Mackie 406M Service Manual

PPM series
Professional Powered Mixers:
406M, 408M, 808M, 408S and 808S
SERVICE MANUAL
1999, 2000 MACKIE DESIGNS, INC.
820-185-00
EFX
MON
HI
12kHz
HI
12kHz
MID
2.5kHz
MON
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
LOW
80Hz
PAN PAN PAN PAN PAN PAN PAN PAN
VOLUME CH. VOLUME CH. VOLUME CH. VOLUME CH. VOLUME CH. VOLUME CH. VOLUME CH. VOLUME CH.
1
EFX
LOW
80Hz
2
2
EFX
LOW
80Hz
3
3
EFX
LOW
80Hz
4
4
EFX
LOW
80Hz
5
5
EFX
LOW
80Hz
6
6
EFX
LOW
80Hz
7
8
7
EFX
LOW
80Hz
8
EFX BYPASS
EFX DRIVE
LEVEL
120
NORMAL
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
EFX
CLIP
PARAMETERS
100
100
REVERBS
DELAYS
CHORUS
FLANGE
DAMPING
DEPTH
PHASER
TIME
RATE
NORMAL
NORMAL
CUSTOM 32-BIT PRECISION
DIGITAL STEREO EFFECTS PROCESSING
EFX WIDE
MAIN-STEREO/MONO EQUALIZER
30
CLIP
5
5
0
10
15
20
EFX FOOT
SWITCH
RIGHT RETURNLEFT RETURN
SEND
L MIXER OUT R MIXER OUT COMPRESSOR
L POWER
AMP IN
R POWER
AMP IN
EFFECTS
(OVERRIDES INTERNAL EFX)
MONITOR
MAINS
TAPE IN
TAPE OUT
LEVEL
MIC 1 MIC 2 MIC 3 MIC 4
MIC 5 MIC 6
INSERT
INSERT INSERT INSERT INSERT
LINELINELINELINE
LINELINE
INSERT
+15
U
OO
1K50025063 125 16K
LEVEL
2K 4K 8K
MAIN
MASTER
EFX TO
MAIN
U
OO
+10
MASTER OUTPUT SECTION
LINE
U
+12dB
OO
L
R
R
L
POWER
OUT
MONITOR EQUALIZER
15-
15+
5
10
0
5
10
-15
+15
5
10
0
5
10
15-
15+
5
10
0
5
10
-15
+15
5
10
0
5
10
1K50025063 125 16K2K 4K 8K
MONITOR
MASTER
EFX TO
MON
U
OO
+10
U
+12dB
OO
75Hz RUMBLE
REDUCTION
LEFT/MONO
RIGHT
LEFT/MONO
RIGHT
MIC 7
MIC 8
75Hz RUMBLE
REDUCTION
PHANTOM
POWER CH 1-8
BREAK
(MUTES CH 1-6)
808S
POWER AMP ROUTING
STEREO
MIC/
LINE
HI-Z
STEREO
MIC/
LINE
HI-Z
SM. ROOM
MD. PLATE
LG. PLATE
LG. HALL
GATED
REVERSE
CATHEDRAL
MD. HALL
SPRING
PHASER
DELAY 4
CHORUS
DELAY 3
DELAY 1
FLANGE
DELAY 2
IN
OUT
STEREO MAINS
LEFT = MAIN
RIGHT = MONITOR
2 X 600W STEREO
LEVEL
30
CLIP
5
5
0
10
15
20
LR
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
1
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
U
OO
+15
U
OO
+10
U
+15-15
U
+15-15
U
+12-12
U
+20dB
OO
HILOW
NORMAL
RL RL RL
RL RL RL RL
RL
U
OO
+15

Mackie 406M Specifications

General

Brand	Mackie
Model	406M
Category	Music Mixer
Language	English

Summary

Overview of PPM Series Mixers

808S Front Panel Layout

Block Diagram for Mono Models

Block Diagram for Stereo Models

Technical Specifications

Frequency Response

Details the audio frequency range capabilities of the mixer inputs and outputs.

Distortion, THD and SMPTE IMD

Specifies limits for audio signal distortion across various frequencies and input types.

Common Mode Rejection Ratio (CMRR)

Indicates noise suppression performance for differential signals at 1kHz.

Noise (20Hz to 20kHz)

Defines equivalent input noise and residual output noise levels with specified source impedance.

Crosstalk @ 1kHz

Measures signal leakage between adjacent inputs/outputs or channels.

Input Level Trim Control Range

Specifies the adjustable range for input signal level trimming.

Phantom Power

Confirms the availability and voltage of phantom power for microphones.

Equalization

Details the EQ bands and boost/cut ranges for channel and master sections.

Maximum Voltage Gain

Lists the voltage amplification provided from various input types to output stages.

Input Impedance

Specifies the impedance characteristics for different input connectors.

Output Impedance

Specifies the impedance characteristics for various output connectors.

Digital Effects Specifications

Provides technical details on the resolution, sample rate, and bandwidth of the digital effects.

VU Meter Description

Describes the segmentation and indicators used for the VU metering system.

Amplifier Tests (Models 406M/408M/408S)

Power Consumption

Details AC power draw under various voltage conditions with no signal or load.

DC Supplies

Specifies required DC voltage measurements at specific test points for amplifier boards.

Bias Adjustment

Outlines the procedure for setting bias voltage for amplifier channels after warm-up.

Power Tests

Details continuous sine wave output power ratings and clipping checks.

808M/808S Power Amplifier Theory of Operation

Safety Test Procedure

Amplifier Tests (Models 808M/808S)

Power Consumption

Details AC power draw under various voltage conditions with no signal or load.

DC Supplies

Specifies required DC voltage measurements at specific test points for amplifier boards.

Bias Adjustment

Outlines the procedure for setting bias voltage for amplifier channels after warm-up.

Power Tests

Details continuous sine wave output power ratings and clipping checks.

EFX Signal Flow and Controls

EFX Controls (On the Mixer Board)

Explains the function of front panel EFX controls like rotary encoders and parameter pots.

EFX Board Signal Paths

Signals to the EFX Board

Illustrates the analog and control signals entering the EFX circuit board.

Signals from the EFX Board

Shows the analog outputs and connector signals leaving the EFX circuit board.

EFX Circuit Overview

Connector Interfaces

Mixer to EFX Board Connector

Details the connector interface between the mixer and EFX circuit boards.

Mixer to Amplifier Board Connection

Defines the signals and power connections between mixer and amplifier boards.

Amplifier Board Power Connections

Shows transformer secondary wiring to amplifier boards for power supply.

Output Board Connection