DYNACO STEREO 120 Updating Instructions page 3

Figure 2-Location diagram for cutting wires ...................................................................... 9
Figure 3-After the Amplifier Modules have been removed.............................................. 10
Figure 4- Removal of components is completed .............................................................. 12
Figure 5- Separating heat sinks and circuit boards ........................................................... 13
Figure 6-Connecting a test load to the power supply ....................................................... 14
Figure 7-The first four resistors are installed with leads bent on the back side, but not yet
soldered. ............................................................................................................................ 16
Figure 8-leads soldered and clipped ................................................................................. 17
Figure 9-showing LED cathode orientation...................................................................... 19
Figure 10-Starting to wind the output inductor................................................................. 21
Figure 11-finishing step for the output inductor ............................................................... 21
Figure 12-LM3886 installation step one, just the corner pins are soldered ...................... 22
Figure 13-The LM3886 sits up off the board to avoid shorts between the front and back
rows of pins. The body should be at right angles to the circuit board .............................. 22
Figure 14-attaching first bracket to the board................................................................... 24
Figure 15-both brackets attached to the board .................................................................. 24
Figure 16-circuit board mounted to heat sink ................................................................... 25
Figure 17-a completed amplifier module.......................................................................... 25
Figure 18-wiring harness .................................................................................................. 26
Figure 19-Ground wiring harness ..................................................................................... 27
Figure 20-Sometimes the input connector needs to be bent to clear the PCB .................. 28
Figure 21-Schematic of amplifer module ......................................................................... 31
Figure 22-demonstrating the resistor color code .............................................................. 32
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