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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: 24
Loewe3870WZRepeated tripping at sw onD661 BYW98-100 in psu sec s/c & 3.15A wickman fuse supplying it o/c14-09-04
LoeweART1 ART1East west.C586 ( 3 , 3nf )14-09-04

LoeweE3000Dead - burnt comps in psuD630 22R, D630 gp sw diode14-09-04
LoeweM124Bottom foldoverC581 47µ 25v14-09-04
LoeweM124Int weak contrastdry joints front controls & pcb14-09-04
LoeweM124Lack of heightdry joints field o/p chip & height pot14-09-04
LoeweM124No cold startC624 100µ, C638 1µ14-09-04
LoeweM124Small, flat pic with non-lin fieldC652, 653 47µ 250v14-09-04
LoeweMS56Startup - no sound or picture.R534 ( 3.3R ) o/c , check C638 ( 1uf )14-09-04
LoeweMS56This set's picture was marred by very severe Venet1k LZ AMP preset P323 had gone open-circuit.14-09-04
LoeweMS56 C8001Stuck in standby.R534 ( 3.3R ) o/c , T534 , C534 ( 47uf )14-09-04
LoeweProfi T28Dead - Fuse S611 1.6A blownR614 degauss positor14-09-04
LoeweQ110Width & E/W distC542 0u52 dry joints, L590 shorted turns14-09-04
Loewe Opta66450SLOW TO SWITCH ONC671 , C673 ( LOW )14-09-04
Loewe OptaARTS35 66472SOUND MOTORBOATS WHEN COLDC671 1000uF 16v ALSO C67514-09-04
Loewe OptaC8000WHISTLES + HIGH HTC63814-09-04
Loewe OptaC8001PICTURE NAOW + TUBE LOOKS POOR HT LOW NOT 142v BC652 47uF 250v14-09-04
Loewe OptaMS124POOR FIELD LINC581 47uF 63v14-09-04
Loewe OptaMS56 C8001Dead.LOPT SC , R583 OC 22R , IC1581 SC TDA495014-09-04
Loewe OptaMS56 C8001DEAD STBY LED LIGHT R534 LINE DRIVER FEED OCREPLACE R534 3R3 T534 C53414-09-04
Loewe OptaPROFI S28 C8001NO LINE DRIVET534 SC USE TIP4114-09-04
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
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