Electronic System
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Pin 1: DC +118V(+131V)
Pin 2: DC +49V(+11.5V)
Pin 3: DC +49V(+11.5V)
Note: When staring the Deuterium lamp, the voltage refer in the ( ).
J8---To Tungsten Lamp
Pin 1: DC +11V
Pin 2: GND
J9---From Main CPU PCB
Pin 1, 2: DC +5V
Pin 3: DC +3.85V(+5V)
Pin 4: DC +5V(+3.85V)
Note: 1. If the voltage of pin 3 is +3.85V, the Deuterium lamps is on, or
it is off.
2. If the voltage of pin 4 is +5V, the Tungsten lamps is on, or it is
off.
J10---To 2SC2625 of Tungsten Lamp
Pin 1: DC +18V
Pin 2: DC +10.8V
Pin 3: DC +10.5V
J11---To Cooling Fan
Pin 1: DC +12V
Pin 2: GND
5.1.2 Power Distributing PCB(SST8.411.130A)
The layout of the Power Distributing PCB is shown in figure 5.9
Figure 5.9 Layout of Power Distributing PCB
The sockets description of the Power Distributing PCB as follow:
J1---From Switch Power Supply
Pin 1: DC -12V
Pin 2, 6, 7: DC +5V