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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: 21
DaewooCP310St/by only - relay clicks at sw onReplace HT pot VR801 4k7, D807 BYV95C, Q801 2SD1555 & I801 chopper chip TDA4601 & check for dry joints14-09-04
DaewooDMQ2159 CP315Excess brill with fb lines at sw on - ok when heatedC426 3µ3 250v in 190v supply14-09-04

DaewooDVT1482P CP310Sound absent in TV mode - ok in pbackCheck RHS edge connector for dry joints/damaged print on video unit14-09-04
GoodmansTVC14VP Daewoo CP310Dead with mains fuse o/cChopper tr, TDA4601 & C811 100µ14-09-04
ITTCP3106 Pico SFrame - reduced.If IC401 pin 9 down to 19v suspect LOPTX.14-09-04
ITTCP3128 CORE 2SET GOES INTO STBY BUT WON'T COME OUTCHECK D702 11v ZENER , R655 2k7 , R701 THERMISTOR14-09-04
OsakiP31HDead - 120v HT low at 70vR109 180R hi res14-09-04
OsakiP31HDEAD HT LOW AT 70vR109 HIGH 180R ON PIN 2 STR541214-09-04
Sanyo80P-B14 CTP3131Dead - chopper BUT11A Q304 s/cR313 2R7 o/c - R302 390k o/c was the cause14-09-04
SanyoCTP 3131BLANK RASTER WITH FLYBACK LINESCHECK R464 ( 100ohms ) 85v SUPPLY TO RGB O.P.14-09-04
SanyoCTP 3131SEVERE RASTER DISTORTION , FAST ROLLINGMAINS SMOOTHING O.C. 100mfd 400v14-09-04
SanyoCTP3101No lumQ342 in blanking cct 14-09-04
SanyoCTP3101No luminance.Q342 checks ok out of cct.14-09-04
SanyoCTP3101No results.Q432 ( BC107 )14-09-04
SanyoCTP3105 79PSync - no sync.R403 ( 1k ) o/c , if not replace IC401 ( LA1460 )14-09-04
SanyoCTP3106 80PDead - 2A fuse blown.Check C1001 ( 100u f ) , D301 , C308 ( 100u f )14-09-04
SanyoCTP3106 80PDead - 800Ma fuse blown.Check Q304 , C315 , ( 1500pf ) , Q301/2/3 , D305/7.14-09-04
SanyoCTP3106 80PDead.No 300v at C308 , check L1001 , SW1001 , R301 , L302.14-09-04
SanyoCTP3106 80PNo colour.C202 , C204.14-09-04
SanyoCTP3131BLANK RASTER WITH FLYBACK LINESCHECK R464 ( 100ohms ) 85v SUPPLY TO RGB O.P.14-09-04
SanyoCTP3131SEVERE RASTER DISTORTION , FAST ROLLINGMAINS SMOOTHING O.C. 100mfd 400v14-09-04
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