Dicas Reparação




Modelo - Chassis CDP101


Pesquisa: CDP101 Enviar Dica Resolvida
Resultados 47
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(Chassis)
SintomaCausaSoluçãoPor:
SonyCDP101
PLL OUT OF SPECIFICATION Disc motor turned backward at maximum speed as soon asturning on the power switch. There was no 1/4 RFCK at Pin 23 of IC210(CX193).
SonyCDP101
UNIT WOULD NOT RESPOND TO REMOTE CONTROL Remote control RM101 would not work with this unit. Did nothave another hand unit to try. By repeatedly keying unit and examiningwaveform at base of Q1, we determined that product word code being outputwas wrong. For example 10011 instead of 10001.
SonyCDP101
NOISE IN LEFT CHANNEL Whistle on left channel. Audible thru headphone output butnot thru line out.
SonyCDP101
RF PLL AND CLV PLL OUT OF ADJUSTMENT The unit does not accept the customer's disc. Decca, Verdi,La Travia (400057-2). It worked fine with YEDS-1.
SonyCDP101
MALFUNCTIONING D/A CONVERTER IC507 The unit had an intermittent low pitched buzz in bothchannels. We found IC507 D/A converter to have an intermittent clock.
SonyCDP101
PART NUMBER - LPF Ordered LPF-F501/F502 (P/N 1-464-273-00) and received LPFboard for Betamax (or perhaps TV) with antenna terminals. -HQ COMMENTS: This part number from the service manual supplement isvalid for late production CDP-101s. KCP stock is being investigated a
SonyCDP101
FUSIBLE RESISTORS R390 AND R391 Door opens slow. R390 and R391 was charred and IC304 wasreplaced as precaution.
SonyCDP101
DEFECTIVE CRYSTAL 1) Disc motor would run at power on. 2) No loading orchucking operation. 3) Sometimes pause and play, LEDs would light.4) Sometimes drawer would open partly.
SonyCDP101
BREAK IN FOIL Although the unit played discs, there was no sound, no counterdisplay. GFS was high and the eye pattern was good. But there was nodata at Pin 17 of IC503 (CX7934).
SonyCDP101
DEFECTIVE IC507 No analog output from IC507 (D/A Converter). All supportsignals present. Data input present. No noise detected.
SonyCDP101
DEFECTIVE CX193 Disc motor spins backwards on start-up and then reverses tonormal drive. No kick start and only 1.5 Vdc B+ at chip instead of 5 Vdc.Failure to accept disc after warm-up. VCD + focus bias out of adjustment.
SonyCDP101
DEFECTIVE KSS-100A Skip of program material at random. Full and accuratealignment had no affect. Acquisition time is excessive and unit isvibration sensitive.
SonyCDP101
DEFECTIVE CNJ36 With disc in place transport would close but would also rejectit immediately.
SonyCDP101
DEFECTIVE CLOCK CKT Intermittently when unit is first turned on disc motor wouldgo to full speed and stay there until power was turned off.
SonyCDP101
RED WIRE CUT After 15 to 30 min, the display will indicate 71 (scan 77.77)in stop mode. These functions also do not operate time, clear, open/close, reset. Moving the wires to display PCB effected problem.


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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