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
PHILIPSFL1.0S
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
PHILIPSFL1.0S
50hz buzz noticable through speakerCheck/replace ic7680 on the ssp - tda8425, pseudo stereo ic. (4822 209 63734).
PHILIPSFL1.0AA
Protection mode operatedT7542 in prot cct leaky
PHILIPSFL1.0AA
No sound - nicam or fmNo audio o/p from tuner/if module pin 25 or nicam from pin 22 (should be 0.5v p-p) tda3856 u/s in if module
PHILIPSFL1.0 28CL6770/05
St/by only - loptr bu508af s/cCaused by arcing from scan coil connector - may also damage sm prot comps
PHILIPSFL1.0 2828CL6770/05Z
Low signal gainTuner - send to mces for repair
PHILIPSFL1.0
Wrong synchronization, unstable colorsD6417 on the lsp dependent on temperature, check/replace (4822 130 81223)
PHILIPSFL1.0
Unstable picture, horizontal jitter.Check/replace r3405 on the lsp. (4822 051 10303 for 50 hz sets; 4822 051 10333 for 100 hz sets).
PHILIPSFL1.0
Tuning does not functionResistor r3240 on lsp in v-tuning wire broken.
PHILIPSFL1.0
Totally inoperative. only red led on.Check line driver transformer l5503 on lsp (4822 142 40328).
PHILIPSFL1.0
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
PHILIPSFL1.0
Totally inoperative, only standby led is on.Check t7610 (bd948f; 4822 130 60935) and d6522 (by228; 4822 130 41275) e/w circuit.
PHILIPSFL1.0
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,
PHILIPSFL1.0
Ticking noise and line in pictureTransistor 7381 (bc848c; 5322 130 42136) defective when hot.
PHILIPSFL1.0
The +141 is about 110v instead of 141vIt is recommended to replace the sops pwb for sets < ag04 codenumber is 4822 310 20492. for sets > or equal to ag04 codenumber is 4822 212 23748.
PHILIPSFL1.0
Synchronization, picture disappearsD6703 and t7704 defective on picture tube panel.
PHILIPSFL1.0
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
PHILIPSFL1.0
Sound distortion. voltage pin 4 ic7635-2b too low.Check d6172 (llz-c7v5; 4822 130 80906) on the ssp for -8 supply voltage.
PHILIPSFL1.0
Sometimes set switched back to standby. only red led on.Microprocessor panel defective (4822 212 30502 and 4822 900 10331)
PHILIPSFL1.0
Sometimes no picture only sound.Check pin 3 from connector d14 (blue input).