Nixie Tube Clock ‘Quattro'
ISSUE 3 (01 November 2018)
www.pvelectronics.co.uk
- 7 -
Quick Assembly Guide
1.0 Low Voltage Components:
J1, Fuse, D1 - D3, C1, C2, IC1.
Test 5V test point for 5.4 - 5.7V.
If you do not get the correct voltage, do not continue. Stop and
check your work, and email for support if necessary.
1.1 High Voltage Components:
C3, C4, R1- R4, D4, L1, ZD1, Q1, IC2 / IC2 socket.
The two joined pins on Q1 face the inductor.
Test HV Point for 168 - 172V.
If you do not get the correct voltage, do not continue. Stop and
check your work, and email for support if necessary.
1.2 All remaining components except Tubes and LEDs
1.3 Z570M, Z573M, ZM1080, ZM1082, GN9A Nixie Tubes.
It is necessary to clip off two of the Z570M and equivalent tube
leads: Clip off the two leads as shown below:
This is how the tube will look after removing the leads:
