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Modelo - Chassis


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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySLHF500
NO TUNER FUNCTION This unit would not light the channel numbers and no tunerfunctions were working. We found IC301/Pin 16 to be about 2V. This wascaused by a leaky Q305.
SonyCDP302
WRONG PART # Page 65 of S/M shows IC151, should be IC101. P/N should be8-752-010-90, not 8-759-600-02. -HQ COMMENTS: We will issue a S/B.
SonySLHF900
NEED P/N FOR PLASTIC BRACKET Need part # for plastic bracket. -HQ COMMENTS: Unfortunately, this part is not available for replacement.It may be possible to get a spare part from a scrap unit from theRefurbishing Center in Compton.
SonySLHFR70
EMERGENCY SHUTDOWN IN REVERSE SKIPSCAN, REVIEW MODES ONLY In review and skipscan reverse, machine would shutdown.Found no signal at syscon IC401, Pin 8.
SonyCDX5
UNUSUAL OPERATION WHEN DISPLAY, REW OR AMS KEY HIT Whenever I operate any of the keys, the following happens:1) Display shows 0. 2) The CD mechanism goes into PAUSE (LED illumi-nates). 3) The sled returns to bottom of the rack. 4) Muting relay RY451energizes. Replaced the master CPU MB88501-298M with
SonyKV2141R
P/N FOR TRINITRON LOGO RGB DOTS Customer complains that she ordered speaker grille P/N4-323-603-00 and RGB trinitron logo color dots were not mounted. Servicemanual shows them as mounted, no part numbers are given for dots alone.Please advise of available complete, or P/N for dots alo
SonySLHFR70
NO AUDIO Any combination of two channels can be tuned in, but onlytwo. No sound at any time. Four units have been reported to have failedin this way.
SonyBMC110
POOR FOCUS C15 1.5 X 160 leaking causing focus problem. -HQ COMMENTS: C15 is used in the DC-DC converter. This capacitor inHV701 is connected to Pin 3 (120V) which controls the focus regulator.Your tape is being returned.
SonySRSF10
INCORRECT PART Please note the enclosed parts. The control is correct exceptthat this unit requires that there be a screw mount instead of a shaft.Screw #38 mounts knob #37 to it. Please investigate this matter for meand forward the correct control. -HQ COMMENTS: Th
SonyCDP101
INTERMITTENT TRACKING This unit had an intermittent problem tracking the disc.
SonyKV1356R
WON'T TURN ON, REPLACED IC-101 This unit would not turn on.
SonySL25
EXCESSIVE BACK TENSION - PICTURE DISTORTED This unit at first appeared to have a capstan problem. Onchecking further we found the back tension to be excessive. This wascaused by the brake solenoid not engaging fully.
SonyHVC2800
WILL NOT CONTROL VCR When connected to a SL-2000/-2500/-2700, the camera does work.But when you push RECORD, PLAY, FF or REWIND nothing will happen. Nofunction on VCR. Also, if you push RECORD before plugging camera to VCR,the unit will go to record mode but the run/stop w
SonyKV2670R
VERTICAL JITTER ON CABLE, REPLACED TUNER AND ADJ T-201 Vertical jitter up to 1 inch when connected to cable orsatellite antenna. Off air signal OK. Two sets with the same problem.Dealer exchanged the set and problem presents on replacement unit. Whenunit is connected to cable jitter, it was reduced to 1/2
SonyACV8UC
AUDIO HUM FROM RF MODULATOR RF modulator puts out noticeable hum in audio when operatedwith CCD-V8. Hum evident in E-E mode and playback but won't affect tapesbeing recorded. This unit also has a Q37 which does not appear on SB-Dboard diagram or schematic. Installed extra filter


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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