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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
PhilipsFL1.0Set shuts down.T7542 leaky.14-09-04
PhilipsFL1.0Set switches off by hardware protection from sound. Error code 99.Check Audio IC7000 on LSP (4822 209 73311; TDA1521Q). 14-09-04

PhilipsFL1.0Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04
PhilipsFL1.0Sometimes no picture only sound.Check pin 3 from connector D14 (Blue input). 14-09-04
PhilipsFL1.0Sometimes set switched back to standby. Only red LED on.Microprocessor panel defective (4822 212 30502 and 4822 900 10331) 14-09-04
PhilipsFL1.0Sound distortion. Voltage pin 4 IC7635-2B too low.Check D6172 (LLZ-C7V5; 4822 130 80906) on the SSP for -8 supply voltage. 14-09-04
PhilipsFL1.0Spook 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 meter14-09-04
PhilipsFL1.0Synchronization, picture disappearsD6703 and T7704 defective on picture tube panel. 14-09-04
PhilipsFL1.0The +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. 14-09-04
PhilipsFL1.0Ticking noise and line in pictureTransistor 7381 (BC848C; 5322 130 42136) defective when hot. 14-09-04
PhilipsFL1.0Total 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
PhilipsFL1.0Totally inoperative, only standby LED is on.Check T7610 (BD948F; 4822 130 60935) and D6522 (BY228; 4822 130 41275) E/W circuit. 14-09-04
PhilipsFL1.0Totally 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
PhilipsFL1.0Totally inoperative. Only red LED on.Check line driver transformer L5503 on LSP (4822 142 40328). 14-09-04
PhilipsFL1.0Tuning does not functionResistor R3240 on LSP in V-tuning wire broken. 14-09-04
PhilipsFL1.0Unstable 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
PhilipsFL1.0Wrong synchronization, unstable colorsD6417 on the LSP dependent on temperature, check/replace (4822 130 81223) 14-09-04
PhilipsFL1.0 2828CL6770/05ZLow signal gainTuner - send to MCES for repair14-09-04
PhilipsFL1.0 28CL6770/05St/by only - LOPTr BU508AF s/cCaused by arcing from scan coil connector - may also damage sm prot comps14-09-04
PhilipsFL1.0 chassisDeadFuse open (3.15A), transistor 7216 = BUT12AF shorted and solder joint of SMD resistor 3305 (3.9K) cracked (located on PS control board)23-07-07
PhilipsFL1.0 chassisBlank pictureTuner problem,replace 2534-> 2.2uf,2563 1uf,clean well the pcb around the IF IC (TDA4439) on the components side from acid spilled out the capacitors.27-07-07
PhilipsFL1.0AANo 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 module14-09-04

PhilipsFL1.0AAProtection mode operatedT7542 in prot cct leaky14-09-04
PhilipsFL1.0S50Hz buzz noticable through speakerCheck/replace IC7680 on the SSP - TDA8425, pseudo stereo IC. (4822 209 63734). 14-09-04
PhilipsFL1.0SBad 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 repla14-09-04
PhilipsFL1.0SBad or no functioning of the TDA4680/V4.Check/replace IC7430 TDA4680/V4 (4822 209 31592). It is recommended to add a zener diode BZX79-C12 (4822 130 34197) between pin 28 of the TDA4680/V4 and anode to ground. REMARKS : Introduced in production in week 9140. 14-09-04
PhilipsFL1.0SBUX85F in mikroSOPS defectiveChange the value of C2260 to 4n7F, replace 7270 with transistor BD825 (4822 130 41746). 14-09-04
PhilipsFL1.0SChannel 21 and 28 frequency range cannot be tuned in.Use software version V2.4 or higher; IC7115 on the SSP (4822 900 10298). REMARKS : Introduced in production in week 9218. 14-09-04
PhilipsFL1.0SColored 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 14-09-04
PhilipsFL1.0SCorrection to service information FL 95.01Correction to service information FL 95.01 ------------------------------------------ Correction in the overview of 100Hz and Proscan boxen. The replacement for service code 4822 212 30534 must be 4822 212 31231 The replacement for service code 4822 2114-09-04
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