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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: 1194
AikoCT20Int deaddry joint R23314-09-04
AikoCT20Int field - heightFOP tr Q303 2SB546A faulty - used TIP42C in lieu14-09-04

AiwaC202KERField collapseFusible link 1500 marked as jumper lead from loptx to reg via D681314-09-04
AiwaVXD1420Pin code removalEnter wrong no 3 x, then press Vol- on set & "7" on R/C for 5 secs when "protected" appears14-09-04
AiwaVXD2120KPin code resetting when lostunplug set for 1 hour plus. reduce volume to minimum. simultaneuously press Volume down on unit and "7" to reset pin code and customer ID14-09-04
AiwaVXT1420kDeadStart up Res R502 1M & R503 820k14-09-04
AiwaVXT1420KSt/by onlyLOPTr leaky14-09-04
AkaiCT20K2PADark pic - increasing sub brill resulted in field collR436 120k o/c14-09-04
AkaiTV2034St/by only with HT only half normal & LED flashingStuck in chjld lock mode - disable using handset14-09-04
AkuraCT20Int field , field cramping etc.Q303 heatsink is used as link , fit a wire link in this position14-09-04
AlbaCTV3409 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
AmstradCTV200No sound or pictureR726 ( 1ohm , 1W ) O/C14-09-04
AmstradCTV2000DeadCheck C509 for o/c Or R726 ( 1k ) o/c14-09-04
AmstradCTV2000Distorted sound.R313 high in value.14-09-04
AmstradCTV2000Field collapseCheck V at pin 9 TDA3652 ( 28V ) & V at pins 12 & 15 LA7800 .If no 12V at pin 12 R840 ( 10ohm ) 2Watt o/c14-09-04
AmstradCTV2000Field top foldoverC720 4µ7 160v14-09-04
AmstradCTV2000Int going off.LOPTX arcing.14-09-04
AmstradCTV2000Reduced height/foldoverC720 4µ 160v o/c14-09-04
AmstradCTV2020/2028 Bush 2866Searches but finds no sigsR124 15K 2W O/C located behind the PSU in the centre nearest the front controls14-09-04
AmstradCTV2200After few hours top of pic compressesC812 ( 0.018uF ) 160V ( in feedback TDA3652 & LA7800 )14-09-04
AmstradCTV2200Blows line dr & o/p trdry joints line dr tfmr14-09-04
AmstradCTV2200DeadDry joint On L503 , Q503 , D806 o/c14-09-04

AmstradCTV2200DeadD806 s/c14-09-04
AmstradCTV2200Dead - blowing line o/p transistor.Change C845 ( 4.7u f ) , C853/4 ( 1u f ) , C815 ( 0.01u f ) , C862 if on.14-09-04
AmstradCTV2200Dead - blown fuse.R814 ( 27ohm ) line o/p & chopper transistor , C845 ( 4.7uf )14-09-04
AmstradCTV2200Dead - blown fuse.Line o/p Q802 , Chopper Q802 , R501 , F502 fuse.14-09-04
AmstradCTV2200Dead - chopper tr s/cR814 27R 20w o/c due to C845 4µ 250v s/c14-09-04
AmstradCTV2200Dead - int.Drys on T801 , T803 & coil L503.14-09-04
AmstradCTV2200Dead No obvious S/C no StBy lightCheck 12V reg IC103 & C524 ( 470uF )14-09-04
AmstradCTV2200Dead.R501 ( 5.6ohm 5W ) o/c.14-09-04
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