Dicas Reparação




Modelo - Chassis C8


Pesquisa: C8 Enviar Dica Resolvida
Resultados 212
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCDPC85ES
INTERMITTENT SHUT DOWN - REPLACED D913 Unit would play perfectly for a time. 5 mins to severalhours. When in failure mode, laser would return to home position andun-chuck the disc. CLV motor may also spin rapidly.
SonyCDPC89ES
INTERMITTANT DISC SKIP, TRAY ALWAYS ROTATES - ROLLERS FLAT The unit is continuously spinning the tray or intermittentdisc skip. Troubleshooting, I found that the rollers for the tray wereworn flat. The flat rollers prevent the mech. control from identifyingthe disc location.
SonyCDPC89ES
MECHANICAL NOISE DURING OPEN/CLOSE/DISC SKIP - ADJ BRACKET When units press open/close or disc skips it would make aclick click mechanical noise. As soon as I took the cover off, I saw thatthe bracket (press pulley) was set too low. When the tray turned, thebracket and tray contacted each other.
SonyDTC87ES
INTERMITTENT STATIC IN AUDIO - CN351 IMPROPERLY SEATED When playing back or recording analog, the meters were pegged.
SonyCDPC87ES
NO AUDIO/NO DISC TABLE ROTATION (REPLACE R340, Q-210) The disc tray would not rotate. When you placed the discmanually into position, disc TOC was read and the disc played but therewas no audio output.
SonyCDPC85ES
NEW DISC TABLE FROM KCP HAS ONE HOLE PER DISC INSTEAD OF 2 I ordered ref. No. 53 disc table (P/N 4-726-383-11) andreceived one with only one small hole and a slot instead of two holes. Ithen ordered No. 69, A-4604-533-A disc table assembly which included adisc table with two holes per disc.
SonyTC818M
NO FUNCTIONS/BROKEN PC BOARD This is the deck section of the MHC-3300. No tape functions.Caused by cracks around Q-704 and Q-702 on Audio board. Board has pre-forations at this point, presumably to aid heat transfer. This weakensit. Sample to follow labeled KV0501. -HQ COMMENTS
SonyEVC8
CHEWS TAPE INTERMITTENTLY Unit will chew tape, highly intermittently. Found the greaseon the shaft of the B gear assembly to be very sticky. It seems that asthe unit ages the grease thickens and restricts the rotation of the gear.
SonyCDPC85ES
TORN PRINT ON PCB When you remove IC-102 with Pyro pen, too much glue has beenput underneath IC. When you try to remove the IC, the print tears up thecircuit board. -HQ COMMENTS: The glue used is necessary during the manufacturingprocess to secure the components to the
SonyCDPC85ES
DISC SPINS DOES NOT READ TOC A new A stock unit the Laser is firing, disc spins, but theinformation is not being read. A very poor RF pattern is observed whenthe player is trying to read TOC. The lens is popping up and downapparently trying to focus and the motion of the lens is r
SonyCDPC85ES
DISC TABLE WILL NOT ROTATE On some units the bracket which houses the optical devicecontacts the base of the player. This causes the table not to rotate orthe disc not to play. -HQ COMMENTS: The cause of the problem is the metal base warping upward.When the bracket drops it does
SonyEVC8
RECORDING COLOR IS BAD Unit was recording with no green component (color bar).
SonyCDPC800
PART NUMBER NOT LISTED FOR CHASSIS There is no part number listed for the Chassis Assembly, shownon page 27 of the S/M. It is listed as NOT SUPPLIED. Do I have toreplace this unit to resolve this problem? -HQ COMMENTS: Let me see if I can get a part number for this.To Tokyo: Can you su
SonyTC818M
WOW AND FLUTTER ON RECORD Wow and flutter on record. Sometimes noticeable on playback.
SonyEVC8U
SNOWY PICTURE EVERY TWO OR THREE SECONDS Every 2 or 3 seconds the picture would become snowy. Soundremained 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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