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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: 6
NEI
2591
FTXN
excess width with bowed verts
R371 1R o/c due to tv operated with line scan coils dis'd
14-09-04
NEI
2591
FTXN
No EW correction
no pulses pin 8 TDA8145 EW chip. Check 2 x 150k feed resistors
14-09-04
NEI
2591
FTXN
no line osc - comes out of st/by but no green led
check earthing of lop tr heatsink (wire link by C130)
14-09-04
NEI
2591
FTXN
no r/c
check TFMT4380N ir rec data o/p
14-09-04
NEI
2591
FXN
st/by only
D104 5v1 zener, Tr100 chopper, optocoupler, increase value C109 to 3µ3
14-09-04
NEI
2591
FXTN
Dead or int dead
HT ok but line drive missing - bad earth conns between chassis & sig earth - hard wired
14-09-04
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Last SM download : DENON Service Bulletin OST-F1469
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