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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 4551
PhilipsFL1.17Only white and black lines. OSD and TXT OK. Error 05.Check IC7231 (SDA9205-2; 4822 209 31056) on ECO-box. 14-09-04
PhilipsFL1.17Overview of SOPS repair kitsOverview of SOPS repair kits ---------------------------- FL1.0 AG00 upto AG03 4822 310 20492 FL1.0 AG04 and higher 4822 310 31921 FL1.1 25" and 28" 4822 310 31919 FL1.1 33" 4822 310 31932 FL1.2 4822 310 31932 FL1.6 14-09-04

PhilipsFL1.17Picture disappears (fly back lines), ON STEREO and DUAL LEDs blinkCheck IC7430 (TDA4680). When TDA4680 is too hot there is no picture (4822 209 31592). 14-09-04
PhilipsFL1.17Picture disappears shortly after 30" or control does not function.When hot, 13,5 MHz clock stops working; change the value of R3123 to 1k2. 14-09-04
PhilipsFL1.17Picture often darkCheck IC7201 in High End-box (SAA9042P/A; 4822 209 31851) 14-09-04
PhilipsFL1.17Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C3V6; 5322 130 34834 or BZX79/C10; 4822 130 61219) 14-09-04
PhilipsFL1.17Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C5V6; 4822 130 80954). 14-09-04
PhilipsFL1.17PIP picture not in order.Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423). 14-09-04
PhilipsFL1.17Protection activated due to no +5V from LOT.Check IC7551, LM 358N (4822 209 71825). If IC7551 has to be replaced, it is recommended: 1) for production code AG00-09 add diode BZX79-C18 (4822 130 31024) between 9240 and pin 8 of position 7551, with cathode to pin 8 of IC7551. 2) for production 14-09-04
PhilipsFL1.17Red spikes in picture.Check A/D converter IC7231 ON ECO box (SDA9205-2; 4822 209 31056). 14-09-04
PhilipsFL1.17Repair informationRepair information ------------------ In case of one of the line transistors T7504 or T7506 is defective, it is necessary to replace both transistors. Order number 4822 130 62934 (2x ON4673). 14-09-04
PhilipsFL1.17Repeated light-up of the standby-led after switching-off from standby.Change the following positions on the LSP: Position 3250 from 47 ohm into 62 ohm (4822 116 52198) Position 6251 from LLZ-C5V6 into LLZ-C7V5 (4822 130 80906) REMARKS :Introduced in production in week 9418.14-09-04
PhilipsFL1.17Set can only be operated with Remote ControlCheck whether "Child Lock" is disabled. To check this, see "Frequently Asked Questions", "How to disable Child Lock". 14-09-04
PhilipsFL1.17Set inoperative only red or green LED. Supply was 141V but no EHT.Line drive puls for T7506 (2SC4288A) too low. L5503 defective (Line drive coil; 4822 157 63252) 14-09-04
PhilipsFL1.17Set switched to EXT2 and back to programm.Check D6145 (LL4148; 4822 130 80446). 14-09-04
PhilipsFL1.17Severe Moire patterningMost modern Colour Televisions use Automatic Gray Scale Tracking and while the setting of the G1 may not seem to have a major effect on the picture brightness on a modern set, incorrect adjustment can have the effect of causing severe Moire patterning if 14-09-04
PhilipsFL1.17Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot. 14-09-04
PhilipsFL1.17Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot. 14-09-04
PhilipsFL1.17Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04
PhilipsFL1.17Sometimes vibration in vertical direction.Replace C2410 (150nF 5%; 4822 121 41854) on LSP. 14-09-04
PhilipsFL1.17Spook 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 14-09-04
PhilipsFL1.17Spook lines visible (vertical interference lines at weak signal).Replace C2536 by 1,5 nF (4822 126 11501) and add item C2545 (1nF; 4822 122 31175) on the LSP. REMARKS : Introduced in production in week 9334. 14-09-04

PhilipsFL1.17Supply +5V too low, black horizontal bar in picture. Bad sync.Check/replace IC7551 (LM358N; 4822 209 70672) 14-09-04
PhilipsFL1.17Supply 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 meas14-09-04
PhilipsFL1.17Synchronization, picture disappearsD6703 and T7704 defective on picture tube panel. 14-09-04
PhilipsFL1.17Ticking noise and line in pictureTransistor 7381 (BC848C; 5322 130 42136) defective when hot. 14-09-04
PhilipsFL1.17Total 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 2,14-09-04
PhilipsFL1.17Totally 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; 1 Ohm; 4822 052 10108) defective. Or T7270 (BD825; 4822 130 41746) Or T7201 (BC857C; 5322 130 42714-09-04
PhilipsFL1.17Tuning does not functionResistor R3240 on LSP in V-tuning wire broken. 14-09-04
PhilipsFL1.17Unstable picture, horizontal jitter.Check/replace R3405 on the LSP. (4822 051 10303 for 50 Hz sets; 4822 051 10333 for 100 Hz sets). 14-09-04
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