Pvelectronics Nixie FunKlock Guía de configuración

‘FunKlock’

Issue 5 (14 November 2019)

www.pvelectronics.co.uk

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Assembly Instructions

User Gui e

Nixie FunKlock

For Parts Bags Serial Numbers 4000 onwar s

‘FunKlock’

Issue 5 (14 November 2019)

www.pvelectronics.co.uk

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REVISION HISTORY

Issue

Number

Date Reason for Issue

5 14 Nov 2019 Added support for DekaDuo and 3 way header

to PCB

4 1 ebruary 2017 New diode for D2

3 27 December 2013 C7 / C8 error page 15

2 7 November 2013 Errors corrected

1 1 November 2013 New document

‘FunKlock’

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1. INTRODUCTION

1.1 Nixie FunKlock - Features

- Hours, Minutes and Seconds display on four IN-12 Nixie Tubes

- Uses a Quartz Crystal Oscillator as the timebase

- Programmable leading zero blanking

- Supercapacitor backup. Keeps time during short power outages

- Simple time setting using two buttons

- Variable intensity LED backlighing in a variety of colour options

- Programmable leading zero blanking

- ive programmable neon colon settings ( lashing AM/PM indication,

illuminated AM/PM indication, both flashing, both on, both off)

- 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.

- Separate modes for colon neons during night mode

- Standard, or scrollback display modes

- ‘Slot Machine’ Cathode poisoning prevention routine

- Not AC frequency dependent – works in all countries

- All user preferences stored to non-volatile memory

- Timekeeping trimmable in configuration setup

- Dedicated 3 way header to power and Synchronise our DekaDuo

Dekatron driver.

‘FunKlock’

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1.3 SAFETY

DANGER: The clock pcb includes a switched-mode voltage booster

circuit. This generates nominally 170 Volts DC, but is capable of

generating up to 300 Volts before adjustment. Assembly may only be

undertaken by individuals who are suitably qualified and experienced in

electronics assembly, and are familiar with safe procedures for working

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

before proceeding.

The voltages generate by this circuit can give a potentially

LETHAL ELECTRIC SHOCK.

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

suitably qualified electronic engineers, who are suitably qualified and

experienced in electronics assembly, and are familiar with safe

procedures for working with 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 with any

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

VDE.

‘FunKlock’

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2. TOOLS AND EQUIPMENT REQUIRED

2.1 Tools require to assemble the PCB.

The following tools will be required to assemble the PCB:

- Soldering iron with a small tip (1-2 mm)

- Wire cutters (TIP: A small pair of nail clippers works very well for this

function)

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

- Multimeter for voltage tests and for identifying the resistors.

- Small flat screwdriver for adjusting the high voltage supply

2.2 Materials you will nee .

Solder – lead / tin solder is preferred. Lead free solder, as now required

to be used in commercial products in Europe, has a much higher melting

point and can be very hard to work with.

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

bridges between adjacent solder joints.

2.3 Other items you will nee

The clock kit does not include a power adapter. This is because the kit is

sold to many countries around the world, each with very different

household mains outlet socket types.

The suitable type of power adapter can be obtained at very low cost. The

following specification of adapter should be obtained and used with the

kit:

Output 12V DC regulated, minimum output capability of 300 mA

Output plug: 2.1mm pin, centre positi e.

There is no maximum power output for the adapter as the clock only

draws what it needs.

A suitable adapter is shown below:

‘FunKlock’

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3. LIST OF COMPONENTS

3.1 Table of Electronic Components

Circuit Designation Part Description

Resistors

R1 4.7K, ¼ Watt

R2 390K, ¼ Watt

R3, R4, R5 4.7K, ¼ Watt

R6 - R9 1K or 1.1K, ¼ Watt

R10 - R13 2.7K, ¼ Watt

R14, R15 4.7K, ¼ Watt

R16, R17 390K, ¼ Watt

R18, R19 270R 1/4 Watt

Capacitors

C1, C2 100n Ceramic

C3 1u 250V Electrolytic

C4 220u 16-25V Electrolytic

C5 15p Ceramic

C6 33p Ceramic

C7 100n Ceramic

C8 0.1 or 0.22

Transistors

Q1 IR D220 MOS ET

Q2 – Q5 EL817 Optocoupler

Q6, Q7, Q8 MPSA42 NPN

Diodes

D1, D3 1N5819

D2 1N4001

D4 U 4004

D5 - D8 3mm LED (various colours)

Integrated Circuits

IC1 78L05 5V voltage regulator

IC2 PIC16 xxxx 8-bit microcontroller

IC3 74141 / K155ID1 Nixie driver

Miscellaneous

L1 100uH Radial Inductor

AM, PM 4mm wire ended neon lamp

SET, ADJ Miniature push button

IC Socket for IC2 28 Way IC socket for IC2

J1 2.1mm PCB power socket

J2, J5 10 way pin header

J3, J4 10 way socket

USE 500mA fuse

Insulation Clear insulation for neons

X1 32.768KHz watch crystal

Misc 44 X 1mm sockets

Deka 3 way 0.1” Male Header for

DekaDuo

‘FunKlock’

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3.2 Electronic Components Parts List / Packing Sheet

Part Description Quantity

Resistors

270R, ¼ Watt 2

1K or 1.1K, ¼ Watt 4

2.7K, ¼ Watt 4

4.7K, ¼ Watt 6

390K, ¼ Watt 3

Capacitors

220u , 16-25V, Electrolytic 1

1u 250V, Electrolytic 1

100n Ceramic 3

15p Ceramic 1

33p Ceramic 1

0.1 or 0.22 1

Transistors

IR D220 MOS ET 1

EL817 4

MPSA42 NPN 3

Diodes

1N5819 2

1N4001 1

U 4004 fast recovery diode 1

3mm LED (various colours available) 4

Integrated Circuits

78L05 5V voltage regulator 1

PIC16 xxxx 8-bit microcontroller 1

74141 / K155ID1 Nixie driver 1

Miscellaneous

100uH Radial inductor 1

4mm wire ended neon lamp 2

Miniature push button 2

28 Way IC socket for IC3 1

2.1mm Chassis power socket 1

500mA fuse 1

6 cm clear insulation 1

10 way female socket 2

10 way male socket 2

1mm socket receptacle 44

32.768KHz watch crystal 1

3 way 0.1” Male header 1

It is recommended that the kit is checked against the list above, to

ensure all parts are present before commencing assembly. Don’t be

‘FunKlock’

Issue 5 (

14 November 2019

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alarmed if there are some extra components, as some component

bags are shared between different kit types.

The resi

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

marked with 4 coloured bands to identify the value. However it is

sometimes unclear in which direction the bands should be read.

Therefore, we recommend that the resistors be identified with a

multimeter.

The fuse is a self-

resetting type and can be confused for a resistor.

This is what it looks like:

Q1 (IR D220) is in a very similar package to Q2

can tell the difference, in addition to the part marking by looking at

the

pins. Q1 has two pins that are actually joined at the resin body.

Q2 -

Q5 have 4 separate pins.

Inductor L1 may be one of three types

14 November 2019

)

alarmed if there are some extra components, as some component

bags are shared between different kit types.

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

marked with 4 coloured bands to identify the value. However it is

sometimes unclear in which direction the bands should be read.

Therefore, we recommend that the resistors be identified with a

resetting type and can be confused for a resistor.

This is what it looks like:

Q1 (IR D220) is in a very similar package to Q2

Q5 (EL817). You

can tell the difference, in addition to the part marking by looking at

pins. Q1 has two pins that are actually joined at the resin body.

Q5 have 4 separate pins.

Inductor L1 may be one of three types

- 8 -

alarmed if there are some extra components, as some component

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

marked with 4 coloured bands to identify the value. However it is

sometimes unclear in which direction the bands should be read.

Therefore, we recommend that the resistors be identified with a

resetting type and can be confused for a resistor.

Q5 (EL817). You

can tell the difference, in addition to the part marking by looking at

pins. Q1 has two pins that are actually joined at the resin body.

‘FunKlock’

Issue 5 (14 November 2019)

www.pvelectronics.co.uk

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4. ASSEMBLY OF THE PCB

The PCB is supplied as a single board, with a V-score to break in

half. Simply bend at the score line and the PCB will split into two

parts. Start work below on the tube board:

4.1 1mm Sockets For Nixie Tubes

There are 44 individual sockets that need to be placed. Note that

there is 1 hole per tube with NO SOCKET.

Insert the sockets from the side shown below:

Then place a hard flat object over the sockets and flip over the PCB

and solder the sockets in place as shown below:

‘FunKlock’

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4.2 Low Voltage Power components:

J1, FUSE,

D1, D3 (1N5819)

D2 (1N4001)

IC1 (78L05)

C1, C2 (100 nF)

Start by installing D1-D3. Align the white band on the components

with the band marked on the PCB.

Continue to mount C1, C2, J1, IC1 and USE. Note that J1, the DC

power socket, is mounted on the opposite side of the PCB to the

other components.

4.2 Testing Low Voltage.

Identify the test 5V, GND and 170V test points as shown below.

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