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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
Make
Model
Problem
Solution
Date
Found: 47
GEC
1401
Int colour - poor line sync
R519 ( 22k ) high.
14-09-04
GEC
1402
No sound at switch on / dist sound
C228 leaky.
14-09-04
GEC
1402
Whistle - low frequency.
Lin coil L505.
14-09-04
GEC
2002H
Raster - bright screen & flyback lines.
R258 o/c.
14-09-04
GEC
20AX
Blank white raster with flyback lines.
D212 leaky , R281 o/c ( 82k on decoder PCB ) use 2x39k
14-09-04
GEC
20AX
Dead - fuse blown.
R515.
14-09-04
GEC
20AX
No blue.
P209 ( blue cut-off ) track o/c.
14-09-04
GEC
20AX
No colour - lack of brightness.
IC502.
14-09-04
GEC
20AX MK1
Channels - Jumping back to channel 1.
IC201 ( SAA1025 ) , IC202 ( SN74141N ) , D206 , C5 , IC3.
14-09-04
GEC
2110
Blank raster - sound ok.
R122 ( 120uf ) o/c.
14-09-04
GEC
2110
Int colour.
DJ on C251 ( 0.33uf )
14-09-04
GEC
2286
Frame top foldover.
C608 o/c ( 22u f 160v )
14-09-04
GEC
2286
HIGH BRILL
CHECK BIAS RES. O/P STAGES
14-09-04
GEC
2296
Frame top foldover.
R813 gone low.
14-09-04
GEC
3133
No sound or picture.
IC TCA270.
14-09-04
GEC
3135
Dark picture.
R361 ( 470k ) o/c.
14-09-04
GEC
C1041H
Grainy picture & noisy sound.
R334 ( 10k )
14-09-04
GEC
C1402H CVC801
Startup - dead.
IC700 ( 7812 ) 12v reg , T873 , IC870 ( TDA2140 ) check by change
14-09-04
GEC
C1407H
Dead - with whinning noise.
2D910 ( 3V zener ) s/c.
14-09-04
GEC
C1502
Frame - roll if sound level is increased.
R817 ( 0.82R ) high feed to TBA820.
14-09-04
GEC
C1653
Dead - Int.
DJ on LOPTX pin 2.
14-09-04
GEC
C1653
FIELD BOUNCE ON CHANNEL CHANGE
C610 OC
14-09-04
GEC
C1653
Tuning drift.
DJ inside tuner/IF can.
14-09-04
GEC
C1658H
Low frame.
C603 47uF 160v
14-09-04
GEC
C2000
Sound - crackling noise during search on AV.
Mod.
14-09-04
GEC
C2036H PIL
No neons on touch-tune.
IC202 ( SN70769N )
14-09-04
GEC
C2055
Bright raster (esp on RH side) with striations
C719 4µ7 250v
14-09-04
GEC
C2110
Dead - blowing mains fuse for no reason.
Check fuse holder for being loose or charred.
14-09-04
GEC
C2110
Int no colour.
P252 ( set ACC ) noisy , C117.
14-09-04
GEC
C2110
Line - Int line oscillator - no picture
C411 ( 0.01u f ) s/c.
14-09-04
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