Velleman K8099 Illustrated Assembly Manual Download Page 13 | Manualshive

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Schematic diagram

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Summary of Contents for K8099

Page 1: ...H8099IP 1 Total solder points 230 74 Difficulty level beginner 1 2 3 4 5 advanced A unique combination of both vintage and modern electronics optional enclosure TKOK19 black TKOK17 white optional plex...

Page 2: ...e 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 Ec...

Page 3: ...he 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 ha...

Page 4: ...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...

Page 5: ...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...

Page 6: ...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...

Page 7: ...F 350V or higher C L1 330 H 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...

Page 8: ...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...

Page 9: ...sing 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...

Page 10: ...T1 R1 R2 R6 C3 D5 DC applied or zero cross error DC applied or zero cross error DC applied or zero cross error 50Hz AC OK 50Hz AC OK 50Hz AC OK Next the clock will show the display mode for 3s Press t...

Page 11: ...power on Show this hour Show this hour Show this hour Don t show this hour Don t show this hour Don t show this hour Now you can set the clock Press and hold the button to advance After a couple of s...

Page 12: ...12 Schematic diagram base Schematic diagram...

Page 13: ...13 Schematic diagram display Schematic diagram...

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

Page 15: ...15 PCB Display PCB...

Page 16: ...Modifications and typographical errors reserved Velleman nv H8099IP 1 2009 VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe 5 4 1 0 3 2 9 4 2 1 7 2 4...

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