Velleman K8046 Illustrated Assembly Manual Download

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19. PCB layout.

PCB

Summary of Contents for K8046

Page 1: ...TOUCH SCREEN K8046 ILLUSTRATED ASSEMBLY MANUAL H8046IP 2 Total solder points 274 Difficulty level beginner 1 2 3 4 5 advanced Create your own keyboard with your personal layout symbols ...

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Page 3: ... BREAK THE GLASS AND COULD CAUSE INJURY A BROKEN KEYBOARD IS NOT COVERED BY THE WARRANTY A NEW KEYBOARD CAN BE ORDERED AT YOUR DEALER ORDER CODE KB020501 IMPORTANT Since this is a complex assembly with a lot of possibilities it is advisable to read through the complete instructions BEFORE starting the actual assembly BE WARNED ...

Page 4: ...io buttons and 4 independent keys One key serves as a memory for 7 other keys or clear all key fitted Features 8 open collector switches max 50 Volt 50mA all outputs Board to wire connectors 20cm wire Dimensions including frame 165x90x35 depth Usable temperature range 5 C to 40 C Keyboard operating force 40g with R0 8mm test point Keyboard lifetime 1 000 000 operations with R3mm rubber Power suppl...

Page 5: ...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 operati...

Page 6: ...t 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 COR RECT MOUNTING SEQUENCE ...

Page 7: ...ODE ZD R1 680E 6 8 1 B R2 680E 6 8 1 B R3 680E 6 8 1 B R4 680E 6 8 1 B R5 680E 6 8 1 B R6 680E 6 8 1 B R7 680E 6 8 1 B R8 680E 6 8 1 B R9 10K 1 0 3 B R10 10K 1 0 3 B R11 10K 1 0 3 B R12 1K5 1 5 2 B R13 10K 1 0 3 B R14 1K5 1 5 2 B A ASSEMBLY OF THE MAIN PCB P8046B 3 Resistors R R15 100K 1 0 4 B R16 100K 1 0 4 B R17 100K 1 0 4 B R18 100K 1 0 4 B R19 120E 1 2 1 B R20 1K5 1 5 2 B IC1 28p IC2 18p 4 IC ...

Page 8: ...SW2 BACKLIGHT Type KRS1273 6 Push buttons VR1 UA7805 7 Voltage regulator M2 5 SPACER SK3 3p SK5 10p 8 Connectors SK8 10p CUT BETWEEN PIN 10 11 SK4 6p 9 Membrane keyboard connector ZD6 ZD5 R18 R17 ZD4 ZD3 R16 R15 ZD2 ZD1 1 VOLTAGE REGULATOR M2 5 BOLT WATCH THE POSITION OF THE CONNECTION M2 5 6mm SPACER ...

Page 9: ...7B T2 BC547B 10 Transistors C Power indication make your choice as you prefer LD17 3mm green clear OR 3mm red 11 LED Watch the polarity LD1 CATHODE X1 4MHz 12 Quartz crystal X RY1 VR15M121C 14 Relay RY 15 IC s Watch the position of the notch IC1 VK8046 Programmed PIC16C55A 04 or eq IC2 ULN2803 PIN 1 1 SK1 SK2 27mm ...

Page 10: ...Eight independent keys toggle or momentary selectable 2 Eight radio Rotary simulation buttons 3 Four radio buttons and 4 independent keys 4 One key is reserved as memory or clear all function Momentary push button function Hold the key to activate the output and release the key to deactivate it Toggle function Operates according to the principle of a classic switch i e you have to press the key on...

Page 11: ...rent possibilities in conjunction with diode setup 1 Eight indepent keys no jumper is mounted toggle or momentary selectable see previous page 2 Eight radio Rotary simulation buttons only one button output at a time can be ON Again with possibility of momentary or toggle Normally a toggle function will be used for this type of output Keyboard set up D CATHODE Diode type 1N4148 Check the polarity S...

Page 12: ...ave a rotary simulation 4 Key 8 is reserved as memory or Clear all Function If D8 is mounted this key will switch between all clear and memory of the previous keyboard setting If D8 is NOT mounted this key will serve as all clear SK1 SK2 SK1 SK2 HINT the separate CLEAR button can also be used as keyboard clear function This key will actually reset the processor ...

Page 13: ... use the keyboard together with a remote control e g our K8049 K8051 In this case an optional receiver module type IR38DM is available A special cut out in the front panel has to be made see figure 1 0 18 Optional IR detector Fig 1 0 ...

Page 14: ...e drawing Use some hot glue to hold the receiver in place on the relay Fig 2 0 Make the connections Connect 1 with right side of R13 Connect 2 with COM connection of the output connector Connect 3 with left connection of R20 See picture IR detector ...

Page 15: ... R22 180E 1 8 1 B R23 180E 1 8 1 B R24 180E 1 8 1 B R25 180E 1 8 1 B R26 180E 1 8 1 B R27 180E 1 8 1 B R28 180E 1 8 1 B B ASSEMBLY OF BACKLIGHT PCB P8046L 1 Resistors R Fig 3 0 Mount six 8mm M2 5 spacers at the indicated positions using six 6mm M2 5 screws Fig 3 0 ...

Page 16: ...cation LD1 3mm Red LD2 3mm Red LD3 3mm Red LD4 3mm Red LD5 3mm Red LD6 3mm Red LD7 3mm Red LD8 3mm Red 3 Output status indications Max 7mm HINT if not all keys outputs are used do not mount a LED for the not used key output ...

Page 17: ...17 Cut of a piece of shrinking tube with a length equal to 7mm Slide the shrinking tube over each LED Fig 4 0 Fig 4 0 Output status indication ...

Page 18: ...d and check the position if necessary correct by heating the soldering Fig 6 0 Last Solder the second connection LD9 3mm Green clear LD10 3mm Green clear LD11 3mm Green clear LD12 3mm Green clear LD13 3mm Green clear LD14 3mm Green clear LD15 3mm Green clear LD16 3mm Green clear MAX 7mm MAX 7mm Fig 6 0 TIP Blue backlight is possible using special LED s 8pcs required Ordernr L 934MBC Fig 5 0 ...

Page 19: ...acklight connection 5 Header for backlight PCB connection 10 Fig 7 0 Fig 8 0 10 10 Fig 9 0 Place the header at position SK9 Fig 8 0 Cut the header to use 10pins fig 7 0 Solder the header fig 9 0 Solderside ...

Page 20: ...20 Test assembly Mount the four 15mm spacers as shown in the drawing using four 6mm bolts Fig 10 6 Assembling for testing Fig 10 ...

Page 21: ... Test assembly Fit the touch screen pcb at the component side of the base PCB Fig 11 Do not fix yet Make sure that the connector is correctly inserted when you mount the backlight onto the spacers Fig 11 ...

Page 22: ...22 Testing the circuit A B 1 2 3 4 Connect 9 to 12Vdc 300mA between GND and VA or VB 7 Testing the circuit ...

Page 23: ...t the keyboard input keyboard connector SK4 Using a small piece of wire make a shunt between point A and point 1 one of the output LED s should lit Now test the other points A 2 A 3 and A 4 All the top row output LED s should have lit one by one Perform the same test using point B as common all the bottom row output LED s should lit one by one The circuit is now ready for final assembly REMOVE THE...

Page 24: ...used as a guide to create your own Please cut out the desired layout before use On our web site a template can be downloaded http www velleman be Downloads 0 Keyboard_layout zip to start making you own design your imagination is the limit just keep in mind the position of the keys and position of the output indications LED s see figure 12 8 Creating your printed keyboard Measurements are in mm Fig...

Page 25: ...25 Mounting order 9 Mounting order overview Printed lay out Housing PCB s Support Touch screen Buttons Top cover Front label FOLLOW THE ASSEMBLY STEPS EXACTLY LIKE ON THE NEXT PAGES ...

Page 26: ...solder between the various elements prior to assembly between window on screen keys on screen keys touchscreen 10 Final assembly Final assembly STEP1 Gently remove the protective foil form the glass keyboard support Fig 13 Support Glass keyboard ...

Page 27: ...ve side of the keyboard See the position of the connector Fig 14 STEP 3 Position the keyboard gently into the frame between the 4 edge positioners Check the position of the connector and check that the touch sensitive side is down wards Final assembly Fig 15 ...

Page 28: ...lay out using two pcs of clear tape STEP 5 Position the keyboard support like in the drawing be tween the provided studs there is only 1 way HINT to make the backlight more even and to prevent seeing the backlight PCB it is advisable to diffuse the support plastic using some fine sanding paper Again fix the plastic support using two pcs of tape Fig 16 Fig 17 ...

Page 29: ...ssembly STEP 6 Connect the keyboard connector with the base PCB Take great care to not damage the printed cable This cable is composed by a plastic base with silver ink and shielded by a protective coating Fig 18 ...

Page 30: ...30 STEP 7 Mount the backlight PCB onto the base PCB fix the PCB using four 2 5mm screws Fig 19 Fig 19 Final assembly ...

Page 31: ...31 STEP 8 Now the complete unit can be mounted into the frame Insert also the two push button actuators at the correct place Final assembly Fig 20 ...

Page 32: ...2 STEP 9 Fix the PCB using 4 self taping screws four metal washers and four rubber washers Do not tighten too much this can damage the glass touch screen Metal washer Rubber washer Final assembly Fig 21 ...

Page 33: ...ard functions automatically a demo mode is integrated 1 Press and hold the backlight swith 2 Press clear briefly 3 Release the backlight switch now the keyboard will show a demo of outputs and backlight dim Note Before starting the demo the output LED s will indicate the toggle keys this can be convenient to check the keyboard set up CAUTION During demo mode the real outputs are also activated Fig...

Page 34: ...BLE TORSION THIS CAN DESTROY BREAK THE GLASS KEY BOARD PREVENT THE KEYBOARD TO DIRECT SUNLIGHT EXPOSION The warranty does NOT cover a broken screen Protect the device against direct sunlight during assembly Max dia 8mm 4x Sc2 HBEZEL 11 Mounting the keyboard ...

Page 35: ...35 Mounting the keyboard WALL MOUNTED Fig 23 ...

Page 36: ...36 FLUSH MOUNTED Max diameter 8mm 138mm x 85mm x min 40mm 5 4 x 3 3 x 1 6 Fig 24 Mounting the keyboard ...

Page 37: ...37 PANEL MOUNTED Mounting the keyboard Fig 25 ...

Page 38: ...nding output LED will be activated deactivated with each press If an output is set as momentary the corresponding output LED will be activated only during the key press Backlight operation Each press of the backlight button will toggle between dim and regular backlight HINT the dim backlight level can be decreased by increasing the resistor value of R19 Remote control If a remote option is chosen ...

Page 39: ...up when using an adapter or DC source 8 7 6 5 4 3 2 1 VB VA GND L N K8046 COM 120 220 VAC 2 x 9VAC 250mA Fuse 250mA T TRANSFORMER MAINS 0 9 9 8 7 6 5 4 3 2 1 VB VA GND K8046 COM 9 12VDC 250mA 13 Power supply connection Power supply connection ...

Page 40: ...it K8000 computer interface K2633 or K2634 power cards K8023 two wire remote For further connections of the K8006 look at the illustrated part list of the K8006 24VAC LOAD1 N 1 VELLEMAN K8006 L SUPPLY OPEN COLLECTOR INPUTS C LOAD2 N LOAD3 N LOAD4 N LOAD5 N N 1 2 3 4 5 DANGER HIGH VOLTAGE TRANSFORMER 24VAC PRIM 2 3 4 5 PUSH BUTTON INPUTS SW1 SW2 SW3 SW4 SW5 TRANSFORMER 2 x 9VAC PRIM VELLEMAN K8046 ...

Page 41: ...232 0 IN SK10 SK11 V Out AC 12V INPUT NO 1 NO 2 0 2 SK13 0 1 SK12 0 3 SK14 SK16 0 5 0 4 SK15 I N P U T S 0 6 SK17 NO 3 NO 4 NO 6 NO 5 SK1 SK2 SK3 SK4 SK5 SK6 SK7 0 8 SK19 NO 8 SK9 SK8 TRANSFORMER 12VAC 500mA PRIM AC POWER COM 8 7 6 5 4 3 2 1 VB VA GND VELLEMAN K8046 AC POWER VELLEMAN K8056 ...

Page 42: ...rol Application examples 9 VELLEMAN TRANSFORMER 12VAC 300mA PRIM 2 x 9VAC VELLEMAN K8046 AC POWER 10 8 7 6 5 4 3 2 1 12V 15Vin GND Vext Vext K8023R 1 VELLEMAN COM 2 3 4 5 6 7 8 9 10 K8023S Vext TRANSFORMER PRIM AC POWER 9 0 9 L N K6714 K6714 16 K8006 K8000 ...

Page 43: ...43 17 Example with K8045 LCD message board Application examples SW3 TRANSFORMER 2 x 9VAC PRIM VELLEMAN K8046 AC POWER 9 0 9 L N VELLEMAN K8045 GND VA VB 1 2 3 4 5 6 7 8 GND ...

Page 44: ...ay card VELLEMAN K6714 VELLEMAN K8046 AC POWER 0 125 220 NC 1 NO NC 2 NO NC 3 NO NC 4 NO NC 5 NO NC 6 NO NC 7 NO NC 8 NO NC 16 NO NC 15 NO NC 14 NO NC 13 NO NC 12 NO NC 11 NO NC 10 NO NC 9 NO DANGER HIGH VOLTAGE VB GND 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 ...

Page 45: ...45 19 PCB layout PCB ...

Page 46: ...46 PCB ...

Page 47: ...6 ZD4 5V6 ZD1 5V6 ZD5 5V6 ZD6 1 2 3 4 5 6 SK4 I O GND UA7805 VR1 X4 000MHZ X1 22p C2 22p C1 10K R10 10K R11 10K R9 KRS1243 SW1 KRS1243 SW2 10K R13 1K5 R14 5V 5V 5V 5V 5V 5V SK1 SK2 CLOSE OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE 8 Indep buttons 8 Rotary switch 4 Rotary 4 indep B4 all off or mem ACTION D1 D8 mounted toggle mode for corresponding output D1 D8 not mounted momentary mode for corresponding...

Page 48: ...ns and typographical errors reserved Velleman Components nv H8046IP 2005 ED2 rev 1 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com 5 4 1 0 3 2 9 3 4 3 6 2 0 ...

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