iii
Contents
1 Copyright Notice
1
2 Caution!
2
2.1
You May Be Killed! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
3 Introduction
3
3.1
General Description and Purpose . . . . . . . . . . . . . . . . . . . . . . . .
3
3.2
Shortcomings in the Stock TL-922 . . . . . . . . . . . . . . . . . . . . . . . .
4
3.3
TL-922 Revival
(
tm
)
Hardware Upgrade Kit Features . . . . . . . . . . . . . .
5
3.4
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
3.4.1
Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
3.5
LED Board Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
3.6
Step Start PCB Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
3.7
QSK T/R Relay PCB Installation . . . . . . . . . . . . . . . . . . . . . . . .
16
3.7.1
Stock T/R Relay Removal . . . . . . . . . . . . . . . . . . . . . . . .
19
3.8
Electronic Bias PCB Installation . . . . . . . . . . . . . . . . . . . . . . . .
24
3.8.1
Zener Diode and Heatsink Removal . . . . . . . . . . . . . . . . . . .
24
3.8.2
Electronic Bias PCB Installation . . . . . . . . . . . . . . . . . . . .
26
3.8.3
Electronic Bias PCB Connections . . . . . . . . . . . . . . . . . . . .
28
3.8.4
IG Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . .
28
3.8.5
Filament Transformer Electrical Connections . . . . . . . . . . . . . .
29
www.KesslerEngineeringLLC.com
Summary of Contents for TL-922 Revival (tm)
Page 13: ...6 Figure 3 1 TL 922 Revival tm Upgrade Kit Contents www KesslerEngineeringLLC com...
Page 18: ...11 Figure 3 4 LED Circuit Board Correctly Installed www KesslerEngineeringLLC com...
Page 30: ...23 Figure 3 19 QSK PCB to QRO Output Connections www KesslerEngineeringLLC com...
Page 34: ...27 Figure 3 23 Electronic Bias PCB Installed www KesslerEngineeringLLC com...
Page 47: ...40 Figure 3 30 Step Start PCB www KesslerEngineeringLLC com...
Page 49: ...42 Figure 3 33 LED Schematic Diagram Figure 3 34 LED PCB www KesslerEngineeringLLC com...
Page 50: ...43 Figure 3 35 Electronic Bias Schematic Diagram www KesslerEngineeringLLC com...
Page 51: ...44 Figure 3 36 Electronic Bias PCB www KesslerEngineeringLLC com...
Page 54: ...47 User Notes www KesslerEngineeringLLC com...
Page 55: ...48 5 1 User Notes Continued www KesslerEngineeringLLC com...
Page 56: ...49 5 2 User Notes Continued www KesslerEngineeringLLC com...
Page 57: ...50 5 3 User Notes Continued www KesslerEngineeringLLC com...
