Search: Philips 14PT3131/78R
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Philips 14PT3131/78R Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS 14PT3131/78R
Turns on the picture for 5 seconds and turns off (either in Av or Channel)MemoryRe-record or replace (in my case I replaced it and it resolved)DTEC-ELETRONICA-Massapê-ce
PHILIPS 14PT3131/78R
L03.1
Turns on and then turns offTube blur protectionPut three 4148 diodes with + on the tgb filament and the - connected to the blk, then just look for the focus and move on to anotherEletronicazetec
PHILIPS14PT3131/78R
It does not enter the AV function and does not record data in the memory or in the menu or service mode and remains vertically closed at the bottom of the TV by about 5cmI removed the SMD capacitors on the memory power line and the TV returned to normalFelipe José
PHILIPS14PT3131/78R
Dark image but with some characters3442 resistor near open flay-bakMARCOR ELETRONICA
PHILIPS 14PT3131/78R
Turning offR3450R3450 openMailson severo
PHILIPS14PT3131/78R
L03.1L
Resistor position: r-3403 to 470r openGetulio
PHILIPS14PT3131/78R
Retrace lines at the top of the image68nf/250v dry capacitor position 2460As I didn't have a 250 volt one in stock, I replaced it with a 50 volt one since the vertical one works with low voltage.Helio Eletrosonic
PHILIPS14PT3131/78R
Low power supply with 70v at the +b of the secondaryLeaky coupler photoReplaced the photo coupler (solved)JOANILDO SILVA
PHILIPS14PT3131/78R
Vertical with black stripe and lines at the top of the screenC2460(ceramic 68n/150volt)Replace it as it is dryjarbas santos
PHILIPS14PT3131/78R
Inoperative (power supply changed at all power supplys)Ci7515Replace the sameJarbas Santos (eletro-serv)
PHILIPS14PT3131/78R
(turns on and then off)C2444(470u/16volt)Replace c2444(470u/16v aut)located next to thJarbas Santos (eletro-serv)
PHILIPS14PT3131/78R
Turns on with vertical stripes and turns offBroken trailCall (j9518) to (c2447) resolvedNILTON-AVARÉ-SP
PHILIPS14PT3131/78R
***
Turning offMeasuring all the smd transistors of the power supply, I released vertical, horizontal and sound output and the defect continued, then I released q7541 and q7551 and the TV in the same way. and I adjusted the vg2. the TV worked normally.Loosen the transistors q7541 and q7551 to activate channel+ and adjust vg2.wagner
PHILIPS14PT3131/78R
PT3131
Green screen, with retrace and disarmingResistor connected to transistor 7310 on the kinescope PCI (open/check)Replace of the samevinicius
PHILIPS14PT3131/78R
When turned on, the filament lights up and turns offTrc in short note: the call generates and cuts.JDANTEX
PHILIPS14PT3131/78R
L03.1L
Resistor position: r-3403 to 470r openGetulio
PHILIPS14PT3131/78R
Retrace lines at the top of the image68nf/250v dry capacitor position 2460As I didn't have a 250 volt one in stock, I replaced it with a 50 volt one since the vertical one works with low voltage.Helio Eletrosonic
PHILIPS14PT3131/78R
Low power supply with 70v at the +b of the secondaryLeaky coupler photoReplaced the photo coupler (solved)JOANILDO SILVA
PHILIPS14PT3131/78R
Vertical with black stripe and lines at the top of the screenC2460(ceramic 68n/150volt)Replace it as it is dryjarbas santos
PHILIPS14PT3131/78R
Inoperative (power supply changed at all power supplys)Ci7515Replace the sameJarbas Santos (eletro-serv)