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
PHILIPSFL1.10
Colors flicker when the set is warm or poor colorsCheck ic7366 color signal delay circuit (tda4660). replace by tda4661 (4822 209 31714). when tda4660 is replaced by tda4661 also change the following components: - delete 2386, 3385 - change 3383 into 33k (4822 051 10333) - c
PHILIPSFL1.10
Colored picture or picture is green/red, fly-back linesCheck zenerdiode 6450 on pin 19-ic7430 on the lsp. new diode must be philips (telefunken does not work), 4822 130 81512
PHILIPSFL1.10
Bux85f in mikrosops defectiveChange the value of c2260 to 4n7f, replace 7270 with transistor bd825 (4822 130 41746).
PHILIPSFL1.10
Both languages can be heard by dual nicam signalsFor 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.
PHILIPSFL1.10
Blank picture. osd not synchronised and too large, no txt.Check/replace memory ic 7900 (st24c08cb1; 4822 209 32283).
PHILIPSFL1.10
Bad picture. picture scrolls. no rc reaction.+5v was 4,1v instead of 5,1v. replace ic7551 (lm358n; 4822 209 70672)
PHILIPSFL1.10
Bad pict. no menu. dark bars over pict. red pict. in dig.scan mode.+5v was 4,3v instead of 5,1v. ic7551 (lm358n 4822 209 70672) defective. ic7209 (saa7158 4822 209 31059) bendic defective.
PHILIPSFL1.10
Bad focus or focus varies in a new set or after crt replacementPossible solution: short circuit the focus and the g2 pins of the picture tube with the aquadag coating. switch the set on for approximately 5 seconds. after this return the set to its original condition. check if the focus adjusted normally. if not repla
PHILIPSFL1.10
Antenna input: no sound. external input: sound o.k.Check whether crystal 1602 (stereo decoder) 10mhz oscillates. if not replace x1602 (4822 242 80276).
PHILIPSFL1.10
After 1 hour e/w and minimum width failure.Transistor t7608 (bc547c) on lsp interrupted when hot. (4822 130 44503)
PHILIPSFL1.10
50hz buzz noticable through speakerCheck/replace ic7680 on the ssp - tda8425, pseudo stereo ic. (4822 209 63734).
PHILIPSFL1.10
22av1440 is switched on by external vcr when fl1 is switched offConnect 4 diodes of type bat 85 to inputs of ic7630 on ssp. 1 diode between pin 3/ic7630 and +5v, cathode to +5v. 1 diode between pin 5/ic7630 and +5v, cathode to +5v. 1 diode between pin 3/ic7630 and -8v, anode to -8v. 1 diode between pin 5/ic7630 and -8
PHILIPSFL1.10
"nvm write protection enabled" message on screen.Startup problem or 'nvm write protection enabled' message on screen after replacement of nvm (st24c08cb1; 4822 209 32283) with a st24c08cb6 (4822 209 33113). use as replacement the st24c08 1 (9311 021 36682).
PHILIPSFL1.1 28CL6770/05
At switch on green led comes on, then switches to stbyDj on scan coil plug/socket causing r3516 to go o/c and q7512 bc548c, q7513 bc558c to go s/c
PHILIPSFL1.1
Wrong synchronization, unstable colorsD6417 on the lsp dependent on temperature, check/replace (4822 130 81223)
PHILIPSFL1.1
Wrong service batch of st24c08cb1 memory ic's 4822Wrong service batch of st24c08cb1 memory ic's 4822 209 32283 ------------------------------------------------------------ temporarily a wrong batch of earom's has been delivered, causing the fault "nvm memory not write protected" after replacing the earom
PHILIPSFL1.1
Violet back colorChange the values of r3163 (470Ω) and r3165 (470Ω) to 1kΩ in high end box.
PHILIPSFL1.1
Vertical deflection in lower part picture disturbed.Check/replace vertical amplifier ic7450 on lsp (4822 209 73308).
PHILIPSFL1.1
Vertical deflection in lower part picture disturbed.Check/replace vertical amplifier ic7450 on lsp (4822 209 73308).
PHILIPSFL1.1
Unstable picture, horizontal jitter.Check/replace r3405 on the lsp. (4822 051 10303 for 50 hz sets; 4822 051 10333 for 100 hz sets).