Dicas Reparação




Modelo - Chassis F7


Pesquisa: F7 Enviar Dica Resolvida
Resultados 183
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SonySLHF750
UNIT DEAD Unit was completely dead, i.e., no ON/OFF function, no displayof any kind. Tests revealed all DC voltages present and clock pulses werealso ok. Clue to problem was pin 17, IC-1 on (FL-11) board. It neverwent low, but always had 3.5 VDC on it. Obvious
SonyWMF73
AUTO-REVERSE NOT WORKING Unit will not operate in one or both directions. Repair isdifficult.
SonyWMF73
FAILURE OF TAKE-UP SPOOL Numerous units eating tapes. One spool fails to take up.Grinding noise is heard. Play lever pops out of mounting rail - motorfails. Takes about 1 hour to rebuild unit. -HQ COMMENTS: Thank you for your information. We have reported thisproblem to Tok
SonySLHF750
DURING PLAYBACK, PRESSING INDEX MARK/CAUSES DISTORTED VIDEO CTL pulse was incorrect during index mark process causing unitto go out of servo lock momentarily. (Multiple short CTL pulses).
SonyWMF76
WRONG SPEAKER When ordering the speaker, we receive 1-502-631-00. While thecomputer shows this to be a correct cross, the speaker is about 4 timestoo large. Can you help?
SonyWMF77
INCORRECT PART NO FOR FWD IDLER ASSY P/N for Ref. 211 Page 26 WM-F77 Service Manual is wrong.P/N X-3335-724-1 is no given, but this same number is also used asRef. 233 same page called Chassis Assy, Mechanism. Need correct P/N forRef. 211 Idler Assy.
SonyWMF70
HEADPHONE PLUG DAMAGES JACK Plug on MDR-A10 headphones, which come with WM-F10, seems tobe too long. If fully inserted, they make poor contact and one channelis intermittent. Dealer here has complained of at least five units likethis.
SonySLHF750
HUM BAR, E-E MODE Hum bar floats through pix in E-E mode. PS voltages appearnormal, but found open zener diode D003 in power supply. Problem mostnoticeable on Ch. 5. Did not appear when playing back pre-recorded tapes.
SonyWMF77
AUDIO CUTS OUT WITH MOVEMENT Audio cuts out with movement.
SonyWMF77
NO AUDIO IN RIGHT CHANNEL No audio - right channel.
SonySLHF750
VIDEO HEAD DISC OUT OF STOCK We have a hot customer, and need one right away. -HQ COMMENTS: P/N 225-A which is listed on microfiche is incorrect.Correct P/N is listed in S/M as A-6762-255-A. These are in stock.
SonyICF7600D
UNSTABLE OPERATION IN SSB MODE In AM SSB mode, very erratic and hard to keep station in tune. -HQ COMMENTS: There is a S/M supplement which has some ckt. changes tolocal osc. to reduce drift. You might try this change to resolve yourproblem. I will send you a supplement. Pls retur
SonySLHF750
REPLACEMENT ROTATION SENSOR DOES NOT WORK Ordered sensor for RMT-143 received different style part undersame P/N. Sensor did not function. -HQ COMMENTS: Please contact KCP and exchange for correct part. Contactme if there are any future problems.
SonySLHF750
NOISE IN PLAYBACK PICTURE During the playback of self or prerecorded tapes, two or threebright spots, one line thick by 1/2 to 1 inch length on picture. Theposition of spots changes left or right by turning the tracking knob.Did not have any other unit to switch the boards for i
SonyWMF75
INTERMITTENT AUTO REVERSE Spurious auto reverse. The shut-off lever (B) was sticking.


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