Dicas Reparação




Modelo - Chassis


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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySLHF450
NO BETA HI-FI No Beta Hi-Fi or Beta Hi-Fi light. Regular audio is ok. Wehave three reports of this.
SonyPBR330
PART NUMBER NEEDED I need the part number for the microphone holder that goeswith a PBR330 parabolic reflector. -HQ COMMENTS: The following part numbers must be ordered: 2-212-424-00,2-212-425-00 and 2-212-426-00. Please note that since this is not a U.S.product there wi
SonyTCW530
PART NUMBER Need the part number for S901, S902 for a TCW530. -HQ COMMENTS: The part number is 1-570-720-11. This number came from aFH-50WX service manual which has the same deck.
SonyTCRX50ES
CHANGE IN MECHANICAL CHASSIS ASSEMBLY Part supplied by Kansas City (X-3343-418-1) is different.Eject safety lever (Ref. 111) does not fit properly.
SonySPP50
HANDSET SPP-50 Very poor reception. Handset could only be used within a 3foot range of base.
SonyKV1929RA
NO PICTURE, NO SOUND, BOARD CRACKED
SonyKV1217
UPC1358H, SUB TO UPC1368H2 After replacing the vertical output IC twice, we still had novert. operation. We tried using an RCA substitute P/N SK-9180. This IChas worked fine. -HQ COMMENTS: We do not usually recommend using a non Sony replacementpart - but the UPC1358's substit
SonyST72TV
DESIGN CHANGE Circuit board layout and circuits are not the same as theservice manual. The part number of the PCB in the unit is 1-619-345-14.The circuit around Q-611 is different. -HQ COMMENTS: Sony Tokyo has issued a service manual supplement onOctober 20, 1989.
SonySLV50
NO MEMORY BACKUP - MANUAL INCORRECT Unit had no memory backup. Found C-608 to be open. The partslist shows this as a 220mf. It should be a .22f/5.5v. Also the blockdiagram shows C-606 to be backup, which is not the case. C-606 is a .1ufnot .1f.
SonyCCDF70
NO POWER No power (also applies to serial number 212510).
SonyCCDF35
IRREGULAR LOADING AND UNLOADING OF THE TAPE The timing belt (L) was falling apart and the strands weregetting into the other gears.
SonyCCDV99
UNIT CREASING TAPE This unit was creasing the tape.
SonyCCDV99
FOCUS HUNTING The focus did not lock. The unit kept hunting.
SonyDT10
ERRATIC OPERATION Unit develops or exhibits unusual problems such as inter-mittent operation. Sled assembly would home but then travel back andforth. After 45 minutes, sled assembly would vibrate or chatter. PLLwould intermittently change frequency. Pin 3 of IC-506 on
SonyCCDV4
NO CAMERA VIDEO IN VIEWFINDER IN RECORD; PB OK. No video in viewfinder or monitor. In standby I could hearthe drum motor hunting. Pin 40 on (VY-8) board measured 2.5V it shouldhave been 5V in camera position. Found IC-002 on (DS-23) board notswitching to camera mode.


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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