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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: 25
GrundigCUC220Dead - intermittent.R646 ( 270k ) on PSU.14-09-04
GrundigCUC220Display - intermittent incorrect channel dispIC663 ( 5v reg )14-09-04

GrundigCUC220Excess col & brightness when heatedOK when Txt pcb dis'd - left it this way14-09-04
GrundigCUC220Frame collapse.R2779 ( 18k ) o/c remove to check.14-09-04
GrundigCUC220Frame distortion.IC TDA1770 if used , D2761 ( SKE4G1/04 ) , R2761 ( 6.8ohm , .75W )14-09-04
GrundigCUC220Goes straight off at sw onodd characters in display - HT = 180v (109v) HT pot int14-09-04
GrundigCUC220Horizontal shaking.Tuner/IF dry joints , check the electrolytics with freezer14-09-04
GrundigCUC220INT START UPC631 100uF 40v , C633 220uF , C647 1uF , C642 100uF + R646 270k14-09-04
GrundigCUC220int start upTDA460014-09-04
GrundigCUC220Interference at sides.IC TDA2595 sync/line osc IC.14-09-04
GrundigCUC220Lack of frame at bottom when cold.C2768 ( 100uf ) on deflection PCB.14-09-04
GrundigCUC220No pic at switch on - looks like its off tuneC2221 ( 1uf 63v ) in tuner/if unit.14-09-04
GrundigCUC220No vision with raster and sound.T2533 , Adj control SB , R2536 , C2536 , D2536 , D253214-09-04
GrundigCUC220Pulling/RollingC2216/2221 1µ 63v in IF can by TDA5500 chip14-09-04
GrundigCUC220Shutdown - intermittent switching off.Dry R646 ( 270k ) , TDA4600 , replace HT pot R647 ( 2.5k )14-09-04
GrundigCUC220Standby - intermittent going into standby.Change R647 to ceramic.14-09-04
GrundigCUC220Standby- intermittent going into standby.IC663 ( 5v reg )14-09-04
GrundigCUC220Startup - switch on problems & hum.Relay contacts jammed o/c.14-09-04
GrundigCUC2200Small pulsating raster.Di614 ( 75v zenor ) in cutout circuit rev leak around 100k14-09-04
GrundigCUC2201Int trips at sw onR637 1k set HT pot14-09-04
GrundigCUC2201Tripping - then comes on.Set HT control R637 ( 1k )14-09-04
GrundigCUC2201Tripping, thumping noise & no displayCombi tfmr o/c sec windings N & L14-09-04

PanasonicTC2201 PIU-S1CFrame int collapse.Drys on transistors 454/455.14-09-04
PanasonicTC2201 PIU-S1CTripping pulsating sound , EHT & frame collapseReplace C816 ( 220uf ) , C813 ( 1uf ) , C1029 ( 10uf ) D809 , D81914-09-04
Philips20PVC220goes to stby on bright screenzener 6541 leaky (4822 130 34441)14-09-04
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