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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 112
PhilipsMD1.1EAfter +/- 15 minutes distortion at high volume.Check/replace IC7353 (MSP3400; 4822 209 90562). 14-09-04
PhilipsMD1.1EBad 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 repla14-09-04

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.14-09-04
PhilipsMD1.1EBad synchronisation in Teletext MIX modeAdd 22pF capacitors at positions 2681 and 2682 on the SSP. The service code number is 5322 122 32658.14-09-04
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.14-09-04
PhilipsMD1.1EBlue picture with flyback lines.Short circuit between cathode blue and VG1. Replace picture tube A66EAK252X11.14-09-04
PhilipsMD1.1EBlue picture with flyback lines.Check and replace if necessary T7302 (BF423; 4822 130 41646) on the CRT panel.14-09-04
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 M14-09-04
PhilipsMD1.1ECol reversal - intIC7113 Secam chip int - removed as not used for PAL14-09-04
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.14-09-04
PhilipsMD1.1EColoured lines in pictureCheck and replace if necessary item D6111 (BZX79-F5V1; 4822 130 34233) 14-09-04
PhilipsMD1.1EColoured stips on screenRemount EHT cable in EHT transformer 14-09-04
PhilipsMD1.1ECracking sound in left speaker when OSD is onCheck and remount flatcable S41-H41 (SSP to control panel). 14-09-04
PhilipsMD1.1ECrackling soundCheck and replace if necessary IC7353 (MSP 3410; 4822 209 90563) 14-09-04
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"14-09-04
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 014-09-04
PhilipsMD1.1EDark parts of picture are blue.Check and replace if necessary T7300 (BF869; 4822 130 41773) on CRT-panel.14-09-04
PhilipsMD1.1EDead with mains fuse blown & chopper Tr s/cArcing positor caused it14-09-04
PhilipsMD1.1EEasy way to check the Power SupplyEasy way to check the Power Supply---------------------------------- The MC44603 can be checked for basic operation without the set being connected to the Mains supply. Method: 1) Discharge the 300V smoothing Capacitor. 2) Connect a BYD33D Diode to14-09-04
PhilipsMD1.1EError in Product Survey 1997-3Error in Product Survey 1997-3 28PT5001/02B is incorrectly referred to as styling 149. The correct styling for 28PT5001/02B is styling 103. This styling is published in Styling Yearbook 1996-4 (4822 727 21505)14-09-04
PhilipsMD1.1EErrors in characters with GERMAN or TURKISH teletextReplace the uP by one of the following uPs: VERSION...LANGUAGES...SERVICE CODE NUMBER M12BA1-4.0...F-D-NL-I...4822 900 10988 succ. of uPs with idents 3161, 3199, 3229 and uP SV02-M11C1-43 M12BA2-4.0...SW-DK-N-FI...4822 900 10984 successor of uPs w14-09-04
PhilipsMD1.1EErrors with characters in German TeletextReplace the microprocessor by version MID15-3.9 (ident 3259) The service code of this microprocessor is 4822 209 13579. REMARKS :THIS SOLUTION IS NOT VALID FOR TURKEY!!! IN TURKEY uP MID15-3.9 CANNOT BE USED.14-09-04

PhilipsMD1.1Eexcessive heightreplace SMD C2137 with 22pF (532212614103)14-09-04
PhilipsMD1.1EFaulty colour areasCheck and replace if necessary PTC 3506; 4822 117 12027 14-09-04
PhilipsMD1.1EFlyback lines across top third of picTr7400 BC327A on Tesla panel - next to fop heatsink14-09-04
PhilipsMD1.1EFlyback lines visible or no picture at allFLYBACK LINES Check and replace if necessary the following components on the Tesla module (On LSP panel, near supply for the frame deflection): C2400 22uF 4822 124 41596 D6400 BAV21 4822 130 30842 When there is no picture at all, also c14-09-04
PhilipsMD1.1EGreen picture with flyback lines and then set switches off.1. Voltage on cathode green was 30V due to T7342 (BF423; 4822 130 41646) leakage. 2. Check and replace if necessary diode D6304 (BAV21) on picture tube panel (4822 130 30842)14-09-04
PhilipsMD1.1EHorizontal bars or blue picture with SECAM transcoding in PAL programShort-circuit R3193 on the SSP-panel REMARKS :introduced in production from week 9533 onwards for /01 sets14-09-04
PhilipsMD1.1EHow to enable/disable "Child Lock"Press "MENU" button on Remote Control. When the menu appears on the screen, you select "FEATURES" (this expression is language dependent) Within "FEATURES", the "CHILD LOCK" can be enabled or disabled.14-09-04
PhilipsMD1.1EHum in sound.Check and remount cable L28/S28 on the LSP/Audio module. 14-09-04
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