Pvelectronics Nixie Large Tube Clock Assembly Instructions And User Manual Download Page 8

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Nixie Tube Clock ‘LTC’

Issue 1 (1 November 2011)

www.pvelectronics.co.uk

- 8 -

3.2 Parts list / Packing sheet

Part Description

Quantity

Resistors

270Ω, ¼ Watt

4.3KΩ, ¼ Watt

390KΩ, ¼ Watt

620KΩ, ¼ Watt

Capacitors

470µF, 16-25V, Electrolytic

100µF, 16-25V, Electrolytic

1µF, 250V, Electrolytic

100nF, Ceramic

33pF, Ceramic

0.1F

330pF, Ceramic

Transistors

IRFxxx MOSFET

BC639

BC640

MPSA42

MPSA92

Diodes

1N5819

UF4004 Fast recovery diode

5mm Green LED

5mm Orange LED

Integrated Circuits

7805 5V Voltage regulator

MC34063A

PIC16Fxxxx 8-bit Microcontroller

74141 / K155ID1 Nixie driver

Miscellaneous

100 µH Axial inductor

6mm Wire ended neon lamp

Miniature push button

1K Potentiometer

8 Way DIP IC Socket

28 Way DIP IC Socket

16 Way DIP IC Socket

2.1mm PCB Power socket

6 Way mini DIN PCB socket

Piezo sounder

500mA Resettable fuse

6 cm Clear insulation

32.768KHz watch crystal

1mm Socket receptacles

Summary of Contents for Nixie Large Tube Clock

Page 1: ...Nixie Tube Clock LTC Issue 1 1 November 2011 www pvelectronics co uk 1 Assembly Instructions And User Guide Nixie Clock Type Large Tube Clock...

Page 2: ...Nixie Tube Clock LTC Issue 1 1 November 2011 www pvelectronics co uk 2 REVISION HISTORY Issue Number Date Reason for Issue 1 1 November 2011 New document...

Page 3: ...each minute Attractive LED tube lighting Uses a Quartz Crystal Oscillator as the timebase Optional DCF WWVB MSF GPS synchronisation with status indicator LED Supercapacitor backup Keeps time during sh...

Page 4: ...fore proceeding The voltages generated 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 electroni...

Page 5: ...ork with Desoldering wick braid can be useful if you accidentally create solder bridges between adjacent solder joints 2 3 Other items you will need The clock kit does not include a power adapter This...

Page 6: ...R38 R39 270 Watt Capacitors C1 470 F 16 25V Electrolytic C2 100 F 16 25V Electrolytic C3 330pF Ceramic C4 100nF Ceramic C5 470 F 16 25V Low ESR C6 33pF Ceramic C7 100nF Ceramic C8 1 F 250V Electrolyt...

Page 7: ...ulation Clear insulation for neons X1 32 768KHz Watch crystal Socket receptacles 66 X 1mm Socket receptacles Lighting Pack The optional pack contains the extra components needed for the tube underligh...

Page 8: ...640 1 MPSA42 7 MPSA92 3 Diodes 1N5819 2 UF4004 Fast recovery diode 1 5mm Green LED 1 5mm Orange LED 1 Integrated Circuits 7805 5V Voltage regulator 1 MC34063A 1 PIC16Fxxxx 8 bit Microcontroller 1 7414...

Page 9: ...rple 20 2N7000 MOSFET 1 It is recommended that the kit is checked against the lists above to ensure all parts are present before commencing assembly Don t be alarmed if there are some extra components...

Page 10: ...There are 66 individual sockets that need to be soldered in The best method is as follows Place all sockets into the holes noting that for each tube there are three holes that have no socket as marked...

Page 11: ...D1 and D2 Align the white band on the components with the band marked on the PCB Proceed to mount the other components of this step The two capacitors are polarised the longer lead goes in the hole ma...

Page 12: ...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 you...

Page 13: ...Inductor C5 470 F C8 1 F VR1 1K Pot 4 6 High Voltage Generator Test Refer to the warnings on page 4 Power up the PCB and using the GND and 170V test points measure the high voltage generated It shoul...

Page 14: ...o uk 14 4 7 Sockets for IC3 IC4 IC5 Align the notch on the body of each socket with the corrsponding mark on the PCB 4 8 R6 R7 R38 R39 all 270 R8 R9 R12 R13 R14 R21 R28 all 4 3K R15 R16 R17 R29 R30 al...

Page 15: ...ctly Making the test at this point before the remaining components are installed will make troubleshooting and diagnosis simpler if there is a problem Insert IC3 PIC16F1936 and IC4 IC5 both K155ID1 in...

Page 16: ...n t be using a Radio Time Receiver Module then you can omit the GPS RFT Connector and LED D4 C9 is a polarised component The arrows on the component body should match the arrows on the PCB marking If...

Page 17: ...2 5 3 DCF WWVB MSF Receiver Components If you will be using a DCF WWVB or MSF time receiver module install the following component C13 100nF 5 2 Tube Underlighting Pack Q14 2N7000 R31 R36 all 270 D6A...

Page 18: ...ting in one direction on the underside of the LED With a fine soldering iron tip melt a small amount of solder onto the three cathode pads of the PCB at a single tube location Using tweezers place the...

Page 19: ...ton a further 2 seconds until the clock displays in this format 00 XX 99 The 99 in the seconds digits tells you that you are in the configuration menu In configuration mode the hours digits diplay the...

Page 20: ...lon neons mode 0 AM PM Indication flashing 1 AM PM Indication illuminated 2 Both flash default 3 Both illuminated 4 Both off 11 Colon neons during night dimmed mode 2 0 AM PM Indication flashing 1 AM...

Page 21: ...when night mode is set to dim During night time blanking the tubes AND neons are disabled 3 Clock is fully functional without WWVB DCF MSF GPS synchronisation Set time manually 4 Enter your time zone...

Page 22: ...Auto Date Display Setting parameter 18 to 1 will enable auto display of date between 50 and 55 seconds past each minute Night Blanking Override During programmed night blanking the blanking may be ov...

Page 23: ...the product either direct or from an authorised distributor or reseller During the first 45 days of product use the clock may stop displaying the time and display a 6 digit security code This is a sel...

Page 24: ...time transmitted by the DCF transmitter o France has no offset from the time transmitted by the DCF transmitter Set parameter 16 to identify whether the offset is minus 0 or positive 1 of the time so...

Page 25: ...erted format and this is the format the clock can decode If you are using our module and 3 metre extension cable proceed to step 8 4 If you are wiring in the module close to the main clock PCB or by d...

Page 26: ...le Identify the Black Orange Yellow and Brown cables and clip off all the rest as they are not required Now connect the cables to the module as shown below It is not necessary to feed the cables into...

Page 27: ...eiver to the clock PCB directly or without using our mini DIN extension cable The following connections are required for connecting a DCF WWVB MSF receiver module Bare PCB and DIN Socket connections M...

Page 28: ...ly from PV Electronics It may be possible to connect other GPS receivers with the following specification Power consumption max 50mA Supply voltage 5V Output signal levels RS232 or TTL Serial baud rat...

Page 29: ...hours and 24 hours ago and off if the last synchronisation is older than 24 hours Whilst seeking DCF WWVB or MSF the LED will flash very briefly once per second Additionally the indicator will flash r...

Page 30: ...Nixie Tube Clock LTC Issue 1 1 November 2011 www pvelectronics co uk 30 9 CIRCUIT DIAGRAM...

Page 31: ...Nixie Tube Clock LTC Issue 1 1 November 2011 www pvelectronics co uk 31...

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