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toshiba power supply-zener diode
I made a separate post on this but nobody has responded as of yet. I cannot get the machine to power up with the 6.8 volt zener diode. I have tried orientating it both ways across r815 and r813 with no luck. However, if you cut it out of the circuit,it powers...
After troubleshooting unit for a while,I finally got it to work. A previous technician had put the Irf 830 in backwards and it did not power up.I tried putting the 6.8 volt zener diode across r813 and r815 but it did not power up in either direction.I do not want to put this unit back in...
sd 1700 power supply
I have some strange problems with this one. As stated ;I replaced q801 with an iRF 830 then looked at voltage across diode 801 which read 0.890 volts.I then looked at diode 803 and 804 which read about 60.1 volts and back to 802 which read about the same as 801. I then...
sd 1700u player dead
I have got one at the moment that refuses to power up. I have replaced q801 with an IRF830 and diode 808 with a 6.8 volt zener diode as recommended by toshiba but still nothing. I did find that the culprits were the transistor and the zener diode that I did find shorted...
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