datasheet,schematic,electronic components, service manual,repairs,tv,monitor,service menu,pcb design
Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....


registersend pass
Bulgarian - schematics repairs service manuals SearchBrowseUploadWanted

DatasheetsChassis2modelRepair tipsFulltext searchCables & Connectors
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
JVCC140SET SWITCHES OFF , CHANGES CHANNEL , ADJUSTS volume.CRYSTAL ON SUB PANEL DRY14-09-04
JVCC140EKInt startup.R905 180k gone high.14-09-04

JVCC140EKNo chan store - No clock pulses pin 10 IC001Come from pin 31 IC002 but lost along way - fitted wire link14-09-04
JVCC140EKYDead - st/by onlyDry joints emitter of Q924 in psu14-09-04
JVCC140EKYDead - st/by onlyHT at D921 but does not get past Q923 (HT reg) No power control from micro, Dry joints on Xtal X001 on micro sub panel14-09-04
JVCC140EKYInt start upsm cap top left of thick film unit faulty14-09-04
JVCC140EKYInt start up, no chan change & spurious graphicsC015 22µ 6.3v sm in micro reset cct o/c14-09-04
JVCC140EKYNo prog storecheck -ve supply to EEPROM - usually crack in pcb near LOPTx14-09-04
JVCC140EKYSt/by onlyThick fim unit suspect (?40)14-09-04
JVCC140EKYTuner driftReplace 2 x sm caps by thick film unit14-09-04
JVCC141EKInt bright pic with lack of height/widthHT varying due to int HT pot VR901 1k (HT = 112.5v)14-09-04
JVCC1480Tuning driftC016 0µ47 sm in thick film module14-09-04
JVCC1480EKdeadmains at CON3 but not at LF901 choke. Cracked print by chassis support14-09-04
JVCC1480EKSt/by only - No HT at LOPNo 5v o/p pin 15 of Stn select module tho' 5v I/p at pin28 & -30v I/p at 34 - module faulty (Pt no SBX-M903A(E) ?44.82 + VAT WVE14-09-04
JVCC1480EKtuner drift or failure to store chansstation select module SBX-M903A - check sm caps14-09-04
JVCC14A1EKBright raster with fb linesFR557 47R 1/2w o/c14-09-04
JVCC14A1EKInt start upDry joint on eyelet which feeds through double sided pcb to R 584 (HT feed to line drive TX).14-09-04
JVCC14A1EKNo st/by but sound mutedreplace Q903 (2SA1370), although it tested alright also check R919 & Q90214-09-04
JVCC14A1EKNOT SWITCHING TO STANDBYQ903 ( 2SA1370 ) ALSO CHECK Q902 , 90414-09-04
JVCC14A1EKPic just dims in st/byQ1901 dry joints or s/c14-09-04
JVCC14A1EKSound disappears soon aft sw onC002 0µ22 50v & resold around jungle chip14-09-04
JVCC14A1EKSt/by onlyQ903 2SA1370 st/by sw tr o/c14-09-04

JVCC14A1EKSTUCK IN STANDBYD581 OPEN14-09-04
JVCC14A1EKWONT GO TO SBY , JUST DIMS PICTUREQ1901 s.c.14-09-04
JVCC14E1Self destructs every few daysC910 0µ1 in chopper sw on pulse shaping14-09-04
JVCC14E1EKBright picZD30114-09-04
JVCC14E1EKDeadC907 small disc cap 0µ1? burnt & R901 4R7 5w o/c14-09-04
JVCC14E1EKDead - st/by onlyZD402 s/c; replace the following:- ZD402, R423, C909, ZD902, C911, ZD901, D408 to prevent HT rising & blowing parts again14-09-04
JVCC14E1EKDist soundC143 10µ o/c in dc vol contr feed to pin 14 IC10114-09-04
JVCC14E1EKFAINT HORIZONTAL LINE AT BOTTOM OF SCREENREPLACE R434 0.047 OHM14-09-04
page: 1 2 3 4 5 6 7 8 9 10 11 12
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : ONKYO TA-2600

script execution: 0.01 s