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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: 11
Bush
2872
NTX 11AK19
Dead with R806 22k start up res o/c
Due to short on pin 1 of MC44604 IC802 chopper chip
14-09-04
Bush
2872
NTX 11AK19
Int width increase with E-W fault
Dry joint L602
14-09-04
Bush
2872
NTX 11AK19
Tuning varies
R505 tracking to pcb
14-09-04
Bush
2872
NTX 11AK19-E3
Dead
R870n 0R22 in psu o/c due to C833 arcing against chopper Tr heatsink
14-09-04
Bush
2872
NTX 11AK19ES
Dead - LED flickers low green
No 5v supply as R867 0R33 o/c
14-09-04
Sanyo
CBP
2872
No sound from spkrs - ok from scart
IC561 APU2471 on sigs panel
14-09-04
Sanyo
CBP
2872
REPEAT FAIL OF LOP TR ( 2SD1555 )
IC DPU2553
14-09-04
Sanyo
CBP
2872
ED1
Lines when cold with shading as warms up
C404 (100mfd 50v) in the frame stage was the culprit, although its ESR reading was OK, and there were no signs of leakage
14-09-04
Sanyo
CBP
2872
ED1
No sound - comes on briefly when cold sometimes with crackle/hiss
OK from scart socket - IC561 APU2471 could be faulty
14-09-04
Sanyo
CBP
2872
ED1
No sound when sw on if still warm
IC560 ADC2301E on sigs panel pt no 409 211 9404
14-09-04
Sanyo
ED1 CBP
2872
No colour
PVPU2204 chip
14-09-04
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