Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81408
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyLBTD560
SPEAKER BOXES NOT REPAIRABLE Grille is glued to speaker box. Cannot disassemble box to replace speakers.
SonyHCDH550M
NO POWER TO DECK B - REPLACED MICRO No power to deck B.
SonyHCDD560
NO POWER This is another unit that came in with fuse F1903 open. Found oscillation (about 600KHz) on output IC when volume is up full on unused function. -SOULUTION: Wrapped wires 7&8 to a wire cable from Power Amp BD to Main B
SonyHCD251
POWER TRANSFORMER FUSIBLE LINK OPENS - REPLACE T901 The fusible link within the transformer opened. This is thesecond time in 60 days.
SonyXRC720
UNIT ALWAYS SELECTS METAL REGARDLESS OF TAPE USED The tape type selection is remaining in the metal biasmode. This condition occurred regardless of the tape used,e.g. it happens using normal tape.
SonyXR6450
UNIT WILL NOT POWER UP Unit will not power up. Found an open trace between connectorCN900 pin 2 and junction of R650. There is no apparent cause of failure,but most of the time the trace is open, and at the same time capacitorC932 blows out.
SonyRMX45RF
PART AVAILABILITY: HIDEAWAY/WIRED DISPLAY The manual has no part number for Hideaway units and WiredDisplays that are defective and cannot be repaired to component level.
SonyMDX400
PART AVAILABILITY: HIDEAWAY UNIT The manual has no part number for Hideaway unitsthat are defective and cannot be repaired to component level.
SonyMDX100
COOLING FAN VERY NOISY (REPLACING FAN FIXED PROBLEM) The cooling fan used in the MDX-100 was making a mechanicalnoise.
SonyEXCD31
LOADS DISC, WON'T CLAMP (CLEANED AREA BETWEEN REF 161 & 159) Would load disc, but not clamp it. Found that the D-lever(ref. 161) was sticking, which prevented the TR circular rack gear toengage (this rack gear is not referred to in the service manual, but isatached to TR tension spring ref. 163).
SonyEXCD1RF
PART AVAILABILITY: HIDEAWAY/COMMANDERS The manual has no part number for Hideaway units and Wiredcommanders that are defective and cannot be repaired to component
SonyEXCD1RF
DISPLAY MAIN BOARD PART NUMBER The part number shown for the EXCD-1RF Display Main Board isthe same as the part number shown for the Off button (ref#352).
SonyCDXC810DSP
LOADS DISC, WON'T CLAMP (CLEANED AREA BETWEEN REF 161 & 159) Would load disc, but not clamp it. Found that the D-lever(ref. 161) was sticking, which prevented the TR circular rack gear toengage (this rack gear is not referred to in the service manual, but isatached to TR tension spring ref. 163).
SonyCDXC710
LOADS DISC, WON'T CLAMP (CLEANED AREA BETWEEN REF 161 & 159) Would load disc, but not clamp it. Found that the D-lever(ref. 161) was sticking, which prevented the TR circular rack gear toengage (this rack gear is not referred to in the service manual, but isatached to TR tension spring ref. 163).
SonyCDXC610
LOADS DISC, WON'T CLAMP (CLEANED AREA BETWEEN REF 161 & 159) Would load disc, but not clamp it. Found that the D-lever(ref. 161) was sticking, which prevented the TR circular rack gear toengage (this rack gear is not referred to in the service manual, but isatached to TR tension spring ref. 163).


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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