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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: 102
Goodmans256NS L6.3AA ChassisE/W distC2913 (390n 250v) and 7908 (STP4NA40F1) mosfet14-09-04
Goodmans286NS/05 L6.3AAE-W distC2913 390nF low cap (on small stand up sub panel)14-09-04

NordmendeF9 Chassis (Control board with SAA1121/SAA1130/SAA1020)Snow on screen, all leds lit, stuck on UHF band.Change SAA1121.14-09-04
OrionTV700BR CTN-AATripping with LED flashing in timeFit dummy load to HT supply - removing pin 1 LOPTX gave 101v - LOPTx u/s - grey type Part Number OR312813820411available from CPC @?21 +vat14-09-04
Philips17PT165B AA5ABDead aft lightening strikeReplace 1571 (630mA wickman) and retune stations (tuning memory had been wiped out).14-09-04
Philips25PT410/05 AA5ABTuning driftC2037, a 220nF SMD on pin 44 of IC7015 (near tuner) also if not locking check adj of AGC preset & coil L5040 near IC701514-09-04
Philips52ZY3535 Anubis B AANo pic, sound ok with faint burning smellNo Filed - replace overheated R3452 4R7, R3450 3R9 & IC7400 TDA3653B14-09-04
Philips5GFL2.30E AADead aft storm - led green for 40secs then redFSS supply not working - fit FSS supply kit - includes module Pt no 4822 310 3221414-09-04
PhilipsAA5 21PT166BDead with F1571 630mA Wickman fuse blownWhen replaced EHT & most volts correct tho no pic & A1 volts incorrect - LOPTx14-09-04
PhilipsAA5 21PT166BDead with HT LOPTx priProt 1571 o/c in series with 11v supply to 8v reg IC7567 which had s/c o/p.This feeds pin 10 multifunction chip IC7015 via L5565 which was s/c to chassis. Usually caused by breakdown in LOPTx14-09-04
PhilipsAA5 AANo field scanTDA3654 7401 & D6449 BYD33G & 3449 400mA wickman fuse14-09-04
PhilipsAA5 ABDead - burn up &/or s/c RGB trs on crt base or IC7015 TDA8362 on main pcb damagedLOPTx is main suspect of this fault14-09-04
PhilipsAA5 ABDead - no line drive pin37 IC7015 TDA8361Chip faulty14-09-04
PhilipsAA5 ABdead - wickman fuse 1571 o/cwhen replaced ht low & tripping. LOPT u/s. If fuse blown for no apparent reason Philips say change thyristor 7481 & 3482 sm resistor 6k8.14-09-04
PhilipsAA5 ABDead no st/by unless line stage dis'dloptr BU1508DX 7445 pt no 4822 130 63569; loptx 5445 pt no 4822 140 1054414-09-04
PhilipsAA5 ABDead with LEDs flashing on/off every 3 secsEEPROM fault - new ST2402A made no difference, neither did LM317T reg which had no o/p - crack in print pin 1 LOPTx14-09-04
PhilipsAA5 ABDull pic aft replacement of TDA8362 or crt base componentsR3470 8R2 safety res in RGB HT supply o/c14-09-04
PhilipsAA5 ABLine collapse then offC2450 680nf 150v s corr cap14-09-04
PhilipsAA5 ABline o/p tr failuredry joints rear connector of scan coils14-09-04
PhilipsAA5 ABNo response to r/c commandsST24C02CP EEPROM chip14-09-04
PhilipsAA5ABLine collapse680nf cap in line o/p stage low cap14-09-04
PhilipsAA5AB 21PT165BOverbright raster, with flyback linesR3470 8R2 o.c. (safety resistor to 183V supply from L.O.T.)14-09-04

PhilipsAnubis B AADead - chopper tr s/cReplaced opto IC7514 CNR50, Control chip IC7500 & chopper tr14-09-04
PhilipsAnubis B-AAHor grey line over picField scan has osc on it - C4213 10nF o/c14-09-04
PhilipsAnubis B-AALED flashing with "ER4" displayedFault in Txt - lines only in Txt - Xtal 1701 27Mhz faulty14-09-04
PhilipsAnubis B-AARemoving "Demo" modeSwitch on whilst holding in "VOL-" & "Prog+" in together.14-09-04
PhilipsAnubis B-AAWhen replacing EEPROM IC7685 ST24C02PDefault language is Norwegian! & childlock (Barnlas)active. To clear childlock select spec functs option C on main menu. Next menu - Barnlas as option A - set to Fran (off). Then able to set up other parameters14-09-04
PhilipsAnubis BAADead with pulsing squeakC2540 2200µ 16v leaky14-09-04
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
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