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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: 15
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
MitsubishiBDS28WS 11AK19Dead apart from LED dimly flashing green - will sw on & off - no EHT & HT (150v) low at 102vD807 in psu leaky14-09-04
MitsubishiBDS28WS 11AK19Entering service modefirst enter the installation menu, then press 4, 7, 2 & 5 respectively (another possibility is 2,3,5,7)14-09-04
MitsubishiBDS28WS 11AK19Int blows LOPTr at sw on - also EW FET & R629 could be damagedDry joint C63014-09-04
MitsubishiBDS28WS 11AK19ProInt shuts down to st/by with LED dimming - usually at start upFocus spark gap arcing - replaced CRT skt 30001855 ?1.39 from SEME14-09-04
MitsubishiBDS28WS11AK19PRODeadQ605 BU2508AF, C630 390NF 250V, C626 12NF 2000V, L604 E/W Coil, TR601 Line drive transformer, L604 15mH Coil, R629 27R, D807 BA159, D605 BA159, D606 BA159, C835 1nF 1000V14-09-04
MitsubishiBDS28WS11AK19PROSw to st/by aft 2 mins - G LED flasheswhen trying to come out of st/byD505 2v4 zener sm conn to pin 33 IC501 leaky14-09-04
MitsubishiBDS28WS11AK19PROWon't come out of st/by when sw to st/by aft operating for more than 5 minsSw mode Tr replaced14-09-04
NECPXT-42S11SNEC PXT42S11S 42" plasma, hooked it all up and then turned it on. All I got was a white screen with "Heat Run" in red letters in the top left hand corner which disappeared to leave me with a blank white screen. No matter which buttons I press, I still jusSounds like the LVDS cable from the mainboard to the panel has come disconected might have been vibration during transport. 27-12-05
SonyKPS112U (proj)Int convergenceD/Js on one of the STKs on convergence panel gain access to the convergence panel by taking off the panel below the screen at the front.14-09-04
WatsonFA2801TS 11AK19ProDead - psu pcb tracks o/c due to heatD625 (used BY127)14-09-04
WatsonFA2801TS 11AK19ProDead with psu blownIC802 MC44604, D824 RL207 USED BY299, D824/5/6/7 ALL BA159's, Q802 FET P6NC60FB used BUZ90 in lieu, D823 IN1418, R850 180K (Read ok but changed as a precaution.), R817 2.2R 5W, R814 47R, R819 0.22R, C848 220MFD (Read ok but changed as a precaution.)14-09-04
WatsonFA2801TS 11AK19ProNarrow picDry joints C630 560nf & R629 27R o/c & dry joints E/W FET & 2w res burnt up (fitted 330R). The whole pcb reqd repair to tracks due to overheating14-09-04
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