sharp Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
SharpDV51083
DeadC710 1000µ 25v, C734 100µ 25v hi esr
SharpDV5107H DV5132 D
NO SYNC OR NO COL , NVM DATA COUPTADD 8.2v ZENER BETWEEN PINS 5 AND 8 OF IC1003 CATHODE - PIN 8 Sharp RH-EX0413BMZZ
SharpDV5107H Deco 4
Dead 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 IC700
SharpDV5107H
Reverts to st/by intC721/ C719 10µ 50v; C722 100µ 16v; C723 4µ7 50v cured it
SharpDV5107H
R612 FAILS FOR NO REASONCHANGE R633 TO 2.2ohm Sharp -XZ0204BMZZ ( R633 SAME AS R612 )
SharpDV5107H
No start up - LEDs flashing red/greenHT high at 156v - LOPTfrmr & check 0R33 in psu & caps
SharpDV5107H
Dead - LED flashes red/greenLOPTx
SharpDV5107H
Dead - keeps blowing LOP trsLine drive int - replaced tbase/RGB daughter board - used board from DV5105 - physically larger but electrically works ok
SharpDV5107H
DeadQ702 MJF18006 s/c; 2A fuse o/c; CNX82A replaced as precaution
SharpDV5107
Will not start up : if on pic goes off & StationLink in position of D705 D/J may never have been soldered
SharpDV5107
Dead - blows chopper Tr at sw onChopper Trfmr shorted turns pins 2/7
SharpDV5107
Blows MJF 1800 at switch onReplace C713 (10uf/50V) and IC700 (TEA1039)
SharpDV5105H
St/by only with red/breen led flickeringMicro IC1004 reset chip osc; D1005 replace with link, R1053 replace with a 1k res
SharpDV5105H
St/by only - LEDs flash red/GreenR751 0R33 safety res in 7v supply o/c
SharpDV5105H
Reverts to st/by aft 1 secR612 o/c
SharpDV5105H
REPLACING 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 )
SharpDV5105H
No st/byChopper trfmr hi res on 5v winding
SharpDV5105H
No sound or vis - crt htrs lit - int reverts to st/byField coll noticed when A1 advanced - R612 2R2 safety feed to field chip o/c
SharpDV5105H
No sound0R33 fusible o/c - RH spkr s/c & coupling cap int
SharpDV5105H
NO S/V BUT GREEN LED LITCHECK R751 0.33ohm 1W