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TH-78E
Kenwood TH-78E Manuals
Manuals and User Guides for Kenwood TH-78E. We have
4
Kenwood TH-78E manuals available for free PDF download: Service Manual, Instruction Manual
Kenwood TH-78E Service Manual (114 pages)
144/430 (440) MHz FM Dual Bander
Brand:
Kenwood
| Category:
Two-Way Radio
| Size: 10.85 MB
Table of Contents
Contents
1
Circuit Description
2
Frequency Configuration
2
Receiver System
3
VHF Receiver
3
RX Selection Block Diagram
3
Sub VHF Receiver
4
UHF Receiver
4
Sub UHF Receiver
4
Audio Circuits
4
Receiver Audio Signals Switching
5
RX Audio Switching Circuit
5
External Speaker Detection
6
Audio Amplifier
6
Squelch Circuit
6
S Meter Circuit
6
Transmitter System
7
Modulator Circuit
7
88.5 Hz LPF
7
Driver and Final Amplifier
7
APC Circuit
8
Power Supply Circuit
9
Save Circuit
9
PLL Circuit
10
Pll
10
Vco-V
10
Vco-U
10
Unlock Detection Circuit
11
LED Drive Circuit
11
Remote Control Microphone Circuit
11
Microcomputers and Peripheral Circuits
12
Reset and Backup Circuits
12
DTMF and Dtss/Paging
13
DTMF Encode
13
DTMF Decode
13
DTMF Decode Timing
13
CTCSS Operation
14
Speaker, Microphone, Remote Circuit
14
Description of Components
15
Control Unit
15
TX-RX Unit
16
Semiconductor Data
21
Block Diagram
21
Pin Functions
23
Pin Layout
23
UHF Power Module
24
Maximum Rating
24
Electrical Characteristics
24
Microcomputer
25
Pin Connection
25
I/O Port Specifiations
26
Parts List
33
Disassembly
54
Adjustment
57
Required Test Equipment
57
Preparation
57
TH-78 Adjustment
58
Adjustment Point
62
Wiring Diagram
64
Unit Boards
65
Level Diagram
99
Terminal Functions
101
Battery Case
103
Head Set with Vox & PTT
104
Extension Memory Unit
106
DC Cord
107
Plug with Cord
107
SC-35 External View
108
SC-36 External View
108
MB-6 External View
108
WR-2 External View
108
SMC-31 External View
109
SMC-32 External View
109
SMC-31 Specifications
109
SMC-32 Specficiations
109
SMC-33 Specifications
110
HS-9 External View
110
TSU-7 PC Board View
111
TSU-7 Parts List
111
PC Board Views
112
Circuit Diagram
112
Specifications
113
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Kenwood TH-78E Instruction Manual (69 pages)
144/430, 144/440 FM Dual Banders
Brand:
Kenwood
| Category:
Two-Way Radio
| Size: 0.76 MB
Table of Contents
Instruction Manual
1
Table of Contents
2
Accessories
4
Before Operation
4
Controls Overview
5
Nicd Battery Pack (PB-13)
7
The Battery Pack
7
Recharging
7
Installing the Battery Pack
7
Battery Voltage Level
8
Battery Operating Time
8
Receiver Operation
9
Getting Started
9
Tuning Control and Volume Control
9
Selecting Frequency
11
Step Size Selection
13
Programmable VFO Tuning Limits
14
Basic Receiving Functions
15
Transmitter Operation
16
To Transmit
16
Changing Transmitter Output Power
16
TX. Stop Function
17
Time out Timer
17
Using the Memory
18
Microprocessor Memory Backup
18
Initializing the Memory
18
Memory Channel
18
Memory Contents
19
Entering Memory Data
19
Entering Split Channel Frequencies
20
Entering the Call Channel Frequency
20
Recalling Memory Channels
21
Memory Shift
21
Memory Channel Character Display
22
Scanning
23
Hold/Resume Programming
23
Scan Operation Cancel
23
Scan Options
24
Scanning Memory Channels
24
Scanning Band
25
Programmable Band Scan
25
Mhz Scan
26
Vfo/Memory Scan
26
CALL/VFO Scan
27
Call/Memory Scan
27
M/C(Vfo/Memory/Call) Scan
27
The Alert Function
27
Repeater Operation
28
Transmitter Offsets
28
Selecting the Offset Direction
28
Automatic Offset Selection
28
Manual Offset Selection
29
The Reverse Function
29
Tone Operation
30
Autopatch Operations
31
DTMF Memory
32
Operation as a Repeater
33
Ctcss Operation
34
The Dual Tone Squelch System (Dtss)
35
DTSS Code
35
DTS Code
35
Using the DTSS Function
35
Paging
36
Paging Operation Overview
36
Paging Code Memory
37
Setting Paging Codes
37
Sending Pages (Calling)
38
Receiving Pages Wait)
40
Canceling Signal Squelch
41
Locking out Codes
41
Answer-Back
41
Message Transmission and Reception
42
Message Transmission Modes
42
Using the Message Memory
42
Message Memory Check
44
Message Memory Transmission
44
Message Reception
44
Receive Message Memory
45
Enhanced Receiver Functions
46
The Tone Alert System
46
Monitor
47
Beepoff
47
Lamp
47
Key Lock
47
Volume Adjustment When You Use Anearphone
48
Switching Speaker Output When a Speaker-Microphone Is Connected
48
Automatic Band Change Function
49
Simultaneous Receive Function of Two Signal in the same Band
49
Single Band Operation
50
11 Mhz Mode
50
Channelized Frequency Display
50
Power Saver Features
51
The Battery Saver Mode
51
Automatic Power off (APO)
51
Clock Function
52
Time Setting
52
Timer Function
52
Duplex Operation
54
Power on Message and Function Message
55
Power on Message
55
Function Message
55
Maintenance
57
General Information
57
Service
57
Record Keeping
57
Troubleshooting
58
Accessories
59
Installing the CTCSS Unit (TSU-7)
61
Memory Expansion Unit (ME-L)
62
Programming the SMC-33 Remote Control Speakermicrophone
63
Using Other Microphone
65
Specifications
66
Quick Reference
67
Kenwood TH-78E Instruction Manual (72 pages)
144/430 MHz FM Dual Bander
Brand:
Kenwood
| Category:
Radio
| Size: 1.77 MB
Table of Contents
Table of Contents
4
The Dual Tone Squelch System (Dtss)
36
Obi Eet Eee
36
Using the DTSS Function
36
Using DTSS with a Repeater
37
Paging
38
Paging Operation Overview
38
Paging Code Memory
39
Setting Paging Codes
39
Sending Pages (Calling)
40
Receiving Pages (Wait)
42
Canceling Signal Squelch
43
7Locking.out Codes Tes, SS Si. Eee
43
SPANSWOF-Back Secs. Ccis 0:5 0545 a Ew Wha Wome Eer
43
Message Transmission and Reception
44
Message Transmission Modes
44
Using the Message Memory
44
Message Memory Check
46
Message Memory Transmission
46
Message Reception
46
Eevee
46
Receive Message Memory
47
Enhanced Receiver Functions
48
The Tone Alert System
48
Pemonkols. Nric2Aet.cuee Mete Nett: Oe Ee Eats
49
Beep:off E:.c41 Ti Aaa To. VS Ae as
49
FALSMD Is Sac 2408S Sa Twine Zale RS
49
60> "Geet Eee Eae
49
Volume Adjustment When You Use
50
Switching Speaker Output When a Speaker-Microphone Is Connected
50
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Kenwood TH-78E Instruction Manual (72 pages)
144/430 and 144/440 MHz Fm dual bander
Brand:
Kenwood
| Category:
Two-Way Radio
| Size: 36.92 MB
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