Yaesu FTC-4610 Manuals

Manuals and User Guides for Yaesu FTC-4610. We have 1 Yaesu FTC-4610 manual available for free PDF download: Maintenance Service Manual

Yaesu FTC-4610 Maintenance Service Manual (80 pages)

Brand: Yaesu | Category: Transceiver | Size: 8 MB

Index
2
General Description
4
Performance Specifications
5
Semiconductors
6
Front Panel Controls and Switches
7
Channel Selection
7
Reset
7
Microphone Jack
7
Rear Apron Connections
8
Power
8
Sp
8
Antenna
8
Operation
9
Tone Squelch Operation
9
Installation
10
Antenna Considerations
10
Typical SWR Test Setup
10
Physical Location of Transceiver
11
Power Connections
11
Installation Step-By-Step Outline
12
External Speaker
12
Base Station Installation
13
Power Transformer Primary Connections
13
Interconnections
14
Tone Squelch Installation
15
Before Installation
15
After Installation
15
Tone Squelch Tuning Resistor Chart
16
Theft Guard Installation Using FHR-1
17
Block Diagram
18
Circuit Description
19
Receiver
19
Transmitter
19
Tone Squelch Unit
20
Automatic Power Control Circuit
20
Automatic Final Protection Circuit
20
Hpf
20
Frequency Relationships
21
Crystal Data
21
Horn Relay Unit
22
AC Power Supply
22
Technical Notes
23
Channel Changes
25
Band Table
26
Outer Cover Removal
28
Front Panel Removal
28
FP-5 Outer Cover Removal
29
FP-6 Outer Cover Removal
29
Parts Layout
30
VR Unit Parts Layout
34
LED Unit Parts Layout
34
Booster Unit Parts Layout
35
Viewed from Component Side
35
Viewed from Solder Side
35
Booster Unit Mounting Detail
36
Relay Connections
36
Tone Squelch Unit Parts Layout
37
Semiconductor Connections
38
Level Diagram
39
Receiver Section
39
Transmitter Section
40
Voltage Chart
41
Circuit/Device Information
42
Input Final RF Device
42
Spurious Reduction at Antenna Jack
42
Deviation Circuit
42
Insertion of Parts on Circuit Boards
43
Soldering and Desoldering Technique on Printed Circuit Boards
43
Notes on Use of CMOS Components
43
Basic Soldering Practice
44
Examples of Poor Soldering Practice
44
Soldering to Terminal Posts
44
Fault Localization
45
Typical Part Failures, Causes and Symptoms
45
Troubleshooting
46
Maintenance and Servicing
52
Regular Maintenance Plan
52
Performance Checks
52
RX Sensitivity Test Setup
52
Alignments
53
Preliminary Adjustments
53
Equipment Needed
53
Alignment: Receiver
54
Second if
54
Second Local
54
First if
54
RF Section
55
Receiver Section Alignment Points
55
SINAD Sensitivity
56
Squelch Adjustment
56
Alignment: Transmitter
57
Oscillator Circuit
57
Multiplier Stages
57
Bandpass Filter Adjustment
57
Test Setup
58
Deviation Setting
58
RF Power Adjustment
59
AFP Circuit
59
Booster Unit Alignment Points
59
Alignment: Tone Squelch
60
Encoder Output Level Adjustment
60
Decoder Input Level Adjustment
60
Tone Frequency Adjustment
60
Parts List and Ordering Data
62
Parts Order Example
62
Parts List
66

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Yaesu FTC-4610 Maintenance Service Manual (80 pages)

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