Dicas Reparação Panasonic





Pesquisa: Panasonic

Resultados 2657

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
Panasonic TX28PK2Internal 3.15A mains fuse blown with no obvious causeThe official Panasonic modification is to uprate the mains fuse from 3.15A to 5A
Panasonic TX25W1EScreen turns white intermittentlyBloqueo de la fuente se va el diodo R2KL
Panasonic EURO 4Int going into standby.Replace C454 a 22nF smd, located near the Frame o/p ic
Panasonic TC-21 S3R Z7 Picture fades away few seconds after start-up till no picture. Sometimes no picture at all. Sometimes picture OK for longer. Sound unaffected.Faulty joints on CRT pcb. Cracked solder joints at tube socket connections on CRT circuit board. Caused variable supply to CRT heaters. Resolder all socket pins to pcb.
Panasonic TX32PF10 EURO 4 Over a short period of time the convergence of the picture gets steadily worse. Eventually it is so bad that even the teletext shows double or triple images when they are made up of a combination of colours. Pure colours: Red, Green or Blue are OK.The Tube must be replaced. Apparantly this is a known problem to Panasonic, especially on 32" tubes. It has been known to happen both in and out of warranty. So far Panasonic when contacted have also paid for repairs when out of warranty 2 years old
Panasonic E110 NA Image and text are to large on screenReplaced flyback
Panasonic 14B3T Z375 Excessive vertical overscan caused by a poor factory set upEnter service mode and alter V Size:-
Panasonic NVHD660B K DECK When inserting tape, tape goes in, get a motor whirring noise, and tape ejects again with an "F02" or "F04" error. Closer examination shows that tape seating correctly, but tape not being fed out to the headCause was the motor powering the main mechanical feed/load and eject gear, underside of main front right of central chasis. Small plastic part on motor spindle under gear had split, so slipping. Secured part and gear to spindle with super glue! OK now!
Panasonic NVFS90EGPower supply problem, high frequency sound only !Check / replace C9 1uF, 400V
Panasonic TX33AK10 EURO 5 Strange picture / bleary / movement blurr etc etcThis problem was caused by eeprom corruption, once the eeprom was reset the fault was cured note that after a reset reinstallation i.e. tuning will be required
Panasonic NV-HD100Display dead rest of functions okChange transistor Q1701 on Timer operation board
Panasonic TX-32PK3Reverting to standby at switch onReplace C454 22nF surface mounted component. It is also worth examining the line output and power supply areas for poorly soldered joints
Panasonic TX28DK2 EURO 4 No surround soundAs Mark said in a fault on the Euro 4 , Replace the TDA2030.
Panasonic TX-14/21GV1No operation, standby led blinkingReplaced C840 47uF, 25v which had gone low in value
Panasonic NVG30Operates for about half hour to an hour and shuts downCapstan IC located on the underside of main PCB was dry jointed due to exessive heat. Remove and discard plastic cover and apply fresh solder removing old. Also refresh heatsink compound.I'll try extending the heatsink too



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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