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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: 3128
AiwaCXZR800KAt sw on relay clicks "DEMO" displayed then dead - keeps repeatingCheck 2 x 2SK2723 FETs on sound o/p heatsink14-09-04
Akai2185Won't go into st/byCHECK SUPPLY TO PIN 1 OPTOCOUPLER - R572 ( 470ohm )14-09-04

Akai2870TEXT ODDITYREPROGRAM MICRO.PRESS TEXT ON REM , S ON TV , THEN TEXT AGAIN14-09-04
AkaiCT2185Reverts to st/by aft few secs from sw onPin 19 of micro low - R748 100k pull up res faulty14-09-04
AkaiCT2185-10St/by onlydry joints psu14-09-04
AkaiCT2585Dead - lop tr s/cDry joints & line dr tr T507 BD337-25 int causing arcing noise14-09-04
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
AkaiCT2867Black vert line down rh side of picCK53 120nf in blanking cct14-09-04
AkaiCT2867Thick lines across entire screenRS11 in vert scan 0µ47 tant14-09-04
AKAICT2867THICK LINES ACROSS SCREENREPLACE RS11 IN FRAME STAGE 220R14-09-04
AkaiCT2867 SP71LSt/by onlyC093 or another cap in parallelmarked R093 removing these 2 surface mounted capacitors and cleaning the glue under that had fixed them to the pcb cured the problem14-09-04
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
AkaiCT2870DeadD/J on on off switch or On off switch burnt14-09-04
AkaiCT2870Dist sound47µ cap next to sound IF chip in HF block14-09-04
AkaiCT2870Int crackling on soundIC3201 APU2470T faulty14-09-04
AkaiCT2870Sound noisy & poor when first sw onReplaced elects in tuner can14-09-04
AkaiCT2870NDead trippingLOPT14-09-04
AkaiCT2870NLow buzzing noisy soundC242 0.47µ 63v 14-09-04
AkaiCT2870UKWont tune to chans above 30D901 33v zener on aud o/p pcb14-09-04
AkaiP58SCInt Blank raster with flyback lines27Mhz crystal14-09-04
AkaiSN71B6 TV2851No pic - sound/EHT present - Field blankedRK53 3R fusible pin 3 LOPTx14-09-04

AkaiTV2851TNSt/by only - when sw on no leds lit RGB IC TEA5101B on crt base s/c14-09-04
AkaiTV2851TNUKRainbow effectNo -12v to FOP chip - CS03 leaky & RK53 overheating14-09-04
AkuraCX18Deado/c pri st/by tfmr14-09-04
Alba4859DeadQ801 2SK2750 s/c, R809 0R47 safety res o/c, check R802 100k, R805 330k, R826 100k14-09-04
Alba4859 11AK19No line drive at sw on (150v HT to LOPTr)Dis'd D814/815 (+14 & -14v audio o/p ic supply diodes). Replacing TDA2615 aud o/p chip resulted in bright white raster & flickering LED; R914 47R 200v feed to IC901 TDA6107Q on crt base o/c & IC s/c14-09-04
AlbaCT840DeadR302 6k8 high res14-09-04
AlbaCT840DeadR302 6k8 in psu o/c14-09-04
AlbaCTV3408DeadRP4 o/c in PSU 330K14-09-04
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