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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
JVCAV21TS2EKGreen line down rh side of picTB1227AN IC101 Jungle chip u/s14-09-04
JVCAV21TS2EKInt flashing across screenCRT faulty14-09-04

JVCAV24WT5EKS JK11Blank white raster at start up - reverts to st/by aft 5 secsThe +5v supply low - replace 5v reg IC954 BA05T - used L7805CP in lieu14-09-04
JVCAV24WTSEKSDull pic, poor contrastCheck if "ECO" mode has been set - press the I "Information button and Mute button at the same time to enter the service mode. Choosing 6 (Picture settings) from the VSM menu you can set up the contrast and brilliance settings etc in all the preset modes that this set offers (EI Warm, Cool, Normal etc)14-09-04
JVCAV25F1Field collapse & no soundDry joints regs IC521 & 52214-09-04
JVCAV25F1Int deadDry joint between lie dr base & video/chroma board14-09-04
JVCAV25F1 JXDeadQ001 SGSIF444 chopper tr s/c, IC001 TEA2261, CNX82A opto also replaced to prevent repeats14-09-04
JVCAV25F1EKBlank raster aft 45 minsField chip TDA3654 - s/castle pulse dist thus blanking pic with full invisible raster14-09-04
JVCAV25F1EKDead - LED blinks on once at sw onLoptx faulty14-09-04
JVCAV25F1EKGeometry of pic outIC561 TDA814514-09-04
JVCAV25F1EKInt shut downOpto coupler CNX92A & 2SC181514-09-04
JVCAV25F1EKInt sigs & other int functsDry joints IC52214-09-04
JVCAV25F1EKLack of width with foldoverCheck for dry joints in line stage14-09-04
JVCAV25F1EKNo soundCP591 15cp IC501 TDA3810 s/c On 'ASP' small sub panel LH Side .14-09-04
JVCAV25F1EKNo sound or fieldFR527 6R8 1w also TDA3654 causing top cramp14-09-04
JVCAV25F1EKNo Txt - when selected goes blank & returns to picIC004 PCF84C81P/064 on Txt pcb14-09-04
JVCAV25F1EKText faulty - keeps jumping to random pagessolder bridge across pins 1 & 2 of IC02 SAA5243 Txt proc chip14-09-04
JVCAV25F1EK JX ChassisDead - LOPTr Q502 BU508AFI s/cCaused by faulty LOPTx14-09-04
JVCAV25F1EK JXINT. RF , COULD BE MISTAKEN FOR TUNER Clue is NoIC522 DRY JOINTS14-09-04
JVCAV25F1EK JXPSU powers down aft a sec of sw onHT was excessive - Q031 2SC1815YG o/c14-09-04
JVCAV25F1EK JXSTARTS UP THEN SHUTS DOWNQ031 OC14-09-04
JVCAV25F1EKAInt blows lop trsCheck for dry joints driver IC etc14-09-04

JVCAV25FX11PIC PULSING-HT CONSTANTDJ - HAIRLINE CRACK ON C011 PSU PANEL14-09-04
JVCAV25GS1EKDead - no 146v supplyD2031 BY229-600 o/c14-09-04
JVCAV25GS1EKReverts to st/by aft I secremoving eeprom type cat35c104hp allows set to run - eeprom faulty14-09-04
JVCAV25GS1EK & AV25S1EK etcDead - HT starts to rise then decaysD521 BY228 in EW cct14-09-04
JVCAV25GS1EK MXSt/by onlyDis pins 5 & 6 of EEPROM to check - if set powers up then EEPROM may be faulty (IC704 pt no CAT35C104HP)14-09-04
JVCAV25S1EKAt sw on LED red then green, red then out - deadC468 (4u7F 50v) blown its top and R526 (39R 0.5w)burnt also D521 (BY228) s/c14-09-04
JVCAV25S1EKDead or int dead - front LED operates ok & HT/LT readings okCheck R903 & 904 2k2 & dry joints on st/by trs Q902 & 901 near them14-09-04
JVCAV25S1EKDIM PICC1206 LEAKY 3.3mfd14-09-04
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