Philips Repair Tips

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Make	Model	Symptom	Problem
PHILIPS	GR2.4	Curtain effect in the left side of the picture	Add 6n8f 50v capacitor parallel to item 5588. service code number is 5322 122 31866. add 3n3f 500v between pin 5 of the lot and ground. service code number is 4822 126 13599. add 33nf 50v on position 2588. service code number is 4822 122 33342. also ch
PHILIPS	GR2.4	Cracking sound right channel on spoken word with much deviation.	Replace x1101 ceramic filter 7.47mhz (4822 242 70485).
PHILIPS	GR2.4	Corrections on service manual	Corrections on service manual page 28 chapter 7: 1.1 voltage over c2631 must be 143 volt ( instead of 148 volt) 1.3 vg2 alignment:voltage must be 135 volt (instead of 130 volt) 1.13 white balance: the value for the black line sets is 43 (instead of 35
PHILIPS	GR2.4	Contrast of picture is reduced after leaving teletext	Replace microprocessor ic7708. replacement overview: g24w1cor_3.1 (3155) -> replaced by g24w1cor_3.2 (3208) 4822 209 90336 g24w2cor_3.1 (3157) -> replaced by g24w2cor_3.2 (3209) 4822 209 90337 g24n1cor_3.1 (3156) -> replaced by g24n1cor_3.2 (3207) 4822
PHILIPS	GR2.4	Codenumber information manual gr2.4 aa	Codenumber information manual gr2.4 aa items 1007 (sops control modules) have an incorrect description. the descriptions should be: item service code number 1007 4822 212 31669 sops control module 110 degrees 1007 4822 212 31715
PHILIPS	GR2.4	Codenumber correction	Codenumber correction in gr2.4 partslist pos. number 1002 code number must be 4822 212 31458 in gr2.4 partslist pos.3601 (p.t.c) code number must be 4822 116 40263 in stead of 4822 116 41211 (p.t.c/n.t.c) these code numbers are on the mains filter module
PHILIPS	GR2.4	Black bars on screen of television using cdi player with volume high	Replace r3893, on the euromodule 2, by 1k2 with code number 4822 116 52207 remarks : introduced in production from week 9604 onwards
PHILIPS	GR2.4	Bad vertical deflection	Check and replace if necessary: transistor t7502; 4822 130 60775 resistor r3503; 1.2Ω; 4822 052 10128 4.7Ω; 4822 052 10478 resistor r3501; 22Ω; 4822 051 10229 27Ω; 4822 051 10279
PHILIPS	GR2.4	Bad starting up of the set in cold conditions	Replace r3610 on the chassis by 2r2 code number 4822 052 10228
PHILIPS	GR2.4	After a while rattle from metal plates in plastic ring deflection	Deflection yoke made quiet by use off nail-lacquer on metal plates in yellow ring.
PHILIPS	GR2.4	A small e/w fault can be observed.(about 4mm)	Modify e/w circuit c2526 (10nf; 4822 121 41857) r3527 (68k; 4822 050 26803) r3533 (10k; 4822 051 10103) and r3467 (1m8; 4822 053 20185)
PHILIPS	GR2.4	1cm thick horizontal bars in top 10 cm of picture	Replace item c2314 and c2325 on the mono carrier c2314 should become 100nf (5322 121 42386) c2325 should become 47pf (4822 122 31772) remarks : these symptoms only occur with playback of macrovision protected video tapes on jvc (made) vcrs. only pal/seca
PHILIPS	GR2.3	Y-signal was floating, unstable.	Y-signal not clamped. check diode d6420 (ll4148)
PHILIPS	GR2.3	White band at the left of the picture in band 3	Mount 22 pf (5322 122 32143) between pin 4 and 8 of connector e17 on scart module (1006). mount this component very high. remarks : introduced in production in week 9440 onwards
PHILIPS	GR2.3	Pumping picture.	Add pumping modification
PHILIPS	GR2.3	Protection circuit working from time to time	Diode 6592 (ll2c30; 4822 130 80928) leaks. voltage to protection circuit was ca. 400 mv, it should be 28...23 mv.
PHILIPS	GR2.3	No txt.	Check ic7800 (saa5246; 4822 209 32642) in combination with 27 mc x-tal (x1800; 4822 242 81191)
PHILIPS	GR2.3	No picture, no sound	Check soldering of t7401 (smd) on the comb filter.
PHILIPS	GR2.3	No function. dead.	Replace several parts by the mains supply repair kit sops 4822 212 30983
PHILIPS	GR2.3	List of the microprocessors used in gr2.3	List of the microprocessors used in gr2.3 dev. code: 3welo-1.9 supply code: u281 description: stereo english crystal: 6.00 service code: 4822 209 33047