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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: 112
NikkaiMG002RDead.R801 ( 1.5R 5W ) o/c by on/off switch.14-09-04
NikkaiNT1416Dead with whining from psuC444 370pF 2kv in lop stage s/c14-09-04

NikkaiNT20DeadC505 10µ low esr; D508 dry joints, R811 10R o/c14-09-04
NikkaiNT20Int deadInt no volts at coll chopper tr due to wire connection on chopper tfmr never being soldered14-09-04
NikkaiNT20No signals or OSDNo 5v to micro pin 52 - R830 220R on psu sub panel o/c14-09-04
NikkaiNT20No sound or pic with whiningR448 fusible 4R3 o/c (no 12v)14-09-04
NikkaiNT20NO TUNING OR SEARCHR830 220R OC + CHECK FOR DRYS14-09-04
NikkaiNT20Top field crampC313 2µ2 200v14-09-04
NikkaiNT20Top field foldover or crampC313 2µ2 200v14-09-04
NikkaiTara 10Dead, the 11v supply presentDry joints line dr trfmr EM103 (invisible to naked eye)14-09-04
NikkaiTara 10int field collapsedry joints field chip14-09-04
NikkaiTara 10int pic D103 dry joints14-09-04
NikkaiTara 10No start upCheck dry joints on L110 & L111 in LOP stage14-09-04
NikkaiTara 10St/by onlyDry joint L11114-09-04
NikkaiTARA 10WONT STARTCHECK FOR DRIES AT L110 AND LINE DRIVER IF LINE STAGE FAULTY , WILL OFTEN SHUT DOWN POWER SUPPLY14-09-04
NikkaiTLG0101No frame.R313 ( 8.2ohm ) o/c , Q310 , Q301 ( 2SA940/2SC2073 ) .14-09-04
NikkaiTLG100T"O" symbols with tails fill screen on Txt & bar for analogue settings flashesSAA5243P/E chip faulty (?25)14-09-04
NikkaiTLG100TInt deadDry joints on C174 (line feed) from line osc to driver14-09-04
NikkaiTLG100TTxt flashing & no OSDIC303 SAA5243P/E on Txt pcb 14-09-04
NikkaiTLG1409Dead, squealing & heated smellC617 4700pF 1kv split & leaky14-09-04
NikkaiTLG1409Dead. A squealing noise came from the chopper poweC617 ( 4 , 700pF , IkV ) which had split open and was very hot. ( connected across the IO9V HT rectifier diode D116 , in series with14-09-04
NikkaiTLG1409Field collapseR306 10R safety res o/c14-09-04

NikkaiTLG1432St/by onlyNo line drive - o/c L404 choke in base of 2SD1546 line o/p from sec of line driver transformer.14-09-04
NikkaiTLG1433Long time to come on - relay not energisingC916 220µ 35v in 18v supply leaky14-09-04
NikkaiTLG1433No rasterZD401 12v; R414 8R2 2w: C909 47µ14-09-04
NikkaiTLG1433No soundR650 22k hi res14-09-04
NikkaiTLG1433Onwa chassisSee ONWA faults14-09-04
NikkaiTLG1433Pic too largeC909 47µ 25v14-09-04
NikkaiTLG1433Very slow start up and Ht too highC909 47uF 25v should reduce Ht , C916 220uF 35v should speed up switch on14-09-04
NikkaiTLG1433 TLG1433Frame collapse.ZD401 ( 12v zener ) s/c , R414 ( 8.2ohm 2w ) high , HT high due to C909 ( 47uf25v ) in PSU.14-09-04
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