Dicas Reparação




Modelo - Chassis CDXU303


Pesquisa: CDXU303 Enviar Dica Resolvida
Resultados 18
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCDXU303
RUBBING NOISE, DISC DOES NOT CHUCK PROPERLY Rubbing noise, disc does not chuck properly.
SonyCDXU303RF
PART # CORRECTION: Q503 (CORRECT PART # IS 8-729-204-10) Found part # for Q503 8-729-240-10, was not in system (FIPM).Looked in semi-conductor replacement handbook and found that the # for2SD1417 is actually 8-729-204-10 (page 700 of 1992 2nd SRM). We had thepart in stock and the unit was repaired.
SonyCDXU303
MISSING PART (REF. 168, TENSION SPRING) Back tension spring missing from service arm assy.Originally, I thought this was an isolated problem, but this is the thirdunit I've seen with this problem.
SonyCDXU303
RIGHT CHANNEL HAS NO AUDIO (REPLACED LB201) CD plays OK, but only left channel has audio (no audio onright channel). Found the ferrite bead on the jack board was broken.
SonyCDXU303RF
NO AUDIO OUTPUT (FOUND BROKEN TRACES NEAR LINE-OUT JACKS) Found that unit had no audio output from either left or rightRCA jacks.
SonyCDXU303
SPRINGS #156 INSTALLED UPSIDE DOWN Found two springs #156 that provide tension for arms #172/173were installed upside down. Saw the same thing on a CDXU303. Thoughtperhaps ASD who installed service kit X33660541 had also disassembled thisarea and put springs back wrong. This unit had
SonyCDXU303RF
ONE DISC IS NOT EJECTED One disc may remain in the mechanism when the magazine isejected.
SonyCDXU303
ONE DISC IS NOT EJECTED One disc may remain in the mechanism when the magazine isejected.
SonyCDXU303
WILL NOT ACCEPT CD IN VERTICAL POSITION When CD changer is mounted in vertical positon, unit will notload CD's. Unit works fine in horizontal position. Noticed that DHsprings were not holding the DH arm assemblies in place and appeared to bemounted upside-down. Service manual shows the tabs
SonyCDXU303
NO POWER/PLAY; SHUTS DOWN HEAD UNIT (REPLACE D652) When CD changer is connected to head unit, head unit shutsdown and will not reset. Changer will reset but will not load or playCD's.
SonyCDXU303
NO POWER/NO RESET (REPLACE IC701, P/N 1-532-686-00) Unit will not power up or reset. Noted that DPT diode notilluminated. Found IC701 open.
SonyCDXU303
NO POWER (REPLACE D905, P/N 8-719-106-08) D905 becomes leaky, therefore not supplying the 6.2 regulatedvoltage needed to drive the base Q903 to bias the 5.5V.
SonyCDXU303
DOES NOT ACCEPT CD WHEN UNIT IS MOUNTED VERTICALLY When the changer was mounted vertically the CD's could notload all the way because they would hit the screw holding down the driverboard. It seems that the screw was too long.
SonyCDXU303
CHUCKING MAGNET FALLS OFF The chucking plate falls out of the bracket assy. part #X-3364-480-2, causing either no accept or no play, depending on where theplate roams to.
SonyCDXU303RF
UNIT JAMS, DISCS NOT RETURNED FULLY TO MAG. (REPLACE SW655) Unit would load disc, but then when you went to change disc(for example: from 1 to 5) the slider assembly would not return previousdisc all the way in to magazine. Thus, when the elevator went up or down,the disc would hang up on the elevator assembly.


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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