TV
Repair Database
|
GEC |
1401 |
Int colour - poor line sync |
R519 ( 22k ) high. |
|
GEC |
1402 |
No sound at switch on /
dist sound |
C228 leaky. |
|
GEC |
1402 |
Whistle - low frequency. |
Lin coil L505. |
|
GEC |
2002H |
Raster - bright screen
& flyback lines. |
R258 o/c. |
|
GEC |
20AX |
Blank white raster with
flyback lines. |
D212 leaky , R281 o/c
( 82k on decoder PCB ) use
2x39k |
|
GEC |
20AX |
Dead - fuse blown. |
R515. |
|
GEC |
20AX |
No blue. |
P209 ( blue cut-off ) track
o/c. |
|
GEC |
20AX |
No colour - lack of
brightness. |
IC502. |
|
GEC |
20AX MK1 |
Channels - Jumping back to
channel 1. |
IC201 ( SAA1025 ) ,
IC202 ( SN74141N ) , D206 ,
C5 , IC3. |
|
GEC |
2110 |
Blank raster - sound ok. |
R122 ( 120uf ) o/c. |
|
GEC |
2110 |
Int colour. |
DJ on C251
( 0.33uf ) |
|
GEC |
2286 |
Frame top foldover. |
C608 o/c
( 22u f 160v ) |
|
GEC |
2286 |
HIGH BRILL |
CHECK BIAS RES. O/P STAGES |
|
GEC |
2296 |
Frame top foldover. |
R813 gone low. |
|
GEC |
3133 |
No sound or picture. |
IC TCA270. |
|
GEC |
3135 |
Dark picture. |
R361 ( 470k ) o/c. |
|
GEC |
C1041H |
Grainy picture & noisy
sound. |
R334 ( 10k ) |
|
GEC |
C1402H CVC801 |
Startup - dead. |
IC700 ( 7812 ) 12v
reg , T873 , IC870 ( TDA2140 ) check
by change |
|
GEC |
C1407H |
Dead - with whinning noise. |
2D910 ( 3V zener ) s/c. |
|
GEC |
C1502 |
Frame - roll if sound level
is increased. |
R817 ( 0.82R )
high feed to TBA820. |
|
GEC |
C1653 |
Dead - Int. |
DJ on LOPTX pin 2. |
|
GEC |
C1653 |
FIELD BOUNCE ON CHANNEL
CHANGE |
C610 OC |
|
GEC |
C1653 |
Tuning drift. |
DJ inside tuner/IF can. |
|
GEC |
C1658H |
Low frame. |
C603 47uF 160v |
|
GEC |
C2000 |
Sound - crackling noise
during search on AV. |
Mod. |
|
GEC |
C2036H PIL |
No neons on touch-tune. |
IC202 ( SN70769N ) |
|
GEC |
C2055 |
Bright raster (esp on RH
side) with striations |
C719 4µ7 250v |
|
GEC |
C2110 |
Dead - blowing mains fuse
for no reason. |
Check fuse holder for being
loose or charred. |
|
GEC |
C2110 |
Int no colour. |
P252 ( set ACC ) noisy
, C117. |
|
GEC |
C2110 |
Line - Int line oscillator
- no picture |
C411 ( 0.01u f ) s/c. |
|
GEC |
C2110 |
No colour. |
Check that slider of P203
is in pos ( above Ae socket ) |
|
GEC |
C2110 |
No picture - int line
oscillator. |
C411 ( 0.01u f ) s/c. |
|
GEC |
C2110 |
No picture. |
DJ on R411
( 2k2 ) |
|
GEC |
C2110 |
Tuner - low gain. |
C113 leaky. |
|
GEC |
C2233H 20AX Mk2 |
Bright raster. |
R281 ( 82k ) o/c. |
|
GEC |
C2233H 20AX Mk2 |
Dead. |
D503 s/c , R503 o/c. |
|
GEC |
C2233H 20AX Mk2 |
Raster - flyback lines
& excessive brightness |
R281 ( 82k ) o/c. |
|
GEC |
C2236 20AX |
Brightness excessive. |
R281 ( 82k ) on
decoder PCB ( can use 2x39k ) |
|
GEC |
C2289H |
Bright on LH side of screen |
C715 2µ2 250v o/c |
|
GEC |
C2289H |
Low contrast, brightness
& col (controls have no effect) |
IC501 TDA3561A |
|
GEC |
C2290H 2036 Hit |
Dull raster may not have
any colour. |
IC ( TDA3561A ) decoder. |
|
GEC |
C2662H |
INT RED |
R819 INT OC |
|
GEC |
Hybrid |
No colour when correctly
tuned in. |
C341 , TR327 , C319. |
|
GEC |
NP84 Mk2 |
Int no colour. |
C527. |
|
GEC |
PIL |
Frame rolling. |
C353 ( 120pf ) o/c. |
|
GEC |
TVC2437B |
Int off - no power LED |
Dry joints PSU R183 22k
& tfmr |
|
GEC |
TVC2460 |
No pic at sw on aft LOPTx
replacement |
Judicious adj of A1's |
