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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: 2867
AkaiCT2567St/by onlytiming constant capacitor for the standby IC is leaky. The IC is mounted on a heatsink in the middle of the board. C093 is a pair of surface mount capacitors [in parallel] connected between pins 2 and 4 of the IC. Remove these capacitors and replace them with a 220nf.14-09-04
AkaiCT2862UNTDead - PSU components burntSTRS6309, C925 150uF 200V blown, R920 39k, R904 47R, R914 47R, R915 82k, R916 120R all burnt, Q902 2SA1015 s/c -also replace IC902 TLP721 & IC903 SE140N to be safe sus caused by arcing on/off mains switch14-09-04

AkaiCT2862UNTField collapseD406 BA157 s/c, R422 0R68 o/c, TA8427K FOP chip IC401 & C401 100µ 35v o/c14-09-04
AkaiCT2867Black vert line down rh side of picCK53 120nf in blanking cct14-09-04
AkaiCT2867Thick lines across entire screenRS11 in vert scan 0µ47 tant14-09-04
AKAICT2867THICK LINES ACROSS SCREENREPLACE RS11 IN FRAME STAGE 220R14-09-04
AkaiCT2867 SP71LSt/by onlyC093 or another cap in parallelmarked R093 removing these 2 surface mounted capacitors and cleaning the glue under that had fixed them to the pcb cured the problem14-09-04
AkaiCT2867UNTDead with chopper V025 & LOPTr VK50 s/ccheck C025/026/027/028 in the psu primary, CK57 and RK56 & CK51 - VO25 (S2000N) and VK50 (BUF450) replaced - no other fault found!14-09-04
AkaiSN71B6Blank raster at sw on sound ok - pic slowly comesCRT low emission - reactivated14-09-04
AkaiSN71B6No raster, sound ok - if A1 advanced strange rainbow effectReplace TDA8172 IC NS10 low volts pin 2 & RK53 3R314-09-04
AkaiSN71B6 TV2851No pic - sound/EHT present - Field blankedRK53 3R fusible pin 3 LOPTx14-09-04
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
AlbaCTV4856Height varies & tuning comes up in wrong posn33v supply low at 18v - C504 0µ1 near front pcb14-09-04
AlbaCTV600Int shut downcrack in print near chassis fixing screw (emitter chopper tr to R914 near Q904 heatsink)14-09-04
AlbaCTV600SHUTS DOWN INTCRACK IN PCB BY MOUNTING SCREW NEAR Q904 HEATSINK14-09-04
AlbaCTV6682Blank rasterTDA8362A in prot mode - C707 in field fback volts supply14-09-04
AlbaCTV6682Field coll & no soundNo volts at ramp gen pin 43 TDA8362A; R818 22k o/c14-09-04
AlbaCTV6682Field collapseR181 22k in 33v supply gone hi14-09-04
AlbaCTV6682Int then deadchopper tfmr dry joints14-09-04
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