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Repair tips

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: 4551
PhilipsMD2.22EStand-by LED flashing after start upErrors 47, and possible 69 are indicated. Solution: on LSP probably HFB signal not present caused of defective R3609, 4k7, 4822 052 10472.14-09-04
PhilipsMD2.22ESubpages not stored/updated in menubarCheck whether jumper 4400 is present on TXT-control panel. If not present, mount jumper. The location is between X-tal 1201 and TXT IC7400. Codenumber jumper: 4822 051 20008. 14-09-04

PhilipsMD2.22ESwitching off and on of the wireless surround speakersCheck and replace the following components on the power supply + amplifier panel in the active surround speaker if necessary: - position 2280 into 220uF (4822 124 40196) - position 3280 into 330k (4822 116 52272) REMARKS : IRIS symptom code 654414-09-04
PhilipsMD2.22EThe 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 cont14-09-04
PhilipsMD2.22EThe colours are switching during playback of mounted video tapesThe colours are switching during playback of mounted video tapes on several camcorders. In case a TDA9143 is present on position 7352 on the SSP: - change position 7352 into a TDA9141 (4822 209 90328) - remove position R3377 and R3378 (20M) from the SSP 14-09-04
PhilipsMD2.22EThe time from TXT is not read or with mistakesReplace position 7202 on the TXT & control module with: 4822 900 11102 Software for non EPG sets 4822 900 11066 Software for -/58 sets 4822 900 11058 Software for EPG sets REMARKS : IRIS symptom code 1286 14-09-04
PhilipsMD2.22ETotally deadIf the mains fuse (2 amp; 1501 on the mainsfilter panel) is defective, replace it by a 6.3 Ampere hard break (4822 253 30467) 14-09-04
PhilipsMD2.22ETotally inoperative, red LED slowly flashing; +5V is 2,2VCheck/replace diode D6520 (1N5822; 5322 130 32677) on the +5V panel. 14-09-04
PhilipsMD2.22ETwo vertical grey bars in pictureBent flatcables S10/L10 and S15/L15 away from TDA9143 (pos. 7352 on the SSP) 14-09-04
PhilipsMD2.22EUnstable moving, "waving" pictureCheck on +5 V panel the soldering of C2530. Also check and resolder pin 1,2,3, and 10,11,12 of connector V50 on the LSP.14-09-04
PhilipsMD2.22EVertical shift and amplitude not stable (jumps).Check pins of connector J13 on the DDP. Look for badly soldered (oxidated) pins. Resolder pins if required. REMARKS : Improved connectors introduced in production from week 9742 onwards.14-09-04
PhilipsMD2.22EVertical stripes in pictureOn the right side a 2.5 cm width dark band and on the left side a vertical stripe can be seen. Check if the wires S11-L11 and S10-L10 do not touch C2368 on the SSP. If they touch C2368 bend them away from C2368.14-09-04
PhilipsMD2.22EWrong TXT characters on subtitlesReplace position 7202 on the TXT & control module by: 4822 900 11102 Software for non EPG sets 4822 900 11066 Software for -/58 sets 4822 900 11058 Software for EPG sets REMARKS : IRIS symptom code 1286 14-09-04
PhilipsMD2.22Eat switch on set goes into protection modeReplace C2524 with 10uF14-09-04
PhilipsMD2.22E 29PT9113at switch on green LED comes on for 10 secs, then switches to stby (red)Micro M27C801100F1V0064014-09-04
PhilipsMD2.22E 29PT9113bright red rasterR3351 120k o/c14-09-04
PhilipsMD2.22E 29PT9113no tuningR3568 56k 0.5W on large signal panel (+40V supply to tuner)14-09-04
PhilipsMD2.22E 29PT9113white box with line in it at bottom LHS of the screenauto subtitle selected, but not being transmitted, turn off with button under flap on R/C14-09-04
PhilipsMD2.23E"Digital scan" does not appear in the picture menuIn the direction for use is mentioned that in the picture menu the function 'Digital Scan' can be switched off. However during the picture modes; Super Zoom, 14/9, 16/9, subtitles an automatic the function 'Digital Scan' does not appear in the picture me14-09-04
PhilipsMD2.23E+5 V stand-by defective (also fuse 1580 defect)First check the +5 V supply panel before replacing the fuse. When the +5 V panel is defective, it could be that the +5 V becomes too high, which will damage the circuitry.14-09-04
PhilipsMD2.23EAlternating noise in wireless surround speakersAlternating noise when (moving) objects are between the TV set and the wireless surround box can be solved by deleting R3153 (1k5) of module 1403 of the transmitter panel in the TV set. The components on module 1403 are not indicated but pointing the modu14-09-04
PhilipsMD2.23Eat switch on set goes into protection modeReplace C2524 with 10uF14-09-04

PhilipsMD2.23EAudio supply repair kit MD2.2Audio supply repair kit MD2.2 ----------------------------- For service now there is an audio supply repair kit available. This repair kit can be ordered with codenumber 4822 310 11086.14-09-04
PhilipsMD2.23EBad 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
PhilipsMD2.23EChange in OSD functionChange in OSD function ---------------------- During production the OSD function of the MD2.2xE sets has been changed with the introduction of new software. The old situation was that by pressing the OSD button for 5 seconds it was possible to change bet14-09-04
PhilipsMD2.23ECodenumber informationCodenumber information ---------------------- Codenumber software IC7202 on TXT control panel Sets without full EPG (nextview) is 4822 900 11102 Sets with EPG (nextview) is 4822 900 11058 /58 sets with East Europe language cluster is 4822 900 11066 14-09-04
PhilipsMD2.23EColoured circles in picture after switching onReplace on the LSP the following components: - R3502 from 10 Ohm into 2.2 Ohm (4822 052 11228) - R3531 from 2k2 into 4k7 (4822 116 52283) - C2513 from 100nF into 10uF (4822 124 41579) mounted with the - to the base of T7514 REMARKS : Introduce14-09-04
PhilipsMD2.23ECorrection to the MD2.21E/MD2.22E/MD2.23ECorrection to the MD2.21E/MD2.22E/MD2.23E service manual -------------------------------------------------------- The code number of the Line Repair kit as mentioned on page 67 of the service manual MD2.21E/MD2.22E/MD2.23E AA is not correct. The correct c14-09-04
PhilipsMD2.23EDigital picture when dynamic contrast is on.Check and replace if necessary AI panel. AI S/L 4822 212 11202 AI S/P 4822 212 11161 AI S/L/P 4822 212 11203 AI P 4822 212 11162 AI L 4822 212 11378 AI S/L/P PALPLUS 4822 212 11205 AI S/P PALPLUS 4822 212 11209 14-09-04
PhilipsMD2.23EDoes not start, during 15 sec. green LED ON, then red LED ON.Replace software IC7202 on TXT/Control panel codenr.: 4822 900 11058 and 4822 900 11066 for /58 sets. 14-09-04
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