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


◦ register ◦ send 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: 109
De GraffCD51JS2BSwirling horizontal linesC562 22µ 250v in psu14-09-04
Goodmans255NS/285NSBlank raster int reverting to st/by - no R/C responseNo osc on I602 multi sound proc chip - resolder X601 or replace Xtal14-09-04

Goodmans255NS/285NSOSD smeary - esp on GreensI501 TDA8375A leaky across G/B I/p pins - replace IC14-09-04
GoodmansWS288NSDead with whistle from LOPC134 & LOPTr14-09-04
GranadaCD51JS2BSync absentC562 22µ 250v14-09-04
HarwoodTS2604PDeadR3 fusible sprung open, 400mA fuse B3 o/c - no supply to RGB L4 in feed o/c14-09-04
HitachiCS2543TANDead - LOTr T511 S2000AF has short lifeCheck scan coil conns for arcing/dry joints - also may be caused by Nicam module upsetting I2C bus line in turn causing line osc to lose sync - can remove NICAM module to check14-09-04
HitachiCS2552TAno cold startC622 470µ 16v14-09-04
HitachiG7 PS2Int colourR501 1k5 o/c - also check R502 1k514-09-04
HitachiG7PS2BRIGHT WHITE THEN FIELD COLLAPSECHECK Q801 SC14-09-04
HitachiG7PS2DEAD , 130v ZENER s.c.REPLACE R909 39K EVEN IF READS OK.14-09-04
HitachiG7PS2Dead.112v rail high R716 ( 51k ) o/c.14-09-04
HitachiG7PS2Fails to startR902 & R903 ( 82K )14-09-04
HitachiG7PS2HIGH EHT WITH SET TRIPPING TO SBY INSTANTLYR909 39K HIGH also replace ZD90314-09-04
HitachiG7PS2INT DEADZD901 6v8 zener14-09-04
HitachiG7PS2INT DEAD39K - 82K POWER SUPP - ALSO D/J on reg 12V (EDGE OF PCB BY LOPT. )14-09-04
HitachiG7PS2INT. FLAG WAVING AFTER TELETEXT USEIC2002 ( TEXT PCB )14-09-04
HitachiG7PS2No OSD set works okReplace HD401314RS14-09-04
HitachiG7PS2No signals Tuning bar moves as if tuning but no vaCheck R044 ( 12K )14-09-04
HitachiG7PS2OSD NOT CLEARINGDOO7 HIGH14-09-04
HitachiG7PS2Shuts down aft 20 secs with buzzIn prot mode (shutdown volts at pin 20 TA8690AN) ZD701 3v9 zener leaky14-09-04
HitachiG7PS2STANDBY ONLYIC703 DRY JOINTS14-09-04

HitachiG7PS2When tried to tune in the correct display appearedThe 33V tuning voltage supply was missing because R044 ( 12k ) was open-circuit.14-09-04
ITTPico S2Dead - no relay click at switch on.Standby mains transformer primary winding o/c.14-09-04
ITTPico S2Dead - no relay click or displayMains st/by tfmr o/c pri14-09-04
JVCAV21S2EK"NICAM" RANDOMLY APPEARS ON SCREENREPLACE SF012 (BLUE) ON NICAM PCB14-09-04
JVCAV21TS2EKField lock in wrong placeTB1227AN IC101 Jungle chip u/s14-09-04
JVCAV21TS2EKGreen line down rh side of picTB1227AN IC101 Jungle chip u/s14-09-04
JVCAV21TS2EKInt flashing across screenCRT faulty14-09-04
JVCAV25S2EKNo start up after initial EHT rush - reverts to st/byEEPROM corrupt - remove EEPROM to test (should then come on with snowy screen) Pt no CAT93C66P & prog with R/C pt no RM871E14-09-04
page: 1 2 3 4
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : JBL jbl prx535

script execution: 0.08 s