Page 3 of 80
Install the Resistor Networks ........................................................................................ 33
Install the Ferrite Beads ................................................................................................ 34
Install the Control Cable Connectors and Controller Socket ........................................ 35
Components to be installed later ................................................................................... 36
Locations that remain unpopulated ........................................................................... 36
You’ve Finished this Side of the Controller PCB for Now ...................................... 36
Install the Push Buttons ................................................................................................ 36
Install the Infrared Detector .......................................................................................... 37
Install the LEDs ............................................................................................................ 38
Install the Last Four Capacitors .................................................................................... 40
Fit the Controller into the Front Panel .......................................................................... 40
Install the Controller Power Wire ................................................................................. 41
Install the Controller PCB into the Front Panel ............................................................ 41
Install the Microcontroller ............................................................................................ 41
Test the Controller PCB ................................................................................................ 42
Test the Remote Control ............................................................................................... 42
Take a Break ............................................................................................................. 42
Section 6: Assembling the Input Selector Board .............................................................. 43
Install the Resistors ....................................................................................................... 43
Choosing CD Attenuation ............................................................................................. 45
Adding 12 dB of Attenuation to the CD Input .......................................................... 45
Adding no attenuation to the CD Input ..................................................................... 45
Install the Small Capacitors .......................................................................................... 46
Install the Diodes .......................................................................................................... 46
Install the Bypass Capacitors ........................................................................................ 46
Install the Integrated Circuit Sockets ............................................................................ 47
Install the Control Cable Connector ............................................................................. 47
Install the Relays ........................................................................................................... 48
Install the Transistors .................................................................................................... 48
Install the Tall Film Capacitors..................................................................................... 49
Install the electrolytic capacitor .................................................................................... 49
Install J1 and J2 ............................................................................................................. 49
Install the Input Jack Shield .......................................................................................... 50
These Connectors Are Not Populated ........................................................................... 50
Install Input Selector Signal Wiring ............................................................................. 51
Install Input Selector Power Wiring ............................................................................. 53
Install the Op-amp Integrated Circuits into the Sockets ............................................... 53
Mount the Input Selector PCB ...................................................................................... 54
Test the Input Selector PCB Power Drain .................................................................... 54
Install 16 pin ribbon cable ............................................................................................. 55
Test Input Selector Control Interface ............................................................................ 55
Note about H1 and H2 .................................................................................................. 56
Take a Break ................................................................................................................. 56
Section 7: Assembling the Tone-Volume-Balance Board ................................................ 56
Install the Resistors ....................................................................................................... 56
Install the Motor Driver IC ........................................................................................... 58
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