Kenwood VFO-180 Manuals

Manuals and User Guides for Kenwood VFO-180. We have 2 Kenwood VFO-180 manuals available for free PDF download: Service Manual

Kenwood VFO-180 Service Manual (79 pages)

HF SSB transceiver

Brand: Kenwood | Category: Transceiver | Size: 35.54 MB

Contents
1
Specifications
2
Features
2
Transmitter Section
2
Receiver Section
2
Features/Circuit Description
3
Receiver Section
3
Transmitter Section
3
Circuit Description
4
Noise Blanker
4
Speech Processor
4
Noise Detecting Band Width of Former Noise Blanker
4
RF Power Control
5
IF Double Filters
5
RF Power Control RF Power Switching
5
MIC Att
6
Transmitting Power Selection (ALC Start Level Selection)
6
Frequency Divider Unit (X54-1420-00)
6
Display Unit (X54-1430-00)
6
Display Unit Block Diagram
7
Divide Unit Schematic Diagram
7
100 W Final Stage (X56-1340-00)
8
TS-180 Frequency Configuration
8
Premix Unit (X50-1570-00)
8
PLL Ass'y Unit (X60-1120-11)
8
TS-180 Frequency Configuration Schematic Diagram
9
Frequency Chart
9
PREMIX Unit Block Diagram
9
PLL Ass'y Unit Block Diagram
10
Frequencies of each Unit
10
Memory Ass'y Unit (X60-1090-00)
11
Matrix Unit Programmable Code
11
Control Unit (X53-1100-00)
11
Control Unit Block Diagram
11
Microprocessor Operation
12
VCO Unit
12
Microprocessor Explanation
12
VCO Unit Block Diagram
12
Circuit Description/Semiconductor Data
13
F Memory Frequency Table
13
Semiconductor Data
14
Dual 4-Bit Bcd/Binary Counter
14
Presettable Decade Counter/Latch
14
Decade Counter
14
4-Bit Binary Counter
15
Input Positive Nand Gate
15
256 Words X 4-Bit C MOS RAM
15
Dual D-Type Flip Flop
15
6-Digit Decade Counter
16
HEX. Inverting Buffer
16
Outside Views
17
Front Panel
17
Rear Panel
17
Inside Views
18
Top Views
18
Bottom Views
18
PC Board/Circuit Diagram
19
RF Unit (X44-1280-00) Schematic Diagram
19
Coilpack Unit (X44-1290-00) Schematic Diagram
20
Schematic Diagram
21
IF Unit (X48-1240-11) Schematic Diagram
22
Schematic Diagram
23
AF VOX Unit (X49-1130-00) Schematic Diagram
24
LPF Unit (X51-1180-00) Schematic Diagram
25
Premix Unit (X50-1570-00) Schematic Diagram
26
Schematic Diagram
27
10 W Final Unit (X56-1330-00) Schematic Diagram
28
VFO Unit (X40-1140-00) Schematic Diagram
28
100 W Final Unit (X56-1340-00) Schematic Diagram
29
Counter Ass'y Unit (X60-1100-00) Schematic Diagram
30
Display Unit (X54-1430-00) Schematic Diagram
30
PLL Ass'y Unit (X60-1120-00) Schematic Diagram
31
Matrix Unit (X53-1130-00) Schematic Diagram
31
Connector Unit (X41-1190-00) Schematic Diagram
32
LED Unit (X41-1200-00) Schematic Diagram
32
AVR Unit (X43-1340-00) Schematic Diagram
32
Switch Unit (X41-1230-00) Schematic Diagram
32
Divide Unit (X54-1420-00) Schematic Diagram
33
PLL Unit (X50-1560-00) Schematic Diagram
34
Memory Ass'y Unit (X60-1090-00) Schematic Diagram
37
Control Unit (X53-1100-00) Schematic Diagram
37
VCO Unit (X50-1550-00) Schematic Diagram
38
Control Unit (X53-1100-00) Schematic Diagram
39
VCO Unit (X50-1550-00) Schematic Diagram
39
Parts List
40
General
40
Resistor
40
Capacitors
40
Connector Unit (V41-1190-00) Parts List
41
LED Unit (X41-1200-00) Parts List
41
Switch Unit (X41-1230-00) Parts List
41
AVR Unit (X43-1340-00) Parts List
42
RF Unit (X44-1280-00) Parts List
42
Coilpack Unit (X44-1290-00) Parts List
42
IF Unit (X48-1240-11) Parts List
43
AF VOX Unit (X49-1130-00) Parts List
44
Premix Unit (X50-1570-00) Parts List
45
LPF Unit (X51-1180-00) Parts List
46
Final Ass'y Unit (X60-1130-00) Parts List
47
10W Final Unit (X56-1330-00) Parts List
47
100W Final Unit (X56-1340-00) Parts List
47
Counter Ass'y (60-1100-00) Parts List
47
Divide Unit (X54-1420-00) Parts List
48
Display Unit (X54-1430-00) Parts List
48
VFO Ass'y Unit (X60-1110-00) Parts List
48
VFO Unit (X40-1140-00) Parts List
48
PLL Ass'y Unit (X60-1120-11) (W Type 61) Parts List
49
PLL Unit (X50-1560-00) Parts List
49
Matrix Unit (X53-1130-00) Parts List
50
Memory Ass'y Unit (X60-1090-00) Parts List
50
VCO Unit (X50-1550-00) Parts List
51
Control Unit (X53-1100-00) Parts List
52
Packing
52
Exploded View/Disassembly
53
Front Panel Exploded View
53
Rear Panel Exploded View
53
Diassembly/Level Diagram
54
How to Install the MEMORY ASS'Y Unit
54
To Gain Access to the RF Unit
54
Receiver Section
54
Level Diagram/Adjustments
55
Transmitter Section
55
Test Equipment Required
55
Adjustments
56
Preparation
56
Case Disassembly
56
Power Supply Adjustment
56
RX Adjustment
57
Carrier Unit Adjustment
57
VFO Adjustment
57
FIX/R, RIT Adjustment
57
VCO Voltage Adjustment
58
Standard Oscillator Frequency Adjustment
58
ANTENNA and MIX Adjustment
58
IFT Adjustment
58
TS-180 Top View
59
TS-180 Bottom View
60
Counter Ajustment
61
TX Adjustment
61
IF Trap Coil Adjustment
61
TX BPF Adjustment
61
Base Current Adjustment
62
RF Detector Adjustment
62
ALC Meter Adjustment (Starting Point)
62
ALC Adjustment
62
ALC Meter Adjustment
63
RF Meter Adjustment
63
Protection Adjustment
63
Carrier Suppression Adjustment
63
PREMIX Adjustment
64
PLL Adjustment
64
Side Tone Adjustment
64
BPF Adjustment
64
Memory Adjustment
65
49.08 Mhz Tuning Circuit Adjustment
65
MIXER Balance Adjustment
65
VCO Adjustment
65
Scan Speed Adjustment
66
Wireharness
67
VFO-180 Part List
69
External View
69
Specifications
69
Block Diagram
69
VFO-180 Parts List
70
VFO Unit (X40-1140-00)
70
Switch Unit (X41-1270-00)
70
VFO-180 Schematic Diagram
71
Ps-30
72
Specifications
72
Outside Views
72
PS-30/SP-180 Parts List
73
General PS-30
73
AVR Unit (X43-1330-00)
73
Sp-180
73
Schematic Diagram
74
AT-180/Schematic Diagram/Specifications
76
External/Internal View
76
Parts List Adjustment
77
Instruments
77
Power Meter Adjustment
77
Calibration of REF Power
77

Kenwood VFO-180 Service Manual (78 pages)

Brand: Kenwood | Category: Transceiver | Size: 35.53 MB

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Kenwood VFO-180 Service Manual (79 pages)

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Kenwood VFO-180 Service Manual (78 pages)

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