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Modelo - Chassis


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(Chassis)
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SonyXR44
NEED PART NUMBER FOR POWER HARNESS What is P/N for power harness? -HQ COMMENTS: The S/M has the part and reference numbers on Page 25.The part number is 1-556-901-21 and reference number is 901. We willissue a S/B.
SonyKV1391R
VIDEO FLICKER, REPLACED PPU1 There was a flicker in the video, this started out to beonly on the high band channels. Later on it was even on the low bandchannels. Found that the synthesizer unit was not locking and this lookedlike video flicker.
SonyXR77
MISSING PART NUMBER - C179 Need part number for C179 (3300uF @10V) listed in capacitorchart. -HQ COMMENTS: The part number is 1-123-655-00.
SonyCDP302
NO PLAY FUNCTION Will not play.
SonyKV2156R
BURNT (M) BOARD This was the third unit I encountered with burnt M board.All of them on the same spot. D115 shorted and R181 overheated and burntthe board.
SonyCCDV8
NO AUDIO Unit came in with no audio on playback. It recorded fine butit still would not playback audio.
SonyCCDV8
TAPE JAM Tape jammed. The unit would power up but would not performany other function. I resoldered X601 and the unit started to performnormally for a few minutes, but it stopped working again.
SonySLHF900
REWIND PROBLEM Unit rewinds for approx. 3 to 6 sec then stops (same problemon reverse Betascan). Problem happened as soon as unit was unpacked.
SonySPP22
HUM IN HEAD SET There is always a hum present in this and two other similarunits. This hum can be eliminated by moving the lead which connects tothe phone line. Placement of this wire is very critical. No solution. -HQ COMMENTS: Connect 0.01/25V cap between the coll
SonySTRAV560
NO FM OR AM No FM.
SonySL2710
DOUBLE PICTURE IN PAUSE/POOR BETASCAN In pause mode picture exhibits a bend in the middle and twoimages, slightly offset. Betascan was extremely noisy with 2 or 3 noisebars, 15-20 lines wide. Symptoms were intermittent.
SonyKV25XBR
LOW BRIGHTNESS Three units. When using PC701 to interface KV-25XBR to anIBM PC, user has washed out picture with low brightness. He claims thishappens with all the PC701s and XBRs he has tried. -HQ COMMENTS: PC701 reduced somehow overall brightness of whatevermonito
SonyKV2649RX
LOCKED IN ON MODE, NO MANUAL OR REMOTE FUNCTIONS, D021 Set could only be turned on or off by master switch. Noother functions would respond. Inspection revealed that a signal wasalways present at Pin 37 of IC001. Also, at Pin 18, same IC, power onsignal present. Disconnecting D021 removed the signal pres
SonyCFS9000
COMPLETE MECHANISM - P/N MISSING Need part number for complete cassette mechanism. -HQ COMMENTS: The tape transport is not available.
SonyCCDV8
NO VIDEO, TRANSPORT FUNCTIONS OK No video, but transport functions OK.


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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