Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13482

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsG110Start up and run perfectly all day. But if it was20V zener diode D6657.
PhilipsG110Standby Thyristor goes short circuit when switching to standby.Checks in the Power Supply showed that TR7651 was open circuit Base/Emitter. Service Code 4822 130 42513.
PhilipsG110Sound mutes spontanuouslyMount two capacitors of 100 nF (5322 121 42578; in parallel) between pin 10 IC 7220 (stereo decoder) and earth.
PhilipsG110Sound distortion on lh chan - ok on fm soundTDA1543 DA converter chip in Nicam cct faulty
PhilipsG110Sound abswent with "F2" in display Black wire that supplies 9v to NICAM board (to D6661 cath component side) was detached
PhilipsG110Sometimes the SOPS will not start up.Replace 3617 which is fitted across 6617 (220 ohm; 4822 111 90178)
PhilipsG110Slow start up & won't sw to st/by with no sound & pulsing pic (usually after psu rebuild)R3617 220R sm o/c in psu pri
PhilipsG110Set will scan but not stop if chanel foundCheck pin 13 TDA2579 for 0V rising to 9V when signal present C2451 ( 0.01uF ) & IC
PhilipsG110Set blocksNo functions possible anymore Replace IC 7720 (TMP47C634N-2475; 4822 310 31844) Important: also mount metal shielding with earth to R 3738
PhilipsG110Set blocked; no control of functions.Check solder joints of resonator 1760.
PhilipsG110Servicing the Philips G110 ChassisSee TV Mag Dec 1995 & Nov 1996
PhilipsG110Screen goes blnk with Txt lines on Chan changeR3917 safety res o/c,(12v supply), SAA5231 vid proc chip got hot prior to it going - caused by L5803 6Mhz tuning coil
PhilipsG110SCART SOCKET WON'T SWITCH VIDEO OVER BUT DOES SWITTMP47C634-2676
PhilipsG110Replacing the EAROMReplacing the EAROM: The memory IC in these receivers has been replaced by type ST24C02CP (code no. 4822 209 62098). On some receivers however, the circuit will have to be modified. If the ST24C02CP is being fitted in place of an X2402 no circuit changes
PhilipsG110Replacing TDA2579Replacing TDA2579. During production, IC7470 TDA2579 versions N6 and N7 were replaced by TDA2579A/N8. At the same time the values of the following components were also changed. G110: Position N6, N7 and N8 Code C2466 4.7uF 6.8uF 4822 124 20727 C2468 1uF



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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