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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
PhilipsFL2.16Picture disappears (fly back lines), ON STEREO and DUAL LEDs blinkCheck IC7430 (TDA4680). When TDA4680 is too hot there is no picture (4822 209 31592). 14-09-04
PhilipsFL2.16Picture disappears for 10-15 minutes and comes back againCheck transistor T7704 (BC856B) (4822 130 60373) on CRT panel 14-09-04

PhilipsFL2.16Picture disappears shortly after 30" or control does not function.When hot, 13,5 MHz clock stops working; change the value of R3123 to 1k2. 14-09-04
PhilipsFL2.16Picture gives black horizontal stripes, also on RGBIC72027 SDA9205-2 LFR box defective (4822 209 31056).14-09-04
PhilipsFL2.16Picture often darkCheck IC7201 in High End-box (SAA9042P/A; 4822 209 31851) 14-09-04
PhilipsFL2.16Picture OK after some timeIC7207 (SDA9205-2; 4822 209 31056) defective when set is cold. 14-09-04
PhilipsFL2.16Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C3V6; 5322 130 34834 or BZX79/C10; 4822 130 61219) 14-09-04
PhilipsFL2.16Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C5V6; 4822 130 80954). 14-09-04
PhilipsFL2.16Picture very noisy.Check tuner FQ 916 ME/BL. 14-09-04
PhilipsFL2.16PIP picture not in order.Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423). 14-09-04
PhilipsFL2.16Poor colors, no light in pictureCheck IC7207 (SDA9205; 4822 209 31056). 14-09-04
PhilipsFL2.16Protection activated due to no +5V from LOT.Check IC7551, LM 358N (4822 209 71825). If IC7551 has to be replaced, it is recommended: 1) for production code AG00-09 add diode BZX79-C18 (4822 130 31024) between 9240 and pin 8 of position 7551, with cathode to pin 8 of IC7551. 2) for production 14-09-04
PhilipsFL2.16Range of picture height adjustment too small.To increase the range of the picture height adjustment change the following components on the Large Signal Panel: - Change position 3422 from 1M3 into 1M2 (4822 116 81223). - Change position 3423 from 1M1 into 820k (4822 116 52305). 14-09-04
PhilipsFL2.16Red/green/bleu flyback-lines in upperside of the picture.Check whether voltage frame flyback (pin 5 IC7450) is O.K. If voltage is too low: replace D6451. 14-09-04
PhilipsFL2.16Repair informationRepair information ------------------ In case of one of the line transistors T7504 or T7506 is defective, it is necessary to replace both transistors. Order number 4822 130 62934 (2x ON4673). 14-09-04
PhilipsFL2.16Repeated light-up of the standby-led after switching-off from standby.Change the following positions on the LSP: Position 3250 from 47 ohm into 62 ohm (4822 116 52198) Position 6251 from LLZ-C5V6 into LLZ-C7V5 (4822 130 80906) REMARKS :Introduced in production in week 9418.14-09-04
PhilipsFL2.16Set can only be operated with Remote ControlCheck whether "Child Lock" is disabled. To check this, see "Frequently Asked Questions", "How to disable Child Lock". 14-09-04
PhilipsFL2.16Set inoperative only red or green LED. Supply was 141V but no EHT.Line drive puls for T7506 (2SC4288A) too low. L5503 defective (Line drive coil; 4822 157 63252) 14-09-04
PhilipsFL2.16Set sometimes goes in STAND-BY and immediately switches ON again.Replace position IC7120 on LFR box (PCF83C652P/AB/043) by P83C652FFP/50 V34D (4822 209 33289). REMARKS : Introduced in production in week 9337. 14-09-04
PhilipsFL2.16Set total inoperative only red LED on.After switching on, only a few pulses from sync IC7400 (TDA2579B N2S1) on LSP IC defective (4822 209 30402) 14-09-04
PhilipsFL2.16Set totally inoperativeLOT (L5555; 4822 140 10443) defective 14-09-04
PhilipsFL2.16Set totally inoperative only red LED+14 is 11.1V instead of 14.1V. +5 is 2.5V instead of 5.4V. D6551(LLZ/C5V6) on LSP leakage (4822 130 80954) 14-09-04

PhilipsFL2.16Set totally inoperative, no LEDs on.Micro-sops R3249 (220k; 4822 116 52258) interrupted 14-09-04
PhilipsFL2.16Set totally inoperative, no LEDs on. Supply hums.R3252 220 kOhm (Start-up micro-sops) defective (4822 116 52258). 14-09-04
PhilipsFL2.16Set totally inoperative, only red LED on.IC7001 (TDA1521QW4; 4822 209 73311) and IC7009 (LM883N; 4822 209 83163) on LSP defective 14-09-04
PhilipsFL2.16Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot. 14-09-04
PhilipsFL2.16Sometimes green picture and flyback lines. Sometimes no green.Check soldering joints of IC7430 (TDA4680) e.g. pin 22. 14-09-04
PhilipsFL2.16Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04
PhilipsFL2.16Sometimes no TXT programme on screen. Wrong clock characters.Check C2046 (10uF; 4822 124 40435). 14-09-04
PhilipsFL2.16Sometimes vibration in vertical direction.Replace C2410 (150nF 5%; 4822 121 41854) on LSP. 14-09-04
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