Dicas Reparação




Modelo - Chassis


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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDTR44
DEAD (FOUND LOOSE CONNECTOR BETWEEN POWER MCB & MAIN MCB) The unit was dead found a loose connector between the powerboard and the main board.
SonyCCDTR44
WON'T STAY IN RECORD (FOUND MODE SWITCH IN WRONG POSITION) Unit would not stay in record when the start/stop button waspressed. Found that the start/stop mode select switch was set in theposition which allows recordings to be made only while the start/stopswitch is held in. This is an operational feature of th
SonyCCDTR44
DEAD (FOUND BATTERY CONTACT J001 ON DD-80 MCB COLD SOLDERED) Dead. Found battery contact J001 on DD-80 MCB was coldsoldered.
SonyCCDTR44
WON'T THREAD (FOUND HIGH TAPE TENSION DUE TO REF 769 LOOSE) Unit would not thread tape. Found problem to be caused byratchet tension spring (ref. 769) coming dislodged from at the chassisend.
SonyCCDTR400
INT. DEAD, SHUT DOWN, LOCKUP (FOUND BAD SOLDER ON CN203) An ASC reported that the unit had intermittent functions, orwould shutdown or lock up. Problem was found to be caused by poor solderon CN203.
SonyCPD17SF2
DEFECTIVE HORIZONTAL OUTPUT TRANSISTOR Q507 3 units came in with same problem, defective horizontaloutput transistor Q507 872982107.
SonyCPD17SF2
SHUTS OFF AFTER 2 SECONDS Monitor will shut off after 2 seconds. Found 12V DC out ofregulator IC602 low (about 6VDC) Troubleshoot to hybrid IC PM501. Pins 1& 2 were shorted, which caused overload of IC602.
SonyCPD15SX1
CHANGING LOGIC PCB Installing new Logic PCB causes a different problem thanoriginal symptom. Power Up and LED blinks. Micro Download gives nocommunication with monitor.
SonyCPD15SX1
INSUFFICIENT HORIZONTAL WIDTH Monitor came in dead. After replacing Q301 Horiz. Outtransistor Phuc found that the horizontal width was not sufficient andcould not be adjusted.
SonyCPD15SX1
DEFECTIVE VIDEO OUTPUT IC501 Set came in with no power. Discovered defective IC501 onVideo Board. IC501 Pin 2 was shorted to ground overloading the 12v line.
SonyCPD15SF2
NO AUTO DEGAUSS Power up unit and it will not auto Degauss. Found Q601relay drive transistor not turning on. Q601 OK found pin 21 of IC901 hadno output.
SonyCPD15SF2
DEFECTIVE IC001 ON A BOARD Seeing a problem with CPD15SF2. Tech reported 3 failures ofIC001 in last week. Unit had no video output from this RGB Preamp IC.
SonyCPD15SF1
INTERMITTENT ON AND OFF Set came in with intermitent on and off, burning smell, andno power.
SonySLV960HF
DIFFERENT POWER SUPPLY UNIT Starting at serial number 102111, this model will have a different power supply unit for which the schematic is not available yet. The new power supply is backward compatible with the original one. A supplement will be is
SonySLV780HF
WON'T RECORD OR PB STEREO - TAPE PATH ADJUSTMENT Won't record or playback stereo.


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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