Dicas Reparação




Modelo - Chassis


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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySRF5
P/N FOR WRIST STRAP Wrist strap is listed as an accessory, but no part number isgiven in manual. -HQ COMMENTS: The wrist strap is a part of the radio holder assy byP/N X-3892-102-0.
SonyCCDV8
FLASHING COLOR STRIPES ACROSS THE SCREEN Playback OK. Recording defective, poor solder connection onIC104 on VI-6 board.
SonyD5
DEAD Unit came in dead. Voltage out of the regulator read 5.2V.Replacing IC802 brought it down to 4.8V. Still had problem. When PLAY ispressed, Pin 45 goes high (IC801) but Pin 2 does not go low, which isshould.
SonyCCDV8
TAPE JAMMED Tape jammed.
SonyICFC30W
RADIO INTERMITTENTLY GOES INTO SLEEP MODE After unit has been plugged into AC outlet for 5-10 minutes,unit intermittently goes into and out of sleep mode.
SonySLHF500
BAR IN PICTURE When put in play pause mode, unit would automatically to gorewind function. Also, there is a bar that floats through the video frombottom to top.
SonyKV2680R
NO FUNCTIONS WHEN HOT, REPLACED LEAKY D-041 ON "X" BOARD After turn on, all remote control functions were inoperative,plus manual controls. Also the problem would occur about 2 min afterturn on. Heat and cold had no bearing on this unit.
SonyKV2681
NO PICTURE OR SOUND No picture or sound.
SonyKV1957R
INTERMITTENT SHUT DOWN, REPLACE C549 Intermittent shutdown.
SonySL5000
NEED PART NUMBER FOR ANTENNA SWITCH UNIT When ordering the antenna switch unit by P/N 9-982-040-00,customer keeps getting the antenna terminal strip. We need the currentnumber for the antenna switch unit. -HQ COMMENTS: The antenna switch is not available as a unit. Orderassy #306 P/N 1-464-1
SonySTRAV560
NO MEMORY Line surge, due to lightning in the area, clears memory.Have had this customer bring unit in two times same day. Second unitgiven to customer, same problem, would suggest reset button on back ofunit, so customer could reset and reprogram. -HQ COMMENTS:
SonyKV1918
AUDIO DROPOUT On cable only, audio mutes intermittently. This problem doesnot occur with off-the-air broadcasts. -HQ COMMENTS: Replace neon bulb for the channel location being used.You can also disconnect the mute line IC201 Pin 17. If muting stilloccurs, then the
SonySL5000
VIDEO NOISE DURING PB OF TIMER RECORDED TAPE Customer brought in 4 tapes recorded on timer mode complainingof same problem. Recording made in FSC came out OK. Can you pleaseexamine enclosed sample and advise? -HQ COMMENTS: We confirmed the absence of the CTL signal on the sampletape. When the r
SonySL2401
INTERMITTENT CAPSTAN LOCK - UNSTABLE PICTURE The unit had been in for service several times with thecomplaint of poor capstan lock. This problem was very intermittent. Wefound C20, CTL coupling capacitor, to be intermittent.
SonySLHF300
NO TIMER/CHANNEL SET This unit had no channel display and it was not possible toset the timer mode. We found IC301 Pin 16 to be low. This was caused bya leaky Q305.


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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