tim van boekel
Beginner
Hello everyone,
I am new to the forum. I normally repair pinball machines, but now I have an arcade machine from a friend with some problems.
This is a Hantarex Polo 15/25 khz auto switch. it has a vertical colapese and I solved this, but now I have the following problem:
the diode D16 after the power supply is defect. When replacing the diode and switching on the chassis, it goes up in smoke. I disconnected L13 on one side because VA+ VB+ and VH+ pass along this coil. the diode now remains intact. What I did see is that the flyback has been replaced by a TH7375 and that this does not correspond to the diagram. But the chassis just worked fine in the past.
Can anyone help me on how to search and measure this problem,
thanks in avance
regards tim
I am new to the forum. I normally repair pinball machines, but now I have an arcade machine from a friend with some problems.
This is a Hantarex Polo 15/25 khz auto switch. it has a vertical colapese and I solved this, but now I have the following problem:
the diode D16 after the power supply is defect. When replacing the diode and switching on the chassis, it goes up in smoke. I disconnected L13 on one side because VA+ VB+ and VH+ pass along this coil. the diode now remains intact. What I did see is that the flyback has been replaced by a TH7375 and that this does not correspond to the diagram. But the chassis just worked fine in the past.
Can anyone help me on how to search and measure this problem,
thanks in avance
regards tim
