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AkitikA GT100 Manuals
Manuals and User Guides for AkitikA GT100. We have
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AkitikA GT100 manual available for free PDF download: Assembly Manual
AkitikA GT100 Assembly Manual (44 pages)
TWO CHANNEL AUDIO POWER AMPLIFIER
Brand:
AkitikA
| Category:
Amplifier
| Size: 2 MB
Table of Contents
Table of Contents
2
Table of Figures
3
Section 1: about this Manual
4
Who Should Attempt this Project
4
Tools You'll Need
4
Project Overview
4
Important Safety Notes
5
About Components
5
Section 2: Building the Power Supply PCB
6
Component Order
6
Install the Resistors
6
Figure 1-Installing Resistors
6
Install the Diodes
8
Figure 2-Form the Cathodes of D4-D7 as Shown (Banded End Denotes Cathode)
8
Identifying the Glass Body Diodes
9
Install the Small Capacitors
10
Figure 3-Black Text Shows C2 Polarity, Yellow Plus Sign Shows C3 Polarity
10
Install the Transistors
11
Install the Integrated Circuits
11
Figure 4-Pinout of U1, Viewed from the Top
11
Install the Big Capacitors
12
Final Inspection of the Circuit Board
12
Power Supply Final Assembly
12
Figure 5-Completed Power Supply Circuit Board Awaiting Q5 Installation
12
Figure 6-Note the Rounded Brackets Used for the Power Supply Heatsink and PCB
13
Figure 7-Placing Thermal Compound on Q5
13
Attach the Power Supply Ground Wire
14
Figure 8-Installing Q5 on the Heatsink and to the PCB
14
Figure 9-Remember to Solder Q5'S Leads
14
Figure 10-Power Supply with Attached Ground Wire
14
Section 3: Assembling the Amplifier Circuit Boards
15
Install the Resistors
15
Figure 11-First Four Resistors Are Installed, Leads Bent on the Back Side, but Not yet
15
Figure 12-Leads Soldered and Clipped
16
Install the Small Capacitors and the Diodes
17
Last Capacitors and the Transistors
18
Figure 13-Showing LED Cathode Orientation
18
Winding the Output Inductor
19
Final Inspection of the Circuit Board
20
Figure 14-Starting to Wind the Output Inductor
20
Figure 15-Finishing Step for the Output Inductor
20
Installing the LM3866 and Mounting the Amplifier Board to the Heat Sink
21
Figure 16-Mounting Assembled PCB to Heat Sink
21
Figure 17-Mounting the PCB to the Heat Sink
22
Figure 18-Solder the LM3886 Pins
22
Attach the Amplifier Module Wires
23
Attaching LEFT Module Power Wires
23
Figure 19-A Completed Amplifier Module
23
Attaching RIGHT Module Power Wires
24
Figure 20-Shielded Cable for Left Channel
24
Section 4: Wiring It All Together
25
Input Connectors
25
Figure 21-Installing the RCA Jacks
25
Speaker Binding Posts
26
Power Wiring
26
Figure 22-Positioning the RCA Input Jacks and Ground Lug
26
Figure 23-Wiring IEC Power Connector
27
Figure 24-Power Wiring with IEC Connector Installed into Chassis
27
Figure 25-Installing Power Wires on the Switch
28
Transformer Installation
28
Figure 26-Joining the Secondaries
29
Figure 27-Toroidal Transformer Mounting
29
Testing the Power Supply
30
Figure 28-Connecting up the Power Transformer
30
Figure 29-Cable Tie the Red and Orange Wires as Shown
30
Final Amplifier Wiring
31
Installing Amplifier Modules into the Chassis
31
Figure 30-Spread Thermal Compound on the 3/8" Wide Ridge
32
Figure 31-Amps Installed, Wiring Not Complete
32
Wiring Amplifier Power
33
Fasten the Power Supply to the Chassis
33
Figure 32-I/O Wiring Detail (One Channel)
33
Wiring Input Connections
34
Wiring Speaker Connections
34
Completing Ground Connections
34
Visual Inspection
35
Figure 33-Grounding Stud Detail
35
Install the Top
36
Section 5: Testing It out
36
Section 6: Specifications and Schematics
36
Figure 34-Power Supply Schematic
38
Figure 35-Amplifier Module Schematic
39
Figure 36-Overall Wiring
40
Appendix 1 - Resistor Color Code
41
Figure 37-Demonstrating the Resistor Color Code
41
Appendix 2 - Preparing a Shielded Cable End
42
Figure 38-Shielded Cable End, as of Step 4
44
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