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: 30
AmstradCTV1400Buzzing - intermittent.Adjustable capacitor on sound IF subpanel.14-09-04
AmstradCTV1400Col flickers/fback linesF o/p tr Q702 coll only 32v (62v) - C739 100µ o/c14-09-04

AmstradCTV1400DeadFusible R529 0R68 1w Pt no 24274114-09-04
AmstradCTV1400Dead - intCrack in print between pin 6 LOPTX and R74914-09-04
AmstradCTV1400Dead - int dead.Drys around STK.14-09-04
AmstradCTV1400Dead - int.Line transistor Q705 collector connection o/c.14-09-04
AmstradCTV1400dead except for slight buzzHT ok but not reaching lop tr - break in print between lopt pin 11 & lop tr14-09-04
AmstradCTV1400Dead lop tr s/cDry joints line dr tfmr T70114-09-04
AmstradCTV1400Dead with whine from psudry joints line dr tfmr14-09-04
AmstradCTV1400Flyback lines & colour flickeringC739 ( 100u f ) o/c14-09-04
AmstradCTV1400Flyback/Txt lines at top of screenC739 100µ 50v hi esr14-09-04
AmstradCTV1400int deaddry joints lop tr (look ok by sight)14-09-04
AmstradCTV1400Int DeadIC502 STR451 gets hot - T501 chopper tfmr faulty14-09-04
AmstradCTV1400Int line sync on chan changeD715 & D704 faulty14-09-04
AmstradCTV1400Int pic - once a week touchInt A1 due to LOPTx faulty14-09-04
AmstradCTV1400Int sound level & buzzAdj cap on sound if sub panel14-09-04
AmstradCTV1400Loses Line Sync during Channel ChangeD715 & D70414-09-04
AmstradCTV1400No line sync during channel change.Replace zeners D715 & D704.14-09-04
AmstradCTV1400Sound going low - int.Adjustable capacitor on sound IF subpanel.14-09-04
AmstradCTV1400Weak contrastR410 120k at pin 2 lopt14-09-04
AmstradCTV1400 (new)Cogged picC517 33µ 160v between chopper & lop tfmrs14-09-04
AmstradCTV1400 newSound low & distC751 470µ 35v in o/p to spkr14-09-04

AmstradCTV1400TDead after C508 47µ & C509 10µ went o/c in PSUQ504 2SC5287; Q503 BC547B; Q502 BC557B; R529 2R2 3W; now tripping - Q507 BUT11AF s/c; Q402 BU2508DF 14-09-04
AmstradCTV1400TSt/by onlyR520 2k7 1/2 watt; Q507 But11a; Q506; C509 10 ufd; C508 47 µ14-09-04
BushCTV1400DeadZD401 12v zener leaky, R414 12R 2w o/c, C909 47µ low, C408 2200µ 25v bulging, LOPTr 2SD1544 s/c, Chopper tr 2SD1431 s/c - used BU508A in lieu, R902 2R2 o/c, R919 0R68 o/c, Q902 2SB774 o/c, C910 10µ 50v bulging14-09-04
BushCTV1400Field collapse after pic restoredAN5521 field chip14-09-04
BushCTV1400int pic & sound - goes off tunetuning volts perm 30v - Q103 emitter should be 0v - was higher due to crack in print next to tuner14-09-04
BushCTV1400Small pic - low HT (80v)R918 0R68 1w hi resistance14-09-04
CasioTV1400int powerbroken print by connector14-09-04
FidelityCTV1400Weak contrastR106 10k or 110k o/c- also check R113/111 100k if fitted 14-09-04
page: 1
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Sony WM-D6C

script execution: 0.05 s