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Resultados 81728

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyD15
NO DISK SPIN Intermittent or constant no disk spin by clv motor. ReferenceNo. 21 is bowed up at its narrowest point between the CLV motor and theFOP. Check the motor for (dead spots) as it may have been damaged due tostalling.
SonyCCDF30
CANNOT ADJUST FOCUS RING Cannot adjust focus ring. Many units have been found withvery tight focus ring (sample enclosed).
SonySLHF300
NO CHANNEL MEMORY Intermittent loss of channel memory (-27.8V supply was low).
SonySLV70HF
PART NUMBER CORRECTION - IC-604/MF-42 BOARD The part number for IC-604 on the (MF-42) board (8-759-941-78)as shown in the service manual is incorrect.
SonySLV50
PART NUMBER CORRECTION - IC-604/MF-42 BOARD The part number for IC-604 on the (MF-42) board (8-759-941-78)as shown in the service manual is incorrect.
SonySPP150
INTERCOM MODE OPERATION Customer complains the intercom does not work properly.Instructions on page 19 of the instruction manual are not clear. Thehandset will ring once and lock a channel for 1 or 2 seconds. Whatshappening is the customer is going into the talk position afte
SonyKV25XBR
NO SOUND OR SOUND CRACKING No sound or sound cracking on some channels.
SonyKV25DXR
NO COLOR ON SCRAMBLED STATIONS ON CABLE Problem on the Exeter Cable Co. Exeter, New Hampshire(continental). The unit had no color on 1 scrambled station and flashingcolor on the other. Found burst signal - measured 80mv on the stationthat was flashing and 50mv on the one with no color. All
SonyPATCH PANL
SONY PATCH PANEL Does a replacement parts list exist for the test panels usedat our SSCs? In particular,DPDT center off toggle switch3PDT center off toggle switch3PDT 2-position toggle switchSpecial audio SG toggle switchAlso, is a similar bat handled 4PDT (center off,
SonyKV27SXR10
VERTICAL JUMP USING VCR, LEAKY C-1734 There was a vertical jump in the picture using VCR playback.
SonyKV27TX11
NO BAR DISPLAY, REPLACE IC-101 No bar display on screen.
SonyCDPC20
INCORRECT OPERATION OF DISC DRAWER On power-up spindle chassis would drop and carousel wouldspin, but drawer would also open half way and then close. Also, whenchanging from disc to disc, drawer would again open half way and thenclose. Otherwise, unit worked correctly.
SonyD4
INCORRECT VOLTAGES IN SERVICE MANUAL The voltages around IC-401, Q-407 etc. in the power supplyappear incorrect. If they are incorrect, what should they be? -HQ COMMENTS: Pin 1 = 1.36V, 2 = .92, 3 = 1.74, 4 = 1.2, 5 = 5.72, 6 =0, 7 = 0, 8 = 9.76, 9 = 0, 10 = 3.57, 11 = 2.54, 12 = 1.28, 13
SonyKPR4620
DUST ON SCREEN, REPLACED SCREEN Dust on screen.
SonyEDC55
LENS HOOD, LENS CAP AND GRIP BELT PART NUMBERS The part numbers for the lens hood, lens cap and grip belt areas follows: Description Part Number Lens Hood 3-730-741-01 Lens Cap 3-730-742-01 Grip Belt 3-730-743-01 -HQ COMMENTS: A



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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