Table Of Contents - Galaxy DX 979 Service Manual

Table of Contents

Table Of Contents2
Specifications3
General3
Transmitter3
Receiver3
Operation4
Front Panel4
Microphone Jack4
Squelch Control4
Introduction4
Control & Connections4
Mic Gain Control5
Rf Power Control5
Dimmer Control5
Swr Led5
Rear Panel6
Antenna6
Dc Power6
Pa Sp6
Frequency Chart7
Microphone8
Procedure To Receive8
Procedure To Transmit8
Alternate Microphones And Installation9
4 Wire Mic Cable9
Your Transceiver Microphone Schematic9
Circuit Description10
Pll Circuit10
Receiver Circuit10
Transmitter Modulation Circuit10
Transmitter Amplifier Circuit10
Block Diagram11
Required Test Equipment12
Alignment Procedures12
Pll Alignment12
Transmitter Test Setup15
Receiver Test Setup15
Dx 979 Main Pcb Adjustment Location16
Maintenance17
Precautions17
Periodic Inspection17
Fuse Replacement17
Diagrams & Parts List18
Dx 979 Rotary Switch Pcb (Ept092920Z)19
Dx 979 Rotary Sw. P.c.b20
Dx 979 Display Pcb (Ept092930Z)21
Dx 979 Display P.c.b22
Dx 979 (Dim-Pwr/Mic-Rf/Vol-Sq Control) Vr Pcb23
Dx 979 Dim-Pwr/Mic-Rf/Vol-Sq Control, Vr P.c.b24
Dx 979 (Talkback/Clarifier Control) Vr Pcb25
Dx 979 Meter Pcb (Ept092961Z)26
Dx 979 Meter Pcb (Dimmer Circuit)27
Dx 979 Antenna Pcb (Ept360042Z)28
Dx 979 Main Pcb (Ept092913Z)29
Dx 979 Schematic Diagram (Control Pcb)33
Dx 979 Schematic Diagram (Main Pcb)34
Dx 979 Explode Drawing35
Updates & Corrections36