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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: 17
Goodmans215N T2172TUSU Cometdead with ticking noise from loud speakersC811& C813 both 100uF 16v, C812 1uF 50v All read very low, in power supply circuit14-09-04
GoodmansW280NS Formenti F19Service mode accessSw on TV holding in Vol+. Release vol button & press St/by on r/c within 3 secs. To save settings press yellow "mem" button else press TV/AV to exit without saving changes14-09-04
GranadaC51ME3No drive to blue gun of tubeFeedback/bias resistor R922 100Kohm o/c14-09-04
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
Proline1485R Daewoo FormentiNo line driveI501 micro u/s Part no 1DW3813DE114-09-04
Proline1485R Daewoo FormentiReverts to st/by aft 65 secsI501 micro u/s Part no 1DW3813DE114-09-04
Proline28N1 Formenti F19Dead - Chopper FET short. R8 O/C 390kalso replace TR1 P60NB80PF,14-09-04
Proline28N1 Formenti F19Vol cont bar will not move above 3 notches (not in hotel mode)EEPROM corrupt - enter service mode by pressing "vol up" on TV whilst sw set on & within 3 sec's press "standby" on R/C (still holding "vol up"). Service mode options now on screen. Make a note of settings!! Scroll up to "INIT CTVFOR-P V1.3" press "vol up" (toggle) & wait 2 sec's to finish.14-09-04

ProlineF205T Formenti PC230Dead - mains i/p fuse blownC415 1nf 1kv (blue pulse type) situated near the SMTX on the primary side. It was split14-09-04
Siemens/BlaupunktChassis100/21 (Control section with hybrid Siemens Ics)Set can not be switched to Stby with the remote control. All other functions O.KSwitch the TV to Stby from the on/Stby switch on the front panel.Hold down the"ME" button and switch the TV on.Press CS. It should work normally now.14-09-04
Siemens/BlaupunktChassis100/21 (Control section with hybrid Siemens Ics)To set normal values for Bright/Contr/Col/VolumeSwitch set to Stby. Hold down "ME"button, until set switches on. Adjust bright,contr etc and press "ME" again to memorise.14-09-04
Siemens/BlupunktChassis100/21 (Control section with hybrid Siemens Ics)Set can not be switched to Stby with the remote control. All other functions O.KSwitch the TV to Stby from the on/Stby switch on the front panel.Hold down the"ME" button and switch the TV on.Press CS. It should work normally now.14-09-04
Siemens/BlupunktChassis100/21 (Control section with hybrid Siemens Ics)To set normal values for Bright/Contr/Col/VolumeSwitch set to Stby. Hold down "ME"button, until set switches on. Adjust bright,contr etc and press "ME" again to memorise.14-09-04
SonyKV2032MENo horizontal synchronisation when cold.Replace capacitor C509 10uF near horizontal driver transformer.14-09-04
SonyKV2032MEPic only 3" wide on lh screen- increases as it warms upC514 = 33uF / 160V ; C801 = 22uF / 250V ; C557 = 2,2uF / 160V . 14-09-04
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