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Yamaha PM4000 Manual

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  • Yamaha PM4000 | Owner's Manual (image) - Page 1
    PROFESSIONAL AUDIO MIXING CONSOLE PM4000 OPERATING MANUAL YAMAHA
  • Yamaha PM4000 | Owner's Manual (image) - Page 2
    PM4000 OPERATING MANUAL
  • Yamaha PM4000 | Owner's Manual (image) - Page 3
    which is marked with the letter L or coloured RED. * This applies only to products distributed by YAMAHA - KEMBLE MUSIC (U.K.) LTD. Professional audio mixing console Typ : PM4000 82/499/EWG YAMAHA Europa GmbH This product complies with the radio frequency interference requirements of the Council
  • Yamaha PM4000 | Owner's Manual (image) - Page 4
    preference). The group faders are known as "Group Master Faders". Their function is to control the level on the eight "Group Mixing Busses. The the operator or others using or exposed to the console or related equipment. In the BRIEF OPERATING INSTRUCTIONS section of this manual, each feature is
  • Yamaha PM4000 | Owner's Manual (image) - Page 5
    Input Module 2-12 2.1.3 The Master Module (1 - 8) 2-17 2.1.4 The Stereo Master Module 2-19 2.1.5 The TB (Talkback) Module 2-22 2.1.6 The Monitor Module 2-25 2.1.7 The Meter Bridge 2-27 2.2 PM4000 Rear Panel Features 2-34 2.4 The PW4000 Power Supply Section 3. Specifications 3-1 PM4000 Mixing Console
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    Using More Than One VCA Master to Control the Same Input Channels In Order To Handle Overlapping Scenes Section 9. Maintenance 9-l 9.1 Cleaning The Console 9-1 9.1.1 The Console and Power Supply Exterior 9-1 9.1.2 Power Supply Air Filters 9-1 9.1.3 Pots And Faders 9-1 9.1.4 The Console Interior
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    Section 1 Introduction
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    be). The console is available with 24, 32, 40 or 48 input positions (24 channel versions are available in the U.S.A. only on special order). However, if fully configured with stereo input modules, the actual number of input sources is substantially higher (the mix of mono and stereo modules can add
  • Yamaha PM4000 | Owner's Manual (image) - Page 9
    and on the aux returns, and a CUE switch on every auxiliary send, the group outputs, the matrix outputs and the Figure 1-1. PM4000 Modules (Left-to-Right): Monaural Input (24, 32, 40 or 48 in console), Stereo Input (at least 4 per console), Master, Stereo Master, Talkback, and Monitor Page 1-2
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    to other equipment or other console inputs for testing. Extensive metering is provided with a total of 14 VU meters on the 24 and 32 channel versions, or 18 VU meters on the 40 and 48 channel versions (each with a peak LED). Several of these meters can be switched to monitor alternate busses, so
  • Yamaha PM4000 | Owner's Manual (image) - Page 11
    Section 2 Brief Operating Instruction
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    and pot [2S] on the stereo input module. 2.1.1 The Standard Monaural Input Module Figure 2-1a. PM4000 Standard Input Module (upper portion of module) 1. 1 2 3 4 5 6 7 8 (ASSIGN switches) These locking switches assign the channel output to group mixing busses 1 through 8. An LED indicator in each
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    practice to turn off the channel's phantom power unless it is actually in use. NOTE: The console's microphone power supply is not intended for A-B powered microphones. External supplies may be used with these devices, in which case the console's phantom power should be turned OFF on the appropriate
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    PM4000, clipping in the equalizer is detected and shown on the PEAK indicator [7] adjacent to the GAIN control. 13. EQ (In/Out switch) This locking switch INSERT OUT jack is always "live," and this switch does not affect it. The primary use of this switch is to select or de-select any signal
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    auxil- iary mixing bus. When the switch is in the center (OFF) position, no signal is applied to the auxiliary bus. NOTE: In some applications, it is preferable to have the PRE position be Pre-Fader & Post-EQ rather than PreFader & Pre EQ. The PM4000 is equipped with internal switches that make it
  • Yamaha PM4000 | Owner's Manual (image) - Page 16
    corresponding VCA MASTER Fader is set precisely to the nominal position (green LED "NOMINAL" LED illuminated). Figure 2-1c. PM4000 Standard Input Module (lower portion of module) 23. MUTE (Assign 1 - 8) Engaging any of these 8 locking switches enables the corresponding Group MUTE MASTER switch(es
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    from the 8 VCA Master Faders [47] or the VCA/MUTE CONTROL connector [129] if one or more of the VCA GROUP Assign switches [22] is engaged. 26. CUE/SOLO The function of this switch on each input channel will depend on the setting of the console's Master SOLO MODE switch [48]. If the console is set to
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    assigned to the bus. The relative level assigned to any adjacent pair of odd and even busses depends upon the use of the BAL/PAN switch and control [2S]. NOTE: The stereo input modules in mainframe positions #3 and #4 have stereo outputs that are permanently assigned to the ST CH3 and ST CH4 busses
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    practice to turn off the channel's phantom power unless it is actually in use. NOTE: The console's microphone power supply is not intended for A-B powered microphones. External supplies may be used with these devices, in which case the console's phantom power should be turned OFF on the appropriate
  • Yamaha PM4000 | Owner's Manual (image) - Page 20
    , as supplied from the factory, may help reduce feedback. However, if the two sources feeding a single input channel are reversed in polarity from one another, this function will not help you. Therefore, each PM4000 stereo input module has an optional function that causes the Ø switch to instead
  • Yamaha PM4000 | Owner's Manual (image) - Page 21
    is nothing plugged into an INSERT IN jack, operating this switch has no effect. Figure 2-2b. PM4000 Stereo Input Module (middle portion of module) NOTE: A signal processor (effects device) can be set up before it is needed, its levels adjusted using the always active INSERT OUT signal, and then the
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    Fader & Post-EQ rather than PreFader & Pre EQ. The PM4000 is equipped with internal switches channel send controls with the Aux Master LEVEL controls. If you reset BALance a stereo signal across the L & R, sides of the pair. Figure 2-2c. PM4000 Stereo Input Module (lower portion of module) Page 2-11
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    the 8 VCA Master Faders [47] or the VCA/ MUTE CONTROL connector [129] if one or more of the VCA GROUP Assign switches [22] is engaged. 26. CUE/SOLO The function of this switch on each input channel will depend on the setting of the console's Master SOLO MODE switch [48]. If the console is set to
  • Yamaha PM4000 | Owner's Manual (image) - Page 24
    The signal applied to the matrix mix is nominally derived post-group master fader, but an internal jumper switch in each master module permits this to be changed to a pre-group master fader signal. 31. MTRX MASTER The Matrix Mix level controls [29, 30] permit a mono mix to be derived from the eight
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    2-3b. PM4000 Master Module (aux send and group sections of module) 33. CUE (Matrix cue) Pressing this switch part-way down causes momentary contact; pressing it further locks it down. When the CUE switch is illuminated, the module's matrix mix signal (post insert point, pre MTRX MASTER) replaces
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    the switch within each master module changes this to a pre-Group Master Fader feed to the matrix. Refer to Section 6 for more information on this optional preset switch function. 42. GROUP MASTER FADER (Group Out Fader) This full-length fader controls the audio signal level from the group mixing bus
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    Figure 2-3c. PM4000 Master Module (VCA master section of module) VCA SECTION 46. VCA MUTE Engaging this switch is the equivalent of setting the VCA master fader at maximum kill. The switch is illuminated when the master fader is muted. This affects all input channels assigned to the correspondingly
  • Yamaha PM4000 | Owner's Manual (image) - Page 28
    busses. Figure 2-4a. PM4000 Stereo Master Module (upper portion of module) AUX 2 STEREO SEND MASTER SECTION 48. BAL/LEVEL R and LEVEL/LEVEL L (rotary controls) This pair of rotary controls' functions depends on the setting of the BAL/LEVEL switch [49]. With the switch disengaged (not illuminated
  • Yamaha PM4000 | Owner's Manual (image) - Page 29
    [48-52], except they affect the Aux 2 Stereo Output. Figure 2-4b. PM4000 Stereo Master Module (lower portion of module) STEREO MASTER SECTION 54. STEREO-TO-MTRX Engaging this locking switch assigns signal from the Stereo Output (ahead of the Stereo ON switch) to all L and R rotary mix controls
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    independently if, for example, the stereo bus is used for two discrete mono mixes. 2.1.5 The TB (Talkback) Module Figure 2-5a. PM4000 TB Module (upper portion of module) 59. 1 2 3 4 5 6 7 8 (TB/OSC To Group Bus Assign) These locking switches assign the Talkback or Oscillator signal to group
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    could partially short the console's phantom supply, cause undue loading, and induce hum. Therefore, it is a good practice to turn off the TB phantom power unless it is actually in use. NOTE: The console's microphone power supply is not intended for A-B powered microphones. Use an external Page 2-20
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    switches mutes (turns off) any input channel(s) whose correspondingly numbered MUTE switch is engaged. The group is muted when the switch is illuminated. An input channel will not be muted, however, if its MUTE SAFE switch is engaged. Figure 2-5c. PM4000 TB Module (lower portion of module
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    2.1.6 The Monitor Module Figure 2-6a. PM4000 Monitor Module (upper portion of module) 77. SOLO MODE (switch) This locking, red, illuminated switch flashes when engaged, indicating the console monitor system is set to the SOLO mode. In this mode, input channel CUE/SOLO switches mute all other
  • Yamaha PM4000 | Owner's Manual (image) - Page 34
    choices for driving the Monitor A output, selecting from the AUX ST 1 master output or AUX ST 2 master output (post-fader and post-on/off switch). 84. AUX, GROUP, MTRX (Monitor A Source Select Switches) These three switches provide many more choices for driving the Monitor A output, selecting from
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    2-6c. PM4000 Monitor Module (lower portion of module) 90. the console is in the SOLO mode. This serves as an urgent warning that if any input CUE/SOLO switch is depressed, that all input channels will be muted except in use. The jacks are also angled to minimize strain on cables and connectors.
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    The console is shipped with standard incandescent lamps in the LittLites, but the hoods and power supply are designed so they can accommodate the higher intensity quartz lamps. 95. I (Group/Matrix/Aux meters and indicators) These four meters (24 and 32 channel mainframes) or eight meters (40 and 48
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    24 and 32 channel mainframes, these four meters monitor the correspondingly numbered busses, as described above in item [95]. In 40 or 48 of the stereo master output. These are dedicated meters that always monitor the same signals, regardless of any meter select, cue or solo mode switching. 98. AUX
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    mode rejection where required, but one need not pay the price in direct costs, weight or signal quality where the transformers are not needed. MONO INPUT MODULE INPUT STRIPS 101. INPUT (connector) This electronically balanced, female XLR-3 connector applies signal to the correspondingly numbered
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    XLR connector) These four-pin female XLR connectors provide dimmer-controlled DC power for "LittLites" that are supplied with the console. There are three lights on the 24 channel and 32 channel mainframes, and four on the 40 and 48 channel mainframe. Maximum output is 12 volts. (Pins 1 and 2 of the
  • Yamaha PM4000 | Owner's Manual (image) - Page 40
    busses (ahead of the Group Insert point and Group Master Faders). They are used for "chaining" another mixing console's group outputs into this console, with this console serving as the master for both consoles. 110. MTRX SUB IN (1 - 8) These eight female XLR connectors apply signal directly to
  • Yamaha PM4000 | Owner's Manual (image) - Page 41
    mixing bus. Nominal output and input level is +4 dBu (1.23 V). The OUT jacks may be used as auxiliary group outputs to another console an INSERT on/off switch in each bus [ mixing bus [118], and are located in the mixed matrix signal path (including sub-in) ahead of the insert on/off point and master
  • Yamaha PM4000 | Owner's Manual (image) - Page 42
    [129]. 127. PHANTOM MASTER (+48V) This recessed slide switch turns the console's 48volt phantom power supply on and off. When this is OFF, no power will be supplied to any mic, regardless of the channel's +48 V on/off switch setting [4]. 128. FAN (speed switch) This switch sets the operating speed
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    2-13. VCA/MUTE Connector Pin Assignments 130. GROUP OUT (1 - 8) These eight male XLR connectors output signal from the eight group mixing busses, just after the Group Master Faders. They may be used for submixed feeds to a remote console (i.e., to a stage monitor console or a broadcast remote
  • Yamaha PM4000 | Owner's Manual (image) - Page 44
    muted. Assuming the TB OUT switch is on, this output is derived from the talkback input XLR when the TALKBACK switch [74] is engaged. Otherwise the TB OUT is derived from the console's oscillator/ noise generator. The TB OUT may be fed to the IFB (Interruptible Foldback) program input of an intercom
  • Yamaha PM4000 | Owner's Manual (image) - Page 45
    Power Supply Figure 2-16. PW4000 Power Supply (Front and Rear Panels) 141. POWER This alternate-action switch turns on the AC input to the supply, and thereby provides the necessary output voltages to the console via the umbilical power cable. Pressing the switch a second time turns off the power
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    service personnel only. 146. (Power Cord) This power cable connects the PW4000 to the AC power mains. A grounded (3-wire) outlet of at least 15 amperes capacity should be used. 147. LINE VOLTAGE INDICATOR (Switch) When this slide switch is in the ON position, the front-panel digital indicator
  • Yamaha PM4000 | Owner's Manual (image) - Page 47
    Section 3 Specifications
  • Yamaha PM4000 | Owner's Manual (image) - Page 48
    Section 3. Specifications PM4000 Mixing Console General Specifications Total Harmonic Distortion (Master Output) Frequency Response (Master Output) Hum & Noise (48 Channels) (20 Hz - 20 kHz) RS + 150Ω
  • Yamaha PM4000 | Owner's Manual (image) - Page 49
    ) +48 V dc Dimensions (W x H x D) Weight 48 Channel 40 Channel 32 Channel 24 Channel 48 Channel 40 Channel 32 Channel 24 Channel 2086 x 346 x 1121 mm 1846 x 346 x 1121 mm 1586 x 346 x 1121 mm 1346 x 346 x 1121 mm 183 kg 161 kg 137 kg 115 kg PW4000 Power Supply Specifications Power Requirements
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    Jack (TRS) 75 mW 65 mW 150 mW 150 mW Phone Jack (STEREO) NOTES: *1 PM4000 -24: 24 ch, -32: 32 ch, -40C: 40 ch, -48C: 48 ch *2 All XLR connectors are electronically balanced. Phone jacks are balanced with Tip = signal high (+), Ring = signal low (-), and Sleeve = ground. Phone Jacks (STEREO) are
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    Dimensional Drawings PM4000 Console (all versions) Page 3-4
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    Page 3-5
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    Page 3-6 PM4000 Console Rear Profiles
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    Module Block Diagrams (See back of the manual for overall system block diagram) Page 3-7
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    Page 3-8
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    Page 3-9
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    Page 3-10
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    Page 3-11
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    Page 3-12
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    Section 4 Installation Notes
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    . The dimensions listed in the SPECIFICATIONS section of this manual can be given to the carpenter or other personnel responsible for building the console support. Be sure to provide a location within 10 feet (3.5 meters) of the console for housing the PW4000 power supply. This supply may be
  • Yamaha PM4000 | Owner's Manual (image) - Page 62
    . It is also a good idea to use a special outlet tester that will also indicate reversed polarity, weak or missing neutral, and weak or missing ground connections in the outlet. Test the power supply before connecting the umbilical cable to the console. Severe over voltage or under voltage in
  • Yamaha PM4000 | Owner's Manual (image) - Page 63
    220 to 240 volts available from the power service instead of the desired 110 to 120 WARNING: In AC power wiring, black is hot, and white is neutral-the opposite of most audio signal wiring and (voltage), and should measure the same potential using a voltmeter, the ground prong connections at the
  • Yamaha PM4000 | Owner's Manual (image) - Page 64
    are inexpensive and available at most hardware stores, electrical supply houses and some lighting stores. It is advisable to used on all power outlets, The neon voltage tester should be used to check for voltage differences between microphone and guitar amps, microphones and electric keyboard chassis
  • Yamaha PM4000 | Owner's Manual (image) - Page 65
    manual. Yamaha shall not be liable for incidental or consequential damages, including injury to any persons or property, resulting from improper, unsafe or illegal installation of a Yamaha mixing console , AC power lines, switching devices, motors and the like. This is why audio signal cables
  • Yamaha PM4000 | Owner's Manual (image) - Page 66
    while the mic is grounded at the console on the other side of the room but without question, the single most common problem in sound systems, and the most common audio circuits if (a) the circuits are truly balanced or floating, and (b) the audio common is maintained separately from the chassis
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    turn, modulate the potential of the signal-carrying wiring (they are superimposed on the audio), producing balanced circuits with properly designed equipment may present no special noise problems is common in systems that use unbalanced equipment having the chassis connected to signal ground. It
  • Yamaha PM4000 | Owner's Manual (image) - Page 68
    subsystems by using transformer coupled floating balanced connections. 4.3.4 Balanced Lines and Ground Lift Switches By using balanced signal balanced line, the shield does not carry audio signals, but only serves to protect against static and RFI, so you can disconnect the shield at one Mix Console
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    on one end. Fortunately, some professional audio equipment, including Yamaha PC-Series amps, is equipped with ground lift switches on the balanced inputs. CAUTION: Microphone cases typically are connected to the shield of the cable, and the shield is tied to the console chassis via pin 1 of the XLR
  • Yamaha PM4000 | Owner's Manual (image) - Page 70
    PM4000 with any mic-level inputs to the console. Specifically, avoid using a single mutli-core "snake" cable for running mic lines from the stage and power polarity from each other. The shield (ground) in a balanced line does not carry any audio signal, and is intended strictly as a "drain" for
  • Yamaha PM4000 | Owner's Manual (image) - Page 71
    Figure 4-12. Cables For Use With Unbalanced Sources NOTE regarding Figure 4-12. For microphone cables, conect the shield to pin 1 at both ends of the XLR cable. For line-level signal cables, cut the shield as illustrated. Page 4-11
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    Figure 4-13. Cables For Use With Balanced Sources Page 4-12
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    fields emitted by power lines. Balancing the two signal hot weight. There are a number of reasons why input transformers are used in some installations. In the case of certain audio equipment which has an unbalanced input (not this console), a transformer converts the unbalanced input to a balanced
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    to pay the price, carry the weight or incur the slight performance penalty that comes with the transformers. NOTE: There are other ways to achieve isolation. The most common means is with a wireless radio mic. One can digitize the audio signal and transmit it by means of modulated light in fiber
  • Yamaha PM4000 | Owner's Manual (image) - Page 75
    and some electronic keyboards to a mixing console. By using a transformer, the direct box provides important grounding isolation to protect a guitarist from inadvertent electrical shock in the event of a failure in the guitar amplifier or other equipment's power supply. The second thing the direct
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    chassis noise and audio quality, used with inputs having greater than 2 actual termination impedance (for example, a standard Yamaha PM2800M input). It is OK to leave the resistor in circuit with 1 inputs, although better results will be obtained if the resistor is omitted in this case. 9. Parts
  • Yamaha PM4000 | Owner's Manual (image) - Page 77
    box is not meant for use at the output of a guitar amplifier (see PASSIVE DIRECT BOX information). The active direct box can be powered by its own pair of standard 9V "transistor radio" type batteries, or by phantom power from the PM4000 or any condenser microphone power supply. The circuit can be
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    coding and/or clear and logical cable marking facilitate troubleshooting and reflects an understanding of the electronic signal flow. Belated groups of connections are neatly routed and bundled with cable ties. Audio signal cables are kept separate from power cords, and low level signal cables are
  • Yamaha PM4000 | Owner's Manual (image) - Page 79
    SECTION 5 Gain Structure and Levels
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    For this reason, most audio engineers think of operating run around" a chassis or down a long = 0 dBm = +4 dBm = +24 dBm = +30 dBm = +40 dBm = +50 dBm = 10 microwatts power to a typical 8-ohm speaker without being overloaded. A power amplifier must be used to boost the power output of the console
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    line levels (at the console's output) may reach +24 dBu (12.3 volts), and maximum power output levels from a power). 5.2.4 What Happens When The Program Source Has Wider Dynamics Than The Sound Equipment? If another mixing console digital audio tape recording, and the FM or vertical recording used
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    Figure 5-1. Dynamic Range and Headroom in Sound Systems Page 5-3
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    . A 20 dB headroom figure represents a peak level that is one hundred times as powerful as the average program level. This corresponds to an average 0 VU indication on the PM4000 meters (0 VU +4 dBu, which allows 20 dB headroom before the console reaches its maximum +24 dBu output level). Page 5-4
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    20 dB for the loud peaks. To operate this system, use only the controls on the console, and avoid levels that consistently peak the console's VU meter above the "zero" mark on its scale, or that drive the amplifier above a safe power level for the speaker system. Any level adjustments in the other
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    of the PM4000. It would appear, then, that the console has "too much" output capability, but this is not really true. In fact, there are a number of real-world instances when the +24 dBu output drive is very desirable. For one thing, if the console's output is used to drive multiple power amplifiers
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    Section 6 Optional Functions
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    (UL) requires that we inform you there are no user-serviceable parts inside the PM4000. Only qualified service personnel should attempt to open the meter bridge, to remove a module, or to gain access to the inside of the console or power supply for any purpose. Lethal voltages are present inside the
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    and Installing A Module Figure 6-1. Removal of PM4000 Module 1. Turn the Power OFF first, before removing or installing a module. 2. Loosen the screws at the top and bottom of the rear panel input/output strip corresponding to the module being removed (except Master section modules). These screws
  • Yamaha PM4000 | Owner's Manual (image) - Page 89
    Mono Input Direct Out Jack: Pre-Fader or Post-Fader (switch) Pre-ON or Post-ON Switch (jumper) A slide switch in each input module permits the Direct Out point to be altered. As shipped, the console is set so that the Direct Out point is derived after the EQ and Fader (technically speaking, it comes
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    that one aux mix is used for a pre-fader effects send. In this case, it may be desirable to apply channel EQ to the send. The POST position would provide EQ, but would also cause the channel fader to affect the send, which is not desirable. To solve the problem, the switch for that aux send
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    components, but both are derived from the same monaural signalThe switch positions are illustrated below in Figure 6-4. Figure 6-4. Internal Switch Positions For Cue/Solo being Pre-Fader or tracking the METER PRE Switch on Monaural Input Module, and Corresponding Block Diagram Location. Page 6-5
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    left and right components, derived from the discrete stereo input. The switch positions are illustrated below in Figure 6-5. Figure 6-5. Internal Switch Positions For Cue/Solo being Pre-Fader or tracking the METER PRE Switch on Stereo Input Module, and Corresponding Block Diagram Location. Page 6-6
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    channel ON switch. This is useful for checking and adjusting the level even though the channel output is muted via a Master Mute function or the channel on/off switch. Figure 6-6. Internal Jumper Positions For MT PRE switch Post function Being Post Fader and Channel ON switch or Post Fader and Pre
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    or Post-EQ Four jumpers in each stereo input module permit the two pair of Insert In/Out points to be altered separately. As shipped, the console is set so that the Insert In/Out points come after the channel equalizer. This is useful, for example, when one wishes to the send to
  • Yamaha PM4000 | Owner's Manual (image) - Page 95
    Input Channel Aux Sends: Pre Fader & EQ or Pre Fader/Post EQ Eight slide switches in each stereo input module permit each of the eight mono auxiliary sends and to be altered. Two more switches perform the same function for the two stereo aux sends. As shipped, the console is wired so that if the
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    's left input path, and the even-numbered Aux Sends derive signal from the channel's right input path. See Figure 6-9. Figure 6-9. Internal Switch Position For Stereo Input Module Aux Send 1-8 Mono Combine or Stereo Paired Signal Sourcing, and Corresponding Location on Block Diagram. Page 6-10
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    (i.e, while the level applied to the L & R aux busses can be varied, the signal itself is the same). See Figure 6-10. Figure 6-10. Internal Switch Position For Stereo Input Module ST Aux Send 1 & 2 Mono combine or Stereo Paired Signal Sourcing, and Corresponding Location on Block Diagram. Page 6-11
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    to the ST IN3 or ST IN4 monitor mix. Determination of which stereo modules actually contribute to the monitors when the monitor module's ST IN3 or ST IN4 switch is engaged is dependent on the position of a slide switch in each stereo input module. Locate the switch (Fig. 6-11) and set it as shown
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    polarity of the left input with respect to the right input, you must reset a switch on the module's circuit board. Once this switch is reset to the alternate position, then engaging the front panel Ø switch reverses polarity of the channel's left input only. See Figure 6-12. Figure 6-12. Internal
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    this problem, but it cannot absolutely prevent it. Therefore, you may wish to disable a given stereo module's module's output to a given bus, you can always restore the jumpers so the are as originally shipped. Figure 6-13. Internal Switch Positions For Pre- and Post- Group Master Fader Feeds to Mix
  • Yamaha PM4000 | Owner's Manual (image) - Page 101
    Assigned Pre or Post Group Master Fader A slide switch in each master module permits the module's group send to the mix matrix to be altered. As shipped, the console is preset so that when the GROUPTO-MTRX switch is on, the matrix is fed signal after the Group Master Fader (but before the GROUP ON
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    the matrix is fed pre Stereo Master fader. In this way, the stereo output can be used for one feed, and it can be remixed in the matrix to create other stereo feeds. Figure 6-15. Internal Switch Positions For Pre- and Post- Stereo Master Fader Feeds to Mix Matrix, and Block Diagram Location. Page
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    module's main circuit board. Refer to Figure 6-16A. An optional transformer balancing option may be installed by a Yamaha PM4000 dealer or a qualified electronic service performed. 1. Shut off the power to the console. 2. Remove the Monaural (Stereo) input modules to be connected to input
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    For Remote Control of the VCA Masters and Mute Groups The VCA/MUTE CONTROL connector on the PM4000 rear panel is provided primarily so that two consoles may be linked, and just one console's VCA MASTER FADERS and/or MUTE MASTER switches will affect both consoles input channels. However, it is
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    YAMAHA PART# UA21410 HU07543 HU07610 HU07620 HU07710 HU07712 HU07713 HK05715 HK05733 IG06920 HT56009 IF00004 IF00214 VA25610 QUAN ) 50 kohm DIODE ZENER DIODE 1S1555 RD5.6ED2 B SLIDER VR (FADER) 10 kohm Table 6-1. Parts List for Making Remote VCA Control Circuit Figure 6-18. VCA Control Voltage
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    Section 7 Operating Notes and Hints
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    sound quality from the PM4000. 7.1 Console Gain Structure In the GAIN STRUCTURE AND LEVELS section of this manual, we discuss some general considerations regarding levels and system setup. What of the proper gain structure within the PM4000? How can the many faders and other level controls that
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    can lower all Group Master Faders (if the Group-to-Stereo switches are engaged, or lower the input channel Faders (if the input channels' direct-to-stereo assign switches are engaged). Lower all the affected faders by a similar amount so as to preserve the mix balance. 7.1.5 Establishing The Correct
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    one or more of the PM4000 stereo input channels, those channels (used as returns) are ready to be calibrated. The CUE switch for any of these input Use of the VCA Master fader can complicate the gain structure considerably. It is important to set up the input PAD switch and GAIN controls using
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    over the conventional console, where the audio flows through the channel fader. The VCA's advantage is realized when grouping is used. The VCA Master Faders are really just like the channel faders in that they output a DC voltage. When one or more input channel VCA Assign switches are engaged, the
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    levels to ride up and down, scaled to the channel Fader setting. Of course, the channel(s) output signal must still be assigned somewhere. NOTE: It may not be obvious, but VCA master faders and VCA assign switches have nothing at all to do with where the audio signal goes. They only affect its
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    The Group 1 Master Fader controls the Post-input Fader signals from all of these input channels. Similarly, the AUX 4 Master Send Level Control adjusts placed in the Group Insert or AUX Master Insert IN/OUT point. Figure 7-2. Signal Processing of The Mixed Program Is a Major Difference Between The
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    and Using The Mix Matrix The PM4000 Mix Matrix consists of 11 smaller mix level controls [28][29][30] and one larger MTRX MASTER control [31] on each of the eight Master Modules. These 96 controls can be thought of as a small mixer within the larger console. In general, the matrix is used to
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    The Mix Matrix is Located on the Top portion of Master Modules 1-8 Figure 7-3. Front Panel View and Block Diagram of PM4000 Mix Matrix Page 7-8
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    . If the PM4000 internal slide switches are reset so that the Group-to-Matrix and Stereo-to-Matrix feeds are derived pre-fader (as described in Sections 6.12 and 6.13), then the Group and Stereo Master Faders will not affect the matrix mix levels. In this case, the matrix can be used in much the
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    and/or vocalists are not using them. The input channel faders and other mix controls can all be left at their previously established settings, and only one MUTE MASTER switch need be engaged to keep these mics (or line level sources) from contributing to the console output. Then, at the precisely
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    service. These are but a few of the ways that the PM4000's ability to mute overlapping groups of input channels can be used to advantage. NOTE: While a similar function could be achieved by using the Group ON/off switches, the functions are really different. Consider that the MUTE MASTER switch
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    . The two groups are then mixed together into the main house mix by engaging their Group-To-Stereo switches [40], and panning one fully left and the other fully right with the Group PAN pots [39]. Using this approach, up to 4 group-generated stereo mixes can be processed independently of each other
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    Section 8 Applications
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    another channel is soloed, you can used a recessed front-panel switch to disable the solo muting relay on those stereo input channels. An important feature of the PM4000 for a production environment is the 11x8 mix matrix, a built-in "mixer within a console." In video work, for example, discrete
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    quality. With its high quality sound and powerful capabilities, the PM4000 is a logical choice for many video sound production requirements. Its 24, 32, 40 or 48 input positions, which accommodate even more input sources when loaded with stereo input modules, can handle the substantial numbers of
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    are a number of ways to obtain a stereo mix with this console. One technique is to utilize Groups 1-8 for subgrouping input channels. The post Group Master Fader [49] signals then can be assigned to the stereo mixing bus using the GROUP-TO-ST switches [40] and the Group PAN controls [39]. The Stereo
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    ] may then be assigned to the Stereo Master Faders [58] by engaging the Group-to-ST switches [40]. In this case, the Group Master Faders function as subgroup controls for the overall mixed output controlled by the Stereo Master Faders. These outputs can be used for a stereo program, or for two mono
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    Figure 8-3. System Diagram For 5 Independent Stereo Output Mixes via the Stereo Bus and the Mix Matrix Page 8-5
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    ' VCA assign switches [22] are engaged (typically just one switch per module). The correspondingly numbered VCA Master Faders [47] then be assigned to the Group Master Faders. This allows the Group INSERT IN/OUT patch point to be used to handle the overall mixed signal; there is no corresponding
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    different settings of the same VCA Masters. In any event, just eight faders need be monitored and reset, not 24 to 48, each time there is a scene change. As an adjunct to this technique, the channel MUTE switches [23] and MUTE MASTER switches [76] can be used to silence groups of channels. An
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    Section 9 Maintenance
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    have cermet elements. What cleans one part reliably may not work on another. When in doubt, consult your authorized Yamaha PM4000 dealer or service center. 9.1.4 The Console Interior Dust and dirt are the enemy of electronic and mechanical systems. Switches and controls may wear prematurely due to
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    Yamaha dealer or service master 48V switches are on. There is no output, and no console func- Power is not reaching the PM4000. tions work at all. Verify that PW4000A is On and that its umbilical cables both are properly connected. Check fuses and AC mains voltage. Fuses are OK and power supply
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    of Trouble The PM4000 is supported by Yamaha's worldwide network of factory trained and qualified dealer service personnel. In the event of a problem, contact your nearest Yamaha PM4000 dealer. For the name of the nearest dealer, contact one of the Yamaha offices listed below. Yamaha Corporation
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  • Yamaha PM4000 | Owner's Manual (image) - Page 132
    YAMAHA VN02300
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PROFESSIONAL AUDIO MIXING CONSOLE
PM4000
OPERATING MANUAL
YAMAHA