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Repair tips  

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 4551
PhilipsKT4Standby - dead.C2121 leaky.14-09-2004
PhilipsKT4TrippingC2128 100uF 50v CHOPPER TRANSISTOR COUPLER14-09-2004
PhilipsKT4Tripping.BU508 s/c check for dry joints on LOPTX.14-09-2004
PhilipsKX1201Sound varying.DJs on earth tags 10 , 16 , 18 , L622 or tuner earthing.14-09-2004
PhilipsL 6.2 Horizontal line If +25 Volt missing on 110 degr. module,then check D6907, this can be S/C ( use only BYV 27-400) also check R3908 isn't touching spring for T7904 & check R3928 1R14-09-2004
PhilipsL 6.2BU1508AX has short lifeorange cap in deflection PCB+ L 5420+.L 5421 in base-circuit14-09-2004
PhilipsL 6.2Reverts to st/by at sw onBeside replacing T7505 also replace T7500(BC858B)+D6500(5V1) +C2511 (22uF) 14-09-2004
PhilipsL 6.2 / 6.3int locks up - no chan change or sw on/offreplace 7505 (BC337-40 it is close to power transformer secondary side. (ref Leif)14-09-2004
PhilipsL01.1 28PT51071cm noise band from top to bottom lH side of screen varies with brightness & chanD6460 BY 228 over LOPTx14-09-2004
PhilipsL01.2EE 21PT4457/05No red at sw on then reverts to st/byR3316 68R 1/2w o/c, Tr7311 BF422 s/c b- e - on crt base14-09-2004
PhilipsL2.2AA 29PT828C/05Dead - 5A fuse in plug o/cMains rect cap arcing 220µ 385v14-09-2004
PhilipsL6 seriesDeadChopper FET, SOPS kit & HT smoother C2515 47µ 200v14-09-2004
PhilipsL6.1After a while white screen.Check/replace LOT L5422. 14-09-2004
PhilipsL6.1Bad focus or focus varies in a new set or after CRT replacementPossible 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 repla14-09-2004
PhilipsL6.1Bending picture depending on its white contents.Change R3420 (see diagram A1) from 12k to 18K (service code 4822 116 52251) IRIS CODE : 135314-09-2004
PhilipsL6.1Code-number supply-repair kit L6.1Code-number supply-repair kit L6.1 ---------------------------------- In the service manual of the L6.1 the codenumber of the supply-repair kit is missing. The code-number is 4822 310 10663.14-09-2004
PhilipsL6.1Colour flashes appears or loss of chroma in SECAM standardChange R3433 (see Diagram A1) from 39K to 56K service code 4822 051 20563 14-09-2004
PhilipsL6.1Cracks in sound during fast changing of picture from black to white.Change C2425 to 2200uF 25V.codenumber 4822 124 42449. REMARKS : This only occurs if contrast is at maximum. 14-09-2004
PhilipsL6.1Cracks in sound during fast changing of picture from black to white.New solution: Replace 9001 by 39 Ohm NFR = 4822 052 10399 and add 470 uF between 9001/3013 and ground (470 uF=4822 124 80791)14-09-2004
PhilipsL6.1Cross picture (You can partly see the picture of the next station)Add new Saw filter (CE marking module = 4822 212 11352). This filter can be switched between BG and DK. How to adapt the set: * remove saw filter on position 1001 and replace by CE marking module. * solder the black wire in the hole MCE1 near .P 14-09-2004
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