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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: 9
AkaiCT2862UNTDead - PSU components burntSTRS6309, C925 150uF 200V blown, R920 39k, R904 47R, R914 47R, R915 82k, R916 120R all burnt, Q902 2SA1015 s/c -also replace IC902 TLP721 & IC903 SE140N to be safe sus caused by arcing on/off mains switch14-09-04
AkaiCT2862UNTField collapseD406 BA157 s/c, R422 0R68 o/c, TA8427K FOP chip IC401 & C401 100µ 35v o/c14-09-04

AkaiCT2867UNTDead with chopper V025 & LOPTr VK50 s/ccheck C025/026/027/028 in the psu primary, CK57 and RK56 & CK51 - VO25 (S2000N) and VK50 (BUF450) replaced - no other fault found!14-09-04
Matsui20TN (Tatung D4N)To enter service mode after EEPROM corrupted - no sound or OSD (just black blank window)Fit link across 2 pins of PL701, ensure aerial is in, and power up from H/set; Press Chan down 3 times. You are now in text mix mode, Adjust using vol+, Press TV button to store. Press Red Fastext button, Adjust contrast using vol+, this will restore graphics. Press TV button to store. Switch off, remove link.14-09-04
SabaS Chassis withMTS2020SM TunerInt. snow with no picture.Seems to be DJs.Replace 1nF SMD capacitor connected between pins 3 and 4 of SDA210114-09-04
Schneider26" (It can also be found as Koerting model 26)Starts but it is not possible to change programs or to search for channels.Change Control chip SDA2030-A00214-09-04
Schneider26" (It can also be found as Koerting model 26)Won't start, PS protection active.Desolder Vertical IC, if it starts, change it.14-09-04
SonyVTX-100CS TV TunerNo soundCheck/Replace R358 220Ohms Resistor14-09-04
TatungTUNOA51Int start upIC802 LM317 reg14-09-04
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