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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: 106
Beko
10214
Goes off & on int
TA914 Off button on front panel - can substitute TA912 AV button if not used
14-09-04
Beko
10214
PICTURE SHIFTED DOWN
R725 150k
14-09-04
Beko
11.1
Dead
R101 4R7 safety res in line dr feed o/c due to line dr tfmr having shorted turns (pri winding should read 4R2) pt no BE051709
14-09-04
Beko
11.1
E/W faulty & int blows LOPTr
C140 22nF across E/W mod diode
14-09-04
Beko
11214T
Int no pic - sound ok
thyristor T701 ESM740 goes o/c intermittently ESM740 no longer available, use TR03-400T and add a 47 Ohm 0.5W resistor from gate to ground.
14-09-04
Beko
11214T
Int no pic - sound ok
T701 thy ESM740 goes o/c int - NLA -- use a TR03-400T & add 47R ?w resistor from gate to ground
14-09-04
Beko
11221T
Dead
psu working - no line drive - line dr tfmr
14-09-04
Beko
116328NX
Blank grey raster with white line at top
R815 22R in 16v supply o/c as C712 4µ7 hi esr also C811 220µ hi esr (16v supply line had risen to 29v)
14-09-04
Beko
11AK08
Dead aft thunderstorm
1N4148 diode measured about 460KOhms both ways
14-09-04
Beko
1220T
Field lin
R725 150k dry joint
14-09-04
Beko
12220
Blank screen with buzzing & Thy overheats
R725 hi res
14-09-04
Beko
12220
Col int
Dec panel plugs int
14-09-04
Beko
12220
Int pic/sound - disappears with flashing on screen and noise thro speaker
Xtal Q701 in front of IC701
14-09-04
Beko
12220
Top ? of screen lit, rest blanked
R717 1M o/c also check R722 1M
14-09-04
Beko
12220
Top quarter of screen lit & blank - rest black
R717 1M o/c - connected to pin 5 TEA2029 also check R722 in series 1M
14-09-04
Beko
12220
Trips off at sw on - HT = 125v on bulb
D801 BY299 s/c - LOPTX could be the cause
14-09-04
Beko
12220 10.2
Front cont int don't work
Check momentary contacts on mains sw
14-09-04
Beko
12220NX
Status info perm/semi perm displayed
Q2 17.47 Mhz Xtal on audio pcb drifting
14-09-04
Beko
12220NX
The status information appeared on the scrcen at r
The cause of the fault was on the audio panel , where the 17.47MHz crystal Q2 was drifting when warm.§
14-09-04
Beko
12220T
Dead 55v HT
D111 FR30-02 S/C, U4 supply diode
14-09-04
Beko
14212
Tuning drifts
C458 100nF sm near tuner or C460 breaking down (in parallel with C457 - not shown on diag) 0µ47 63v
14-09-04
Beko
15221NX
Pic fades
D1209 on crt base leaky
14-09-04
Beko
15225
Pic shifted vertically
For up check R717, R722 1M; for down check R725 150k
14-09-04
Beko
15225NX
Brightness varies aft LOPTx replacement
R1237 1k2 1w o/c in A1 feed
14-09-04
Beko
15225NX
Dead - fuse blows
T101 s/c - replace T101 BUZ90AF & TDA4605
14-09-04
Beko
15225NX
Dead?
D801 BY299 s/c
14-09-04
Beko
15225NX
off burning smell
L507 dry joint
14-09-04
Beko
15225NX
Pic shifted to bottom
R725 150k hi res
14-09-04
Beko
15225NX
Trips at sw on with loud crack
Lopt arcing between A1/Focus controls - replace loptx
14-09-04
Beko
15325NK
St/by only s/c line dr tr TR801 BC635
Due to Field drive int o/p from TEA2029C (faulty?)
14-09-04
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