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G-187
LTV G-187 VHF Surveillance Receiver Manuals
Manuals and User Guides for LTV G-187 VHF Surveillance Receiver. We have
1
LTV G-187 VHF Surveillance Receiver manual available for free PDF download: Instruction Book
LTV G-187 Instruction Book (75 pages)
SPECIAL PURPOSE RECEIVER
Brand:
LTV
| Category:
Receiver
| Size: 6 MB
Table of Contents
Warning & Notice
2
Table of Contents
3
Model G-187 Special Purpose Receiver, Front View
7
Semiconductor and Tube Complement
9
Semiconductor and Tube Complement
10
Section 1 - General Description
11
Purpose of Equipment
11
Description of Equipment
11
Block Diagram, Model G-187 Receiver
14
Section 2 - Theory of Operation
15
Analysis, Model G-187 Receiver
15
Master" and "Slave" Rf Tuners
16
Antenna Inputs
16
First RF Stage ("Master or "Slave" Tuner)
16
Second RF Stage ("Master" or "Slave" Tuner)
17
Mixer ("Master" or "Slave" Tuner)
18
Local Oscillator ("Master" Tuner Only)
18
Oscillator Buffer ("Slave" Tuner Only)
19
If Stages
19
FUNCTION SWITCH in 200 Kc FM POSITION, MASTER if CHANNEL
19
FUNCTION SWITCH in 200 Kc am POSITION, MASTER if CHANNEL
20
FUNCTION SWITCH in 200 Kc FM or am POSITION, SLAVE if CHANNEL
20
FUNCTION SWITCH in 40 Kc FM POSITION, MASTER if CHANNEL
20
FUNCTION SWITCH in 40 Kc am POSITION, MASTER if CHANNEL
21
FUNCTION SWITCH in 40 Kc FM or am POSITION, SLAVE if CHANNEL
21
Other Circuits
22
Video
22
Squelch
22
Receiver Squelch Circuit, Simplified Schematic
23
Audio Amplifier
24
Carrier Operated Relay (COR)
24
Receiver COR Circuit, Simplified Schematic
24
Power Supply
26
Signal Strength and Tuning Meters
27
Control Settings
28
Power
28
Function Switch
28
Squelch
28
Audio Gain
28
Section 3 - Operation
28
Introduction
28
Section 4 - Maintenance
29
Introduction
29
IF ALIGNMENT PROCEDURE (Sweep Method)
30
General Instructions
30
Equipment Required
30
Control Settings
31
Master" 200 Kc. if Channel Alignment
31
Second Limiter, Adjustment of T-507
31
Discriminator, Adjustment of T-508
31
First Limiter, Adjustment of T-505 and T-506
31
Second if Amplifier, Adjustment of T-503 and T-504
32
First if Amplifier, Adjustment of T-501 and T-502
32
Slave" 200 Kc. if Channel Alignment
32
Third if Amplifier, Adjustment of T-307 and T-308
32
Third-Second if Amplifier, Adjustment of T-305 and T-306
32
Second if Amplifier, Adjustment of T-303 and T-304
33
First if Amplifier, Adjustment of T-301 and T-302
33
Master" 40 Kc. if Channel Alignment
33
40 Kc. Band-Pass Filter, Adjustment of L-606 and L-607
33
2.5 MC. if Amplifier
34
Slave" 40 Kc. if Channel Alignment
34
40 Kc. Band-Pass Filter, Adjustment of L-602 and L-603
34
Local Oscillator Adjustments
34
Local Oscillator Adjustment, "Master" RF Tuner Only
34
E. 2.5 MC. if Amplifier
34
Mechanical Adjustments
35
Rf Amplifier Alignment
35
IF ALIGNMENT (CW Method)
36
Introduction
36
Master" 200 Kc. if Channel Alignment
36
Second Limiter Alignment - (CW Method)
36
Discriminator Alignment - (CW Method)
37
IF Amplifiers (CW Method)
38
Slave" 200 Kc. if Channel Alignment
39
Third if Amplifier, Adjustment of T-307 and T-308
39
IF Amplifiers
39
Master" 40 Kc. if Channel Alignment
40
40 Kc. Band-Pass Filter, Adjustment of L-606 and L-607
40
2.5 MC. if Amplifier
40
Slave" 40 Kc. if Channel Alignment
41
40 Kc. Band-Pass Filter, Adjustment of L-602 and L-603
41
2.5 MC. if Amplifier
41
Model G-187 Receiver, Top View (Dust Cover Removed)
44
Model G-187 Receiver, Bottom View (Dust Cover Removed)
45
Model G-187 Receiver, Rear View
46
Model G-187 Receiver, Panoramic Top View (Cover Removed)
47
Model G-187 Receiver, Panoramic Top View Left Side (C. R.)
48
Model G-187 Receiver, Panoramic Top View Right Side (C. R.)
49
Model G-187 Receiver, Panoramic Bottom View (C. R.)
50
Model G-187 Receiver, Panoramic Bottom View Left Side (C. R.)
51
Model G-187 Receiver, Panoramic Bott. View Right Side (C. R.)
52
Model G-187 Receiver, Large Component Board
54
Model G-187 Receiver, Small Component Board
55
Model G-187 Receiver, Auxiliary & Output Circuits (Top View)
55
Model G-187 Receiver, Auxiliary & Output Circuits (Bott. View)
55
Model G-187 Receiver, Auxiliary & Output Circuits (Bott. View)
56
Master RF Tuner, Bottom View (Cover Removed)
59
Slave RF Tuner, Bottom View (Cover Removed)
60
MC - 200 Kc. BW if Strip, Bottom View
61
Controls in the Front Panel (Bottom Side)
65
Power Supply Section, Top View
66
Schematic Diagram: Master RF Tuner
67
Schematic Diagram: Slave RF Tuner
68
Schematic Diagram: 21.4 MC.- 200 Kc. BW if Strip
69
Schematic Diagram: Main Chassis Circuits
71
Schematic Diagram: Mainframe
72
Schematic Diagram: Power Supply Circuits
73
Schematic Diagram: Various Details
74
Disclaimer
75
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