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: 170
B & OBeovision 8802 Type 7001Blank raster, no sound, OSD OKR1 1,5Ohm o/c, TR1-TR2 BC 338-25 o/c, D1 13V Zener s/c 14-09-04
Beko2841ND - 14.1 chassisLines across top 3 - 4 inches of picR422 35v feed to IC501 fop chip never been soldered14-09-04

Bush2768NTXSILSt/by only - LOPTr blownAlso replace line dr tr 2SC1573 14-09-04
BushWS6673SILTrips with LOPTr 2SD2579 s/cCheck dry joints C626 flyback cap & measure its value 12nF 2kv14-09-04
BushWS7673SILDeadD002 dry joints, chopper FET s/c, L801 o/c14-09-04
BushWST Professional 4400 seriesService Mode accesshold menu button while turning CTV on until the red LED lights up. Release the menu button and press standby.14-09-04
FergusonTX100 Chassis (Turkish)Switches to Stby after a while.Change two 5V regulators in the control board.(TDD1605)14-09-04
GoldstarMC41 A chassisDead with STRS6707 blownCheck C819 4n7 2kv for burn before replacement14-09-04
Goodmans256NS L6.3AA ChassisE/W distC2913 (390n 250v) and 7908 (STP4NA40F1) mosfet14-09-04
Goodmans286NS (Philips L6.3 chassis)No sound - noise only from speakersMPS3410 chip faulty - replaced audio pcb14-09-04
GoodmansTX92 chassisHotel mode (no tuning menu) - to unlock) turn TV in to standby from remote 2) turn power off from mains on/off switch and wait until led goes off. 3)hold standby button on remote control and power up from on/of switch hold standbye button for about 10 seconds then de/active hotel lock. 14-09-04
Grundig3500 ChassisNo tuning , check pins 13 , 15 of tuner/IF for tuninIf stuck at 30v replace SDA3202 and SDA251614-09-04
GrundigGSC200 ChassisArcing in picture. Reduced width with torn edges.The HO Transformer has a built in fuse holder which houses a 50mA fuse. (connected in series with the high tension cable). Replace the fuse and clean the contacts.14-09-04
GrundigGSC200 ChassisBlack screen, EHT at about 18 KVs.Change Di511.14-09-04
GrundigGSC200 ChassisNo sound or Picture, led displays not lit.EHT at 18KV.C2607 in relay PCB Sced.Check also D334 and D335 in tuning module as in one case they were found to be Sced together with C2607.14-09-04
HitachiC1714TE (A15 chassis)No Txt & delay in returning to st/byCheck 5v supply pin 44 micro - if low ZD4001 5v1 zener is sus14-09-04
HitachiC1714TE (A15 chassis)To acess service menupress the following buttons on the remote: 4 4 STATUS MUTE TV in that order and fairly quickly. The service menu is displayed. Check that BYTE 1 = 7D; BYTE 2 = 20 These are two hex digits - to exit menu press st/by14-09-04
HitachiC28300,C2576TN etc A5 chassisField lin & lines at top of picC725 33nF 400v14-09-04
HitachiC28300,C2576TN etc A5 chassisInt trips & linesC719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot14-09-04
HitachiC28300,C2576TN etc A5 chassisRed pic with fb linesR829 fusible on crt base o/c (not shown on cct diag)14-09-04
ITTChassis 80R110Set switches to Stby after running for a while.Change D761 13V zener.Seems to be OK with a Vom.14-09-04
JVCAV21F1EK JX ChassisNo OSD ot Txt - could be intCheck dry joints reg IC52214-09-04

JVCAV25F1EK JX ChassisDead - LOPTr Q502 BU508AFI s/cCaused by faulty LOPTx14-09-04
JVCBYX chassisLoss of some chansIF module SBY-F004A proved to be heat sensitive - retune T102 V C Osc coil14-09-04
JVCBYX chassisNo memorise chans or settingsIC001 MN1226S, C106, C107 on station select module14-09-04
Loewe-OptaME26/Chassis110C8East-West. Excessive width, won't adjust.Change L573. Seemed to be OK visually.14-09-04
Loewe-OptaME26/Chassis110C8Very int. Field collapse, white line in the center of screen for a few seconds, and then black screen with no sound.When the problem occurs, make continuity check between pin 12 of the yoke plug and pin6 of vertical IC. If open, fit a piece of wire.14-09-04
Loewe-OptaME26/Chassis110C8Won't start, goes to Stby. Hor driver T541 Sced, supply resistor R503 oc. After replacement, It was Sced again.Change C546 0,33uF/250V located in front of the LOPT transistor. Also check/replace C503 22uF cap.14-09-04
Metz11AK20 ChassisSwitches to standby when hot.Change/replace C601 100nf and C605 3,3uF.14-09-04
Metz11AK20 ChassisWon't search/Search menu is not correct. Displays "enter channel number" although tuner is not synthesised.Replace microcontroller IC.14-09-04
page: 1 2 3 4 5 6
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Samsung CVM-4967T

script execution: 0.18 s