Philips Repair Tips

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Make	Model	Symptom	Problem
PHILIPS	L6.2	Loss of picture carrier or frequency drift	Change r3420 (see diagram a1) from 12k to 18k (service code 4822 116 52251)
PHILIPS	L6.2	Line transitor t7906 on deflection module (repeated) defective.	Before replacement of t7906 (4822 130 10864) also check l5420 for damage or interruption (take care there is r3424, 47e parallel). codenumber l5420, 4822 157 50965. check if d6108 is bzx79-c7v5, otherwise replace it by that value, codenr. 4822 130 30861.
PHILIPS	L6.2	Lack of width/ e/w dist after fitting repair kit	Tr7908 stp4na40f1 s/c between gate and power supply junctions
PHILIPS	L6.2	Int various - pic size, no sound & off	R3509 47k in psu o/c
PHILIPS	L6.2	Int narrow raster with squeal	Bc338-40 in 5/9v supply
PHILIPS	L6.2	Int functs & tuning loss	5v supply to micro low; 7505 bc548b leaky
PHILIPS	L6.2	Hum, or sound varying depending from picture contents	In sets with a modified antiplop circuit, a capacitor 47uf is mounted between pin 1,7 and 6 ic7205. in that case check if r3206 (4k7) and r3217 (22k) have the correct values and not reverse.
PHILIPS	L6.2	How to activate/de-activate "hotel mode"	Only mono sets of l6.2 chassis have hotel mode possibility! to activate this mode do the following: - select channel 38 - push vol- and vol + on the tv set and osd on the remote control simultaneously. - you now enter the hotel mode. to leave the hote
PHILIPS	L6.2	Hotel fashion	Hotel mode ---------- only mono sets of l6.2 chassis have hotel mode possibility! to activate this mode do the following: - select channel 38 - push vol- and vol + on the tv set and osd on the remote control simultaneously. - you now enter the hotel mo
PHILIPS	L6.2	Destruction of t7906 and coil l5420.	Replace t7906 (=4822 130 10864) and coil l5420 (=4822 157 50965) also replace d6108 from 6v8 to 7v5 (=4822 130 30861). remarks : in case of repetitive failure check/replace line transformer 5422 (4822 140 10623) - test insulation between primary and s
PHILIPS	L6.2	Dead with faint whistle - no led	Tr7505 bc337-40
PHILIPS	L6.2	Dead with faint whistle - led lit	F1502 63ma in psu sec o/c
PHILIPS	L6.2	Dead apart from buzz from psu	F1502 o/c, d6503 byd33d s/c, no line drive now, opto ic7420 u/s
PHILIPS	L6.2	Dead - off with bang	Fit psu kit es7062 , opto 7420 & l5420 - check for dry joints on r3513 330k
PHILIPS	L6.2	Dead - loptr tr7906 runs hot & fails (piv ok)	L5420 in line drive cct o/c
PHILIPS	L6.2	Correction to styling 182 of product survey 1997-4 (4822 727 21584)	The code number mentioned at position 10 of styling 182 is of the 3-fold control frame (4822 464 10326). the code number for the 4-fold control frame is 3111 254 24531.
PHILIPS	L6.2	Codenumber information	Codenumber information ---------------------- during production item 7504 (stp4na40fi) on the mono carrier has been changed into the stp5nb60fp - 9322 126 65687. if you change during repair the stp4na40fi into the stp5nb60fp also the following items have
PHILIPS	L6.2	Bad focus or focus varies in a new set or after crt replacement	Possible solution: short circuit the focus and the g2 pins of the picture tube with the aquadag coating. switch the set on for approximately 5 seconds. after this return the set to its original condition. check if the focus adjusted normally. if not repla
PHILIPS	L6.2	Autosearch does not stop on all video carriers.	The reason is a too high scanning speed; connect 1mΩ + 22nf between r3603/r3604 and r3619/r3662 in circuit diagram a4.(r3619/r3662 is in circuit diagram a4: a2-15; this point is also connected with wirestrap 9126 of diagram a2.) the resistor of 1mΩ is
PHILIPS	L6.2	Addition to service manual	Addition to service manual -------------------------- in addition to the l6.2 chassis manual, following codenumbers are different for 90 degr./ 21" sets: picture tube, a51eal155x47, 4822 131 11105. lot, pos 5422, 4822 140 10635. sops transfo