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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
PhilipsFL2.14Faulty horizontal sync. (intermittent and temperature-sensitive)Capacitor 2117 10nF on LFR box mechanically damaged. (4822 122 32422) 14-09-04
PhilipsFL2.14Four 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

PhilipsFL2.14How 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
PhilipsFL2.14JitterIn PIP unit change the value of R3336 to 4k7. 14-09-04
PhilipsFL2.14Line Output TransformersLine Output Transformers ------------------------ The table below, shows all types used, related to FL2.14. Some codenumbers are recently changed; they are marked with an "x". The following LOTs have to be used in sets mentioned below: Screen DAF/14-09-04
PhilipsFL2.14Low 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
PhilipsFL2.14Low frequency hum from subwoofer, buzz from right hand squeeter.Check DC level on pin 1 and 9 of IC7011 (TDA1521). If not correct, replace (4822 209 63913). 14-09-04
PhilipsFL2.14ModificationModification ------------ During production the CRT-fixing screw has been changed into 4822 500 10484 (K40x38). Reason: To avoid shadows on the mask on the position where the picture tube will be screwed. Introduced in production in week 9336. 14-09-04
PhilipsFL2.14No colors in TV modeCheck IC7365 (TDA4650) on the SSP (4822 209 30837) 14-09-04
PhilipsFL2.14No sound, "ON, Standby, I" LEDs blinking10MHz crystal 1602 on the SSP defective, 4822 242 80276 14-09-04
PhilipsFL2.14Overview 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
PhilipsFL2.14Picture 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
PhilipsFL2.14Picture 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
PhilipsFL2.14Picture gives black horizontal stripes, also on RGBIC72027 SDA9205-2 LFR box defective (4822 209 31056).14-09-04
PhilipsFL2.14Picture often darkCheck IC7201 in High End-box (SAA9042P/A; 4822 209 31851) 14-09-04
PhilipsFL2.14Picture OK after some timeIC7207 (SDA9205-2; 4822 209 31056) defective when set is cold. 14-09-04
PhilipsFL2.14Picture 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
PhilipsFL2.14Picture 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
PhilipsFL2.14PIP picture is not synchronized.Check synchronisation IC 7755 (TDA2579B-2Y) on PIP panel. 14-09-04
PhilipsFL2.14PIP picture is not synchronized.Frequency on pin 15 IC7755 sometimes too high. Check C2238 (2n7; 4822 121 42937). 14-09-04
PhilipsFL2.14PIP picture not in order.Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423). 14-09-04
PhilipsFL2.14Poor colors, no light in pictureCheck IC7207 (SDA9205; 4822 209 31056). 14-09-04

PhilipsFL2.14Set 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
PhilipsFL2.14Set 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
PhilipsFL2.14Set sometimes goes in STAND-BY and immediately switches ON again.Replace position IC7120 on LFR box (PCF83C652P/AB/043) by P83C652FFP/50 V34D (4822 209 33289). REMARKS : Introduced in production in week 9337. 14-09-04
PhilipsFL2.14Set totally inoperative, no LEDs on. Supply hums.R3252 220 kOhm (Start-up micro-sops) defective (4822 116 52258). 14-09-04
PhilipsFL2.14Shuts off and on again on Pr.nr. 1 after 3 hours.D6272 (BZX55B5V6) interruption when it becomes hot. 14-09-04
PhilipsFL2.14Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04
PhilipsFL2.14Sometimes vibration in vertical direction.Replace C2410 (150nF 5%; 4822 121 41854) on LSP. 14-09-04
PhilipsFL2.14Sound 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
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