JRC JST-245 Manuals

Manuals and User Guides for JRC JST-245. We have 3 JRC JST-245 manuals available for free PDF download: Service Manual, User Manual

JRC JST-245 Service Manual

JRC JST-245 Service Manual (166 pages)

Brand: JRC | Category: Transceiver | Size: 32 MB

Table of Contents

Contents
5
Parts and Functions
9
Front Panel
11
Numeric Keypad
17
Frequency Controls
18
Rear Panel
20
Connecting Peripheral Equipment
23
Electronic Keyer
23
Linear Amp
23
Receiving Antenna and Separate Receiver
23
Rtty
24
External Antenna Tuner
25
Connection of NFG-230
25
PC Control of the Transceiver
26
Control Method
26
Specifications
27
General Specifications
29
Receiver
30
Circuit Description
31
General Block Diagrams
33
JST-145 Signal Block Diagram
33
Synthesizer Block Diagram
35
General Circuit Description
37
Control Circuits
39
Block Diagram of Control System
39
Panel Unit
40
Panel Unit Circuit Description
40
Rotary Encoder Signal Detection
40
Key Switch Signal Detection
40
Display Drive
41
Output of Gain and Level Adjustment Values
41
Other Functions
41
Panel Unit Circuit Diagram
42
Panel Unit PCB Diagram
44
TX/RX Unit
45
TX/RX Unit Circuit Description
45
TX/RX Unit Circuit Diagram
51
TX/RX Unit PCB Diagram
55
Synthesizer Unit
62
Synthesizer Unit Circuit Description
62
Reference Oscillator
62
Reference Oscillator Block Diagram
62
Pll
63
Synthesizer Unit Circuit Diagram
65
Synthesizer Unit PCB Diagram
68
PA Unit
73
PA Unit Circuit Description
73
PA Unit Circuit Diagram
74
PA Unit PCB Diagram
75
Matching Unit
77
Matching Unit Circuit Description
77
Block Diagram of Matching Unit
77
Memory Frequencies of Matching Unit
78
Matching Unit Circuit Diagram
79
Matching Unit PCB Diagram
80
RL Control Unit
81
RL Control Unit Circuit Description
81
RL Control Unit Block Diagram
81
RL Control Unit PCB Diagram
83
Sensor Unit
84
Sensor Unit Circuit Description
84
Sensor Unit Block Diagram
84
Sensor Unit Circuit Diagram
85
Sensor Unit PCB Diagram
86
LPF Unit
88
LPF Unit Circuit Description
88
Block Diagram of LPF Unit
88
LPF Unit Circuit Diagram
89
LPF Unit PCB Diagram
90
ANT Switch Unit
91
ANT Switch Unit Circuit Description
91
ANT Switch Unit Circuit Diagram
92
ANT Switch Unit PCB Diagram
93
CPU Unit
94
CPU Unit Circuit Description
94
CPU Unit Block Diagram
94
CPU Block Diagram
95
CPU Terminal Connection
95
I/O Interface Block Diagram
96
I/O Interface Terminal Connection
97
CPU Unit Circuit Diagram
98
CPU Unit PCB Diagram
99
Power Supply Unit
101
Power Supply Unit Circuit Description
101
Main Power Supply
101
Block Diagram of Power Supply Unit
101
Sub Power Supply
102
Power Supply Unit Circuit Diagram
103
Power Supply Unit PCB Diagram
104
Tone Unit
108
Tone Unit Circuit Description
108
Tone Frequencies Available with IC2
108
Tone Unit Circuit Diagram
109
Tone Unit PCB Diagram
109
Monitor Unit
110
Monitor Unit Circuit Description
110
Monitor Unit Circuit Diagram
111
Monitor Unit PCB Diagram
111
General Wiring Diagram
112
Disassembly and Assembly
118
Removing the Cover
120
Removing and Attaching the Top Cover
120
Removing and Attaching the Bottom Cover
120
Adjustments
132
Preparations
135
Parts List
160
Structural Parts
162
Exploded View
163

Advertisement

JRC JST-245 User Manual

JRC JST-245 User Manual (84 pages)

Brand: JRC | Category: Transceiver | Size: 15 MB

Table of Contents

JRC JST-245 Service Manual

JRC JST-245 Service Manual (165 pages)

Brand: JRC | Category: Transceiver | Size: 62 MB

Advertisement

Advertisement

Related Products

JRC Categories

Marine Radar Water Filtration Systems Marine Equipment Receiver Radio Parts

More JRC Manuals