Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Radio Shack Manuals
Transceiver
HTX-212
Service manual
Table Of Contents - Radio Shack HTX-212 Service Manual
2-meter amateur vhf-fm ham transceiver
Hide thumbs
Also See for HTX-212
:
Owner's manual
(44 pages)
,
Owner's manual
(44 pages)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
Table Of Contents
72
page
of
72
Go
/
72
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
Table of Contents
Contents
1
Specifications
2
Block Diagram
5
Theory Of Operation
9
Transmitter
9
Microphone Audio Circuit
9
Transmitter Stage And Harmonic Filter
9
Rx And Tx Voltage Controlled Oscillator Module
10
Rx And Tx Power Line Filter
10
Rx Vco
10
Tx Vco
10
Receiver
11
Out Of Lock Detector
11
Rf Amplifier
11
First Mixer And First If Amplifier
11
High Pass Filter
12
Audio Amplifier
12
Mute Circuit
12
Microprocessor
12
Ctcss Transmit
13
Dtmf Decoding Circuit
13
Dtmf Encoding Circuit
13
Channel Select Circuit
13
Alignment And Adjustment
14
Alignment Test Points And Parts Locations
14
Rf Board
14
Digital Board
14
Phase Locked Loop And Cpu Section
15
Test Equipment Required
15
General Alignment Procedure
15
Transmitter Section
16
Receiver Section
18
Troubleshooting
19
Error Display
20
Internal Ram Error
20
Pll Unlock Error
20
Pll Alignment
20
Printed Circuit Board
21
Rf Pcb
21
Digital Pcb
23
Microphone Pcb
25
Vco Pcb
25
Top View
25
Bottom View
25
Wiring Diagram
26
Exploded View
27
Exploded View Parts List
28
Main Set
28
Electrical Parts List
30
Semiconductor Lead Identification And Ic Internal Diagrams
47
Pin Connection
51
Equivalent Circuit
51
Semiconductor Voltage Chart
58
Transistors
58
Ic's
59
At Tone Squelch Function
62
At Dtmf Squelch Function
63
Rf Schematic
65
Microphone Schematic
69
Previous
Page
1
...
69
70
71
72
Show Quick Links
Quick Links:
Block Diagram
Microphone Audio Circuit
Transmitter
Wiring Diagram
Rf Schematic
Microphone Schematic
Hide quick links:
Permanently
Temporary
Cancel
Advertisement
Table of Contents
Related Manuals for Radio Shack HTX-212
Transceiver Radio Shack HTX-212 Owner's Manual
Two-meter mobile transceiver (44 pages)
Transceiver Radio Shack HTX-212 Owner's Manual
Two-meter mobile transceiver (44 pages)
Transceiver Radio Shack HTX-242 Owner's Manual
Htx-242 two-meter mobile transceiver (48 pages)
Transceiver Radio Shack HTX-242 Service Manual
Deluxe 2-meter amateur vhf-fm ham transceiver (73 pages)
Transceiver Radio Shack HTX-242 Owner's Manual
Two0meter mobile transceiver (48 pages)
Transceiver Radio Shack HTX-252 Owner's Manual
2–meter amateur fm mobile transceiver (40 pages)
Transceiver Radio Shack HTX-245 Service Manual
Mini hamndheld 2m/70cm fm amateur transceiver (65 pages)
Transceiver Radio Shack HTX-202 Owner's Manual
2-meter (44 pages)
Transceiver Radio Shack HTX-202 Owner's Manual
2-meter fm transceiver (79 pages)
Transceiver Radio Shack HTX-202 Owner's Manual
2-meter fm transceiver (44 pages)
Transceiver Radio Shack HTX-420 Owner's Manual
Compact handheld 2m/70cm fm amateur transceiver (29 pages)
Transceiver Radio Shack HTX-10 Owner's Manual
10-meter (36 pages)
Transceiver Radio Shack HTX-10 Owner's Manual
10-meter transceiver (34 pages)
Transceiver Radio Shack HTX-400 Service Manual
Mini handheld 70cm fm, amateur (42 pages)
Transceiver Radio Shack HTX-400 Owner's Manual
Mini handheld 70cm fm amateur transceiver (36 pages)
Transceiver Radio Shack HTX-404 Owner's Manual
440 mhz (70cm) amateur uhf fm transceiver (24 pages)
Related Content for Radio Shack HTX-212
HTX-202 Contents
Radio Shack HTX-202
HTX-242 Contents
Radio Shack HTX-242
HTX-245 Contents
Radio Shack HTX-245
HTX-10 Contents
Radio Shack HTX-10
TRC-485 Contents
Radio Shack TRC-485
This manual is also suitable for:
19-1125
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL