Velleman K8099 Manuale utente

K8099

ILLUSTRATED ASSEMBLY MANUAL H8099IP-1

Total solder points: 230 + 74

Difficulty level: beginner 1 2 3 4 5 advanced

Aunique combination ofbothvintageand modernelectronics

* optional enclosure TKOK19 (black) - TKOK17 (white) ** optional plexiglass enlcosure B8099

NIXIE CLOCK

Grab your chance NOW, build your own nixie clock. Limited edition!

What are ‘nixie’-tubes ?

Nixie tubes are the ‘LED indicators’ of the past. In the 50’s, 60’s and early 70’s there were no LED’s or LCD’s. Neon gas

filled tubes were used to display numerical data. They were part of scientific equipment, counters, voltmeters, control panels

etc... Nixies feature a characteristic warm orange glow. They are no longer in production, which explains their price.

Features

 High Quality nixie tubes

 Microprocessor controlled

 Neon HH:MM separator

 Accurate timekeeping

 Economy “tube blank” option

Specifications



Display tubes: NOS Siemens ZM1336K

 Anode HT: +180VDC

 12h/24h displaying (selectable)

 50/60Hz AC power sync (auto-detect)

 Power supply: 9-12VAC / 300mA (option) (e.g. PS1205AC)

 Dimensions (lxwxh): 110x55x60mm

Optional enclosure (undrilled):



Black: TKOK19

 White: TKOK17

Optional enclosure (pre-drilled):



B8099

Features & Specifications

Assembly hints

1. Assembly (Skipping this can lead to troubles ! )

Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully.

1.1 Make sure you have the right tools:

• A good quality soldering iron (25-40W) with a small tip.

• Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will

protect the tip, and enables you to make good connections. When solder rolls off the tip, it needs cleaning.

• Thin raisin-core solder. Do not use any flux or grease.

• A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they

cannot fly towards the eyes.

• Needle nose pliers, for bending leads, or to hold components in place.

• Small blade and Phillips screwdrivers. A basic range is fine.

For some projects, a basic multi-meter is required, or might be handy

1.2 Assembly Hints :

⇒Make sure the skill level matches your experience, to avoid disappointments.

⇒Follow the instructions carefully. Read and understand the entire step before you perform each operation.

⇒Perform the assembly in the correct order as stated in this manual

⇒Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.

⇒Values on the circuit diagram are subject to changes.

⇒Values in this assembly guide are correct*

⇒Use the check-boxes to mark your progress.

⇒Please read the included information on safety and customer service

* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leaflet.

Assembly hints

1.3 Soldering Hints :

1- Mount the component against the PCB surface and carefully solder the leads

2- Make sure the solder joints are cone-shaped and shiny

3- Trim excess leads as close as possible to the solder joint

REMOVE THEM FROM THE TAPE ONE AT A TIME !

AXIAL COMPONENTS ARE TAPED IN THE

CORRECT MOUNTING SEQUENCE !

2. Horizontal resistors

R...

Construction

 D1 : 1N4007

 D2 : 1N4007

 D3 : 1N4007

 D4 : 1N4007

 D5 : 1N4148!!!

1. Diodes. Watch the polarity!

D...

CATHODE

 This kit generates high voltages. Always use a suitable enclosure for this kit!

 The Kit consists of 2 boards. One for the electronics and one for the Nixie, display tubes

Unpack, inspect and handle the tubes with care!

All components are mounted on a “double side” PC-board.

Components on double sided boards are hard to remove, therefore, DOUBLE check each component before soldering!!!

HINT : The display PCB for the tubes features a tube centre hole, this hole can be used as template to drill the tube holes in

the enclosure

IMPORTANT!

 R1 : 10K (1 - 0 - 3 - B)

 R2 : 10K (1 - 0 - 3 - B)

 R3 : 10K (1 - 0 - 3 - B)

 R4 : 10K (1 - 0 - 3 - B)

 R5 : 10K (1 - 0 - 3 - B)

 R6 : 100K (1 - 0 - 4 - B)

 R7 : 390K (3 - 9 - 4 - B)

 R8 : 1K (1 - 0 - 2 - B)

 R9 : 1K (1 - 0 - 2 - B)

 R10 : 1K (1 - 0 - 2 - B)

 R11 : 330K (3 - 3 - 4 - B)

 R12 : 10 (1 - 0 - 0 - B)

 R13 : 3K (3 - 0 - 0 - 1 - 1)

MAIN BOARD

 IC : 20p

4. IC socket. Watch the

position of the notch!

construction

 D6 :UF4007

3. Fast diode. Watch the

polarity!

 C1 : 100nF (104)

 C2 : 100nF (104)

 C3 : 100nF (104)

 C4 : 100nF (104)

 C5 : 100nF (104)

 C6 : 100pF (101)

5. Capacitors.

C...

 T1 : BC547

 T2 : BC547

 T3 : BC547

 T4 : BC557

 T5 ... T19 : MPSA42

 T20 ... T23 : MPSA92

8. Transistors

 R14 ... R31 : 10K (1 - 0 - 3 - B)

 R32 ... R35 : 22K (2 - 2 - 3 - B)

 R36 ... R39 : 220K (2 - 2 - 4 - B)

9. Vertical resistors

R...

 VR1 : 7805

6. Voltage regulator

 T24 : IRF830 or eq.

7. MOSFET transistors

 SW1 : set

10. Switch

If a steady "seconds"

Neon indicator is

wanted, then mount

a jumper at position

SK2.

15. Jumper

Construction

 IC1 : VK8099

(programmed PIC16F631-I/P)

16. IC. Watch the

position of the notch!

 F1 : 1A

14. Fuse.

 C7 : 220µF/25V

 C8 : 2.2µF to 4.7µF /

350V or higher

C...

 L1 : 330µH

12. Coil

17. Main board test

Connect a 12Vac (not DC!) adaptor to

the board. Carefully measure about

180Vdc between ground (eg metal part

of VR1) and cathode (white stripe) of D6.

In case of failure:

 Check the fuse

 Check the +5Vdc voltage over C2 & C4

 Position of IC1

 Solderings and component position

!!CAUTION HIGH VOLTAGES!!

DO NOT TOUCH THE BOARD

 SK1

11. Connector

13. Electrolytic Capacitor.

Watch the polarity !

Test & display

Solder the female header connector to the display board.

connections at solder side!

 Mount the nixie tubes as straight as possible

 Take care not to bend the leads!

 First solder 1 connection of EACH tube

 Align and straighten the tubes, then solder a second con-

nection

 Check the alignment again and solder the remaining con-

nections

DISPLAY PCB

2 Tubes

1. Female header connector

Mount the neon tube as

straight as possible.

3. Neon tube

Assembly & test

Cut the pin header at position 17 so that 16

contacts are left over.

Insert the header into the display board

connector.

Assemble both PCB’s using 4 spacers and 8

screws, make sure that the 16 pins come

through the main board holes.

Solder the connector to the main board, and cut

the connector left over.

ASSEMBLY

Connect the 12Vac to the board, if all works well, the displays should light. Check the user manual for further set-up

FINAL TEST

spacers

M3 6mm bolt

! use 16mm bolts if K8099

used with B8099

Configuring and setting

CONFIGURING AND SETTING YOUR CLOCK

Apply 9-12VAC.

The clock will display '50' or '60' for 3s, depending on the AC power

frequency (Hz) in your area. This indicates that the zero cross detection part

of the clock circuit is working fine.

(If the clock displays '00', you either applied a DC voltage instead of an AC

voltage, or there is a problem with the zero cross detection circuit T1, R1, R2,

R6, C3, D5)

DC applied or zero cross error

50Hz AC: OK

Next, the clock will show the display mode for 3s

Press the button briefly to toggle between 12h and 24h display mode.

WARNING: This is a high voltage device !

Do not touch anything else than the plastic part of the pushbutton while

the clock is plugged in.

The display mode is stored in eeprom and will be remembered at next power

on.

24h system selected

12h system

12h system selected

selected

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