Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13482

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsG110Red flashing when changing chs using VCR.Mod see Tv Mag.
PhilipsG110Protection of T7625 (BUT18AF)Protection of T7625 (BUT18AF) A production change is being introduced adding two diodes connected in series between the base and emitter of TS7625 (anodes towards base). The type no. for the diodes is BYD73B service code no. 4822 130 60778 Reason: To i
PhilipsG110Poor width reg with brightness (HT constant)sm C2526 8n2 leaky
PhilipsG110POOR SOUND ON LH SPEAKER ON NICAM ONLYIC7530 + IC7531 LM833 ( ONE LH ONE RH )
PhilipsG110Poor in contrast.Replace T7413 on the picture tube PCB (BC856B; 4822 130 60373).
PhilipsG110Picture 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).
PhilipsG110Picture moved and a black bar in the middle of the screenTinbridge over C2460. Pin 12 in TDA2579 leaks.
PhilipsG110Picture distortedVertical pulse incorrect. Check capacitor C2500 (220 pF; 4822 122 31965).
PhilipsG110Pic shifted & black line down centre of screenTDA2579 pin 12 has leak to chassis due to solder bridge
PhilipsG110Page 811 appears spontanuouslyDecoder selects page 811 and blocks Mount new uP (IC 7800) MAB 8461P/W196 (4822 209 62479) on TXT-Decoder.
PhilipsG110OSD partly disappeared from the screen in BL sets.Modify C2758 and C2702 from 12pF into 10pF (4822 122 31971).
PhilipsG110One inch black band down lh side of screenTr7594 BC848 & Tr7593 BC858 sm s/c
PhilipsG110offif low res across lop tr (<1k) check lop tr lopt C2550, C2545 1n2 2kv
PhilipsG110offok when s/c prot line - D6657 (LLZ-C20) 16v supply monitor
PhilipsG110Noise in pictureIC7425 (TDA4565; 4822 209 71512) defective.



Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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