Velleman K8089 Illustrated Assembly Manual Download Page 9

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construction

CATHODE

DY1

DY2

DY3

DY4

Make sure that all displays are
correctly mounted !

2. Digit displays

ATTENTION:

mount the displays so that the

dot is mounted towards the push button.

Side with push buttons

3. Assembly of the enclosure

Mount the leds, watch the polarity.

display display

Summary of Contents for K8089

Page 1: ...solder points 263 Difficulty level beginner 1 2 3 4 5 advanced 57mm 7 SEGMENT DIGITAL CLOCK ILLUSTRATED ASSEMBLY MANUAL H8089IP 1 Large 57mm clock temperature display with extra unique feature K8089...

Page 2: ......

Page 3: ...asy wall mounting back up battery automatic frequency detection unique extra feature auto toggle between time temp and scrolling sign OPEN or CLOSED Specifications power supply 12VAC e g PS1205AC powe...

Page 4: ...agonal 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...

Page 5: ...manual updates indicated as NOTE on a separate leaflet 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 a...

Page 6: ...o mark the drill holes D1 1N4007 D2 1N4007 D3 1N4007 D4 1N4007 D5 BAT85 D6 BAT85 D7 1N4148 2 Diodes check the polarity CATHODE D ZD1 4V3 ZD2 4V3 ZD2 4V3 ZD3 4V3 3 Zener diodes check the polarity CATHO...

Page 7: ...mp sensor If remote selection is needed SW1 2p Open closed 12 Terminal blocks C12 470 F 25V 13 Electrolytic capacitor Watch the polarity C VR IC1 VK8089 programmed PIC16F630 I P IC2 74HC595 IC3 74HC59...

Page 8: ...ction DY1 2 x 5pins DY2 2 x 5pins DY3 2 x 5pins DY4 2 x 5pins 1 Tulip pin headers MOUNT THESE COMPONENTS ON THE PCB SOLDERSIDE SOLDER THEM ON THE COMPONENTS SIDE DY1 DY2 DY3 DY4 5pins Cut 8 x 5pins SO...

Page 9: ...t all displays are correctly mounted 2 Digit displays ATTENTION mount the displays so that the dot is mounted towards the push button DY1 DY2 DY3 DY4 Side with push buttons 3 Assembly of the enclosure...

Page 10: ...isplay will remain blank Note Accuracy when running on backup battery 5 worst case Consumption 1mA CHECK IF THE CLOCK IS WORKING CORRECTLY see page 13 5 Optional temperature sensor If you have ordered...

Page 11: ...ill display the temperature only Make sure back up battery is removed Adjust the multiturn pot RV1 on the temperature sensor until the displayed temperature matches the temperature indicated by the th...

Page 12: ...select how seconds are indicated Jumper setting 1 Assemble the 4 individual housing together 2 Turn the PCB around with the displays on top place the enclosure on the PCB 7 Assembly in enclosure hh mm...

Page 13: ...3 Turning on off the OPEN CLOSED display Press Mode to toggle between ON show sign and OFF do not show sign Selecting OPEN CLOSED The slide switch allows you to display either OPEN or CLOSED You can...

Page 14: ...14 PCB PCB...

Page 15: ...15 Schematic diagram Schematic diagram R6 R7 R8 R9 R10 R11 R12 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R30 R31 R32 R33 R34 R35 R36...

Page 16: ...VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Modifications and typographical errors reserved Velleman Kit nv H8089IP 2009 rev 1 5 4 1 0 3 2 9 4 0 3 1 8 8...