Hypertherm HD4070 Rev.8 - Manual (Page 193)

MAINTENANCE
5-46 HD4070 Instruction Manual
8
THC Power Supply
The following connections are located on the power supply board located inside the control box. See figure and
table below. See control box figure on previous page for location.
THC.60
POWER SUPPLY
GND
229069
AC POWER IN
7,8 GND
9,10 GND
11,12 GND
13,14 +5V
15,16 +5V
5,6 +24V
3,4 -12V
1,2 +12V
4 PF
3 S-
2 S+
1 N/C
PWR FAIL
DC POWER OUT
PWR FAIL
TB2
TB1
Wire Connection Points/LEDs and Test Points
DC Wire Power Supply PCB Motor Drive PCB Control PCB
Power Color DC Power Out DC Power In DC Power In
+ 12 VDC Blue TB2-1 J8-3/D43 & TP6
Common White TB2-3 J8-4/D42 & TP5
+ 12 VDC Blue TB2-2 J1-3/TP4
Common White TB2-4 J1-4/TP2
+ 24 VDC Blue TB2-5 J8-5/D41 & TP4
Ground White TB2-7 J8-6/TP3 Ground
+ 24 VDC Blue TB2-6 J8-7
+ 24 VDC Blue J1-5/TP6 J8-8
Ground White TB2-8 J1-6/TP5 Ground
Ground White TB2-11 J8-2 Ground
+ 5 VDC Blue TB2-15 J8-1/D44 & TP7
Ground White TB2-12 J1-2 Ground
+ 5 VDC Blue TB2-16 J1-1/TP1
+ 5 VDC Blue TB2-13 Resistor 1 mounted
Ground White TB2-10 on heatsink
DC Power, LEDs and Test Points