Pvelectronics Spectrum 18 Konfigurationshandbuch

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 1 -

Assembly I structio s

A d

User Guide

Nixie Clock Type

‘Spectrum 18’

‘Spectrum 1040’

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 2 -

REVISION HISTORY

Issue

Number

Date Reaso for Issue

7 15 June 18 Added XTERNA support

6 20 July 2016 Specifics for ne Stainless Steel Case

5 15 October 2015 Ne PCB Dated 1 Oct 15

Alarm Aux removed

HV Disable Pads removed

For firm are V2.0 on ards

4 20 August 2015 Minor errors corrected

3 1 June 2015 Changed resistor values

2 15 Feb 2015 Errors in Resistor values corrected

Resistor net orks not polarized

1 10 Feb 2015 Ne document

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 3 -

1. INTRODUCTION

Here are the key features of the SPECTRUM 18 / 1040:

 Hours, Minutes and Seconds display

 40mm (1.5”) Digit height (Spectrum 18)

 30mm (1.2”) Digit height (Spectrum 1040)

 Dedicated, plug-in High Voltage Module (Included)

 Noiseless, Direct Drive giving optimum digit clarity

 Uses a Quartz Crystal Oscillator as the timebase

 12 or 24 hour modes

 Programmable leading zero blanking

 Date display in either DD.MM.YY or MM.DD.YY or YY.MM.DD format

 Programmable date display each minute

 Scrolling display of date or standard display

 Alarm, ith programmable snooze period

 Optional GPS / WiFi / XTERNA

synchronisation ith status indicator LED

 Dedicated DST button to s itch bet een DST and standard time

 Supercapacitor backup. Keeps time during short po er outages

 PIR Motion Sensor input and accessory available. Configurable timeout

period

 Simple time setting using t o buttons

 Configurable for leading zero blanking

 Double dot colon neon lamps

 11 colon neon modes including AM / PM indication (top / bottom or left /

right), railroad (slo or fast) etc.

 Seconds can be reset to zero to precisely the set time

 Programmable night mode - blanked or dimmed display to save tubes or

prevent sleep disturbance

 Rear Indicator LEDs dim at night to prevent sleep disturbance

 Weekday a are ‘Master Blank’ function to turn off tubes and LEDs on

eekends or during orking hours

 Separate modes for colon neons during night mode

 Standard, fading, or crossfading ith scrollback display modes

 ‘Slot Machine’ Cathode poisoning prevention routine

 Programmable RGB tube lighting – select your favourite colour palette

 729 colours possible. Have a different colour or your choosing every

hour, or autochanging colours

 Provision for adding s itch for independently s itching off RGB LEDs

 Not AC frequency dependent – orks in all countries

 All user preferences stored to non-volatile memory

 Additional ireless functions if XTERNA module used:

- Display of outdoor temperature in Celsius or Fahrenheit. Configurable.

- Min / Max temperature in last 24 hours

- Wireless, Auto Sync of time from GPS ith auxilliary TCXO

- GPS Sync time, and time since last GPS Fix

- Voltage of XTERNA module battery

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 4 -

1.4 SAFETY

DANGER: The clock pcb includes a s itched-mode voltage booster

circuit. This generates nominally 170 Volts DC. Assembly may only be

undertaken by individuals ho are suitably qualified and experienced in

electronics assembly, and are familiar ith safe procedures for orking

ith high voltages. If in doubt, refer to a suitably qualified engineer

before proceeding.

The voltages ge erated by this circuit ca give a pote tially

LETHAL ELECTRIC SHOCK.

DISCLAIMER: This product is supplied as a kit of parts, intended only for

suitably qualified electronic engineers, ho are suitably qualified and

experienced in electronics assembly, and are familiar ith safe

procedures for orking ith high voltages. The supplier, his agents or

associates accept no liability for any damage, injury or death arising from

the use of this kit of parts.

This is not a finished product, and the person assembling the kit is

responsible for ensuring that the finished product complies ith any

applicable local regulations governing electrical equipment, eg. UL, CE,

VDE.

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 5 -

2. TOOLS AND EQUIPMENT REQUIRED

2.1 Tools required to assemble the PCB.

The follo ing tools ill be required to assemble the PCB:

- Soldering iron ith a small tip (1-2 mm).

- Wire cutters to trim the excess component leads after soldering.

(TIP: A small pair of nail clippers orks very ell for this function).

- Wire strippers (TIP: A small pair of scissors is quite suitable).

- Multimeter for voltage tests and for identifying the resistors.

- A small hot air gun ill be needed to shrink the heat shrink tubing

over the neon lamp ires.

2.2 Materials you will eed.

Solder – lead / tin solder is highly recommended.

USE LEAD/ TIN SOLDER!

Lead free solder, as no required to be used in commercial products in

Europe, has a much higher melting point and can be very hard to ork

ith.

Desoldering ick (braid) can be useful if you accidentally create solder

bridges bet een adjacent solder joints.

2.3 Other items you will eed.

The clock kit does not include a po er adapter.

The follo ing type of adapter should be obtained and used ith the kit:

Output 12V DC regulated, minimum power output capability of 1A

Output plug: 2.1mm pin, centre positive.

A suitable adapter is sho n belo :

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 6 -

3. LIST OF COMPONENTS

3.1 Table of Compo e ts – Driver Board

Circuit Desig atio Part Descriptio

Resistors

R1 6.8 KΩ, ¼ Watt

R2 – R7 8.2 KΩ, ¼ Watt

R8 – R11 270 KΩ, ¼ Watt

R12 – R14 270 Ω, ¼ Watt

R16 10 KΩ, ¼ Watt

R17 – R19 270 Ω, ¼ Watt

R20 1 KΩ, ¼ Watt

RN1 – RN6 Quad Resistor Net ork, 220Ω

Capacitors

C1, C2 220uF Electrolytic 16-25V

C3 10pF Ceramic

C4 15pF Ceramic

C5 100nF Ceramic

C6 0.1F or 0.22F Supercapacitor

C7 – C9 100nF

Transistors

Q1 MPSA42

Q2 – Q4 2N7000 MOSFET

Diodes

D1 – D3 1N5819

D4 5mm Yello LED

D5 5mm Green LED

D6 5mm Yello LED

RGB1 – RGB8 RGB 5mm LED, common anode

Integrated Circuits

IC1 LM2576 5V voltage regulator

IC2 PIC16F1938 in socket

IC3, IC4 HV5622 in socket

IC5 Not Installed

Miscellaneous

L1 100uH inductor

AM1, PM1, AM2, PM2 4mm ire ended neon lamp

ALARM, SET, ADJ, DST Miniature push button

IC2 Socket 28 Way narro IC socket for IC2

IC3, IC4 Socket PLCC44 IC socket for IC3

J1 (12V IN Socket) 2.1mm PCB po er socket

GPS / RFT and GPS2 Surface mount 3.5mm jack socket

PIR and PIR2 Surface mount 3.5mm jack socket

LS1 Piezo sounder

FUSE 500mA fuse

VR1 1KΩ Potentiometer

X1 32.768KHz atch crystal

HV Module High Voltage Module in header

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

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3.2 Parts list / Packi g Sheet - Compo e t Bag

Part Descriptio Qua tity

Resistors

270 Ω, ¼ Watt 6

6.8 KΩ, ¼ Watt 1

8.2 KΩ, ¼ Watt 6

10 KΩ, ¼ Watt 1

1KΩ, ¼ Watt 1

270 KΩ, ¼ Watt 4

220 Ω Resistor Net ork 6

Capacitors

10pF, Ceramic 1

15pF, Ceramic 1

100nF, Ceramic 4

220uF, 16-25V, Electrolytic 2

0.1F or 0.22F 1

Transistors

MPSA42 1

2N7000 MOSFET 3

Diodes

1N5819 3

5mm Green LED 1

5mm Yello LED 2

5mm RGB LED 6

Integrated Circuits

LM2576 5V voltage regulator 1

PIC16F1938 8-bit microcontroller 1

HV5622 2

Miscellaneous

100uH inductor 1

4mm ire ended neon lamp 4

Miniature push button 4

28 ay narro IC Socket for IC2 1

PLCC44 IC Socket 2

2.1mm PCB po er socket 1

Surface mount 3.5mm jack socket 2

Piezo sounder 1

1A fuse 1

1KΩ Potentiometer 1

2 ay header ith jumper 1

6 ay female header 0.1” 1

32.768KHz atch crystal 1

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 8 -

3.3 Parts list / Packi g Sheet - Additio al parts

 PCB

 6 X 15mm M3 hex spacers ith scre s

 HV Module ith male header

 2 X Glass neon covers

 30cm Clear heat shrink insulation for neons

 6 X Socket holders and 66 sockets

The resistors used in the kit are 1% tolerance metal film. They are

marked ith 4 coloured bands to identify the value. Ho ever it is

sometimes unclear in hich direction the bands should be read.

Therefore, e recommend that the resistors be identified ith a

multimeter.

Please note the fuse ill look like one of the pictures belo . It can

easily be confused for a capacitor. It is a self-resetting fuse.

3.4 SPECIAL NOTE - IMPORTANT:

Please note that several components can be possibly mounted on

either side of the PCB, and hite component print for the part is on

both sides of the PCB. This is to offer maxiumum flexibility of the

kit: For our clear cases, most components ill be soldered on the

top (tube) side of the PCB, so they are visible on the finished clock.

Ho ever, for the Viso case and for customers making their o n

case, it is possible to mount some of the taller components on the

bottom of the PCB, so that the PCB can fit inside a case ith the

tubes protruding. Please follo carefully the instructions. Unless

specified other ise, please solder all components on the top of the

PCB.

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 9 -

4. ASSEMBLY OF THE PCB

DUE TO PRODUCT DEVELOPMENT AND IMPROVEMENTS,

YOUR PCB MAY NOT LOOK EXACTLY LIKE THE ONE

PICTURED.

4.1 Assembly of the tube sockets

Remove the protective film from both sides of the six laser-cut

tube socket holders and identify the side that is engraved

‘SOCKETS THIS SIDE’ or simply 'SKT'.

For each socket holder, you need to push in 11 socket receptacles.

Push them in from the ‘SOCKETS THIS SIDE’ side. Push them ith

the 2 open ja s going in first. Look at the photo belo .

Nixie Tube Clock ‘Spectrum 18 / 1040’

Issue 7 (15 Ju e 2018)

www.pvelectronics.co.uk

- 10 -

Push all the sockets firmly into place until they stop. You ill end

up ith 6 socket assemblies. Put them to one side. Do not solder

them to the PCB yet.

4.2 Resistor Networks RN1 – RN6

Solder the 6 resistor net orks on the bottom side of the PCB as

sho n belo . These parts are not polarized, so the orientation

does not matter.

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