RCA 76-B4 Manuals

Manuals and User Guides for RCA 76-B4. We have 1 RCA 76-B4 manual available for free PDF download: Manual

RCA 76-B4 Manual

RCA 76-B4 Manual (44 pages)

Brand: RCA | Category: Transmitter | Size: 1.77 MB

Table of Contents

Table of Contents
3
Technical Data
5
Description
6
Associated Equipment
7
Microphones
7
Microphone Stands
7
Transcription Turntables
7
Recorders
7
Recording Amplifiers
7
Loudspeakers
7
Signal Lights and Relays
9
Power Supply
9
Conduit Terminating Box
9
Db Pad for Telephone Lines
9
BR -84 Rack or MI -11500 Wall Box
9
Radiotrons
9
Wall and Floor Outlets
9
Figure 3-6 Db Pad for Telephone Lines
9
Figure 4-Suggested Recording Setups
10
Figure 5-Front Panel Layout
10
Figure 6-Relay Mounting Cabinet
11
Figure 7-Installation Diagram
11
Locating and Connecting Equipment
12
Connections to 76-B2 and 76-B4 Consolettes
12
Figure 8-Mounting Dimensions
12
Audio Input Connections
13
Audio Output Connections
13
Figure 9-Schematic of VU Meter and Pad
13
Connecting Associated Equipment
14
Addition of Signal Lights
14
Studio "On Air" and "On Audition" Signal Lights
14
Figure 10-Loudspeaker Connections
14
Control Room on Air Relay
15
Announce Booth Speaker and Signal Light Relays
15
Console Signal Lights
15
Instantaneous Recorder
15
Conduit List for Types 76-B2 and 76-B4
16
Consolettes
16
Part II-Operation
20
General
20
Program Channel
20
Audition Channel
21
Monitoring
21
Auditioning
21
Cueing
21
Talk -Back
21
Remote Line Cue and Phone
21
Cue
21
Phone
21
Override Switch
21
Emergency Program Channel
21
Emergency "B" Supply
22
Relay Operation
22
Speaker Relay Interlock
22
Light Relay Interlock
22
Figure 13-Announce Booth Relay Connections
22
Figure 14-Simplified Schematic of Control Circuits
23
Speaker Relay Interlock (Two or Three Studio Operation)
24
Light Relay Interlock (Two or Three Studio Operation)
24
Speaker Relay Interlock (Single Studio Operation)
25
Light Relay Interlock (Single Studio Operation)
25
Suggested Operating Procedure
25
To Place a Program on the Air
25
To Audition Studio B While Studio a Is on the Air
26
To Cue Studio B from Studio a and then Place Studio B on the Air
26
To Cue Studio B from a Cue Line and then Place Studio B on the Air
26
To Talk Back to Studio a or Studio B
26
Announcing
26
Emergency Use of Monitor Amplifier
26
Network Monitoring
26
Figure 16-Schematic Diagram (W-131973)
28
Technical Data
29
Description
29
Installation
30
Mounting
30
Connections
30
Loudspeaker Field Supply
30
Emergency Switch
30
Hum Adjustment
31
Figure 19-Interior View of Power Supply
31
Figure 22-Rear View of Power Supply Chassis
34
Maintenance
35
Inspection and Checking
35
Care of Pushbutton Switches
36
Care of Key Switches
36
Voltage Measurements
36
Replacement Parts
37
Figure 23-Relay Mounting Plate Wiring
37
List of Parts
38
Figure 24-Line Transformer Wiring
38
Figure 26-Program Amplifier Mounting Plate Wiring
40
Figure 28-Front Panel Wiring (W-131969)
43
Figure 29-Overall Wiring Diagram (W-131681)
44

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