1704 AND HOLDING CLIP Set came in dead. While troubleshooting the unit, it wasnoticed that the clips holding IC1704 were missing, and the IC wasnot touching the heat sink. The IC was found to be shorted.
SonyKP46XBR25ANODE LEAD ASSEMBLY, NOT SOLD SEPARTELY Service Manual lists the Anode lead Ref 128 as P/N1-559-865-41. It is not available. -HQ COMMENTS: This lead comes with the CRT. It was mistakenlylisted in the part list. It is not available as a separate part. This was covered in Correcti
SonyFDL-K400RUBBER ADDED TO STAND, SEE CORRECTION 1 Rubber piece added to stand. Please refer to Service Manual Correction 1. Part number for rubber piece 4-033-485-01
SonyITD20PART # OF 4 PIN LINE JACK BASE 1-580-143-11 Ordered 4 pin line jack from KC. Got mistagged 4 pinhandset cord jack instead. Tried reordering with same result. Handsetjack arrives with the part # of the base line jack on its tag. When Iorder the handset jack under its own real part 157300711, I
SonyITA850PN FOR SWITCHES S10 AND S11 ON IC BOARD Currently, switches are not available except as part of the ICboard.-HQ COMMENTS: Unfortunately these switches are not available separately asthe IC board has a relatively small number of components.
SonyITA750PN FOR SWITCHES S10 AND S11 ON IC BOARD Currently, switches are not available except as part of the ICboard.-HQ COMMENTS: Unfortunately these switches are not available separately asthe IC board has a relatively small number of components.



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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