philips Repair Tips
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Results 4865
Results 4865
Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
---|---|---|---|---|---|
Philips | MD2.25 32PW9523 | excessive width with E/W | IC7480 (482213011336) EW chip | ||
Philips | MD2.25 29PT8413 | Trips int leaving no sound/pic & st/by LED flashing cont. | due to oxidised connections on the audio board pins - looked ok but resoldering cured | ||
Philips | MD2.25 | dead - mains switch faulty | replace switch with improved type (coloured black). Use old part no, Philips will supply a new type | ||
Philips | MD2.25 | No sound - fault in separate sound psu | Tr7302 BU508AF s/c, R3300 6R8 o/c s/c on 16v line traced to AF o/p ic 7740 s/c | ||
Philips | MD2.23E | Vertical stripes in picture | On 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. | ||
Philips | MD2.23E | Unstable moving, "waving" picture | Check 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. | ||
Philips | MD2.23E | Two vertical grey bars in picture | Bent flatcables S10/L10 and S15/L15 away from TDA9143 (pos. 7352 on the SSP) | ||
Philips | MD2.23E | Totally inoperative, red LED slowly flashing; +5V is 2,2V | Check/replace diode D6520 (1N5822; 5322 130 32677) on the +5V panel. | ||
Philips | MD2.23E | The bottom left side of picture shows a green teletext symbol | The 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 cont | ||
Philips | MD2.23E | Subpages not stored/updated in menubar | Check 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. | ||
Philips | MD2.23E | Sometimes still picture occurs | Check and replace if necessary IC7400/IC7441 (TDA8753AN; 4822 209 90528) on the feature box. | ||
Philips | MD2.23E | Set switches to stand-by | Change software into the V_3104 317 00890 (4822 900 11058) REMARKS : Introduced in production from week 9737 onwards. | ||
Philips | MD2.23E | Set inoperative. Red LED flashing. Err 47 44 48 69 88 | Check and replace if necessary resistor R3609 (4K7; 4822 052 10472) on the LSP. | ||
Philips | MD2.23E | Set can go into protection by switching on. | Change capacitor C2524 (parallel to C2525) into 10uF (4822 124 41579). | ||
Philips | MD2.23E | Service hint | Service hint ------------ Check the VDR on the mainsfilter panel. If this is defective, replace the old VDR (4822 116 21217) by a new one (4822 116 10065). REMARKS : Introduced in production from week 9752 onwards. | ||
Philips | MD2.23E | Seagull effect in the top of the screen | Add North South panel 4822 212 11564 on position L91 of the LSP. Remove bridge wire 9621. Add bridge wires 9431, 9442 and 9443. REMARKS : This is only a service solution and will not be implemented in production. | ||
Philips | MD2.23E | Picture distortions on canal+ and FR2 | Change resistor R3141 on the IF module into 180 ohm (4822 117 11448). | ||
Philips | MD2.23E | No TXT, no menu, no OSD | Check and replace if necessary X-tal position 1201 on the TXT&control panel (27MHz; 4822 242 81191). | ||
Philips | MD2.23E | No picture. Sound, menu and TXT are OK. | Check pins of connector O55 on the combfilter panel. Look for badly soldered (oxidated) pins. Resolder the pins if required. REMARKS : Improved connectors introduced in production from week 9742 onwards. | ||
Philips | MD2.23E | No picture, sound OK | Check the "customer service mode": press mute (remote control) and menu (local control) at the same time for 3 seconds. If the PP values are at zero then these values should be changed. |