Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13482

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsFL1.16Small picture with flyback lines. The +141 is about 110V.Check D6372 on LSP (LL4148; 4822 130 80446).
PhilipsFL1.16Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot.
PhilipsFL1.16Severe Moire patterningMost modern Colour Televisions use Automatic Gray Scale Tracking and while the setting of the G1 may not seem to have a major effect on the picture brightness on a modern set, incorrect adjustment can have the effect of causing severe Moire patterning if
PhilipsFL1.16Set totally inoperative, no LEDs on. Supply hums.R3252 220 kOhm (Start-up micro-sops) defective (4822 116 52258).
PhilipsFL1.16Set 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.
PhilipsFL1.16Set 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)
PhilipsFL1.16Set can only be operated with Remote ControlCheck whether "Child Lock" is disabled. To check this, see "Frequently Asked Questions", "How to disable Child Lock".
PhilipsFL1.16Repeated 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.
PhilipsFL1.16Repair 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).
PhilipsFL1.16Protection 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
PhilipsFL1.16Poor colors, no light in pictureCheck IC7207 (SDA9205; 4822 209 31056).
PhilipsFL1.16PIP picture not in order.Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423).
PhilipsFL1.16Picture 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)
PhilipsFL1.16Picture 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).
PhilipsFL1.16Picture OK after some timeIC7207 (SDA9205-2; 4822 209 31056) defective when set is cold.



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