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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
PhilipsFL4.26Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot. 14-09-04
PhilipsFL4.26Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04

PhilipsFL4.26Sometimes vibration in vertical direction.Replace C2410 (150nF 5%; 4822 121 41854) on LSP. 14-09-04
PhilipsFL4.26Sound shuts off and OSD in picture.Voltage on pin 4 TDA8417 was 3.5V tt instead of >4.5V TT. Replace X-tal 10 Mhz (4822 242 80276). 14-09-04
PhilipsFL4.26Supply +5V too low, black horizontal bar in picture. Bad sync.Check/replace IC7551 (LM358N; 4822 209 70672) 14-09-04
PhilipsFL4.26Supply 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 leakage of D6266 (BZX79/F6V8; 4822 130 34278) 14-09-04
PhilipsFL4.27"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).14-09-04
PhilipsFL4.2722AV1440 is switched on by external VCR when FL1 is switched offConnect 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 -814-09-04
PhilipsFL4.27After 10 minutes picture becomes red from right sideC2395 on the LSP poorly soldered. 14-09-04
PhilipsFL4.27Antenna input: no sound. External input: sound O.K.Check whether crystal 1602 (stereo decoder) 10MHz oscillates. If not replace X1602 (4822 242 80276). 14-09-04
PhilipsFL4.27Bad 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
PhilipsFL4.27Bad 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. 14-09-04
PhilipsFL4.27Bad picture. Picture scrolls. No RC reaction.+5V was 4,1V instead of 5,1V. Replace IC7551 (LM358N; 4822 209 70672) 14-09-04
PhilipsFL4.27Bad synchronization with external signalsDelete position 3115 on the ECO 100Hz box. REMARKS : Introduced in production in week 9415. 14-09-04
PhilipsFL4.27Beam current limiterBeam current limiter -------------------- Only for 28" or higher To speed up the beam current limiter, position 6478 on the Small Signal Panel has been changed from a LLZ-C27 into a LLZ-C24 (4822 130 81509). REMARKS : This change has been intro14-09-04
PhilipsFL4.27Blank picture. OSD not synchronised and too large, no TXT.Check/replace memory IC 7900 (ST24C08CB1; 4822 209 32283). 14-09-04
PhilipsFL4.27Both languages can be heard by Dual Nicam signalsFor 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.14-09-04
PhilipsFL4.27BUX85F in mikroSOPS defectiveChange the value of C2260 to 4n7F, replace 7270 with transistor BD825 (4822 130 41746). 14-09-04
PhilipsFL4.27Colored 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
PhilipsFL4.27Colour loss at photofinish and scan.Change position 6003 on the ECO-box into a LL4148 (4822 130 80446). REMARKS : Introduced in production in week 9424.14-09-04
PhilipsFL4.27Correction 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
PhilipsFL4.27Correction 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

PhilipsFL4.27Correction to service manual FL2.24/FL2.26/FL4.27Correction to service manual FL2.24/FL2.26/FL4.27 AA ---------------------------------------------------- The following position numbers are mentioned wrong in the stocklist of the Scavem filter panel (page 35): 2512 4822 122 33496 100nF 10% 63V 3527 414-09-04
PhilipsFL4.27Correction to service manual FLx.14/16/17Correction to service manual FLx.14/16/17 and FLx.24/26/27. ----------------------------------------------------------- The code number of position 1200 (fuse 3,15 A) is wrong. The correct code number is 4822 070 33152. This fuse is situated on the LSP i14-09-04
PhilipsFL4.27Correction to the Service ManualCorrection to the Service Manual -------------------------------- In circuit diagram B on page 7 of the service manual FL1.14/FL2.14/FL1.16/FL2.16 and FL 1.17 the resistors 3624 and 3625 are not drawn. These resistors should be drawn on the position of 9614-09-04
PhilipsFL4.27Crazy behaviour: No response from RC or controls.Other phenomenas: volume up/down, spontanuous service mode etc. etc. in areas with TOP-teletext. Replace control software by replacing EPROM IC7002 to version V83 (4822 900 10506). For easy mounting also the controlboard 7115 (on SSP) can be replaced by 14-09-04
PhilipsFL4.27Dark picture, only green led, no menu or OSD.+5V supply was 4,1V. Voltage D6551 was 4,3V instead of 5,6V. Check/replace D6551 (4822 130 80954). 14-09-04
PhilipsFL4.27Foggy picture/fly back lines/protectionCheck/replace R3517 1 Ohm on LSP (4822 052 11108). 14-09-04
PhilipsFL4.27Four dark bars over the picture.The +5 volt was 5.6 volt instead of 5.1 volt. Check/replace IC7551 (4822 209 70672). 14-09-04
PhilipsFL4.27How to enable/disable "Child Lock"Press "MENU" button on Remote Control. When the menu appears on the screen, you select "SPECIAL FEATURES" (this expression is language dependent) Within "SPECIAL FEATURES", the "CHILD LOCK" can be enabled or disabled. 14-09-04
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