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: 14
De Graaf / GranadaD51KS4DSt/by onlySeveral elects replaced & opto D315 CNY75 faulty - used CNX82A in lieu14-09-04
GranadaC51KS6No sound, pic shifted to left with vert bandsVP411 50k "H centre" pot near LOPTx o/c14-09-04
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
JVCAV28WFT1EKSReverts to st/by aft pic appears with lack of width at sw onC521 2nF 1.5kv tuning cap breakdown - pt no QFZ0196-20214-09-04
JVCAV28WR4EKSDeadReplaced s/c MC44604P chopper chip, CP953 blown, optocoupler TLP721FD4GR and the error amp SE-135N finally cured the problem (HT was rising above its correct 145v)14-09-04
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
NikkaiKS159TDead aft blow up with Q801 BUZ77B blastedR809 0R47 & R805 330k o/c & replace IC801 TDA460514-09-04

Nokia5354UKSFNCrackle on NICAM soundMSP2400 sound proc IC & reset eeprom values14-09-04
Nokia6364UKSFNE-W fault symptomC515 2µ214-09-04
PYE56KS1062dim blank rasterTDA3560 was blanking the crt14-09-04
SonyFE1 KV25KSUFRAME IC HOT LINES ON SCREENREPLACE C506 0.01MFD14-09-04
page: 1
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : ncr 53C720 SCSI IO Processor Data Manual Aug91

script execution: 0.10 s