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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
Matsui2190FLAT OUT BRIGHTNESSCHECK SUPPLY TO RGB STAGES R613 etc14-09-04
Matsui2190Fluctuating HTC808 1µ 63v14-09-04

Matsui2190FLUCTUATING POWER SUPPLYC808 1uF , 63V14-09-04
Matsui2190Frame collapse.IC401 ( TDA8175 ) , IC1401 ( DPU2543 )14-09-04
Matsui2190Hiss from speaker - OSG "Mono-stereo - bil A"IC APU2470T ( Pt No.IC1301/013240252 )14-09-04
Matsui2190int sounddry joints if panel connections to main pcb14-09-04
Matsui2190Int start up from coldDry joints wire link after D807 cathode & L80514-09-04
Matsui2190Lack of height.24v rail low at 18v TR803 ( BD139/16 )14-09-04
Matsui2190Mod to allow set to come straight onFit 1N4148 in posn DISU on front of PCB14-09-04
Matsui2190MOD TO ALLOW YOU TO SW ON WHEN MAINS SW PRESSEDFIT DIODE IN POSITION D1511 IN414814-09-04
Matsui2190No cold startC803 o/c14-09-04
Matsui2190No soundR312 330R overheating & TDA2030 audio o/p chip u/s14-09-04
Matsui2190NO SOUNDR312 ( 330R ) or TDA2030 AUDIO IC'S14-09-04
Matsui2190Stuck in standby.R613 4.7R ( marked 813 on some sets ) behind LOPTX.14-09-04
Matsui2190THE ON BUTTON HAS TO BE PRESSED IN FOR SOME TIME BC801 , C803 , C807 , C808 ALL 100uF 63v14-09-04
Matsui2190To allow sw on from on/off sw instead of hsetFit 1N4148 or similar in posn D151114-09-04
Matsui2190TrippingCHECK 5V AND 12V , IF LOW CHECK THE TWO 2 , 200uF CAPS14-09-04
Matsui2190TRIPS , THEN MOTORBOATS IF REM BUTTON HELD DOWNCHECK BOTH 2200mfd CAPS IN 8.5v SUPPLY14-09-04
Matsui2190Trips at start up unless you persevere with holding down hset keysSt/by 5v low at 4v etc; 2 x 2200µ elects low cap14-09-04
Matsui2190TRIPS IF REMOTE HELD DOWN SET EVENTUALLY COMES ONTWO 2200uF IN 8.5v AND 5v LINES14-09-04
Matsui2190Tlow/dist sound - phone skt o/p okR312 &R31314-09-04
Matsui2190TNo vid in p in p boxdry joints vid i/p cable between pip pcb and main pcb14-09-04

Matsui2196NDeadSMPS transformer available from Mastercare Pt no 6226.0414-09-04
Matsui2196NNo R/C functsXtal in handset dry jointed14-09-04
Matsui2199Dead after LOPTx replacementCP401 in HT feed to LOPTx14-09-04
Matsui2199NInt tuningMICRON - micro? Faulty - from Mastercare14-09-04
Matsui2199NNo st/by - lop stages runs in st/byQ503 2SC4160 leaky14-09-04
Matsui2199NSt/by LED flashes & Motorboating sound at sw/onC541 22µ 50v 11v supply smoother u/s14-09-04
Matsui2199NTrippingLOPTx Philips Part No 3221008 SEME HR7754 (but check label on Tx - more than 1 type)14-09-04
Matsui2199NWould not sw to st/byQ503 2SC4160 next to the chopper TX was dead short - fitted BD243C in lieu14-09-04
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