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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: 355
JVCCS2181EKTOff tune at sw on gradually tunes inCO16 10µ 16v sm in s.select module14-09-04
JVCCS2181EKTTuning int lost on chan changeReplace C958, C959, C16, C17 & check for dry joints14-09-04

JVCCS2181EKT BYXComes on in AV mode - when TV selected all chans tuned to same stationThe -30v supply to memory chip on tuning panel falls below -26v. Replace some/all of following: Q956 2SA1015, C959 3µ3 50v, C958 33µ 35v, C016 10µ 16v, C017 10µ 50v sm.14-09-04
JVCCS2190EK BXIIReverts to st/by aft 20 mins - 115v HT disappearsCP901 N55 cct prot hi res14-09-04
JVCCS2191EKTPoor pic like duff crt - lum signal crushedD804 1SS133 leaky in osd insertion cct 1N4148 works in lieu14-09-04
JVCCT14ETE1K OnwaPSU blownReplace - R 915 39R 7WATT; R914 0.33R 2WATT; R902 2.2 3WATT; R901 4R7 5WATT; R911 12R 1WATT; R912 27R 2WATT; R913 22OK 1WATT; Q903 2SC1815; Q901 2SC1815; Q902 2SB744; Q904 2SD1545 OR 2SD2498; ZD901 8V2; ZD902 9V1; D901,902,903 all BA 157's; C902 .0022MFD 2KV ? (originally .0022MFD but updated to .0039MFD)This cap was blackened & seems to have been the route cause of the blown up.14-09-04
JVCCTV14EKInt poor pic/ int Txt18.8Mhz Xtal dry joints or faulty; IC381 STV5347 proc (Under can on rh side of pcb)14-09-04
JVCCV14EKBChan up/down not working - ok using no'sOK after auto tuning14-09-04
JVCCV14EKBWeak, snowy picReplace 4-legged SMD tr BF998W (marked MRs) in tuner can use BF998 in lieu but fit other way round14-09-04
JVCCV14EKSInt flashes red - worse when heatedIC401 Vid proc - Pt no JVC 03320211631A14-09-04
JVCCV14EKSInt no pic on RF - OK on scartL204 o/c pt no JVC 10515010102V14-09-04
JVCCV14EKS OnwaDead - HT present at coll of chopper trR919 10k additional res in series with base cct of Chopper o/c14-09-04
JVCCV14EKWCol ok top half - greenish mono pic bottom halfIC402 STV2180A chroma delay line chip Pt no 033-E02180-3114-09-04
JVCCVT21EKResorts to st/by at sw onR808 0.68R safety res risen in value (in X ray cct) By pass relay to check symptoms14-09-04
JVCCX60GBAC adaptor no o/pQ01 2SC2688 o/c14-09-04
JVCCY21EKInt goes to st/byDry joint X401 resonator by IC401 caused int line drive14-09-04
JVCJAField scan missing from topIC401 (fop chip) pin 4 = 14.5v, pin 8 = 42v but was low because FR553 5R6 ?w o/c. eplaced along with TDA8350Q fop chip14-09-04
JVCJXBlank raster when A1 advanced - sound okTDA4580 RGB vid controller chip14-09-04
JVCMX2Field int collapsesD441 RD3.0ES(B2) goes leaky when warm - to pin 13 TA8859P IC46114-09-04
JVCMX2Flyback lines at bottom of screenIncrease value of C442 from 150pf to 470pf14-09-04
JVCOnwaSound int & paired lines at bottomR434 0R68 ?w hi res14-09-04
JVCOnwaSt/by onlyNo line feed - 6k8 2w resistor in middle of pcb discoloured & o/c14-09-04

JVCS2180MField collapseCheck UPC1488H FOP chip & supply to it - if missing, check cp IC 10NR for o/c14-09-04
JVCSX2, TS2Crackle on NICAMReplace SAWF with pt no CE42606-T0114-09-04
JVCXV-N312SI have a JVC DVD Player model XV-N312S and is stucked in Standby mode (Red LED On). Is Imposible to turn it on from the front panel nor from the remote, all the power supply voltages are Ok. You must meter output lines of power supply unit and check that their values being true (as standby voltages ) and check the rear of board for any cold solder and crack of board or solder22-08-05
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