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
JVCC201EKDead with squeal from psuReplace Q551 2SD1427 s/c LOPTx, Q923 2SD1274 s/c, D929 15volt Zener s/c, IC 901 STR54041 & R919 390K & R905 330K slightly hi res14-09-04
JVCC201EKSt/by onlyReplace SBX-M904A Station Select Module ?39.78 + VAT from WVE & C913, C914 and C917 in PSU14-09-04

JVCC210EKNo soundCrack in print by audio/IF sub panel14-09-04
JVCC210EKYDeadSTR54041 chopper chip or C913/91714-09-04
JVCC210EKYInt luminanceHairline crack in print pin 18 IC201 col decoder chip14-09-04
JVCC210EKYPoor FocusLOPTx replaced14-09-04
JVCC210EKY C210EKYFocus - out of focusIf focus control adj A1's LOPTX faulty.14-09-04
JVCC210KMINT. SWITCHES TO STANDBYD507 , D508 , Q508 , Q50914-09-04
JVCC2155EMSlow start upC13 & 33 220µ in st/by cct low cap14-09-04
JVCC21ET1EKContrast poorR318 100k hi res14-09-04
JVCC21M3EKBottom cramp, no col, pulling, warbling soundLow 12v supply (9v) on D405 - R421 0R68 hi res14-09-04
JVCC21M3EKDeadC910 0.1µ14-09-04
JVCC21M3EKLine freq off & lack of field bottom scanR421 0R68 risen to 5R14-09-04
JVCC21M3EKNo R/C operationX601 xtal wrong freq fitted - should be 4Mhz not 17Mhz14-09-04
JVCC21M3EKNo sigs or R/CZD603 5v6 zener faulty causing 5v to micro low at 4.4v14-09-04
JVCC21M3EKNo start up - maybe int.C901 ( 0.1uf ) in startup cct14-09-04
JVCC21M3EKNo visionCMOS switch IC202 4066B - comp video disappeared through it14-09-04
JVCC21M3EKPower supply not starting up , may be intermittant.Replace C910 0.1uF14-09-04
JVCC21M3EKSt/by onlyHT present 110v. Replaced C909, C911 47µ 50v 105deg, ZD401 12v zener s/c, R419 1R0 2w o/c14-09-04
JVCC21M3EK OnwaField collapse, no sound after replacing C909/911 R419 & 12v ZenerR421 0R68 ?w fusible o/c; D406 s/c - used BY22814-09-04
JVCC21M3EK OnwaNo soundIC601 micro has no PWM o/p on vol cont pin - chip faulty14-09-04
JVCC21TX1EKNO SYNCX002 6Mhz XTAL US ON TEXT PCB14-09-04

JVCC21TX1EKNo syncSync signal goes thro Txt panel - X002 6Mhz Xtal was faulty with no osc14-09-04
JVCCJT21EKDead - no start up volts pin 4 IC921Has lowish res both ways between pin 4 & chassis of STRF6653 - chip faulty14-09-04
JVCCJT21EKSound dist aft 15 minsIC651 AN526514-09-04
JVCCS2180EKTuning driftStation select module SBX-M904A(E)14-09-04
JVCCS2181EKLow gain esp at higher end of bandAGC pot replaced14-09-04
JVCCS2181EKTAll stations reverted to chan 21 & tunes but no chan storeCheck sm elects in station select module for leakage14-09-04
JVCCS2181EKTNo signalsNo o/p from Prescaler chip M54477L in tuner - chip unavailable so replacement tuner reqd at ?40 +14-09-04
JVCCS2181EKTNo signals - Ok via scart socket.IC M54477L in tuner ( NLA ) req new tuner.14-09-04
page: 1 2 3 4 5 6 7 8 9 10 11 12
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : LG mc019a

script execution: 0.01 s