Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13483

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsL7.1ACodenumber informationCodenumber information LOT in use for 14" and 20" have service codenumber 4822 140 10612 LOT in use for 21" have service codenumber 4822 140 10638. REMARKS: Will be applied in L7.1a AA chassis.
PhilipsL7.1ACodenumber correctionCodenumber correction service manual this codenumber for postion 7600 is not correct; listed below you will find the correct codenumbers. TXT SAA5290ZP/068 :4822 209 15699 TXT A/P NTSC P083CO55BBP/177 : 4822 209 15563 A/P LATAM P083CO55BBP/179 : 4822
PhilipsL7.1ABad focus or focus varies in a new set or after CRT replacementPossible solution: Short circuit the focus and the G2 pins of the picture tube with the aquadag coating. Switch the set on for approximately 5 seconds. After this return the set to its original condition. Check if the focus adjusted normally. If not repla
PhilipsL6.3AA 25PT4495/05Tripping - s/c in LOPC2912 2n2
PhilipsL6.3AA 25PT4495/05Int lock up of controls - only cured by sw off & on againReg Tr7505 BC337/40
PhilipsL6.3AAField collapse1 ohm resistor 3928 tucked away on the bottom of the upright PCB next to the loptx.
PhilipsL6.33AANo R/C operation aft 5 mins, crackling then int off7505 BC337-40
PhilipsL6.33AADead or tripping7505 BC337-40 & cct prot 1502
PhilipsL6.3 25PT4494/05St/by onlyReplace o/c 630mA fuse link (1502) (4822 252 51185) and BC337-40 transistor (7505).
PhilipsL6.3 25PT4494/05St/by onlyReplace o/c 630mA fuse (1502) (4822 252 51185)
PhilipsL6.3 21PT4494deadchopper Tr s/c, LOPTr s/c. use power kit 4822 310 10663 and replace LOPTr BUT11AX
PhilipsL6.3The set does not work anymore after switching it into the standby modeReplace the line output transistor 7906. Also replace the line output driver transistor 7421 by type BC368-25 (use only a Philips version) The service code of BC368-25 is 933869720112. REMARKS : The cause is that the line output transistor 7906
PhilipsL6.3No sound - noise only from speakersMPS3410 chip faulty - replaced audio pcb
PhilipsL6.3Loses sigs aft 10 mins & no osd7505 BC337-40
PhilipsL6.3Dead - LOPTr 7906 BU1508AX faultyCheck L5420 in its base for o/c - if it is, new LOPTr will fail



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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