ANK Mentor 2A/300B - Page 4

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Page 4
Section 8 — Filament Supply Board Interwiring ................................................ 66
8.1 Overview …………………………………………………………………….………………….…..………..…….…… 66
8.2 Connecting the Mains Secondary Wires …………………………………..….……………….……..…….…… 67
8.3 Additional Connections ……………………………………………..........………………….…………..…..…….…… 68
8.4 Installing the Filament Supply Board …………………………………………....….…………....…….…… 69
Section 9 — Chassis-Mounted Output Section Installation ................................... 70
9.1 Overview …………………………………………………………………………………..………….…….…....….… 70
9.2 Installing the Tag Strips ………………………………………………………………………….….………..….…....… 72
9.2.1 Wiring the Tag Strips …………………………………………..……...……................…..….….…… 72
9.2.2 Installing the Tag Strips ………….…………………..………..……..…….….................… 76
9.3 Installing the Valve Bases ………………………………………………………..….………….....……....… 77
9.3.1 Wiring the Valve Bases …………………………………………..……...................………...…….…… 77
9.3.2 Wiring the Left Valve Base ………….…………………..………..……...................…….…… 79
9.3.3 Wiring the Right Valve Base ………….…………………..………..……...................…….…… 80
9.3.4 Installing the Valve Bases ………….…………………..………..……...................…….…… 80
Section 10 — Additional Interwiring ……...................................................... 81
10.1 Connecting the RCA Jacks …………………………………………………….…..….……………..…….…… 81
10.2 Driver Board Interwiring ………………………………….……………………..…...…….………..….…… 82
10.2.1 Installing the Filament and Filament Jumper Wires ……………….........…….…… 83
10.2.2 The 6SH7 and GND Connections ……………………………………………………..……...…….…… 85
10.2.3 The O/P Connections ……………………………………………………………..….……………..…….…… 86
10.2.4 The LED POSITIVE Connection ………………….……………………………………...………...….…… 88
10.2.5 Installing the Driver Board ……………………………………………………………………..…….…… 89
10.2.6 The Signal Connections …………………………………………………………………………...…….…… 90
10.3 Connecting the Speaker Posts ……………………………..….……………………..….………..…………..…… 91
Section 11 — Testing ……………………………………………………….........................…….. 94
11.1 Overview .......................................................................................................................................... 94
11.2 Installing the Fuse .......................................................................................................................... 95
11.3 Initial Tests .......................................................................................................................................... 96
11.4 First Power-Up .......................................................................................................................................... 96
11.4.1 300 Filament Test ……………………………………………………………………………………..…….…… 97
11.5 Voltage Checks ........................................................................................................................................... 97
11.6 Sound Check .......................................................................................................................................... 102
11.7 Debugging .......................................................................................................................................... 103
11.7.1 Mains Secondary Voltages ….…………………………………………………………………..…….…… 103