Name: Yamaha PM4000
Brand: Yamaha
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PROFESSIONAL AUDIO MIXING CONSOLE

PM4000

OPERATING MANUAL

YAMAHA

How to Use this Manual4
Table of Contents5
Page Sect. Title5
Section 1. Introduction7
Section 2. Brief Operating Instructions12
PM4000 Front Panel Features12
- The Standard Monaural Input Module12
- The Stereo Input Module18
The Master Module24
The Stereo Master Module28
The TB (Talkback) Module30
The Monitor Module33
The Meter Bridge36
PM4000 Rear Panel Features38
- The PW4000 Power Supply45
Section 3. Specifications47
PM4000 Mixing Console General Specifications48
PW4000 Power Supply Specifications49
Dimensional Drawings51
Block Diagrams54
Section 4. Installation Notes60
Planning an Installation61
- Power Mains61
- Verify the Correct Mains Voltage61
Ensure There Is a Good Earth Ground61
How to Obtain a Safety Ground When Using a 2-Wire Outlet62
- Improperly Wired AC Outlets: Lifted Grounds63
Improperly Wired AC Outlets: Lifted Neutral63
AC Safety Tips64
- Power Source Integrity64
- Turn-On Sequencing64
- Ground Loops66
- Basic Grounding Techniques67
- Balanced Lines and Ground Lift Switches68
- Audio Connectors and Cables69
Types of Cable to Use70
- Cable Layout70
Balanced Versus Unbalanced Wiring70
The Pro's and Con's of Input Transformers73
Noise and Losses in Low and High74
- Impedance Lines74
Direct Boxes75
Passive Guitar Direct Box75
Active Guitar Direct Box77
Configuring Equipment Racks77
Section 5. Gain Structure and Levels80
Standard Operating Levels80
- Dynamic Range and Headroom81
- What Is Dynamic Range81
A Discussion of Headroom81
What Happens When the Program Source Has Wider Dynamics than the Sound Equipment81
A General Approach to Setting Levels in a Sound System83
- How to Select a Headroom Value and Adjust Levels Accordingly83
Gain Overlap and Headroom85
Section 6. Optional Functions86
Removing and Installing a Module88
- Mono Input Direct out Jack: Pre-Fader or Post-Fader (Switch) Pre-ON or Post-ON Switch (Jumper)89
- Mono Input Aux Sends: Pre Fader & EQ or Pre Fader/Post EQ90
Mono Input Cue/Solo Switch: Pre-Fader or Follow MT PRE Switch91
- Stereo Input Cue/Solo Switch: Pre-Fader or Follow MT PRE Switch92
- Mono & Stereo Input Channel MT PRE Switch: Pre- or Post-ON Switch93
- Stereo Input Channel Insert In/Out Jacks: Pre-EQ or Post-EQ94
- Stereo Input Channel Aux Sends96
- Stereo Input Channel Stereo97
Stereo Input Channel Feed to Monitor98
- Module ST in 3 or ST in98
Phase Switch Function: Change Polarity of99
Stereo Input Module: Output Enable100
Master Module: Group-To-Matrix Assigned101
Stereo Master to Matrix ST Bus: Pre or Post102
Installation of Optional Input Transformers103
Hints on Circuitry for Remote Control of104
Section 7. Operating Notes and Hints106
Console Gain Structure107
What Is the Proper Gain Structure107
What Affects Gain Structure107
- Establishing the Correct Input Channel Settings107
Establishing the Correct Group Master Settings108
- Establishing the Correct Aux Send Master Settings108
- Establishing the Correct MIX Matrix Settings108
- Establishing the Correct Aux Return Settings109
- How VCA Control Affects Gain Structure109
Channel Muting and Gain Structure110
- Further Hints & Conceptual Notes110
What Is a VCA, and Why Is It Used110
- The Distinction between the Group Busses and the VCA Master "Groups110
Using the Channel Insert in Jack as a Line Input113
- Understanding and Using the MIX Matrix113
- The MIX Matrix in General Sound Reinforcement115
- Using the Matrix Sub Inputs for Effects115
- Uses of the Matrix to Pre-MIX Scenes116
- Understanding and Use of the Master Mute Function116
- Stereo Panning to the Eight Group Mixing Busses118
Section 8. Applications119
General120
Theatre120
- Production120
Post Production121
- Video121
- Sound Reinforcement122
- Setup Concepts122
Deriving a Stereo MIX from Groups122
The MIX Matrix Allows the 8 Groups Plus123
How to Get 5 Independent Stereo Mixes or123
- How to Use the VCA Masters Plus the125
- Using more than One VCA Master to Control the same Input Channels in Order to Handle Overlapping Scenes126
Section 9. Maintenance127
- Cleaning the Console128
The Console and Power Supply Exterior128
- Power Supply Air Filters128
- Pots and Faders128
- The Console Interior128
Meter Lamp Replacement129
- Where to Check if There Is no Output129
- What to Do in Case of Trouble130

Brand	Yamaha
Model	PM4000
Category	Music Mixer
Language	English

Yamaha PM4000 User Manual

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