AUDIO TELEX TX3028 Operating and installation instructions

Australian Monitor
1 Clyde Street, Silverwater NSW 2128 Australia
[phone]
www.australianmonitor.com.au
SERVICE INFORMATION
AUDIO TELEX
TX3028
VOX MODULE
CONTENTS:
SCHEMATIC DIAGRAM
INSTALLATION INSTRUCTIONS

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A
B
C
D
8
7654321
D
C
B
A
Title
Number RevisionSize
A3
Date: 18-May-2006 Sheet of
File: C:\Protel Files\CDTRAX\CD6197-1.DDB Drawn By:
C20
47u
R28
10K
R27
47K
C21
47u R26
47K
R25
10K
R24
5K6
VCC
VCC
VCC
R23
5K6
V3
V2
V1
VCC
VCC
VCC
C19
47u
VCC
C23
47u R22 2K2
R21
2K2
IC6
D7
D6
D5
D4
D3
C22
820p
C18
4u7
C17
4u7
C16
4u7
C15
4u7
C14
4u7
C13
4u7
C12
4u7
C11
4u7
R20
10K R19
5K6
R18
5K6
R17
33K
R16
1K
R15
1K
R14
100K
R13
100K
R12
22K
R11
22K
VCC
VCC
C10
820P
C9
820P
R10
100K
R9
100K
R8
5K6
R7
5K6
R6
1K
R5
1K
R4
22K
R3
22K
R2
33K
R1
33K
C8
47p
C7
47p
C6
4U7
C5
4U7
C4
4U7
C3
4U7
C2
4U7
C1
4U7
IC5B
IC5A
IC4
IC3
IC2
IC1B
IC1A
A
6V
6V
6V
6V
11 RS
TX8200 MUTING
CD6197-1
8
7
6
3
2
1
4
3
21
5
67
8
8
7
6
3
2
1
4
3
21
8
7
6
3
2
1
5
67
8
X3/9
X3/8
X3/7
X3/6
X3/5
X3/4
X3/3
X3/2
X3/1
+6V
+12V LM7812
LK1
INSTALLATION
REMOVE 8 PIN CONNECTOR
MIXER PCB 6195 (X3)
ON
CONNECT LOOM OF PCB 6197
TO X3 ON PCB 6195
BLUE TRACE ON LOOM
SHOULD GO TOWARDS BACK
(SEEN FROM FRONT OF CHASSIS)
--------------------
THE

TX3O28 VOICE OPERATED MUTING MODULE FOR THE TX8zOO
I NSTALLATION I NSTRUCTIONS
Thank you for choosing an Audio Telex TX3028 voice operatd mute module. The TX3028 allows for muting of background music
sources- such as a CD player or cassette deck when a signal is detected at ttre microphure input Ch. l, (whici is usuafy the paging
microphure input) in the TX8200 stereo mixer. Installation into the Audio Telex fXgZOO is made simpiaby utilising a standard .e,nd,
!n9 col3ector plug, sup'plied on the module and a receptacle, already installed into ttre mixer. pteasi foU,ow these-easy instructions
for installation.
g The installation of the TX3028 involves- acce:s to tne insiae of the mixer. Installation should only be attempted by a
qualified technician. Always turn off the AC power and remove the AC power cord before attempting to access the
inside of the mixer. Please contact your nearest Audio Telex ofiice for detaiis of your nearest qualified technician.
For installation into the TX8200 mixer: Locate the empty 9 pin 'end' connector receptacle found on location X3 on the mixer
PCB behind tle input gain pot for Ch. l. Connect the module to this receptacle, ensuring that the wires from the connector exit
towards the left hand side of the mixer when looking from the front panel (oi so that the blie trace on the wires from the module is
facing the rear of the mixer).
Notes
The TX3028 is not suitable for installation into any other models of Audio Telex mixers or amplifiers. For voice operated muting
suitable for other models please refer to either the TX30l0 module or TX30l4 dual priority mutini module. I