Emitter is supplied by a 5V Zener,
collector to pin 6
Base and collector are bridged with a 100K resistor, and goes over another resistor to a diode to each driver.
Behind the diode i have 6V, after the diode 2V.
Somehow the 2V musst be suppressed. I will remove the diode to the driver, to check if there is something leaking.
collector to pin 6
Base and collector are bridged with a 100K resistor, and goes over another resistor to a diode to each driver.
Behind the diode i have 6V, after the diode 2V.
Somehow the 2V musst be suppressed. I will remove the diode to the driver, to check if there is something leaking.
If i open pin 6 again, i have 5V at the Base.
Pin6 on the maiboard goes to two resistors in series, with a ceramic cap paralleled.
Than it goes to a J111 Drain..
How does it works? Should it pulled down from the mainboard? It seems, that on the drive board everything is ok.
Pin6 on the maiboard goes to two resistors in series, with a ceramic cap paralleled.
Than it goes to a J111 Drain..
How does it works? Should it pulled down from the mainboard? It seems, that on the drive board everything is ok.
I replaced the old diode back. Heating up the area and testing was good. No Protect anymore.
For the people reading this:
I called B2, they normally mount a fan in front of the drive board to get rid of this problem. Drivers are 2092s.
The 10uf Cap makes the problem. If heat up, it starts leaking.
For the people reading this:
I called B2, they normally mount a fan in front of the drive board to get rid of this problem. Drivers are 2092s.
The 10uf Cap makes the problem. If heat up, it starts leaking.
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