logo                Narrow-Bandwidth Television Association
                                                                                                      Website for television and imaging using mechanical, radio and early electronic systems.

                                       home  background    Membership    handbook    web links   Forum    Club shop    gallery
                                                                            
This page is dedicated to the design of a laser-cut televisor
                                                                                            Important update

Please ensure R13 on the control board is rated to suit the nominal motor running current. The standard half Watt resistors are
not suitable and may overheat over time. The standard club motor draws 250mA from the supply during normal operation so a minimum
2 Watt resistor is required. This may be mounted within the motor support assembly and shorting out R13 on the PCB. Those using alternative motor, dropper resistor and supply Voltages may us the link below to calculate the Wattage rating required.


a

Click here to visit site
 



                             q                            

b

                                                                  Chapter 1 Introduction
                                                                  Chapter 2 Items required
                                                                  Chapter 3 Base unit
                                                                  Chapter 4 Motor support
                                                                  Chapter 5 Viewing window
                                                                  Chapter 6 Display housing
                                                                  Chapter 7 Sensor housing
                                                                  Chapter 8 The control electronics
                                                                  Chapter 9 Final assembly
                                                                  Chapter 10 Testing and fault finding
                                                                  Chapter 11 Obtaining Source Video

                                                                  Appendix A  Associated files