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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
Matsui2092TDead - LOPTr 2SD1555 s/cCheck for dry joints line dr trfmr & if cct prot SOC2000 is o/c14-09-04
Matsui2092TDead - off with a bangPositor (black, square type 140M had blown)14-09-04

Matsui2092TInt line foldoverDry joint T401 line driver tfmr14-09-04
Matsui2092TSLOW START OR DEADR507 1M R506 820k14-09-04
Matsui2095DEAD BUT POWER SUPPLY OKC607 ( 3.3nF )14-09-04
Matsui2095TDead - psu working okNo line drive - C607 3n3 in osc leaky14-09-04
Matsui2095TDead F101 1A s/c & D104 1N4148 s/cReplacements went same way as orig - Chopper Tfmr has shorts between windings & is obsolete14-09-04
Matsui2095TDIST SOUNDRESEAT AUDIO IC14-09-04
Matsui2095TDIST SOUNDRESOLDER ALL PINS ON AUDIO IC14-09-04
Matsui2095TInt redsquirt of freezer on T901 MPSA42 R o/p tr restored pic - tr faulty14-09-04
Matsui2095TSound distorted & lowAudio chip not seated properly14-09-04
Matsui2096Dead with 6R8 R101 o/cChopper tfmr s/c between windings; replacement from Mastercare also check R108 220k & R109 330k 0.75w to pins 2 & 3 0f TDA460514-09-04
Matsui2096TChildlock on (comes on with "PASS" in 3 diff cols)connect sw between pins 4 & 17 of IC in hset. Select locked tv chan & press sw once. Pic will clear, press sw again, & PASS CLEAR will be displayed & childlock disabled.14-09-04
Matsui2096TDeadLine op tr Q850 BUH5150 s/c, dry joint C576 in fop14-09-04
Matsui2096TDeadR108 220k in psu o/c14-09-04
Matsui2096TNo start upR108 220k o/c also change R109 330k to prevent FET blow up14-09-04
Matsui2096TTo remove child lock (chans locked)connect sw between pins 4 & 17 of IC1 in r/c - select locked chan, press sw, wait for pic then press again. To perm remove lock press 'cancel', 'pass' & press new sw twice 14-09-04
Matsui209R St/by onlyIt is normal to come on in st/by - hset reqd to sw on14-09-04
Matsui209RCRACKLE ON SOUND EVEN AT MIN VOLIC10114-09-04
Matsui209RDARK PIC CANNOT ADJUST SCREEN VOLTSC507 SHORT14-09-04
Matsui209RDeadC608 OPEN14-09-04
Matsui209RDeadQ604 , 602 , R60114-09-04

Matsui209RdeadC613 4n7 1kv split open14-09-04
Matsui209RDead - PSU shut down in prot modeC613 4700pf 1kv s/c14-09-04
Matsui209RDEAD , NO HT FROM PSUC803 , C80414-09-04
Matsui209RDEAD NO START UPD601 LEAKY ALSO CHECK , R603 , 60414-09-04
Matsui209RDead or int deadCheck C607 47µ 25v for hi esr14-09-04
Matsui209RDead.Q602 ( 2SB774 ) s/c , Q604 ( 2SD1545 ) s/c , R601 ( 3.9R 5w ) o/c.14-09-04
Matsui209RDEAD-PSU OK ,D401 ( LINE DRIVE FEED ) OPEN14-09-04
Matsui209RField bounce & partial field collapseDry joints scan plug connector14-09-04
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