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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
PhilipsFL4.17Tuning does not functionResistor R3240 on LSP in V-tuning wire broken. 14-09-04
PhilipsFL4.17Unstable 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

PhilipsFL4.17Wrong 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 EAROM14-09-04
PhilipsFL4.17Wrong synchronization, unstable colorsD6417 on the LSP dependent on temperature, check/replace (4822 130 81223) 14-09-04
PhilipsFL4.26"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
PhilipsFL4.26Bad 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
PhilipsFL4.26Bad 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
PhilipsFL4.26Bad picture. Picture scrolls. No RC reaction.+5V was 4,1V instead of 5,1V. Replace IC7551 (LM358N; 4822 209 70672) 14-09-04
PhilipsFL4.26Blank picture. OSD not synchronised and too large, no TXT.Check/replace memory IC 7900 (ST24C08CB1; 4822 209 32283). 14-09-04
PhilipsFL4.26Both 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
PhilipsFL4.26Correction 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
PhilipsFL4.26Correction 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
PhilipsFL4.26Dark fuzzy picture. OSD and menu not in focus.+5V was 7.8V and +13V was 15.5V IC7551 (LM358N; 4822 209 70672) defective. 14-09-04
PhilipsFL4.26Dark 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
PhilipsFL4.26Foggy picture/fly back lines/protectionCheck/replace R3517 1 Ohm on LSP (4822 052 11108). 14-09-04
PhilipsFL4.26Four 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
PhilipsFL4.26How 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
PhilipsFL4.26In default mode ERR.99, blinking leds. No +5.4V on pin 8 L02IC7551 LM358N defective +5/13V, replaced. (4822 209 70672) Cause: bridge 9240 interrupted. 14-09-04
PhilipsFL4.26Low Brightness TXT and OSD, Picture OKIf this condition occurs, check the Option Codes. Resetting the Option Code numbers as per the Service Manual provided the cure. 14-09-04
PhilipsFL4.26No sound, "ON, Standby, I" LEDs blinking10MHz crystal 1602 on the SSP defective, 4822 242 80276 14-09-04
PhilipsFL4.26Noise on high volumePerform the following modifications on the SSP: Add on position 3618 4,7nF (4822 122 31784) Add on position 3619 jumper (4822 051 10008) Connected in series from 2604/4610 to earth. Change position 4610 into 1k ohm (4822 051 10102)14-09-04
PhilipsFL4.26OSD, TXT, sound, colours OK, no Y signal.C2396 (22nF) leakage (4822 126 11544) 14-09-04

PhilipsFL4.26Overview of doors for FL4 stylingOverview of doors for FL4 styling --------------------------------- 4822 432 93229 Door for 29" FL4.17/FL4.27 4822 432 93393 Door for 29" 4GFL2.20E AA 4822 432 93312 Door for 29" FL4.16/FL4.26 4822 432 93382 Door for 29" GFL2.20E AB 4822 432 93271 Do14-09-04
PhilipsFL4.26Overview of SOPS repair kitsOverview of SOPS repair kits ---------------------------- FL1.0 AG00 upto AG03 4822 310 20492 FL1.0 AG04 and higher 4822 310 31921 FL1.0S 4822 310 31924 FL1.1 25" and 28" 4822 310 31919 FL1.1 33" 4822 310 31932 FL1.1S 14-09-04
PhilipsFL4.26Picture gives black horizontal stripes, also on RGBIC72027 SDA9205-2 LFR box defective (4822 209 31056).14-09-04
PhilipsFL4.26Picture OK after some timeIC7207 (SDA9205-2; 4822 209 31056) defective when set is cold. 14-09-04
PhilipsFL4.26Picture 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
PhilipsFL4.26Set 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
PhilipsFL4.26Set 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
PhilipsFL4.26Set totally inoperative, no LEDs on. Supply hums.R3252 220 kOhm (Start-up micro-sops) defective (4822 116 52258). 14-09-04
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