PHILIPS TV Repair: Common Faults and Solutions.

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PHILIPS Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
PHILIPS	CP90	Field bounce	Tda2579 timebase gen chip
PHILIPS	CP90	Dull pic when connected to normal mains - ok with isolated supply	Crt rimband come adrift
PHILIPS	CP90	Does not start by using remote control	Transistor 7730. better memory battery 1901, 2,4 v- code 4822 138 10313.
PHILIPS	CP90	Does not function	Voltage +95 v not present check/replace ts 7677 (but 11 af; 4822 130 42679), check/replace ts 7673 (bc 547; 4822 130 44257) and ts 7674 (bc 328; 4822 130 44104) and replace d 6674 by byd33j (4822 130 42606) check/replace ts7727 (bc556;
PHILIPS	CP90	Dead.	R3668 ( 15r ) o/c.
PHILIPS	CP90	Dead.	C2695 ( 2.2nf ) , d6695 s/c.
PHILIPS	CP90	Dead.	C2679 ( 1nf 2kv ) , d6679.
PHILIPS	CP90	Dead.	1.6amp fuse o/c , check for drys on loptx ect.
PHILIPS	CP90	Dead with pulsing psu - the 95v ht low at 60v	D6702 bzx79-f6v2 zener leaky
PHILIPS	CP90	Dead with faint whistle	Pri ht ok, no ht at loptr; c2619 1n5 2kv burnt & s/c
PHILIPS	CP90	Dead with faint whistle	Ok on dummy load. but11af loptr s/c - dry joints on chopper tfmr & loptx
PHILIPS	CP90	Dead set - no st/by led or chan ind	Check for osc at pins 31 & 32 tmp47c432 micro ic7840. if absent check c2934 & c2935 27pf leaky
PHILIPS	CP90	Dead psu working pulsing	D6610 s/c r3600 o/c d6072 ( 6v2 ) zener ( if no start up v at junction r3661 r3673 cnx62 u/s )
PHILIPS	CP90	Dead power supply ok no 6v on micro ic	D6733 oc
PHILIPS	CP90	Dead no st/by - 95v/22v present	O/c print near m13 plug/skt
PHILIPS	CP90	Dead no 19v rail f1690 o/c	Ic1701 tda8190
PHILIPS	CP90	Dead ht rises , dies instantly	R3665 , d6665 4r7 and in4148
PHILIPS	CP90	Dead h.t. low 50v	Check d6610 if ok suspect lopt
PHILIPS	CP90	Dead but ok on dummy load with ht at 95v	C2703 330µ 25v leaky
PHILIPS	CP90	Dead , no stby led or chan ind , check for osc at pi	C2934 - 2935 ( both 27 pf )