Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyCPD1730
SEVERE PINCUSHION DISTORTION CAUSED BY SHORTED Q-406 Severe H pincushion distortion was caused by defective Q-406.-HQ COMMENTS: Q-406 is a PIN CORRECTION MODULATION Transistor it Modulatesthe PIN Correction signals onto the HDY.
SonyLANCJIG
CCD-F301 DOWNLOAD, LANC SOFTWARE 1-2.0
SonyFHE9X
NEW TECHNICAL THEORY FOR SERVICING NOW AVAILABLE FROM KCP A New Technical Theory for Servicing manual is now availablefrom KCP.
SonyMHC6800
NEW TECHNICAL THEORY FOR SERVICING NOW AVAILABLE FROM KCP A New Technical Theory for Servicing manual is now availablefrom KCP.
SonyTAAV621
CENTER AND REAR BOARDS NOT AVAILABLE - SEE S/M CORRECTION-1 These boards are no longer supplied separately.
SonyCCDV5
IC651 P/N; REFERENCE SB 12/RE-INSTALL ORIGINAL PART Per s/b 12---used 8-759-945-17. Unit would not work afterreplacement.
SonySTRD2090
NOISY AUDIO AFTER A WHILE - IC301 FAULTY 8-759-504-36 After unit is on a while the audio is noisy. Audio on Pin 2and Pin 27 of IC301 is clean. Floated Pin 16 of IC301 and noise alsodisappeared.
SonyKV32XBR35
DEGAUSSING PROBLEMS, REPLACED DIODES D668, AND 672 Unit always in degaussing. -FOUND: Shorted D672. -STILL PROBLEM: Now the unit would never degauss.-FOUND: Leaky D668. P/N 871991119, SS119 diode. -HQ COMMENTS: D668 is across the DG relay with this diode leaky thedegaussing relay will not operate c
SonySTRD590
INTERMITTENT PROTECT AT VOL SETTING ABOVE 2 - C761 FAULTY Unit would go into protect on any vol setting above 2.Checked Q718, 17, 16, 15, 14 and Q764 for being leaky all OK.Removed C761, unit stayed in protect mode.
SonyDTC670
UNIT WRINKLES TAPE - GUIDE ASSY REF. 309 NOT ADJUSTABLE Intermittently this unit wrinkles the tape top edge. Theguide (item 306), mounted on the lever, is not adjustable. The only way tocompensate for mechanical tollerences involved was to shim the wholepinch lever assembly (ref 310) upward, thus relieving gu
SonyDTC59ES
WILL NOT PLAY BACK TAPE - FAULTY HEAD DRUM 8-848-567-11 This unit would not playback, but would sometimes record.A new drum corrected the problem.
SonyPVM3230
PICTURE SMEARED/DARK PICTURE, REPLACED COMB FILTER Picture smeared and dark.
SonySTRAV770X
INCORRECT ORIENTATION OF CNP801 ON STANDBY BOARD The Standby Boards received from WRPC have differentorientations on CNP801. Which orientation is correct?
SonyKV27FX10
BLOWS 7A FUSE AT TURN ON, REPLACED FUSE AND THERMISTOR 7A fuse blows immediately power is turned on.
SonyTCDD7
INTERMITTENT NO EJECT (CUST. NOT HOLDING SWITCH LONG ENOUGH) Intermittent no eject. Verified the problem that unit wouldonly eject intermittently. After changing switch block I found no change.After experimenting some more, I found that if the eject button is pushedand released too quickly, unit will not eject.


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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