Philips Repair Tips

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Make	Model	Symptom	Problem
PHILIPS	FL4.27	Low brightness txt and osd, picture ok	If this condition occurs, check the option codes. resetting the option code numbers as per the service manual provided the cure.
PHILIPS	FL4.27	Jitter	In pip unit change the value of r3336 to 4k7.
PHILIPS	FL4.27	In default mode err.99, blinking leds. no +5.4v on pin 8 l02	Ic7551 lm358n defective +5/13v, replaced. (4822 209 70672) cause: bridge 9240 interrupted.
PHILIPS	FL4.27	How to enable/disable "child lock"	Press "menu" button on remote control. when the menu appears on the screen, you select "special features" (this expression is language dependent) within "special features", the "child lock" can be enabled or disabled.
PHILIPS	FL4.27	Four dark bars over the picture.	The +5 volt was 5.6 volt instead of 5.1 volt. check/replace ic7551 (4822 209 70672).
PHILIPS	FL4.27	Foggy picture/fly back lines/protection	Check/replace r3517 1Ω on lsp (4822 052 11108).
PHILIPS	FL4.27	Dark picture, only green led, no menu or osd.	+5v supply was 4,1v. voltage d6551 was 4,3v instead of 5,6v. check/replace d6551 (4822 130 80954).
PHILIPS	FL4.27	Crazy behaviour: no response from rc or controls.	Other phenomenas: volume up/down, spontanuous service mode etc. etc. in areas with top-teletext. replace control software by replacing eprom ic7002 to version v83 (4822 900 10506). for easy mounting also the controlboard 7115 (on ssp) can be replaced by
PHILIPS	FL4.27	Correction to the service manual	Correction to the service manual in circuit diagram b on page 7 of the service manual fl1.14/fl2.14/fl1.16/fl2.16 and fl 1.17 the resistors 3624 and 3625 are not drawn. these resistors should be drawn on the position of 96
PHILIPS	FL4.27	Correction to service manual flx.14/16/17	Correction to service manual flx.14/16/17 and flx.24/26/27. ----------------------------------------------------------- the code number of position 1200 (fuse 3,15 a) is wrong. the correct code number is 4822 070 33152. this fuse is situated on the lsp i
PHILIPS	FL4.27	Correction to service manual fl2.24/fl2.26/fl4.27	Correction to service manual fl2.24/fl2.26/fl4.27 aa ---------------------------------------------------- the following position numbers are mentioned wrong in the stocklist of the scavem filter panel (page 35): 2512 4822 122 33496 100nf 10% 63v 3527 4
PHILIPS	FL4.27	Correction to service information fl 95.01	Correction to service information fl 95.01 ---- correction in the overview of 100hz and proscan boxen. the replacement for service code 4822 212 30534 must be 4822 212 31231 the replacement for service code 4822 21
PHILIPS	FL4.27	Colour loss at photofinish and scan.	Change position 6003 on the eco-box into a ll4148 (4822 130 80446). remarks : introduced in production in week 9424.
PHILIPS	FL4.27	Colored picture or picture is green/red, fly-back lines	Check zenerdiode 6450 on pin 19-ic7430 on the lsp. new diode must be philips (telefunken does not work), 4822 130 81512
PHILIPS	FL4.27	Bux85f in mikrosops defective	Change the value of c2260 to 4n7f, replace 7270 with transistor bd825 (4822 130 41746).
PHILIPS	FL4.27	Both languages can be heard by dual nicam signals	For fl1-ptv change the software into v89; 4822 900 10732 for all other fl sets change the software into v88; 4822 900 10723 remarks :introduced in production from week 9614 onwards.
PHILIPS	FL4.27	Blank picture. osd not synchronised and too large, no txt.	Check/replace memory ic 7900 (st24c08cb1; 4822 209 32283).
PHILIPS	FL4.27	Beam current limiter	Beam current limiter only for 28" or higher to speed up the beam current limiter, position 6478 on the small signal panel has been changed from a llz-c27 into a llz-c24 (4822 130 81509). remarks : this change has been intro
PHILIPS	FL4.27	Bad synchronization with external signals	Delete position 3115 on the eco 100hz box. remarks : introduced in production in week 9415.
PHILIPS	FL4.27	Bad picture. picture scrolls. no rc reaction.	+5v was 4,1v instead of 5,1v. replace ic7551 (lm358n; 4822 209 70672)