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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: 66
AkuraCX24Txt lines across screenC310 4µ7 250v in fop stage14-09-04
AkuraCX240Snowy pic with 2" of field scanR842 39k 1w in LOP stage14-09-04

AkuraCX25DeadStart up res R804/805 15k (or 18k) 2w14-09-04
AkuraCX25Dead with low ticking noise.Q401 ( 2SD1555 ) check for drys on R403 , R407 , R804 & R805.14-09-04
AkuraCX25Int blank white raster except for 4 bars on RHS.Resolder IC705 on print side of upright PCB.14-09-04
AkuraCX25No colchanging the data at addresses 1A and 1B: 1A FF ; 1B 3F cured14-09-04
AkuraCX25No line drive - standby only.Q402 ( line drive ) s/c ( c-e )14-09-04
AkuraCX25OSD has "purity error" effectcured by resoldering digital video sub board14-09-04
AkuraCX25Purity error type fault, mono okVCO locked to wrong freq setting =249(done via service mode) 14-09-04
AkuraCX25Set trips off when warm.2x15k start up resisters low in value 1w non-flammable type.14-09-04
AkuraCX25To enter service modePress S901 at front of pcb and 'display' on hset together. Use 8 & 9 on hset to cycle thro adjusts. Vol+/- to set each one Store each setting with 'P' b4 moving to next14-09-04
AkuraCX25 etcInt no pic, one col etcDry joints on earth links on component side of pcb - remove ics to repair14-09-04
AkuraCX25/26Int field colldry joints fop chip & hi watt standoff res near scan coil plug14-09-04
AkuraCX25/26Various inc field, brightness, sound & int dead also rf patteeprom chip (can be reprog - need serv man & r/c) - note orig settings b4 adj (see TV mag)14-09-04
AkuraCX26Dead no sec volts from PSUC812 1µ 50v, C815 220µ 35v, C821 22µ 63v14-09-04
AkuraCX26Field foldover at topC303 100pF14-09-04
AkuraCX26Int dead/blank raster/txt etcdry joints on dig sigs pcb links esp link J746 under IC70314-09-04
AkuraCX26INT FAULTS VARIOUS !!DRYS ON DIGITAL PCB J746 LINK UNDER IC703 REMOVES LINE DRIVE14-09-04
AkuraCX26Int sw off with line foldover as it goes offDry joints line scan coil plug14-09-04
AkuraCX26NICAM OK FM USIC002 EEPROM US ( SET WILL NEED REPROGRAMMING WITH DEFAULT SETTINGS )14-09-04
AkuraCX26No fm sound with video pbackfm sound ok at IC101 pin 5 if chip - enters nicam pcb but does not reappear, IC002 eeprom chip faulty14-09-04
AkuraCX26Sound absentEEPROM14-09-04

AkuraCX26St/by onlyHT correct (116v) 5v supply low at 1.4v. C841 470µ 16v14-09-04
AkuraCX26Wont go into st/byR804/805 15k go low res14-09-04
AkuraCX30Field collapseNo supply to FOP Trs as R422 10R ?w o/c & D420 BA133 leaky14-09-04
AkuraCX30Field collapseC311 220mfd 35v scan coupling cap o/c14-09-04
AkuraCX30Field collapseC311 220µ 50v o/c14-09-04
AkuraCX30No sound/pic - eht present (field coll)No 12v supply R418 3R3 o/c14-09-04
AkuraCX33No start upR811 560k o/c - beware of charged mains cap!14-09-04
AkuraCX33St/by onlyD833 s/c in 22v supply14-09-04
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