PHILIPS TV Repair: Common Faults and Solutions.

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PHILIPS Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
PHILIPS	51TB1222 L6.1	Whistling of the usustem a9 v power supply instead of 100v	C2423 102k, 1kv blue capa and tht
PHILIPS	VR722 VR722/02/05/08/13	Dead after power short loss	Drained capacitor c2114 47µf,16 volt philips part number 4822 124 80231
PHILIPS	VID COMBI MODEL: 14PV505/07	Dead set, no red standby light on the front panel	Check d639, on the secondary of the chopper transformer, it supplies the 8volt line, and goes s/c. fuses remain in tact
PHILIPS	25PT452A/11 GR2.2	Picture wide and triping	Change d6591 s/c 1n4148
PHILIPS	28DC2670/21R D16	Hot is s/c, after replacement tv functions are erratic, snow on screen / goes into standby / black screen	Change the vcu 2136 it is possible to replace with a vcu 2133
PHILIPS	2BS	No e-w correction	Replace tr7467
PHILIPS	-VID COMBI MODEL: 21PV688/05/39 EVOLUTION AA	Dead, mains fuse blasted	D6313 1n5062 s/c, also capacitor c2328 470pf, 1kv s/c
PHILIPS	28PW8504-12 MG2.1E	Tv seems to be working, but tsound is no pictue, osd is present.	Tda9330 is defective
PHILIPS	28ML8805-16B FL1.6AA	Clips picture at bottom when warm	Vertical deflection ic defective 7450 tda3654q
PHILIPS	28ML8805-16B FL1.6AA	Some front panel indicators are dark	Leds are tired
PHILIPS	28ML8805-16B FL1.6AA	Dead	Fuse open 3.15a, transistor 7216 on4827 = but12af shorted and solder joint of smd resistor 3305 11k cracked located on ps control board
PHILIPS	L6.1AA	Sound goes off and no remote control functions when heated	T7505 in +5v supply, replace 482213041344
PHILIPS	29PT785C G88	The set goes into protection and tries to restart. the tube shows no horizontal lines	After disconnecting the horizontal plug the +148v and crt high voltage remained stable. the small pcb on the tube scan coils with 5 or 6 pins was dry jointed at copperside
PHILIPS	27CE4599-33R 2B	Red raster and red flyback lines	One of the paralelled 75 kΩ resistors of red was open, replaced with 47k in series with 27k and fault gone fault seeking in rgb output difficult due to intelligent auto calibrating-cutoff driver with picture mute tda4580
PHILIPS	27CE4599-33R 2B	Smearing out of one or several colors, best seen in txt-mode, my 27ce4599/30r smeared out in red and green, not in blue, fully exchanging the drivers input and output complete, otherwise the rgb driver will blank the crt moved the fault to the other color	Replace the 180k feedback resistors in the amplifiers with normal 1/4w metal film instead of 1/8w, they can become open circuited in mine both green and red were faulty in this way. change all 3 and not just the defective ones, replace also all the paralleled 75k resistors per color fe by 47k+27k to prevent bright color raster they can also become open circuit
PHILIPS	L6.2	No sound, no picture and the power supply makes a loud and low tone chirping noise	Replace shorted capacitor 2912 2n2, 2kv on the deflection module. note that 2912 is hard to find. it should be blue. if it's brown it's bust
PHILIPS	CP110	Operating fine good picture, sound and control but sometimes sharp sounds coming from the set not via audio, sounding like the lopt but more loud, sharp and variable 15 khz	The long coil next to the lopt was resonating/generating sound not the lopt itself, solved by cleaning the top and putting a bubble of silicone kit on it, and after temporarily removing the coil from the pcb fixating a ty-wrap strongly around the bottom increasing the magnet-ferrite contact-pressure and stiffness of plastic support construction
PHILIPS	37TA1070 CTT-H AA	No tuning voltage on tuner. goes for: philips and magnavox versions. also the radiotone tv386vt-scart which is the same	Resistor 3602 8kΩ broken. it is in the 95volts line providing 33v for tuning circuit. this uses the same processor as the gr1-ax which also might have the same problem. in that case resistor 3702 is to blame
PHILIPS	GR1AX	No tuning	Check r3703 for o/c and r3702. also in ctt-h aa , then r3602
PHILIPS	GR1AX	Tv will not start, seems dead	First measure the 100 volt rail, if it is missing, then desolder the field output transformer, then recheck the 100 volt again, if it is now present, replace the transformer : the type = 37622 replacement = fat 30057 konig. after that everything was ok!