Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Philips | MD1.1E | Dark parts of picture are blue. | Check and replace if necessary T7300 (BF869; 4822 130 41773) on CRT-panel. | ||
Philips | MD1.1E | CURTAIN 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 | ||
Philips | MD1.1E | Cracks in Nicam sound | Check 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" | ||
Philips | MD1.1E | Crackling sound | Check and replace if necessary IC7353 (MSP 3410; 4822 209 90563) | ||
Philips | MD1.1E | Cracking sound in left speaker when OSD is on | Check and remount flatcable S41-H41 (SSP to control panel). | ||
Philips | MD1.1E | Coloured stips on screen | Remount EHT cable in EHT transformer | ||
Philips | MD1.1E | Coloured lines in picture | Check and replace if necessary item D6111 (BZX79-F5V1; 4822 130 34233) | ||
Philips | MD1.1E | Colour missing with playback of Secam tape | Check 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. | ||
Philips | MD1.1E | Col reversal - int | IC7113 Secam chip int - removed as not used for PAL | ||
Philips | MD1.1E | Codenumber information | Codenumber 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 | ||
Philips | MD1.1E | Blue picture with flyback lines. | Check and replace if necessary T7302 (BF423; 4822 130 41646) on the CRT panel. | ||
Philips | MD1.1E | Blue picture with flyback lines. | Short circuit between cathode blue and VG1. Replace picture tube A66EAK252X11. | ||
Philips | MD1.1E | Blinking 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. | ||
Philips | MD1.1E | Bad synchronisation in Teletext MIX mode | Add 22pF capacitors at positions 2681 and 2682 on the SSP. The service code number is 5322 122 32658. | ||
Philips | MD1.1E | Bad start behaviour, ON and ST.BY LED flashing | Change 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. |