Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81352
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySTRAV770X
DISTORTION IN SURROUND MODES Considerable amount of distortion in all modes of surround.
SonyTAF500ES
UNIT IN PROTECTION Unit was in Protection and found -52 volts across rightchannel outputs. Traced problem back to Q-451.
SonyCFS2020
FORMER TYPE MAIN BOARD CROSSES TO NEW TYPE Service manual 9-953-448-12 lists differences between formerand new type. However,part number of former type main board(A-3260-849-A) subs to part number of new type (A-3260-849-B). Servicerneeds former type main board, as new type main board does not f
SonyCCDV99
INOPERATIVE UNIT Unit came in inoperative. F-62 on the FU-66 board wasoverdiscipated. Replacement did not solve problem.
SonySTRD790
UNIT DEAD - FUSES BLOW ON POWER UP When unit is powered up, both F-972 and F-971 blowimmediately.
SonyCDPC615
DIM DISPLAY The display was very dim.
SonyDTC700
UNIT EATS TAPES - LOOSE TAPE GUIDES Customer complained of intermittent Rewind and destruction oftapes. Found reel motor assembly loose. All three screws had backed outseveral turns. In completing the unit I was checking physical conditionof tape path. Found brass posts of entrance and
SonyCCDFX410
JAMMED Unit came in jammed. Gary Kilbourn found the cam gear hadseveral broken teeth.
SonySLV272UC
CAPSTAN MOTOR IS RUNNING FAST Capstan running at full speed on Playback and Record.
SonyCFD757
SPINDLE MOTOR RUNNING AT HIGH SPEED. With no disc in unit, spindle motor would run at high speed.With CD in unit, spindle motor runs at high speed and optical could notlock up. Found R-750 missing and a solder bridge in its place.
SonyCDX5180
SILK-SCREEN ERROR: IC-504 ON MAIN BOARD Silk screening for IC-504 on the Main board shows pins 60 and61 in at the top right corner of the IC (when the board is viewed with itsrear edge towards your body). This is incorrect.
SonyEVS900
NO E-E AUDIO No E-E audio. No video or audio when playing a tape.
SonyCDP297
WON'T LOAD THE DISK INTERMITTENTLY Unit will not load the disk.
SonyTCWR97ES
UNIT DEAD, FOUND OPEN R-703 Found R-703 (1219-154-11) open. Replaced resistor and unitchecked out fine. After turning unit on and off several times, R-703opened again. Found excessive AC waveform on R-703 when unit was turnedoff. C-701 appeared shorted in circuit but out of circu
SonyCCDTR4
NO RECORD CAMERA CHROMA Had E to E color but when recorded and played back tape it hadno color. Prerecorded tape had color.


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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