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: 626
Bush2163NTXDead with smokeR809 0R47 fusible burnt; s/c chopper tfmr14-09-04
Bush2163NTXAInt soundcaused by bad joints UL302 coill near TDA2546 on Nicam pcb14-09-04

Bush2167NTXDeadR5 680K 1 watt in PSU start up circuit14-09-04
Bush2167NTXDead - chopper tr BUZ90 s/cCheck 220k & 330k res in psu14-09-04
Bush2167NTXField - only 2" scan across centre, no sound/picR25 12k 1W in 33v line o/c14-09-04
Bush2169NTXDeadR5 680k & check chopper tr14-09-04
Bush2169NTXDead with 2.5A fuse o/cR1 5R6 o/c, R4 270k o/c, Q1 MOSFET - use BUZ77B in lieu14-09-04
Bush2169NTXDead with mains fuse blackenedQ1 P3NA90 chopper tr s/c, R4 270k & R5 680k could be hi res & check C11 47µ & C12 1µ14-09-04
Bush2214LINE OP TR SCR756 DRY JOINTED14-09-04
Bush2214No pic - buzzing PSUR756 5R 2w in base loptr hi res & C754 470pf 2kv o/c14-09-04
Bush2321180v rail low at 105v.C416 ( 10uf 250v ) Adj to LOPT.14-09-04
Bush2321Blank raster - A1 brings up pic but then sameIC501 ( TDA3562A-TFK ) , A1 control not set correctly.14-09-04
Bush2321Blank raster with vertical black bands.IC02 socket.14-09-04
Bush2321Bright white screen or dark picture.R424 ( 27k ) o/c.14-09-04
Bush2321Brightness varies.R425 ( 56k ) o/c.14-09-04
Bush2321Dead - HT Ok - no line drive.C808 ( 1000uf 25v ) , D805 s/c.14-09-04
Bush2321Dead Fuse Not BlownR816 ( 4.7ohm ) o/c , Q801 s/c , R808 ( 270K ) o/c14-09-04
Bush2321Dead with burning smell - fuse Ok.C808 ( 1000uf 25v ) , R811 ( 1ohm ) o/c.14-09-04
Bush2321Dead.C820 ( 100pf ) , C817 ( 10uf ) , C802 ( 100uf ) , R801 ( .68R ) , C810220uf ) , IC801.14-09-04
Bush2321High HT.C818 ( 1uf 50v )14-09-04
Bush2321Int no picture.IC02 ( TPU2732 )14-09-04
Bush2321No colourIC TDA R515 , R513 mod if changed to a none Telefunken type TDA.14-09-04

Bush2321Red raster.IC501 ( TDA3562A-TFK )14-09-04
Bush2321Slow to startup.Mains smoothing con ( 120uf 400v )14-09-04
Bush2321Snowy raster - display shows 88.SAA1293A-03 ( see also Bush reprogramming guides )14-09-04
Bush2321Sound - Uncontrolable.IC SAA1293 Faulty14-09-04
Bush2321Squealing tripping.LOP transistor s/c , R811 ( 1R ) o/c , check for dry on C808.14-09-04
Bush2321Takes a long time for picture to come appear.IC501 ( TDA3562A-TFK )14-09-04
Bush2321Takes up to 30 mins for picture to appear.Change IC501 to non TFK type & change R513 to 68k , R515 to 150k14-09-04
Bush2321Thin black lines across picture.C806 ( 1000uf ) o/c.14-09-04
page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Philips philips f7122 00 30 sm

script execution: 0.01 s