Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81350
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyMZ2P
"DISC INSIDE" SHUTTER DOES NOT CLOSE (MECHANISM BENT) The Disc Inside shutter would not close fully. The customerhad dropped the unit.
SonyKV32XBR75
INTERMITTENT NOISE ON SCREEN WITH VERTICAL INSTABILITY, FBT When first turned on, unit would display problem. Whenchassis turned up-side-down for bench work, problem would not show.
SonyICFCD803
DISTORTION IN CD AT LOW VOLUME Servicer called and said that customer brought unit in andcomplained that unit had distorted audio from the CD at very low volume.Unit was exchanged and replacement unit has the same problem. Have we hadany other complaints? Any suggestions? -HQ COMME
SonyCCDV701
CONNECTING WIRE FROM CN-701 TO CN-204 AND CN-402 Service requested part number for interconnect cable thatconnects CN-701 to CN-204 and CN-402. The frame diagram on page 115-118shows it as FV-43. Could not find a part number in the service manual.Can we get it for them? -HQ COMMENTS: This cable is n
SonySEN421CD
SYSTEM CONTROL CABLES Need to know what the part numbers for the system controlcables 1, 2 and 3 are. There are six part numbers listed, 2-US and4-Canadian. No way to identify which ones are which. Couldn't they bemore specific when they make up the manual?
SonyKV27XBR95
CH CAPTION, REPLACE THE EEPROM ON THE Y2 BOARD See page 25 of service manual 1-2 customizing the screendisplay. When you get to step 3, the CH Caption turns gray and when youtry steps, nothing happens. Please advise. What generates thisoperation? -HQ COMMENTS: Check on the Y2 Board the EEPROM,
SonyTAH2600
NO DISPLAY - R921 FAILING P/N 1-212-857-00 This resistor has failed twice in two months. I don't see anysignificance but both times there was an electrical power failure and whenthe customer tries to use the unit, it is inoperative.
SonySTRAV310
NOISY AUDIO - NOTICED DISCOLORED BOARD AROUND R-802 Unit brought in because of noisy audio. Found looseconnection on input jack. Also noticed Main board discolored aroundR-802. Value of R-802 measured 37 Ohms and circuit is ok. Any ideas?
SonyCDX5080
DOESN'T READ TOC Unit would load disc, spin but not read TOC. Observed thatlaser was not coming on but focus search was. Tried new FOP and RF amp,but they did not solve problem.
SonyHST221
LOW AUDIO DECK "A", NO AUDIO DECK "B" Audio from cassette decks goes into IC-402. There is littleor no output from this IC.
SonySLV696UC
WAVY PICTURE Unit had a wavy picture and noisy Hi-Fi sound. When unit isin VCR mode, noise in audio and video would occurr whenever the tape wasloaded or unloaded. MTR V12 would drop to 9V or so during heavy motor usesuch as Rewind.
SonyMDP455
NO CD AUDIO. NO LD DIGITAL AUDIO. Unit will playback LD standard audio but not digital audio orCD audio. Also there is no optical digital data out.
SonySLV393UC
UNIT GOES TOO BLUE SCREEN DURING PLAYBACK Put in alignment tape and unit goes too blue screen when Playis pushed.
SonyFD510
NO POWER THROUGH AC LINE, OPEN POWER TRANSFORMER T-601 Unit worked with batteries or AC/DC adaptor but had no powerthrough the line cord. Found secondary side of power transformer openin both cases. These are both of the new design with the audio circuitryin the power board. Also pertains to serial number
SonyCDX4040
PREVENTING DAMAGE TO "E" FLEXIBLE BOARD The flexible board which runs from the main board to the frontpanel board rubs on the retaining tab protion of the frame until theprotective coating is worn through. This allows the printed traces of theflexible board to ground against the frame, thus c


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.

Verifique se o esquema está disponível na área de downloads