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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: 776
Matsui1410No colourIC601 AN5620X chip14-09-04
Matsui1410No line drive with buzzing - HT okQ401 line dr tr no volts on coll (35v) - o/c driver tfmr - repaired14-09-04

Matsui1410 ZX2000Dead F501 o/c.Check D501-504 , C505.14-09-04
Matsui1410R Philips CTNBBSt/by onlyCracks around LOPTx14-09-04
Matsui142No line lock.Fit 220pf in parallel with C407.14-09-04
Matsui142Partial frame collapse with bottom foldover or frame jumping.Replace D605.14-09-04
Matsui1420DeadChopper tr 2SC3156 s/c - used BUX48A, 3R9 5w dropper o/c, D508 s/c used RGP15M.14-09-04
Matsui1420Dead2A fuse blackened; Chopper tr s/c; 3R9 5w dropper o/c; dry joints chopper tfmr & replace C508 4µ714-09-04
Matsui1420DeadD508 R2M SC. IF FAULT REOCCURS CHECK OR REPLACE LINE DRIVE TX14-09-04
Matsui1420Dead - low HT (60v) - ok on bulb (120v)LOPTx s/c winding - HT correct at 103v after replacement14-09-04
Matsui1420Field crampC412 1µ 25v tant14-09-04
Matsui1420FIELD CRAMP AFTER WARM UPCHECK C412 1mfd , 25v14-09-04
Matsui1420Green screenR807 8k2 on crt base hi res14-09-04
Matsui1420POOR FIELD WHEN WARMC412 1uF 25v TANTALUM14-09-04
Matsui1420Sound lowR145 4k7 in series with vol contr hi res14-09-04
Matsui1420Startup - failure to start from cold.C508 ( 4.7u f , 50v )14-09-04
Matsui1420Startup - no startup.R503 ( 82k ) goes high or o/c , Q501 ( 2SC3158 )14-09-04
Matsui1420 1440PICTURE DARK ON LH SIDEC431 4u7 OC14-09-04
Matsui1420ADeadC508 4µ7 50v14-09-04
Matsui1420ADeadSTR50103 power reg s/c, D508 (or 506 in some sets) R2M/60C s/c, dropper 5R6 5w possibly o/c14-09-04
Matsui1420ADEAD WITH STR50103 , SR2M AND 5.6ohm FAULTYIF LINE STAGE IN DISTRESS AFTER REPLACING PROBABLY LOPT OR SCAN COILS14-09-04
Matsui1420ADead.C508 ( 4.7uf 50V )14-09-04

Matsui1420ADistorted soundR354 47k o/c14-09-04
Matsui1420AInt deadCheck for dry joints & C504 0µ047 o/c14-09-04
Matsui1420AInt field collapseCracks around LOPTx conns14-09-04
Matsui1420AINTERMITTENT FIELD SCANCHECK FOR CRACKS NEAR LOPTX NEAR R437 , D40914-09-04
Matsui1420ANo channel LEDs on or all channel LEDs on.IC101 ( LA7940 )14-09-04
Matsui1420ANo colourC608 0µ1 off pin 3 IC µPC1420 or chip faulty14-09-04
Matsui1420ANo colour.C608 ( 0.01uf ) off pin 3 IC uPC1420 , or the IC.14-09-04
Matsui1420ANo line driveQ401 2SC2271 line dr tr o/c & line dr tfrmr faulty14-09-04
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