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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
Boots1417RFrame collapse.ZD212 ( 12v zener ) s/c , R234 ( 39ohm ) o/c.14-09-04
Boots1417RNo startup - squealing from chopper Tx.Q305 ( 2SD1426 ) s/c , T302 ( LOPTX ) s/c.14-09-04
Boots1417RWhen s/by selected flyback lines & EHT arcs.C609 ( 47uf25v ) low.14-09-04
Boots1417RWhen s/by selected raster gos but LTB runningQ605 ( 2SA1013 ) s/c.14-09-04
BootsC1417RFlyback & Txt lines at top of picR307 10R 2w risen to 50R14-09-04
BootsCTV1417RDead apart from squealingLOPTr 2SC1426 s/c, R234 47R 1W overheated, ZD212 12v zener s/c - check C609 47µ in psu14-09-04
CrownCR3797RDead with squealC612 22µ 50v & C611 47µ 40v hi esr, 2SD5071 LOPTr leaky used 2SD1651 in lieu, line dr tr 2SC2330 s/c now would work except CRT is soft! Used 2nd hand crt to complete repair & replace C319 with 4n7 2kv to increase width14-09-04
Matsui1407RSPin Code reqdRemove old pin code, enter wrong code 3 times, press VOL UP on TV & "7" on handset together14-09-04
Matsui1407RSSt/by only with 120v on HT sw tr Q504 collector but only 10v at LOPTrMicro IC10314-09-04
Matsui2107N, 2107RService modeHold Vol- on TV & 9 on R/C for at least 2 sec.To navigate use Ch+/-, to adjust use Vol+/-. To exit press '8'.14-09-04

PanasonicCN677RBlows lop tr at sw onLine dr tfmr faulty - could be dry joints on it14-09-04
PanasonicCN677RBlows lop transistorBU2508D subst for the 2SD1175 fitted seems to have cured it14-09-04
PanasonicCN677RTune store inopD1129 o/c14-09-04
SaishoCT147RChan stores on all chans together32v tuning supply high at 38v, IC102 µPC574J faulty14-09-04
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