Dicas Reparação SONY




Modelo - Chassis


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(Chassis)
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SonyCFS45
PROPER SCREWS NEEDED Since the latest (metal type) carrying handle side pieces havebecome available, I have had difficulty finding a usable screw type whichthreads properly into the also new threaded holes in these parts.
SonyCDP101
DEFECTIVE CNJ36 With disc in place transport would close but would also rejectit immediately.
SonyCDP101
DEFECTIVE CLOCK CKT Intermittently when unit is first turned on disc motor wouldgo to full speed and stay there until power was turned off.
SonyCDP101
RED WIRE CUT After 15 to 30 min, the display will indicate 71 (scan 77.77)in stop mode. These functions also do not operate time, clear, open/close, reset. Moving the wires to display PCB effected problem.
SonyBM600
HOLD SWITCH SHORTS PCB When the safety HOLD switch is in its hold position,excessive current (almost short) is drawn from the batteries or externalpower source. Foil shield (A) section 2-C is usually found to beshorting the solder connections of the function keypad assy.
SonyWM4
BATTERY CONTACTS TOUCH CKT When batteries were installed the holder for battery contactgave way. Contacts came in contact with motor mounting plate, causingbatteries to short momentarily when unit was moved or touched causingmotor speed fluctuation and noise in head phone. Tappi
SonyXM1
DEFECTIVE IC301 AND IC102 The oscillator and its associated amp were shorted on thisunit. Naturally there was no PWM output and the sound was very low anddistorted.
SonyTCFX66
LOOSE CHASSIS GROUND SCREW User complained remote control (RM50) would only work after1-2 hour warm up.
SonyTAYX7F
VOLUME INCREASES Dealer has 2 units out of box that would intermittently goto max volume after warm-up. This is a motorized volume control, and thedrive transistors for the motor have open circuits at the bases when theV/C is not being driven.
SonySTRVX5
TIME CONSTANT OF PROTECTION RELAY TOO LONG The speaker relay delayed an excessive amount of time beforeopening its contacts at turn off. This created an occasional pop throughthe speaker. We determined that the time constant-associated withC718/R743 was too long. Reducing C718 from 220 uF to 1
SonyPSX800
TONEARM WOULD DROP When the tonearm was going down, before the stylus touched therecord, the muting relay clicked and the tonearm dropped.
SonyPSX800
P/N ERROR IN S/B Incorrect P/N listed page 54 of manual - P/N listed8-719-990-03 should be 8-719-910-03.
SonyPSX600
DEFECTIVE IC105 AND R170 Zero balance drifts.
SonyPSLX500
DEFECTIVE SOCKET The copper sleeves in the socket of the P-mount were pushedall the way back into the tone arm. I have received several reports onthis problem.
SonyPSFL7
PINS OUT OF PLACE The copper sleeves in the P-mount socket were pushed backtoo far to make contact with the pins of the cartridge.


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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