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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: 711
SharpDV5103HDead with blackened mians fuseR700 surge lim res 8R2 o/c - caused by s/c chopper trfmr pri14-09-04
SharpDV5103HDead with HT presentQ509 BC635 & Q510 BC338 in field tb leaky - also check C236/C50214-09-04

SharpDV5103HDead with the 2A fuse and 8R2 , 7W surge limiterThe cause can be a short circuit in the chopper transformer , between the primary winding and earth.14-09-04
SharpDV5103HReverts to st/by at sw on113v HT high at 170v as CNX82A opto coupler faulty - also check R754 150k14-09-04
SharpDV5103HSt/by only - LED remains red113v HT = 185v; R753 & R781 39k o/c14-09-04
SharpDV5103H Euro DS1Slow start up with Q700 BF487 in start up cct overheatingC707 22µ 50v & C713 1µ 50v14-09-04
SharpDV5103H/DV5903 D3000Chrom info out of register with lumSmall plug in non volatile memory chip IC1411 on digital PCB14-09-04
SharpDV5105Dead , the chopper transistor Q702 was short-circuAfter replacing these items and the TDA1039 chopper control chip IC700 tbe set worked normally.14-09-04
SharpDV5105/5107DEAD. R705 BURNT UPREPLACE IC700 AND R70514-09-04
SharpDV5105HDead except LED rapidly fashes GreenHT high at 150v (110v) R715 0R33 1w had risen to 0R5 (pin 13 chopper tfmr)14-09-04
SharpDV5105HDead with green LED flashingR715 pin 13 chopper tfmr risen from 0R33 to 1R14-09-04
SharpDV5105HNO S/V BUT GREEN LED LITCHECK R751 0.33ohm 1W14-09-04
SharpDV5105HNo sound0R33 fusible o/c - RH spkr s/c & coupling cap int14-09-04
SharpDV5105HNo sound or vis - crt htrs lit - int reverts to st/byField coll noticed when A1 advanced - R612 2R2 safety feed to field chip o/c14-09-04
SharpDV5105HNo st/byChopper trfmr hi res on 5v winding14-09-04
SharpDV5105HREPLACING LOPT . ALTERNATIVE PART NOW SUPPLIED . PA HOLE WILL NEED TO BE DRILLED IN PCB TO MOUNT PIN 11 OF NEW TYPE LOPT ( THIS WILL THEN NEED SOLDERING TO SUOUNDING PRINT )14-09-04
SharpDV5105HReverts to st/by aft 1 secR612 o/c14-09-04
SharpDV5105HSt/by only - LEDs flash red/GreenR751 0R33 safety res in 7v supply o/c14-09-04
SharpDV5105HSt/by only with red/breen led flickeringMicro IC1004 reset chip osc; D1005 replace with link, R1053 replace with a 1k res14-09-04
SharpDV5107Blows MJF 1800 at switch onReplace C713 (10uf/50V) and IC700 (TEA1039)14-09-04
SharpDV5107Dead - blows chopper Tr at sw onChopper Trfmr shorted turns pins 2/714-09-04
SharpDV5107Will not start up : if on pic goes off & StationLink in position of D705 D/J may never have been soldered14-09-04

SharpDV5107HDeadQ702 MJF18006 s/c; 2A fuse o/c; CNX82A replaced as precaution14-09-04
SharpDV5107HDead - keeps blowing LOP trsLine drive int - replaced tbase/RGB daughter board - used board from DV5105 - physically larger but electrically works ok14-09-04
SharpDV5107HDead - LED flashes red/greenLOPTx14-09-04
SharpDV5107HNo start up - LEDs flashing red/greenHT high at 156v - LOPTfrmr & check 0R33 in psu & caps14-09-04
SharpDV5107HR612 FAILS FOR NO REASONCHANGE R633 TO 2.2ohm Sharp -XZ0204BMZZ ( R633 SAME AS R612 )14-09-04
SharpDV5107HReverts to st/by intC721/ C719 10µ 50v; C722 100µ 16v; C723 4µ7 50v cured it14-09-04
SharpDV5107H Deco 4Dead with 2A mains fuse blownS/C across chopper Tr was chopper trfmr s/c pins 2, & 6 but when replaced, fuse blew again due to chopper Tr MJF18006 going s/c - also worth replacing TEA1039 chopper chip IC70014-09-04
SharpDV5107H DV5132 DNO SYNC OR NO COL , NVM DATA COUPTADD 8.2v ZENER BETWEEN PINS 5 AND 8 OF IC1003 CATHODE - PIN 8 Sharp RH-EX0413BMZZ14-09-04
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