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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

MakeModelProblemSolutionAddedDate
 
Found: 917
SonyBE1Dead HT 110v present at test pointNo B+ volts at loptr - PS01 N15 600mA cct prot o/cplamensl14-09-2004
SonyBE1DEAD NO HT BU506 SCCHECK R606 68R OR REPLACEMENTSplamensl14-09-2004
SonyBE1DEAD ONLY 25v ON D604 ( 119v IS COECT )C608 680pF LEAKY CONNECTS ACROSS D604plamensl14-09-2004
SonyBE1Dead.BU506 , D611 , R606 ( 68R )plamensl14-09-2004
SonyBE1E/W & Width problemsC808 47nf 250vplamensl14-09-2004
SonyBE1Field collapseCheck R801 ( 0.47R ) & PS501 if both o/c IC501 ( uPC1488 ) u/s if ok check for D/J around icplamensl14-09-2004
SonyBE1Field collapseIC501 µPC1488H faulty - supply from LOPTx high - dry joint on loptx esp pin 11 (chassis)plamensl14-09-2004
SonyBE1Field collapseReplace fop chip with a µPC1488H (orig LA7830) & check cct protplamensl14-09-2004
SonyBE1Hooking at top of pic with buzzing from lop stageline dr pulse at pin 8 of TDA2579A IC551 affected when fault present - chip faultyplamensl14-09-2004
SonyBE1Int goes to lines / loss of soundDry joints T01 & T02 in IF canplamensl14-09-2004
SonyBE1Int loss of syncNo vid from txt pcb to sync sep pin 5 IC551. 12v supply on txt pcb only 5v due to Q02 o/p (sm) 2SC2873-Y faultyplamensl14-09-2004
SonyBE1Iont sound & vis - goes black with linesDry joints in VIF canplamensl14-09-2004
SonyBE1Lack of width & E/W distL804 2.7mH o/c - couples E/W drive to diode modplamensl14-09-2004
SonyBE1LINES OF RED , BLUE , GREEN AT TOP OF SCREENIC501 ( FIELD OUTPUT DRY ) u/s R801 ( 1K )plamensl14-09-2004
SonyBE1LOW WIDTHL804 O.C.plamensl14-09-2004
SonyBE1No sync - sometimes intermittentrepair print to collector of Q02 on txt pcbplamensl14-09-2004
SonyBE1No sync when coldIC02 SAA5231-V6 vid proc chip faultyplamensl14-09-2004
SonyBE1pic washed out & flaringR852 overheating (1K0) & D852 leakyplamensl14-09-2004
SonyBE1Picture blanks out leaving OSD or pic breaks upDJ on T01 in if canplamensl14-09-2004
SonyBE1Replacing STR54041Use Sankey version - has "SK" in small circle at bottomplamensl14-09-2004
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