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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: 14
FergusonFG20CB22USwitches itself off aft 10 minsReplace 4 elects in pri of psu14-09-04
MinatoG2DeadTP01 - fitted BUZ90A, RP01 5R6 5w, RP05 1M o/c 14-09-04

NikkaiTLG2000Black hor line drifts down pic on AVQ220 JC501P s/c on small rear pcb (BC546 used in lieu)14-09-04
NikkaiTLG2195Tuning range limitedZD101 33v zener faulty14-09-04
NikkaiTLG2501E-W distR154 o/c, L103 defective, also check TDA8145 EW cotrol chip & RV105 100k pot14-09-04
PhilipsMG2.1E 28PW9515/05Dead with LOPTr s/c - BU2520DFFor reliability do following mod - remove C2411, change C2413 to 10µ 100v, R3406 to 100R to alter line dr coupling from ac to dc14-09-04
PhilipsMG2.1E 32PW9523/05MStarts up, relays click then shuts down with LEDs flashingCheck relay 1010 - conducts only briefly at sw on in this case14-09-04
SanyoC25EG25ND EB2ALoud hum when heated & low gaindry joint on a black insulated wire link that runs from the secondary side of the chopper transformer to one of the regulator chips in the centre of the PCB; check tuner earths for low gain14-09-04
SonyAE-2B KVG2515no satellite receptionQ3001 2SC2412K leaky14-09-04
SonyAE2B KVG2515UDead with 350v on regR612 470k o/c14-09-04
SonyAE2B KVG2915UNo picture (A flashes once B flashes 13) - FieldIC501 STV9739, C1505 220uF 63V14-09-04
SonyKVG21/KVT21Int reverts to st/byR563 180k in Q561 emitter14-09-04
SonyKVG2512Satlelite section failed - no LNB voltsCP605 on main board D o/c (difficult to get at)14-09-04
ThomsonTX807 25DG21UDead - st/by onlydry joint CL21 0µ14 1.6kv, LOPTr BUH516 leaky - use BUH517TH or equiv14-09-04
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