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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: 8
Bush
2571
NTX
St/by only
R826 470k ?w o/c in psu sec
14-09-04
Bush
2571
NTX 11AK19
Blank raster, no sound, ok thro' SCART & OSD OK
IC807 7805 regulator,supply was down to 2.5V
14-09-04
Bush
2571
NTX 11AK19
Bright green pic with fb lines
TDA108JF on crt base
14-09-04
Bush
2571
NTX 11AK19
Field collapse
Check R704 100R safety res, if o/c change also TDA8351 FOP chip. Check 15v supply pin 3 IC701 if missing check comps from pin 6 LOPTx - D606 BA157 o/c
14-09-04
Bush
2571
NTX 11AK19
No pic, sound /text / menu and on screen graphics all work ok
Q500 and Q504 in metal can burnt out. No reason found
14-09-04
Bush
2571
NTX 11AK19
St/by only with psu ticking - HT about 50% of normal
Replace R866 and R867 (0.33 ohms) psu secondary LT supplies
14-09-04
Bush
2571
NTX 11AK19
Tripping psu
IC301 TDA6108JF(RGB chip) & R914 (1R) o/c both on CRT base & check LOPTr
14-09-04
Bush
2571
NTX 11AK19E3
Narrow pic with no E-W corr adj
R629 safety res 2R7 1/2w feeding BUK444 o/c - C630 dry joint caused it
14-09-04
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