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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: 438
SamsungCI3312ZArcs then goes dead . R412 overheats , KA2131 sc .Remove frame IC and check HT , if high ( should be approx 110v/120v ) R807 11k high in Psu14-09-2004
SamsungCI3312ZColour int lostX501 8.8Mhx Xtal - to set up short pins 1 & 6, 21 & 22 of IC501 & adj CV01 for floating pic14-09-2004
SamsungCI3312ZDeadCheck for dry joints R823 in 12v reg feed & R411 across pri line driver trfmr14-09-2004
SamsungCI3312ZDeadR801 5R6 o/c, Q801 BU508A s/c, C816 split & check C811, 808, 817, 813 & check for dry joint on P80214-09-2004
SamsungCI3312ZHigh HT blows resistors in LOP stageR807 11k had increased to give 157v HT instead of 125v at D82114-09-2004
SamsungCI3312ZLack of heightR302 470k hi res14-09-2004
SamsungCI3312ZNEEDS DEGAUSSING REPEATEDLYREMOVE PLUG + SOCKET ON COILS14-09-2004
SamsungCI3312ZNo search tune - tuning volts stuck at 29.5vDry joint RQ0114-09-2004
SamsungCI3312ZNo search tuning - tuning rail stuck at 30vRQ01 dry14-09-2004
SamsungCI3312ZNo signalsNo 33v at collector of RQ04 - RR05 10k ?w o/c14-09-2004
SamsungCI3312ZNo soundR709 27k which feeds ident signal to pin 29 of micro RIC01 o/c14-09-2004
SamsungCI3312ZNo sound except thro' SCARTIC601 CD4066BCN sw chip faulty14-09-2004
SamsungCI3312ZOversized picture - set arcing over.125v at D821 high R807 ( 11k ) gone high.14-09-2004
SamsungCI3312ZSt/by onlyNo SCL SDA at pins 39 & 40 of micro RIC01. RX01 10Mhz Xtal faulty14-09-2004
SamsungCI3312ZVol at max though osd changesR615 8k2 in DC vol cont network14-09-2004
SamsungCI3312Z P58SCDead with mains fuse or R601 5R6 7.5w o/cCheck C816 for s/c or leaky (2n2 2kv)14-09-2004
SamsungCI3351 P68Int dead when hotC808 ( 330pF )14-09-2004
SamsungCI3351ADark picC907 1nF 2kv decoupling cap on crt base leaky14-09-2004
SamsungCI3351ADead - no start up volts pin 4 IC801Chip faulty SDH209B14-09-2004
SamsungCI3351AInt dead when heated with no st/by ledC808 330pF 2kv disc cap in snubber network - checked ok out of cct14-09-2004
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