Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13483

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsMD1.1EVertical lines on left side in picture.Replace R3430/3431 (2K7; 0.33W) by 2K7 0.5W.
PhilipsMD1.1EVertical bright stripe in picture.Check and replace if necessary IC7119 (TDA8366; 4822 209 90965).
PhilipsMD1.1EVertical amplitude of picture is too highChange item C2137 on the Small Signal Panel to: 2.2uF (10V) capacitor 5322 126 14103
PhilipsMD1.1EUnwanted format change from EXPAND to 4/3If the current microprocessor is one of the following versions: MID11W-1.6 ident 3232 MID11W-1.8 MID11W-1.9 ident 3273 replace it by MIWS11-1.1 ident 3324 (service code number is 4822 900 10853) REMARKS :Implemented in production from we
PhilipsMD1.1EUnstable pictureCheck and replace if necessary IC7556 (CNX82; 4822 130 10025)
PhilipsMD1.1ETypenumber informationTypenumber information In the MD1.1E chassis 2 types of SMPS transformers (item 5550) are used. These are: SERVICE CODE NUMBER DESCRIPTION ON TRAFO USED WITH PICTURE TUBE 4822 146 31469 TRANSF POW 10290250 21" 4822
PhilipsMD1.1ETotally inoperative. Red LED flashing.Check diode D6572 (BYV28-200/20; 4822 130 80791).
PhilipsMD1.1EThe bottom left side of picture shows a green teletext symbolThe bottom left side of picture shows a green teletext symbol whether or not the teletext is switched on. Subtitling is selected, but the subtitling page is not stored. Switch off the subtitle function by pressing the subtitle knob on the remote contro
PhilipsMD1.1EText "ELUID" in menu, in stead of "GELUID". (Dutch menu)Micro processor IC7600 Toshiba 3199 mid 3.8 replaced by version 3.9 (4822 209 12781)
PhilipsMD1.1ESURVEY CRT PANELS AND LINE OUTPUT TRANSFORMERSSURVEY CRT PANELS AND LINE OUTPUT TRANSFORMERS version: CRT panel Code number LOT (5430) code number 21" Black Matrix 4822 212 32054 4822 140 10526 24" 16/9 4822 212 3
PhilipsMD1.1ESupply goes in protection during start-upChange item C2137 on the Small Signal Panel to: 2.2uF (10V) capacitor 5322 126 14103
PhilipsMD1.1EStripes in picture when receiving Ch 35 or higher.Check zenerdiode D6003 (BZX79- C33; 4822 130 34142)
PhilipsMD1.1EStrange greek characters on the screenreplace microprocessor IC7600 by software version 38 replacement overview of microprocessors in MD1.1: mid11-we(3161)-->replaced by mid11-38(version:3199) 4822 209 90957 mid12-we(3162)-->replaced by mid12-38(version:3202) 4822 209 90958 mid13-we(3163)
PhilipsMD1.1EStand-by not possible and/or 5V stabiliser defective.Resistor R3588 defective because of too high switch-off current. Codenumber R3588 (3R3, 0.5W; wrong in the Service Manual) is 4822 052 11338. Change C2561 (4700 uF) into 3300 uF/16V : 4822 124 40784. (If the +5V has been too high, also uP and memory-IC
PhilipsMD1.1EStand-by not possible and/or 5V stabiliser defective.Resistor R3588 defective because of too high switch-off current. Codenumber R3588 (3R3, 0.5W; wrong in the Service Manual) is 4822 052 11338. Change C2561 (4700 uF) into 3300 uF/16V : 4822 124 40784. (If the +5V has been too high, also uP and memory-I



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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