AkitikA PR-101NR - User Manual

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PR-101NR STEREO

PREAMPLIFIER

(NR=No Remote Control)

ASSEMBLY MANUAL

Revision 1p03 October 27, 2018

Main Page

Table of Contents2
Table of Figures4
Section 1: about this Manual6
Who Should Attempt this Project6
Tools You'll Need6
Helpful Tools6
Project Overview6
Important Safety Notes7
About Components7
Recommended Solder7
Warranty7
Section 2: about Building the Kit8
Section 3: Building the Power Supply PCB9
Component Order9
Figure 1-Empty the Power Supply Components into a Soup Bowl9
Figure 2-Component Side of Power Supply PCB before Loading9
Install the Diodes10
Install the Non-Polarized Capacitors10
Install the Not so Tall Polarized Capacitors11
Install the Fuse and Fuse Holder11
Install the Tall Polarized Capacitors11
Figure 3-Fuse Holder Body Solders into Board, Installing Fuse into Lid of Fuse Holder11
Install the Regulators and Heat Sinks12
Figure 4-Assembling Heatsink to a Regulator12
Install the AGD-BGD Jumper13
Install the Voltage Select Jumpers13
Figure 5-Solder Heat Sink Mounting Rods to Retain the Heat Sink13
Figure 6-Preparing Power Supply Jumper Wires13
Figure 7-Install AGND to BGND Jumper13
These Components Are Not Loaded14
Figure 8-Jumper Installation for 120 Volt Operation (Left Side) and 240 Volt (Right Side)14
Figure 9-Power Supply before Transformer Is Installed, Wired for 120 Volts14
Power Supply Inspection15
Section 4: Chassis Assembly and Power Wiring15
Protect Your PR-10115
Install the Feet15
Install the IR Detector Window15
Figure 10-Install 4 Feet with 6-32X1/2" Silver Colored Screws15
Figure 11-IR Window with Release Paper, die Cut Mounting Tape16
Install Back Panel Power Connectors and Front Panel Power Switch17
Power Wiring18
Figure 12-Installing Power Outlets and IEC Connector18
Figure 13-Insert Cable Ties, then Lay Twisted Pair into the Chassis Corner19
Figure 14-Form Switch Wires to Avoid the Ground Stud21
Connecting the Chassis Ground22
Figure 15-Adding Lug to Ground Harness22
Figure 16-AC Power and Ground Wiring22
Connect the Toroidal Transformer to the Power Supply23
Figure 17-Transformer and Power Supply Assembly Ready for Installation23
Add Power Output Wires to the Power Supply24
12 Volt Ground Wires24
12 Volt Power Wires25
Volt Power and Ground Wires26
Connect Power Input Wires and Install the Power Supply26
Prepare to Test the Power Supply27
Figure 18-Fasten the Transformer to the Preamp Right Side Wall27
Figure 19-Power Supply Assembled and Installed27
Test the Power Supply28
Section 5: Assembling the Controller29
Component Side29
Install the Resistors29
Figure 20-Silk Screen of the "Component Side" of the Controller PCB29
Install the Non-Polarized Capacitors30
Install the IC's and Transistor31
Install the Resistor Networks31
Figure 21-Insert All the IC's so that the U-Shaped Indent Matches the Silk-Screen31
Install the Ferrite Beads32
Install the Control Cable Connectors and Controller Socket33
Figure 22-10 Pin Cable Connector Pinout33
Figure 23-Locating the Pins on the 16 Pin Cable Connector33
Components to be Installed Later34
Locations that Remain Unpopulated34
You've Finished this Side of the Controller PCB for Now34
Install the Push Buttons34
Figure 24-Showing Socket Orientation34
Figure 25-Switch and LED Side of Controller Board35
Install the Infrared Detector36
Figure 26-Infra-Red Detector for Remote Control Mounts 0.3" above Plane of Pcb36
Install the Leds37
Figure 27-LED with White Spacer Added37
Install the Last Four Capacitors38
Fit the Controller into the Front Panel38
Figure 28-Completed Controller, Push-Button and LED Side and Component Side38
Install the Controller Power Wire39
Install the Controller PCB into the Front Panel39
Install the Microcontroller40
Test the Controller PCB40
Test the Remote Control40
Take a Break40
Section 6: Assembling the Input Selector Board41
Install the Resistors41
Figure 29-Silkscreen Side of the Input Selector Board Shows Component Locations41
Install the Small Capacitors43
Install the Diodes43
Install the Bypass Capacitors44
Install the Integrated Circuit Sockets44
Figure 30-Align Socket Feature with Silk Screen44
Install the Control Cable Connector45
Install the Relays45
Install the Transistors46
Install the Tall Film Capacitors46
Install the Electrolytic Capacitor46
Install J1 and J247
Install the Input Jack Shield47
Figure 31-Mounting the Input Connector Shield47
These Connectors Are Not Populated48
Figure 32-Assembled Input Selector Board48
Install Input Selector Signal Wiring49
Install Input Selector Power Wiring50
Install the Op-Amp Integrated Circuits into the Sockets51
Mount the Input Selector PCB51
Figure 33-Insert Opamp so Semi-Circular Indentation in IC Package Matches Silk-Screen51
Test the Input Selector PCB Power Drain52
Install 16 Pin Ribbon Cable52
Figure 34-16 Pin Ribbon Cable Orientation and Installation52
Test Input Selector Control Interface53
Note about H1 and H253
Take a Break53
Section 7: Assembling the Tone-Volume-Balance Board54
Install the Resistors54
Figure 35-Silkscreen Side of the Tone Volume Board Shows Component Locations54
Install the Diodes and Low Profile Capacitors55
Install the Relay and the Manual Pots57
Install the Tall Capacitors57
Install the Electrolytic Capacitors57
Install the Sockets, Integrated Circuits and Transistor57
Figure 36-Remember to Match Silk Screen and IC Orientation Mark57
Install the Control Cable Connector58
Install the Motor Pots (Skip for NR Version)58
Figure 37-Identify Pin 1 for Proper Connector Installation58
Figure 38-Motor POT Wire Preparation58
Figure 39-Motor POT Wiring Detail59
Section 8: Preliminary Final Assembly60
Wire and Install the Front Panel Input Connector60
Figure 40-Showing Location and Type of POTS for NR60
Figure 41-Connecting Wires to Front Panel (FP) 1/8" Phono Jack60
Install the Headphone Jack61
Connect Power to the Tone Volume PCB61
Tone Volume Signal Wiring61
Figure 42-Inserting 1/8" Jacks in the Front Panel61
Install the Tone Volume PCB62
Install the Op-Amps into the Sockets62
Test the Tone Volume PCB Step 163
Test the Tone Volume PCB Step 263
Figure 43-Showing 10 Pin Ribbon Cable Installation and Orientation63
Section 9: Final Mechanical Assembly64
Final Mechanical Assembly64
Figure 44-Install Plastite Screws (6) in the Holes between the Left and Right Channel Input64
Figure 45-Two of the Three Cover Plates Have Been Installed64
Section 10: about the Preamp Architecture65
Features65
Specifications65
Appendix 1 - Shielded Cable Preparation66
Block Diagram68

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AkitikA PR-101NR Specifications

General

Brand	AkitikA
Model	PR-101NR
Category	Amplifier
Language	English

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AkitikA PR-101NR - User Manual

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