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Philips Repair Tips




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Search: philips
Results: 14210
Make Model Symptom Problem Solution By
PHILIPS FL1.16
Correction of diagram m` of service manual Correction of diagram m` of service manual ------------------------------------------ the diagram/partslist of the lfr (digital scan) box shows ic7244 typenumber n74f74d. however on this position an ic with typenumber n74f125d (5322 209 61857) is used.
PHILIPS FL1.16
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 FL1.16
Bux85f in mikrosops defective Change the value of c2260 to 4n7f, replace 7270 with transistor bd825 (4822 130 41746).
PHILIPS FL1.16
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 FL1.16
Blank picture. osd not synchronised and too large, no txt. Check/replace memory ic 7900 (st24c08cb1; 4822 209 32283).
PHILIPS FL1.16
Bad picture. picture scrolls. no rc reaction. +5v was 4,1v instead of 5,1v. replace ic7551 (lm358n; 4822 209 70672)
PHILIPS FL1.16
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.
PHILIPS FL1.16
Bad focus or focus varies in a new set or after crt replacement Possible 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
PHILIPS FL1.16
Antenna input: no sound. external input: sound o.k. Check whether crystal 1602 (stereo decoder) 10mhz oscillates. if not replace x1602 (4822 242 80276).
PHILIPS FL1.16
Adaption of service information fl93.05 Adaption of service information fl93.05 --------------------------------------- from 93-06-24 onwards the definition of optioncode 4 has been changed. from this day onwards the definition is as follows: 1 txt peaking filter on/off for lfr box (scandina
PHILIPS FL1.16
50hz buzz noticable through speaker Check/replace ic7680 on the ssp - tda8425, pseudo stereo ic. (4822 209 63734).
PHILIPS FL1.16
22av1440 is switched on by external vcr when fl1 is switched off Connect 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
PHILIPS FL1.16
100hz cross Possible solutions: 1. interrupt on the ssp the 50hz y-signal, between pin 11 position ic7324 (tda4568) and pin 11 position ic7395 (tda8443), by deleting position 4302. repair the connection by means of a shielded cable of 16cm long, m
PHILIPS FL1.16
"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).
PHILIPS FL1.14
Wrong synchronization, unstable colors D6417 on the lsp dependent on temperature, check/replace (4822 130 81223)
PHILIPS FL1.14
Wrong service batch of st24c08cb1 memory ic's Wrong 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
PHILIPS FL1.14
Vertical ripple on picture, and possible error code messages. The fault was suspected to be in the power supply. on investigation it was found that sops control pcb was heat sensitive. fitting a replacement control pcb (4822 310 31932) cured this fault.
PHILIPS FL1.14
Various faults can be observed. Check the earth connection from the ssp: connect earth tuner with earth line output transformer (lsp) to find-out whether the problem is solved. check connectors l02 and s02 pins 1,2 (sometimes only 7 wires are used in the connector)
PHILIPS FL1.14
Unstable picture, horizontal jitter. Check/replace r3405 on the lsp. (4822 051 10303 for 50 hz sets; 4822 051 10333 for 100 hz sets).
PHILIPS FL1.14
Tuning does not function Resistor r3240 on lsp in v-tuning wire broken.