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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
PhilipsFL1.1Production modificationsProduction modifications ------------------------ Position Type New type Code no. Introduced 7137 X2404P ST24C04B1 4822 209 52316 WK9208 7320 CNX83A CNY17-3.6 4822 130 83177 WK9226 7430 TDA4680 TDA414-09-04
PhilipsFL1.1Pulse interference on left-hand sound channelUnder very quiet conditions, slight pulse interference from the receivers I2C bus may be audible from the left-hand loudspeaker if the treble adjustment is set at (or near to) its maximum or minimum. The effect disappears when the treble adjustment is se14-09-04

PhilipsFL1.1Red, green and blue horizontal line in top of the picturePin 8 IC7450 is 22V instead of 12V. Replace C2452 (220uF; 4822 124 41716) and D6451 (BZX79-C3V6; 5322 130 34834). 14-09-04
PhilipsFL1.1Red, green and blue horizontal line in top of the picturePin 8 IC7450 is 22V instead of 12V. Replace C2452 (220uF; 4822 124 41716) and D6451 (BZX79-C3V6; 5322 130 34834). 14-09-04
PhilipsFL1.1Repair procedure 100HZ box and LFR (Digital Scan)Repair procedure 100HZ box and LFR (Digital Scan) box. ------------------------------------------------------ Untill now these panels are send back with and without the metal screening box. To clarify the situation all these panels should be send back wit14-09-04
PhilipsFL1.1Service manual correction for SOPS transistor TS7216Service manual correction for SOPS transistor TS7216 ---------------------------------------------------- TS7216 is changed as follows: Old New Code no. 25 and 28" BUT12AF 0N48214-09-04
PhilipsFL1.1Service manual correction TS7005, TS7006Service manual correction TS7005, TS7006 ---------------------------------------- In chassis manuals for the FL1.0, FL1.1, FL1.6 and FL1.7AA transistors TS7005 (BC848C) and TS7006 (BC848C) in diagram G are drawn incorrectly. They should be drawn with coll14-09-04
PhilipsFL1.1Service manual corrections for 33" CRTService manual corrections for 33" CRT -------------------------------------- In the service (model) manual for the 33ML8990/05B the wrong CRT type is quoted. The correct type is A80EBK221X33 code no. 4822 131 20453. 14-09-04
PhilipsFL1.1Set 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
PhilipsFL1.1Set goes into protection mode i.e. once a week.Only by disconnecting each protection line in turn can it be determined where the fault lies. The fault can be suspected to be in one of the protection stages itself, rather than an actual fault firing the protection circuit. Check/replace D6376 (LLZ-C114-09-04
PhilipsFL1.1Set goes into protection mode intermittently (error 99)We suspected a fault in the protection circuitry, after some time D6376 (4822 130 80922; LLZ-C18) was found to be faulty. This Zener diode monitors the chopper transformer derived 17 volts supply. 14-09-04
PhilipsFL1.1Severe 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
PhilipsFL1.1Shaking pictureC2101 in High End-box defective (4822 122 32999). 14-09-04
PhilipsFL1.1Shaking pictureIC7218 (MC78L05ACP; 4822 209 72042) defective in high-end-box. 14-09-04
PhilipsFL1.1Sometimes in protection, or hor. width variesCheck or resolder on LSP the pins of E/W bridge coil 5521. 14-09-04
PhilipsFL1.1Sometimes set switches off. No +141V.POR-voltage is about 8V. Check D6272 (BZX55-B5V6; 4822 130 34173). 14-09-04
PhilipsFL1.1Sound in pictureChange R3241 on LSP into 2,7 ohm (4822 113 80584) REMARKS : This fault can occur in sets produced between week 9126 and 9132 when the set is used at high volume level. 14-09-04
PhilipsFL1.1Spare parts remote control RC64xxSpare parts remote control RC64xx --------------------------------- Codenumbers for part of the RC64xx remote control: Flap right 4822 432 92716 Flap left 4822 432 92715 Battery lid (cover) 4822 432 92714 14-09-04
PhilipsFL1.1Spook (interference and noise) in 100Hz sets1. Use special antenna cables: 4822 321 61224 PAL 1m 4822 321 61225 PAL 2m 4822 321 61226 SECAM 1m 4822 321 61227 SECAM 2m 2. Add 2 capacitors o14-09-04
PhilipsFL1.1Spook 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
PhilipsFL1.1STARTED BUT SHUT DOWN WITH SBY AND STEREO LIGHTS OTRANSISTORS 7542 , 7540 E.W. CIRCUIT14-09-04
PhilipsFL1.1Strange characters after an hour.IC7204 (PCF80C51BH; 4822 209 63903) in High-end-box defective . 14-09-04

PhilipsFL1.1Strange colors/phenomenas in picture (eg. green horizontal bands)Suspected problem in high end box. On fitting a new high end box, this cured the fault. 14-09-04
PhilipsFL1.1Stripes in picture.The following production change has been introduced to reduce stripes in receivers with serial numbers AG039143 or higher. Position Action Old New(28") New(25") R3604 change 160K 120K 130K C25014-09-04
PhilipsFL1.1Stuck in prot modeC2504 2n2 2kv, line shift trs 7512 & 751314-09-04
PhilipsFL1.1STUCK IN STBY SWITCHED FROM REMOTE LIGHTS FLASHC2504 USUALLY 1nF 2kv14-09-04
PhilipsFL1.1Synchronization fault, "temperature drift"Change the value of R3132 (1k5) to 1k2 in High End Box. 14-09-04
PhilipsFL1.1Synchronization, picture disappearsD6703 and T7704 defective on picture tube panel. 14-09-04
PhilipsFL1.1The +141 is about 110V instead of 141VIt is recommended to replace the SOPS PWB (4822 212 23749). 14-09-04
PhilipsFL1.1Ticking noise and line in pictureTransistor 7381 (BC848C; 5322 130 42136) defective when hot. 14-09-04
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