Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
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(Chassis)
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SonyEVA300
CHEWS TAPE INTERMITTENTLY Unit will chew tape, highly intermittently. Found the greaseon the shaft of the B gear assembly very sticky. It seems as the unitages this grease thickens and restricts the rotatation of the shaft.
SonyKV32HSR10
SEVERE PINCUSHION, REPLACED SHORTED L-501 Unit had severe pincushion. Found L-501 shorted. Check dam-per diode for cold solder connections.
SonyTCDD3
TCD-D3 TEST MODE The test modes in the TCD-D3 service manual are confusing, anddifficult to use. -HQ COMMENTS: A service bulletin has been created (See S/B 157- TestMode Clairification) refer to this S/B when using the test modes.
SonySTRD2020
NO AUDIO OR DIGITAL OUTPUT No audio output and no equalizer display, audio relays turnon.
SonySTRAV1020
UNIT IN PROTECT MODE Unit in protect mode.
SonyEVDT1
TV HV SHUTDOWN WHEN NO VIDEO LINE IN CONNECTED With no line in video input, the TV section of the EVDT1 wouldgo into shutdown. Only powering down and powering up again would restorethe video. Camera in was ok.
SonyCDX7540
UNIT WILL NOT ACCEPT DISCS I have seen three units with the PLL frequency of 4.2, 4.27and 4.22mHz. Customer complaint - unit does not accept discs. Problemsdid not show on the bench. All other adjustments RF, EF balance, T-gainand F-gain looked good.
SonyKV20TS30
LOW BAND VHF CHANNELS HAVE GHOSTING, SEE SB TVP0101 Recent installation of new TV in an area near the televisiontransmitting tower. Low band VHF channels have considerable ghosting dueto direct pick-up of air signal and cable signal. Customer name:Mrs. Jones, 55 Chumesera, San Francisco, CA 94132 415/33
SonyKV1380R
DISTORTED OSD Distorted OSD so that: instead of multiple small barsappearing in volume up/down mode, one solid variable bar can be observedon the screen.
SonyKV32XBR65
TUNER DRIFTS ON LOW BAND, REPLACED TUNER Channels 2-6 would drift.
SonySLV575UC
EATS TAPES - WON'T TURN OFF Customer complaint was that the unit eats tapes and unable toturn unit off.
SonyCDP190
DOESN'T PLAY Doesn't play. Spindle motor replaced. Per servicer, this isthe second time this motor was replaced in this unit.
SonyBMC550
TRANSPORT STOPS AFTER REC BUTTON IS PUSHED With unit loaded with a blank tape and fresh battery or powersupply, unit will power up. Seconds after REC button is pressed unitstops (not emergency shutdown). Pressing REC button immediately aftercauses identical symptoms.
SonyTCW300
WRONG PART NUMBER FOR REF. NO. 155, PAGE 2 OF SUPPLEMENT 1 On page 2 of Supplement No. 1, Reference No. 155 is listed asa shaft, pulley with P/N 3-390-203-01. This is incorrect.
SonyD9
INCORRECT PART NUMBER, IC-802 (BA10339F) The part number in the service manual for IC-802, BA10339Fis incorrect. The part number listed is for an FA7616N. -HQ COMMENTS: The correct part number for the BA10339F is 8-759-982-77.Thank-you for bringing this error to our attention. A service bull


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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