Wheatstone Corporation A-7000 User manual

A-7000 Audio Console
TECHNICAL MANUAL
600 Industrial Drive, New Bern, North Carolina, USA 28562

WHEATSTONE CORPORATION
600 Industrial Drive
New Bern, North Carolina 28562
tel [phone] / fax [phone]
A-7000 Audio Console Technical Manual - 1st EditionA-7000 Audio Console Technical Manual - 1st Edition
A-7000 Audio Console Technical Manual - 1st EditionA-7000 Audio Console Technical Manual - 1st Edition
A-7000 Audio Console Technical Manual - 1st Edition
©2002 Wheatstone Corporation
A-5000 / Nov 98
A-7000 / Sep 2002

Your Wheatstone A-7000 audio console is equipped with two
"module extractor tools" which are mounted in the front panel
of the console mainframe (underneath and to the right, just
behind the console’s armrest).
All modules are held into the console mainframe by two panel screws (top
and bottom) which, when removed, leave specially threaded holes that
accept the two extractor tools.
To remove a module from the mainframe:
Remove the front top and bottom module mounting screws, unscrew the
extractor tools from the mainframe, and screw each tool into a module
mounting hole. Use only four or five turns (do not over-insert; you may
damage the threaded mainframe hole underneath). Using the extractor tools
as handles, pull the module straight up out of the mainframe.
Module Removal Tools
EXTRACTOR TOOLS

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CONTENTS
A-7000 Technical Manual
Table of Contents
Chapter 1 - Installation and Power
Unpacking the Console ............................................................. 1-2
MainframeInstallation ............................................................... 1-2
System Ground .......................................................................... 1-3
Power Supplies .......................................................................... 1-4
The PSC-6008 Power Supply................................................................................. 1-5
Power Connector Pinout......................................................................................... 1-5
Failsafe Dual Redundant Supply............................................................................ 1-6
Energizing ............................................................................................................... 1-6
Audio and Control Wiring.......................................................... 1-7
The Insulation Displacement Connector System ................................................... 1-7
ConnectionProcedures .......................................................................................... 1-8
Analog Insert Points................................................................................................ 1-8
UnbalancedConnections ....................................................................................... 1-8
Wiring Procedure - Double Connection to One Pin................................................ 1-9
Chapter 2 - Mono Mic/Line Input Module
Module Overview........................................................................ 2-2
Flow Diagram.......................................................................................................... 2-2
Controls and Functions........................................................................................... 2-3
Internal Programming Options ................................................. 2-5
Mono Input Signal Routing Switches ................................................................. 2-5
Source Select ......................................................................................................... 2-5
Music/Speech Assign (PGM & AUD) ..................................................................... 2-5
Insert Bypass .......................................................................................................... 2-6
Mix-Minus Assign.................................................................................................... 2-6
Talkback Assign...................................................................................................... 2-6
IFB Assign............................................................................................................... 2-6
Mono Input Switch Controlled Logic Functions ............................................... 2-6
Axiliary Assign ........................................................................................................ 2-6
Utility Assign ........................................................................................................... 2-6
MXM/Send Assign .................................................................................................. 2-7
CUE and Solo Dropout ........................................................................................... 2-7
Mutes ...................................................................................................................... 2-7
Tally ........................................................................................................................ 2-7
Timer Restart .......................................................................................................... 2-8
Phantom Power ...................................................................................................... 2-8

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CONTENTS
Hook-ups........................................................................................2-8
AUDIO CONNECTIONS........................................................................................... 2-8
CONTROL CONNECTIONS..................................................................................... 2-9
ON & OFF Switch ..................................................................................................... 2-9
Cough ....................................................................................................................... 2-9
Talkback to Control Room ....................................................................................... 2-10
On Tally.................................................................................................................... 2-10
Off Tally.................................................................................................................... 2-10
DB Connector Pinout Drawing....................................................2-11
Chapter 3 - Stereo Line Input Module
Module Overview...........................................................................3-2
Flow Diagram............................................................................................................ 3-2
Controls and Functions............................................................................................. 3-3
Internal Programming Options ....................................................3-5
Stereo Input Signal Routing Switches ................................................................. 3-5
Music/Speech Assign ............................................................................................... 3-5
Insert Bypass ............................................................................................................ 3-5
Mix-Minus Assign...................................................................................................... 3-6
Send Mode................................................................................................................ 3-6
IFB Assign................................................................................................................. 3-6
Stereo Input Switch Controlled Logic Functions................................................ 3-6
Auxiliary Assign ........................................................................................................ 3-6
Utility Assign ............................................................................................................. 3-6
Remote ON/OFF - Start/Stop Disable ...................................................................... 3-6
External - Pulse/Constant......................................................................................... 3-7
Send Assign.............................................................................................................. 3-7
Mono Assign ............................................................................................................. 3-7
CUE and Solo Dropout ............................................................................................. 3-7
EFS (European Fader Start)..................................................................................... 3-7
Local Ready Function............................................................................................... 3-7
Mutes ........................................................................................................................ 3-7
Tally .......................................................................................................................... 3-8
Timer Restart ............................................................................................................ 3-8
Hook-ups........................................................................................3-8
AUDIO CONNECTIONS........................................................................................... 3-8
CONTROL CONNECTIONS..................................................................................... 3-9
ON & OFF Switch .................................................................................................... 3-10
On Tally.................................................................................................................... 3-10
External START & STOP ........................................................................................ 3-10
Ready....................................................................................................................... 3-11
DB Connector Pinout Drawing....................................................3-12

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CONTENTS
Chapter 4 - Output Modules
Module Overview...........................................................................4-2
Flow Diagram............................................................................................................ 4-2
Internal Programming Options ....................................................4-3
Music Insert Bypass.................................................................................................. 4-3
Speech Insert Bypass............................................................................................... 4-3
Bus-Minus Assign ..................................................................................................... 4-3
Hook-ups........................................................................................4-3
Master Output A...................................................................................................... 4-3
Audio Outputs ........................................................................................................... 4-3
Program Insert Points............................................................................................... 4-4
Master Output B...................................................................................................... 4-5
Audio Outputs ........................................................................................................... 4-5
Audition Insert Points................................................................................................ 4-6
DB Connector Pinout Drawing
Master A.................................................................................................................... 4-7
Master B.................................................................................................................... 4-8
Chapter 5 - Control Room Module
Module Overview...........................................................................5-2
Flow Diagram............................................................................................................ 5-2
Controls and Functions............................................................................................. 5-3
Internal Programming Options ....................................................5-4
Hook-ups........................................................................................5-5
Upper DB-25 Connector — AUDIO.......................................................................... 5-5
Lower DB-25 Connector — AUDIO.......................................................................... 5-5
DB-9 Connector — CONTROL................................................................................. 5-6
DB Connector Pinout Drawing.....................................................5-7
Chapter 6 - Studio Control Module
Module Overview...........................................................................6-2
Flow Diagram............................................................................................................ 6-2
Controls and Functions............................................................................................. 6-3
Internal Programming Options ....................................................6-3
Hook-ups........................................................................................6-4
Upper DB-25 Connector — AUDIO OUTPUTS........................................................ 6-4
Lower DB-25 Connector — AUDIO INPUTS............................................................ 6-4
DB-9 Connector — TALKBACK ............................................................................... 6-5
DB Connector Pinout Drawing.....................................................6-6

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CONTENTS
Chapter 7 - Meter Output Module
Module Overview...........................................................................7-2
Flow Diagram............................................................................................................ 7-2
Internal Programming Options ....................................................7-3
Hook-ups........................................................................................7-3
DB Connector Pinout Drawing.....................................................7-4
Chapter 8 - Superphone Input Module
Module Overview...........................................................................8-2
Flow Diagram............................................................................................................ 8-2
Controls and Functions............................................................................................. 8-3
Internal Programming Options ....................................................8-3
Cue Dropout.............................................................................................................. 8-3
AUX Enable .............................................................................................................. 8-3
UTL Enable ............................................................................................................... 8-3
Mics to Assign........................................................................................................... 8-4
Output Assign ........................................................................................................... 8-4
Mutes ........................................................................................................................ 8-4
On-Air Tally............................................................................................................... 8-4
Cue Enable ............................................................................................................... 8-4
Timer Restart ............................................................................................................ 8-4
Hook-ups........................................................................................8-5
Upper DB-25 Connector—Audio Inputs ................................................................... 8-5
Lower DB-25 Connector—Audio Outputs ................................................................ 8-5
Lower DB-25 Connector—Control Connections ...................................................... 8-6
DB Connector Pinout Drawing.....................................................8-7
Chapter 9 - Line Preselector Module
Module Overview...........................................................................9-2
Flow Diagram............................................................................................................ 9-2
Internal Programming Options ....................................................9-3
Hook-ups........................................................................................9-3
Upper DB-25 Connector—Audio Inputs 1-4............................................................. 9-3
Lower DB-25 Connector—Audio Inputs 5-8............................................................. 9-3
DB-9 Connector—Audio Outputs ............................................................................. 9-4
DB Connector Pinout Drawing.....................................................9-5
Chapter 10 - Tape Remote Module
Module Overview..........................................................................10-2
DB Connector Pinout Drawing
Full-FunctionControl ............................................................................................... 10-3
START/STOP Function Control............................................................................... 10-4

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CONTENTS
Chapter 11 - Meterbridge
Overview .......................................................................................11-2
Digital Timer .................................................................................11-2
Console Clock ..............................................................................11-2
Controls.................................................................................................................... 11-3
Setting the Time....................................................................................................... 11-3
Capacitor Backup .................................................................................................... 11-3
Operational Modes .................................................................................................. 11-3
Chapter 12 - Parts List
ML-7000A Mono Input Module ................................................................................ 12-2
ML-7000CA Mono Input Module.............................................................................. 12-3
ML-7000AF (w/EQ) Mono Input Module.................................................................. 12-4
ML-7000 Main PCB ................................................................................................. 12-6
SL-7000B Stereo Input Module ............................................................................... 12-8
SL-7000BZ Stereo Input Module............................................................................. 12-9
SL-7000BN (w/EQ) Stereo Input Module ............................................................... 12-10
SL-7000 Main PCB ................................................................................................. 12-12
OM-7000/A Master A Module ................................................................................. 12-14
OM-7000/B Master B Module ................................................................................. 12-16
CR-7000 Control Room Module ............................................................................. 12-18
SC-7000 Studio Control Module............................................................................. 12-21
SS-7000 Source Select (used for CR & SC modules) ........................................... 12-24
MO-7000 Meter Output Module.............................................................................. 12-25
SPN-7000 Superphone Module.............................................................................. 12-27
SL1X-6000 Loaded Card........................................................................................ 12-30
SPH2X-6000 Loaded Card..................................................................................... 12-31
LS-7000 Line Selector ............................................................................................ 12-32
TR-7000/FF Tape Remote ..................................................................................... 12-33
TR-7000/SS Tape Remote ..................................................................................... 12-34
CLK-70 Clock.......................................................................................................... 12-35
CLD-70 Clock Display............................................................................................. 12-37
PSC-6008 Power Supply........................................................................................ 12-38
LED-1 Loaded Card................................................................................................ 12-40
A7000-42 Frame..................................................................................................... 12-41
A7000-36 Frame..................................................................................................... 12-43
A7000-32 Frame..................................................................................................... 12-45
A7000-28 Frame..................................................................................................... 12-47
A7000-25 Frame..................................................................................................... 12-49
A-7000 Console ...................................................................................................... 12-51
A-7000 Spare Parts Kit........................................................................................... 12-52

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CONTENTS
Chapter 13 - Schematic Drawings
Mono Mic Input
ML-7000 Module Schematic.................................................................................... 13-3
ML-7000 Module Load Sheet .................................................................................. 13-8
MLE-7000 Module w/EQ Schematic ....................................................................... 13-9
MLE-7000 Module w/EQ Load Sheet..................................................................... 13-10
IPS-7000 Switch Card Schematic .......................................................................... 13-11
IPS-7000 Switch Card Load Sheet......................................................................... 13-12
EQ/IPS-7000 Switch Card Schematic .................................................................... 13-13
EQ/IPS-7000 Switch Card Load Sheet .................................................................. 13-14
SW2-700 Switch Card Schematic .......................................................................... 13-15
SW2-700 Switch Card Load Sheet......................................................................... 13-16
Stereo Line Input
SL-7000 Module Schematic ................................................................................... 13-17
SL-7000 Module Load Sheet.................................................................................. 13-22
SLE-7000 Module w/EQ Schematic ....................................................................... 13-23
SLE-7000 Module w/EQ Load Sheet ..................................................................... 13-24
EQ/S/IPS-7000 Switch Card Schematic................................................................. 13-25
EQ/S/IPS-7000 Switch Card Load Sheet ............................................................... 13-26
IPS-7000 & SW2-700 Schematics and Load Sheets see pages
13-11, 13-12, 13-15 & 13-16
Output Master
OM-7000 Module Schematic .................................................................................. 13-27
OM-7000 Module Load Sheet ................................................................................ 13-29
Control Room
CR-7000 Module Schematic................................................................................... 13-30
CR-7000 Module Load Sheet ................................................................................. 13-35
SPS-7000 Switch Card Schematic......................................................................... 13-36
SPS-7000 Switch Card Load Sheet ....................................................................... 13-37
SS-7000 Source Select Schematic ........................................................................ 13-38
SS-7000 Source Select Load Sheet....................................................................... 13-39
SW1-700 Switch Card Schematic .......................................................................... 13-40
SW1-700 Switch Card Load Sheet......................................................................... 13-41
Studio Control
SC-7000 Module Schematic................................................................................... 13-42
SC-7000 Module Load Sheet ................................................................................. 13-44
MMS-7000 Switch Card Schematic........................................................................ 13-45
MMS-7000 Switch Card Load Sheet ...................................................................... 13-46
SS-7000 & SW1-700 Schematics and Load Sheets see pages 13-38 - 13-41
Meter Output
MO-7000 Module Schematic .................................................................................. 13-47
MO-7000 Module Load Sheet ................................................................................ 13-49
UTS-7000 Switch Card Schematic......................................................................... 13-50
UTS-7000 Switch Card Load Sheet ....................................................................... 13-51
MMS-7000 Schematic and Load Sheet see pages 13-45 & 13-46
Superphone
SPN-7000 Module Schematic ................................................................................ 13-52
SPN-7000 Module Load Sheet............................................................................... 13-54

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CONTENTS
SPH2X-7000 Superphone Module Fix Card Schematic ........................................ 13-55
SPH2X-7000 Superphone Module Fix Card Load Sheet....................................... 13-56
SL1X-7000 Stereo Line Module Fix Card Schematic ............................................ 13-57
SL1X-7000 Stereo Line Module Fix Card Load Sheet........................................... 13-58
SPS-7000 Schematic and Load Sheet see pages 13-36 & 13-37
Line Select
LS-7000 Module Schematic ................................................................................... 13-59
LS-7000 Module Load Sheet.................................................................................. 13-61
Tape Remote
TR-7000 Module Schematic ................................................................................... 13-62
TR-7000 Module Load Sheet ................................................................................. 13-63
Clock/Timer(CLK-70)
Schematic ............................................................................................................... 13-64
Load Sheet.............................................................................................................. 13-65
Clock/Timer Display (CLD-70)
Schematic ............................................................................................................... 13-66
Load Sheet.............................................................................................................. 13-67
Power Supply
PSC-6008 Schematic ............................................................................................. 13-68
PSC-6008 Load Sheet............................................................................................ 13-69
PSR-1000 Schematic ............................................................................................. 13-70
PSR-1000 Load Sheet............................................................................................ 13-71
BRA1 Schematic..................................................................................................... 13-72
BRA1 Load Sheet ................................................................................................... 13-73
FSI-2 Schematic ..................................................................................................... 13-74
FSI-2 Load Sheet.................................................................................................... 13-75
LED-1 Schematic.................................................................................................... 13-76
LED-1 Load Sheet .................................................................................................. 13-77
Main Interface PCB
MB-6000 Load Sheet.............................................................................................. 13-78
Appendix
Balanced versus Unbalanced Input/Output Connections........ A-2
Level Measurement...................................................................... A-3
Troubleshooting........................................................................... A-4
Basic Procedure ....................................................................................................... A-4
Testing a “Live” Console - Precautions .................................................................... A-4
Integrated Circuits..................................................................................................... A-4
Other Details................................................................................. A-5