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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: 9
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
C2233H
20AX
Mk2
Bright raster.
R281 ( 82k ) o/c.
14-09-04
GEC
C2233H
20AX
Mk2
Dead.
D503 s/c , R503 o/c.
14-09-04
GEC
C2233H
20AX
Mk2
Raster - flyback lines & excessive brightness
R281 ( 82k ) o/c.
14-09-04
GEC
C2236
20AX
Brightness excessive.
R281 ( 82k ) on decoder PCB ( can use 2x39k )
14-09-04
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