Alliance T-20 Antenne
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Modell:
T-20
Datum:
0
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Beschreibung:
Information
The Alliance Tenna-Rotor® consists of two units: the
rotor unit, which mounts on the mast below the Antenna,
and the control box, which is placed on or about the TV
receiver. These are interconnected by a four- or
five-conductor cable.
The theory of operation concerns two separate circuits.
The first is the power circuit, which in all Tenna-Rotors®
transmits the power that actuates the motor and rotates
the Antenna. The second is the indicator or signal circuit,
which reports the rotor’s progress back to the control
box. In the K-22
the signal circuit turns on the panel
light when the rotor reaches the stop or end of rotation.
In the T-10
T-12
T-20
and T-45
the signal circuit
registers the Antenna direction on the control box
indicator. The signal circuit in the U-83
U-98
and U-100
actuates the escapement assemblies, causing the rotor
to turn to the desired position automatically.
The Model C-225 is an automatic, transistorized unit
using a unique patented Phase-sensing unit. The use
of this bridge circuit results in extreme accuracy,
quiet operation of control, and constant synchronization.
Rotation is attained from a reversible, capacitor-type
24 volt, AC motor and is limited by mechanical stops
within the rotor housing. The U-83
U-98
and U-100
controls are protected by a thermostat within the rotor
or control assembly.
The Alliance Tenna-Rotor® Models K-22
T-12
and U-98
produced after June 1, 1958, have been changed from a
speed of 2 RPM to a speed of 1 RPM.
This change makes possible better orientation for
“color” and “black and white” television reception,
improves torque, braking, and general overall performance.
Kits are available to convert the T-10
U-83
K-22
T-12, and U-98 rotors manufactured before June 1, 1958,
to 1 RPM.
Dokumenttyp:
Serviceanleitung
Seiten:
50
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14.17 Mbytes (14861430 Bytes)
Sprache:
english
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2013 03 16
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Information
CHAPTER I ... ... Tenna-Rotors in General ... 1
Installation and Service Hints ... 1
Interchangeability of Alliance Tenna-Rotors ... 2
Wire Charts ... 2
Wire Chart for Extra Long Runs of Cable ... 2
Use of 2 or more Controls on One Rotor ... 2
CHAPTER I! ... MODEL T-10
General Information ... 3
Servicing Procedure ... 3
Trouble Shooting ... 4
Parts List ... 5
CHAPTER 111 ... MODEL U-83
General Information ... 7
Servicing Procedure ... 7
Trouble Shooting ... 7
Adjustment Instructions ... 8
Parts List ... 11
CHAPTER IV ... MODEL K-22
General Information ... 13
Service Procedure ... 13
Trouble Shooting ... 14
Parts List ... 15
Model K-22A Tenna-Rotor ... 15
CHAPTER V ... MODEL T-12
General Information ... 17
Service Procedure ... 17
Trouble Shooting ... 18
Adjustment Instructions ... 18
Parts List ... 19
CHAPTER VI ... MODEL U-98
General Information ... 21
Service Procedure ... 21
Trouble Shooting ... 22
Parts List ... 23
CHAPTER VII ... MODEL T-20
General Information ... 25
Servicing Procedure ... 26
Trouble Shooting ... 27
Adjustment Instructions ... 27
Parts List ... 28
CHAPTER VIII ... MODEL U-100
General Information ... 29
Servicing Procedure ... 29
Voltage Chart ... 30
Trouble Shooting ... 32
Parts List ... 32
Change Notice ... 32
CHAPTER IX ... MODEL T-45
General Information ... 33
Servicing Procedure ... 33
Resistance Check Chart (Rotor) ... 34
Resistance Check Chart (Control Box) ... 34
Trouble Shooting ... 35
Adjustment Instructions ... 35
Parts List ... 37
CHAPTER X ... MODEL C-225
General Information ... 39
Circuit Description ... 39
Servicing Procedure ... 40
Resistance Check Chart (Rotor) ... 42
Control Box Resistance Check ... 42
Trouble Shooting ... 42
Parts List ... 43
CHAPTER XI ... MODEL C-225A
General Information ... 45
Circuit Description ... 45
Servicing Procedure ... 46
Control Box Resistance Check ... 47
Trouble Shooting ... 47
Parts List ... 48
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