Nixie Tube Clock ‘Halo’
Issue 3 (01 Nov 2018)
www.pvelectronics.co.uk
- 13 -
4.2 Testing Stage 1 Power Components.
Identify the test GND, 5V and 170V test points as shown below.
Plug in the power supply, and then test using a DC voltmeter: Touch the
black probe on the GND test point and the red probe on the 5V test point.
The voltage should measure between 4.9 and 5.1 Volts. If not, disconnect
power and check your work. Do not proceed with the assembly until the
error is corrected. Once the test is completed, disconnect the power.
4.3
High Voltage Generator components.
Socket for IC2
R1, R2 - 560Ω
R3 - 4.3KΩ
R4 - 620KΩ
R5 - 4.3KΩ