PHILIPS TV Repair: Common Faults and Solutions.


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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS20CT6557
Distorted or noisy sound.Check power supply to the audio and video card (6v), possibility of escape in c103. * Apr 95 BC *. open lii indicator led diode. * 26jan96 anc *.
PHILIPS20CT6557
Distorted sound in spatial functionIntegrated i010 (tda3810) defective. * Apr 95 BC *.
PHILIPS20CT6557
Sound takes time to become audible when changing channelsSubstituir capacitor c270 (15uf) para (10uf). * abr 95 anc
PHILIPS20CT6557
No sound. (with or without image for TV, VCR).Integrated circuit ic012 with activated mute switch, see pins 6,8 and 9, possible leakage of diode d012. * Apr 95 BC *. integrated IC030 (HEF4052) of the AV key. * Apr 95 BC *. diode d010 open. * 26jan96 anc *.
PHILIPS20CT6557
Sem som em lii (sap)Check diodes do25/do26/d027 coils u203/u206. anc. integrated ic226 jul 94 anc.
PHILIPS20CT6557
No green tuning bar.Diode d037 with leakage at the rgb input. * 15jan96 anc *.
PHILIPS20CT6557
Remote causes interference to the fabricOccurs intermittently, sometimes it goes into stand by, check ic100. * nov 94 ac *.
PHILIPS20CT6557
There is no sound on stereo channels, or it is low.Possibility of leakage at c270 (15uf). * Apr 95 BC *.
PHILIPS20CT6557
Left channel doesn't workIntegrated IC001 (RG4558) defective. * Apr 95 BC *.
PHILIPS20CT6557
Right channel doesn't workShorted integrated circuit ic104 (sab3013). * Apr 95 BC *
PHILIPS20CT6557
Stereo LED lights up on all AV channels.Possible leak in the integrated ic012 (hef4066). * Apr 95 BC *.
PHILIPS20CT6557
Stereo led lights up in mono.Check IP67 connector, if there is a modification to not random lighting, check pin 1 track of p67, with escape. *oct 95 anc*.
PHILIPS20CT6557
Led balance indicates (left) on channels 1,4,7,11.Transistor ts027 (bc558) com fuga. * ago 95 anc *.
PHILIPS20CT6557
Interference not somSound from channel 2 invades channels with weak signal, mainly in uhf, check the interconnection cable of the qss module; usually touches the central wire to the shield of the module, or it shorts out at the welding point on the single panel. * Apr 95 BC *.
PHILIPS20CT6557
Turns off immediately after turning on.Verificar capacitor do timer c055 (27nf). * abr 95 anc *.
PHILIPS20CT6557
Turns off when changing channelsCheck intermittent ic100. * nov 94 ac *.
PHILIPS20CT6557
It takes time to change roles.Possible leak in the li/lii switch. * mai 95 anc/ctr *.
PHILIPS20CT6557
Takes time for digits to appearIntegrated IC 035. ** Leakage in transistors TS007 and TS009. * 26fe 96 anc *.
PHILIPS20CT6557
Damage fuseVl002, check capacitor c372 for short. * Jul 95 BC *.
PHILIPS20CT6557
Channel does not change (locks on one channel)Occurs when pressing the +channel key, when reaching channel 10 it stops losing color and brightness (intermittent), this defect and typical of cold soldering between the terminal of the resistor +12 (r585) with its fixing terminal. *anc*