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: 90
B & O3386ASt/by onlydry joints connectors P22, 23, 25 on board 46 (PSU control)14-09-04
B & O3866Field - small with linesReplace C44,45,47 and C49 also IC2 TDA217014-09-04

B & O3866St/by onlys/c loptr Tr11 S2000A3, dry joints C34 6n8 etc14-09-04
B & O38XXSpeaker - LH spitting noisePoor conns earthing braid/aquadag on crt14-09-04
B & OL2502 (3866)Dead & squealingResolder a mass of dry joints on the PSU & line output panel then replace the short circuit line output transistor (TR11) S2000A3.14-09-04
B & OL2502 3866Int starting , chopper drive present. If pin 3 IC1 , LM358 low check R14 & R16 , 220k.If still no go , check TR20 on Tuner IF PCB .14-09-04
BushBC6338Channel selector stuck on prog.ET6016 , 1R1106.14-09-04
BushBC6338Tuning - no channel change.ET6016 &/or 1R110614-09-04
DaewooCP380Blank raster, no sound, osg or r/c when first switched on (OK after re-switched on)Earth speakers/grill to crt rimband14-09-04
Ferguson3878Dead.CA13 ( 0.47uf ) leaky.14-09-04
GoldstarKI14V38No pic, no OSD, sound okSDA bus is low because of leaky zener ZD502 5.1V14-09-04
GoldstarKI14V38 KI20V38UNSTABLE COLOUR ON PLAYBACK .CHANGE C519 TO 15pF 50v OCC1500K415 , IC502 TO TDA4665 OIPH466500B .14-09-04
Goodmans206NS Daewoo CP380Short/dark picEnter service mode to adj - special handset reqd R-305VC - buy, beg or borrow!14-09-04
Goodmans216NS CP380Dead - LED flashes at sw ons/c on tuner B+ shutting down 12v from IC1802 - perair/replace tuner14-09-04
Goodmans216NS CP380Dead - no 123v HT from PSUC816 100µ 160v14-09-04
Goodmans216NS CP380Dead - no 123v HT from PSUC816 100µ 160v14-09-04
Goodmans216NS CP380Dead with red LED flashing at sw ons/c on B+ in tuner shutting down volts from ICI80214-09-04
Goodmans216NS CP380No soundRC33 56k sm o/c off pins 7/8 sound o/p IC14-09-04
Goodmans216NS CP380No soundRC33 56k sm o/c off pins 7/8 sound o/p IC14-09-04
Goodmans216NS CP380Tuning drift shortly after sw onRC04 100k sm dry joints or o/c14-09-04
Goodmans216NS CP380Tuning drift shortly after sw onRC04 100k sm dry joints or o/c14-09-04
GrundigCUC3800Dark on left, bright on RH sideC2582 1µ faulty - lum signal decoupler to pin 15 TDA3505 chip 14-09-04

GrundigCUC3800EW fault aft tripler replacementR571 4R7 & IC555 E/W chip14-09-04
GrundigCUC3800Int switches to SECAM .C507 100uF 25v. Connects to pin 2 TDA8140 line drive IC.14-09-04
GrundigCUC3800No soundIC2210 U2829B - fit same type as replacement14-09-04
GrundigCUC3800No sound - just hissIC2110 U2829B sound IF demod chip on sound IF stereo board14-09-04
GrundigCUC3800No sound - multistandard TV on wrong settingOn front panel press"N", select 0,1,2,3 or 4 with P+/- buttons. Each no. refers to a different std. Press "M" to store14-09-04
GrundigCUC3800PICTURE DARK ON LEFT HAND SIDE BRIGHT ON RH SIDEC2582 1uF ON PIN 15 TDA3505 DRIED UP AND OC14-09-04
GrundigCUC3840Int deadD661 BYW72 in 12v supply going o/c14-09-04
GrundigCUC3840INT DEAD SET COMES BACK ON BY ITSELFD661 BYW72 12v RECTIFIER INT OC14-09-04
page: 1 2 3
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Yamaha CN-50

script execution: 0.04 s