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 28CL6770/25Z
Int. sound distortion (sounds like machine gun fire) only when an external unit is switched on (e.g. vcr, sat. box etc)Change xtal 1602 (482224280276) or use non-fully wired scart lead
PHILIPSFL1.10 28CL6770/25Z
Dead - loptr s/cDry joints scan coil connector - can run psu on dummy load by removing l5511 & disable prot by s/c base/emitter of sm tr 7384
PHILIPSFL1.10 28CL6770/252
St/by onlyLoptr s/c due to dry joints scan coil plug or r3347 in psu risen from 75k to 100k (in set ht network)
PHILIPSFL1.10 28CL6770
Dead - loptr s/cCheck for dry joints at scan coil plug
PHILIPSFL1.10 28CL677/257
St/by onlyLoptr bu508af s/c due to dry joints scan coil plug
PHILIPSFL1.10
Wrong synchronization, unstable colorsD6417 on the lsp dependent on temperature, check/replace (4822 130 81223)
PHILIPSFL1.10
Wrong service batch of st24c08cb1 memory ic'sWrong 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
PHILIPSFL1.10
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)
PHILIPSFL1.10
Unstable picture, horizontal jitter.Check/replace r3405 on the lsp. (4822 051 10303 for 50 hz sets; 4822 051 10333 for 100 hz sets).
PHILIPSFL1.10
Tuning does not functionResistor r3240 on lsp in v-tuning wire broken.
PHILIPSFL1.10
Totally inoperative. only red led on.Check line driver transformer l5503 on lsp (4822 142 40328).
PHILIPSFL1.10
Totally inoperative.Transistors 7250 (bux85f; 4822 130 62509) and 7251 (bc848; 4822 130 61207) in microsops defective. or d6251 (llz-c5v6; 4822 130 80954) and r1250 (=r3230; 1Ω; 4822 052 10108) defective. or t7270 (bd825; 4822 130 41746) or t7201 (bc857c; 5322 130 427
PHILIPSFL1.10
Total inoperative, leds blinking, error 99Check and replace if necessary c2504 and/or 2505 (2kv hrr) on the large signal panel. replace by a 3kv15 hr-r capacitor if possible: 820pf 4822 126 13152 1nf 4822 126 13153 1,2nf 4822 126 13154 1,5nf 4822 126 13155 1,8nf 4822 126 13156 2,
PHILIPSFL1.10
Synchronization, picture disappearsD6703 and t7704 defective on picture tube panel.
PHILIPSFL1.10
Supply switch-off sometimesCheck the +5 stand-by. this voltage has to be 5.5v and may not vary. when the voltage drops below 5.2v the set switches-off. cure: check d6266 for leackage (bzx79/f6v8; 4822 130 34278) or check t7268 for leackage (bd943f; 4822 130 62742). the 5.5v is meas
PHILIPSFL1.10
Supply +5v too low, black horizontal bar in picture. bad sync.Check/replace ic7551 (lm358n; 4822 209 70672)
PHILIPSFL1.10
Stripes in picture and after about 5 min. only snow.Replace tuner fq916bl (4822 210 10565).
PHILIPSFL1.10
Spook in pictureUse special antenna cables. codenumbers: 4822 321 61224 pal 1 meter 4822 321 61225 pal 2 meter 4822 321 61226 secam 1 meter 4822 321 61227 secam 2 meter
PHILIPSFL1.10
Splitted characters with txt (bad starting of dvtb).Add r3100 (1m 5% 0,5 w; 4822 116 52235), between pin 7 and pin 15 of ic7111 (saa9042) on the lfr box. change 4108 into 220nf 50v (4822 122 32927) on the lfr box. remarks : introduced in production in week 9333.
PHILIPSFL1.10
Sometimes vibration in vertical direction.Replace c2410 (150nf 5%; 4822 121 41854) on lsp.