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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: 29
Alba
CTV10
dead
mains tfmr o/c pri
14-09-04
Alba
CTV10
Dead - st/by only
D410 OC LOPT SC
14-09-04
Alba
CTV10
Dead apart from relay click
IC402 fop chip faulty
14-09-04
Alba
CTV10
Field coll
field o/p trs s/c c-e 2SC2660 (TIP41C), 2SA1133 (TIP32C)
14-09-04
Alba
CTV10
No start up
R301/302 330k ?w o/c
14-09-04
Alba
CTV10
St/by only
D410 FR605 burnt & o/c - loptx u/s
14-09-04
Alba
CTV10
Startup - no startup - dead.
R301 , R302 ( 330k 0.5W )
14-09-04
Alba
PTV10
Dead.
Mains transformer primary o/c. only use correct bri e.
14-09-04
Alba
VTV10
Dead
C480 10µ near line dr tr
14-09-04
Alba
VTV10
No vision , JUST BLUE SCREEN
R7024 1r VCR P.SUPPLY. NO HT TO TV IF AMP TRANS.
14-09-04
Alba/Bush
CTV100
Uncontollable vol that wont reduce
L101 o/c
14-09-04
Amstrad
CTV1000
Blank white raster , sound control o/c
Q7601 ( 25C1675 ) , C7901 ( 240pf ) S/C tune/f
14-09-04
Amstrad
CTV1000
Line collapse
Dry joints line lin coil L7702
14-09-04
Amstrad
CTV1000
Line hold drifts int.
Dry on line hold control
14-09-04
Amstrad
CTV1000
Raster - blank - sound Ok.
Q7601 ( 2SC1675 ) C7901 ( 240PF ) S/C
14-09-04
Boots
CTV10R
Dead
CHECK REG'S OUTPUT ( 10.6V ) AND SUOUNDING PRINT
14-09-04
Bush
CTV100
Int dead
check for slack fuse holders
14-09-04
Casio
TV100
Dead - Fuse FU100 (1A) o/c
LCD backlight inverter trs Q901/2 s/c; caused by s/c turns in pri winding of inverter tfmr - can be rewound with care
14-09-04
Genexxa
CTV10
Field - lack of height with bottom compressed
RP05 8k2 3w metal film o/c
14-09-04
Genexxa
CTV10
int dead
Start up res RP04/05 160k on mains psu module on back cover
14-09-04
Genexxa
CTV10
Line collapse
CH01 4µ7 50v bipolar o/c
14-09-04
Hinari
VTV100
dead apart from st/by relay click
relay contacts burnt
14-09-04
Hinari
VTV100
dead tv sect - vcr sect ok
HT at lop tr & driver. No line osc from IC301 pin32 - replacing chip TA7698AP gave osc o/p from chip but still no go.Lop tr faulty.
14-09-04
Hinari
VTV100
Excess brightness
Q301 2SA1015 s/c - can use BC307 in lieu
14-09-04
Hinari
VTV100
Line foldover then blew lop tr
dry joints lop sect esp around heatsink
14-09-04
Hinari
VTV100 Combi
Raster - high raster.
Q301 ( 2SA1015 or BC307 ) s/c.
14-09-04
Radio Shack
CTV10
Dead with burn up around psu
Clean off glue around RP06 and CP10 replace RP06(O/C)39R 7 watts, this got the 12v into the set but it was stuck in standby this was down to QH02 (BU407) I fitted a BU406.
14-09-04
Roadstar
CTV1020
Field collapse
No 12v pin 3 TDA8356 FOP chip - D382 1N4937 leaky
14-09-04
Roadstar
CTV1020
Service mode access
Used Philips universal handset - neg bass - gives"Factory mode", Prog buttons - shift selections; vol buttons - change value
14-09-04
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