Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13483

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsMD1.1EDark parts of picture are blue.Check and replace if necessary T7300 (BF869; 4822 130 41773) on CRT-panel.
PhilipsMD1.1ECURTAIN EFFECT in 21" (Thin vertical white lines at left of picture)Check and replace if necessary items R3430 and R3431 on the Large Signal Panel. Item Description Service code number 3430 Resistor Fuse NFR25H 2K7 5% 4822 052 11272 3431 Resistor Fuse NFR25H 2K7 5% 4822 0
PhilipsMD1.1ECracks in Nicam soundCheck and replace if necessary item R3002 by a 180 Ohm 1% 0.1W resistor (4822 117 11448). R3002 is located on the Nicam L panel. For MD1.1E AA sets (not applicable for MD1.2E AA and MD1.1E AB) a micro controller that solves the "random change of volume"
PhilipsMD1.1ECrackling soundCheck and replace if necessary IC7353 (MSP 3410; 4822 209 90563)
PhilipsMD1.1ECracking sound in left speaker when OSD is onCheck and remount flatcable S41-H41 (SSP to control panel).
PhilipsMD1.1EColoured stips on screenRemount EHT cable in EHT transformer
PhilipsMD1.1EColoured lines in pictureCheck and replace if necessary item D6111 (BZX79-F5V1; 4822 130 34233)
PhilipsMD1.1EColour missing with playback of Secam tapeCheck and replace if necessary item 7113 (TDA8395/N2) on the SSP by TDA8395/N3 (4822 209 16032). REMARKS :This is a service solution that is not introduced in production.
PhilipsMD1.1ECol reversal - intIC7113 Secam chip int - removed as not used for PAL
PhilipsMD1.1ECodenumber informationCodenumber information In service manual MD1.1-E the following code numbers are missing: pos number 7119 4822 209 90965 TDA8366 on small signal panel pos number 7353 4822 209 90563 MSP3410 on audio panel (NICAM) pos number 7353 4822 209 90562 M
PhilipsMD1.1EBlue picture with flyback lines.Check and replace if necessary T7302 (BF423; 4822 130 41646) on the CRT panel.
PhilipsMD1.1EBlue picture with flyback lines.Short circuit between cathode blue and VG1. Replace picture tube A66EAK252X11.
PhilipsMD1.1EBlinking LED (set in protection)Set in I2C software protection due to problems with the I2C communication. Check pin 12 of connector I46 on the Audio Module (SCL line). Look for a badly soldered (oxidated) pin 12. Resolder pin 12 if required.
PhilipsMD1.1EBad synchronisation in Teletext MIX modeAdd 22pF capacitors at positions 2681 and 2682 on the SSP. The service code number is 5322 122 32658.
PhilipsMD1.1EBad start behaviour, ON and ST.BY LED flashingChange mains input voltage by a variac. When start problem increases with an input voltage that is only about 10% below normal, check or replace the supply optocoupler. With a good optocoupler an avarage set easily starts on 60% of normal mains voltage.



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.

Verifique se o esquema está disponível na área de downloads