Dicas Reparação




Modelo - Chassis D2


Pesquisa: D2 Enviar Dica Resolvida
Resultados 916
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(Chassis)
SintomaCausaSoluçãoPor:
SonyFD2A
INT FOCUS, REPLACED FLYBACK Harlan Mauer of the Mpls. SSC reports FD-2AThe problem is traced to a defective flyback.
SonyFD2A
NO SOUND, REPLACED C215 No sound, but picture OK. Pin 9 goes to 0V. Pin 13 audioout no signal. Replaced IC201, did not solve problem. Measured fromPin 9 to GND to see capacitor is charging or not.
SonyFD2A
NO PICTURE, NOR SOUND, REPLACED C209 No video, nor sound. Q601 get hot. Found C209 bad.
SonyFD2A
POOR FOCUS, BROKEN LAND ON D2 BOARD Unit has no focus and adj. has no effect. Found broken landon D2 board. Hole for adj. of RV803 seems to be drilled out so much thatit is cutting off the foil pattern I have checked out. FSC report seeingseveral with same problem.
SonyFD2A
NO BRIGHTNESS OR RASTER, RESOLDER C BOARD PAD "A" No brightness or raster on CRT-high voltage, filament, video &other signals to CRT check OK.
SonyFD20A
NO SERVICE MANUAL FOR NEW BOARD AND PARTS No service manual for new board (A board P/N 1-614-043-11)and parts. -HQ COMMENTS: Pls look to FD-20A Supplement No. 5 for the informationsyou need. The supplement P/N is 9-963-120-85.
SonyFD20A
WRONG COLOR CABINET PARTS Herman Electronics, part distr. in Miami ordered P/N3-314-033-21 and 3-314-023-21 for a silver unit but keeps getting thoseitems in blue. -HQ COMMENTS: Part numbers in service manual are incorrect. Pleaseorder by the part numbers below.3-314-033-21 cab
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.
SonySQD2020
NOISE IN R CH The unit was making clicking noise in R-ch back output evenwhen the master volume control is minimum.
SonyFD20A
NO PICTURE, REPLACED LEAKY C603 No picture.
SonyFD20A
NO RASTER, REPLACED CRT This tube had a shorted anode causing no raster. The HV waslow.
SonyFD20A
INTERMITTENT POOR FOCUS, REPLACED CRT This unit had intermittent focus. The focus voltage wouldgo up to 900 volts.
SonyFD20A
NEED P/N FOR REMOVING PIN FACE SCREWS Servicer has requested P/N for tool to remove pin face screws(P/N 3-314-055-00). Tool kit catalogue recommends three types7-700-731-11, 7-700-731-21, 3-832-391-00. Will any of these tools do thejob or are we coming out a new tool? -HQ COMMENTS: A pair
SonyFD20A
DEAD, REPAIRED CRACKS ON BOARD Set came in dead. No power, whether using batteries or ACadaptor.
SonyFD210
NO PICTURE, RESOLDERED C653 This unit had no picture and received FM stations instead ofTV freq. A quick examination of the power supply revealed that the 14Vand 40V (tuning) lines were very low (6V). We found the connection onC653 to be poor. This is the coupling capacitor betw


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.

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