Table Of Contents - Kenwood TL-922A Instruction Manual

AFTER UNPACKING
It is advisable to save all original packing cartons (inner and
outer) to protect your valuable Linear Amplifier from
damage should you wish to transport it for remote opera-
tion or ship it for after-sales service.
The following explicit definitions apply in this manual. Be
sure to read these definitions:
NOTE = If disregarded, inconvenience only - no
damage or personal injury.
CAUTION = equipment damage may occur, but not
personal injury.
WARNING = personal injury may occur - do not dis-
regard.
CONTENTS
TL-922A SPECIFICATIONS . .
SECTION 1 FEATURES .. . .
SECTION 2. PREPARATION FOR USE
2.1 Accessories
2.2 Installation of Power Tubes
2.3 General Tips on Installation
2.4 AC Power Source
2.5 Line Voltage Change
2.6 Power Cable
2.7 Exciter
2.8 Antenna
2.9 Interconnection
2.9.1 Grounding
2.9.2 Cable Connection
SECTION 3 CONTROLS AND THEIR FUNCTIONS . 9
3.1 Front Panel
3.2 Rear Panel
SECTION 4 OPERATION ...... wee ee ee eeeee 11
4.1 Prechecks
4.2. CW Operation
4.3 SSB Operation
4.4 RTTY Operation
4.5 Setting the ALC ADJ Control
4.6 Adjusting the RF Output Meter
4.7 High-Voltage Transformer Protection
4.8 Carrying Your TL-9224
SECTIONS CIRCUIT DESCRIPTION......... 13
5.1 Linear Power Amplifier
5.2 Power Supply
5.3 Fan Motor Delay Stop Circuit
5.4 Meter Drive Circuit
5.5 Spark Suppressor
CAUTION
Read Operating Manual Section 2 before proceeding to
unpack and assemble your amplifier.
WARNING
LETHAL VOLTAGES PRESENT.
SECTION 6 MAINTENANCE...............- 15
6.1 Internal Cleaning
6.2 Replacing Power Fuses
6.3 Replacing Power Tubes
6.4 Input Matching Circuit
SECTION 7 TROUBLESHOOTING HINTS .
PACKING: iiss:0 ics eis Sa tower aa oat
ILLUSTRATIONS
Fig. 2-1 Upper Case Cover Assembly/
Disassembly ............. 5
Fig. 2-2 Correct Power Tube Handling 5
Fig. 2-3 Parasitic Suppressor Coil Mounting 6
Fig. 2-4 Input Voltage Terminal Boards 7
Fig. 2-5 Power Cable Color Code . . 8
Fig. 2-6 Exciter Connections for RL and ALC
Controls ......... oii e e e » 8
Fig. 2-7 Interconnection of the TL-922A
......
8
Fig. 3-1 Front View....... beciegtsade hice) 8
Fig. 3-2 Rear View Cees eae eehae es . 10
Fig. 5-1
Linear Power Amplifier Circuit
....... 13
Fig. 5-2 Transformer Primary Current Flow..... 14
Fig. 5-3. Fan Mogpr Delay Stop Circuit ........ 14
Fig. 5-4 Meter Drive Circuit................ 14
Fig. 7-1 Packing for Shipment . 17
Fig. 7-2,3Top, Bottom Views 18
TABLES