PV Electronics Nixie FunKlock Assembly Instructions And User Manual Download Page 22

Page: 22 / 25

‘FunKlock’

Issue 5 (14 November 2019)

www.pvelectronics.co.uk

- 22 -

CONNECTING OUR DEKATRON DRIVER

The clock can be connected by just 3 wires to our DekaDuo Dual
OG4 Dekatron Driver. Solder the 3 way header as shown below.
Control of the Dekatron in night modes is possible using parameter
16.

Summary of Contents for Nixie FunKlock

Page 1: ... FunKlock Issue 5 14 November 2019 www pvelectronics co uk 1 Assembly Instructions And User Guide Nixie FunKlock For Parts Bags Serial Numbers 4000 onwards ...

Page 2: ...k 2 REVISION HISTORY Issue Number Date Reason for Issue 5 14 Nov 2019 Added support for DekaDuo and 3 way header to PCB 4 1 February 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 ...

Page 3: ... blanking Five programmable neon colon settings Flashing 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 p...

Page 4: ... 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 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 liabilit...

Page 5: ... 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 need 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 ...

Page 6: ...mic C8 0 1F or 0 22F Transistors Q1 IRFD220 MOSFET Q2 Q5 EL817 Optocoupler Q6 Q7 Q8 MPSA42 NPN Diodes D1 D3 1N5819 D2 1N4001 D4 UF4004 D5 D8 3mm LED various colours Integrated Circuits IC1 78L05 5V voltage regulator IC2 PIC16Fxxxx 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 IC...

Page 7: ...1 UF4004 fast recovery diode 1 3mm LED various colours available 4 Integrated Circuits 78L05 5V voltage regulator 1 PIC16Fxxxx 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 soc...

Page 8: ...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 IRFD220 is in a very similar package to Q2 Q5 EL817 You can tell t...

Page 9: ...e 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 ...

Page 10: ...5 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 FUSE 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 ...

Page 11: ...ld measure between 5 Volts If not disconnect power and check your work Do not proceed with the assembly until the error is corrected he test is completed disconnect the power High Voltage Generator components µH Inductor ay attention to mount D4 with the white band aligned with the Insert the 28 way IC socket into the PCB at the IC2 position ensuring that the notch at one end is aligned with the c...

Page 12: ...Issue 5 14 November 2019 www pvelectronics co uk 12 C3 and C4 are polarised so must be inserted the right way round The white stripe on the body of the component must be next to the corresponding white marking on ...

Page 13: ...nerated It should be between 167 and 173V Disconnect the power supply Finally remove IC2 from its socket and replace on its static protective foam It is best kept safe until needed for the tube tests later in the assembly If you do not get this voltage disconnect the power supply and check your work carefully Do not proceed until you get the correct voltage at this stage 4 5 Nixie Driver IC3 K155I...

Page 14: ...r with the corresponding PCB mark 4 7 Board Connectors J2 J5 10 Way female connector J3 J4 10 Way male connector At this point you will join the 2 PCBs together with the 10 way connectors Slide the connectors together as shown below Place the connectors into the main component PCB with the male connector in this PCB so that when you place the tube PCB over the top the female connectors go into the...

Page 15: ...he four top corner pins in place and then the four bottom corner pins first so the connectors are anchored Then you can solder all the remaining pins After soldering the PCBs can be split into 2 parts again 4 8 X1 32 768 KHz Crystal C5 15pF C6 33pF R4 R5 R14 R15 4 7 KΩ R18 R19 270 Ω Do not solder the body of the crystal to the PCB just lay it over the large rectangular pad 4 9 Q6 Q8 MPSA42 Ensure ...

Page 16: ...y now be pulled apart for the rest of the assembly 4 11 C7 100 nF C8 0 1 F or 0 22 F There are arrows on the component that need to be pointing the same way as the arrows on the PCB Simply solder the component in place ensuring the arrows match up Keep the component as close to the PCB as possible so it does not prevent the tube PCB from fitting correctly 4 12 SET ADJ push buttons The two push but...

Page 17: ...ce 4 14 Tube Test The clock is now ready for final powering up Insert 4 IN 12 or other compatible tubes into the tube sockets If you look inside the tubes you can see the correct orientation of the digits Insert the 4 tubes and THEN assemble the 2 PCBs together ensuring the 4 LEDs go into the holes in the tube PCB Power up the PCB with a 12V DC supply centre positive Take great care not to touch l...

Page 18: ...t 00 XX XX is the software verson eg 11 means version 1 1 In configuration mode the hours digits diplay the current parameter being adjusted and the minutes digits display the current value stored against the parameter For each parameter and referring to the table below scroll through the range of possible values by pressing the ADJ button When the desired value has been reached move on to the nex...

Page 19: ...rity 0 Make clock slower 1 Make clock faster 12 Slots Mode2 0 Slots disabled 1 Slots every minute 2 Slots every 10 minutes default 3 Slots every hour 4 Slots at midnight 13 Display Mode 0 Standard change of digits 1 Cross fading digits with scrollback effect default 14 Seconds display each minute 0 Off 1 On default 3 15 Night Mode Override Period 0 50 default 0 gives 15 seconds override 4 16 Dekat...

Page 20: ...lock Issue 5 14 November 2019 www pvelectronics co uk 20 5 Set this parameter to 1 to restore original default settings Internal operations will then load all the original settings and restore the value to 0 ...

Page 21: ... again and the minutes will be highlighted Press the ADJ button to set the minutes Briefly Press SET again and the hours will be highlighted Press the ADJ button to set the hours Finally briefly Press SET again to revert to normal clock operation Night Blanking Override During programmed night blanking the blanking may be overridden to see the time by briefly pressing the SET button Tubes will rem...

Page 22: ...lectronics co uk 22 6 CONNECTING OUR DEKATRON DRIVER The clock can be connected by just 3 wires to our DekaDuo Dual OG4 Dekatron Driver Solder the 3 way header as shown below Control of the Dekatron in night modes is possible using parameter 16 ...

Page 23: ... FunKlock Issue 5 14 November 2019 www pvelectronics co uk 23 ...

Page 24: ... FunKlock Issue 5 14 November 2019 www pvelectronics co uk 24 7 CIRCUIT DIAGRAM ...

Page 25: ... FunKlock Issue 5 14 November 2019 www pvelectronics co uk 25 ...

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