Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13482

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsFL1.1Stripes in picture.The following production change has been introduced to reduce stripes in receivers with serial numbers AG039143 or higher. Position Action Old New(28") New(25") R3604 change 160K 120K 130K C250
PhilipsFL1.1Strange colors/phenomenas in picture (eg. green horizontal bands)Suspected problem in high end box. On fitting a new high end box, this cured the fault.
PhilipsFL1.1Strange characters after an hour.IC7204 (PCF80C51BH; 4822 209 63903) in High-end-box defective .
PhilipsFL1.1STARTED BUT SHUT DOWN WITH SBY AND STEREO LIGHTS OTRANSISTORS 7542 , 7540 E.W. CIRCUIT
PhilipsFL1.1Spook in pictureUse special antenna cables. Codenumbers: 4822 321 61224 PAL 1 meter 4822 321 61225 PAL 2 meter 4822 321 61226 SECAM 1 meter 4822 321 61227 SECAM 2 meter
PhilipsFL1.1Spook (interference and noise) in 100Hz sets1. Use special antenna cables: 4822 321 61224 PAL 1m 4822 321 61225 PAL 2m 4822 321 61226 SECAM 1m 4822 321 61227 SECAM 2m 2. Add 2 capacitors o
PhilipsFL1.1Spare parts remote control RC64xxSpare parts remote control RC64xx --------------------------------- Codenumbers for part of the RC64xx remote control: Flap right 4822 432 92716 Flap left 4822 432 92715 Battery lid (cover) 4822 432 92714
PhilipsFL1.1Sound in pictureChange R3241 on LSP into 2,7 ohm (4822 113 80584) REMARKS : This fault can occur in sets produced between week 9126 and 9132 when the set is used at high volume level.
PhilipsFL1.1Sometimes set switches off. No +141V.POR-voltage is about 8V. Check D6272 (BZX55-B5V6; 4822 130 34173).
PhilipsFL1.1Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521.
PhilipsFL1.1Shaking pictureIC7218 (MC78L05ACP; 4822 209 72042) defective in high-end-box.
PhilipsFL1.1Shaking pictureC2101 in High End-box defective (4822 122 32999).
PhilipsFL1.1Severe Moire patterningMost modern Colour Televisions use Automatic Gray Scale Tracking and while the setting of the G1 may not seem to have a major effect on the picture brightness on a modern set, incorrect adjustment can have the effect of causing severe Moire patterning if
PhilipsFL1.1Set goes into protection mode intermittently (error 99)We suspected a fault in the protection circuitry, after some time D6376 (4822 130 80922; LLZ-C18) was found to be faulty. This Zener diode monitors the chopper transformer derived 17 volts supply.
PhilipsFL1.1Set goes into protection mode i.e. once a week.Only by disconnecting each protection line in turn can it be determined where the fault lies. The fault can be suspected to be in one of the protection stages itself, rather than an actual fault firing the protection circuit. Check/replace D6376 (LLZ-C1



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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