Mackie 808M User 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 808M Specifications

General

Channels	8
Phantom Power	Yes
Type	Powered Mixer
EQ Bands	3
Aux Sends	2
USB Interface	No
Equalizer	3-band
Effects	Built-in digital effects
Microphone Preamps	8

Summary

Overview of PPM Series Mixers

808S Front Panel Layout

Mono Mixer Block Diagram

Stereo Mixer Block Diagram

Technical Specifications

808M/808S Amplifier Class-H Theory

Customer Safety Leakage Test

808M/808S Amplifier Test Procedures

808M/808S Power Consumption

Specifies power draw under various voltage conditions without signal for 808M/808S.

808M/808S DC Supply Voltage Checks

Lists required DC voltage measurements for 808M/808S amplifier operation.

808M/808S Bias Adjustment Procedure

Describes adjusting bias voltage for optimal 808M/808S amplifier performance.

808M/808S Output Power Tests

Details measuring output power and checking for clipping on 808M/808S.

406M/408M/408S Amplifier Test Procedures

406M/408M/408S Power Consumption

Specifies power draw under various voltage conditions without signal for 406M/408M/408S.

406M/408M/408S DC Supply Voltage Checks

Lists required DC voltage measurements for 406M/408M/408S amplifier operation.

406M/408M/408S Bias Adjustment Procedure

Describes adjusting bias voltage for optimal 406M/408M/408S amplifier performance.

406M/408M/408S Output Power Tests

Details measuring output power and checking for clipping on 406M/408M/408S.

EFX Signal Flow and Front Panel Controls

EFX Signal Flow Diagrams

Illustrates the signal flow for EFX through mixer block diagrams.

Front Panel EFX Parameter Controls

Explains the function of EFX knobs and switches on the mixer's front panel.

EFX Board Interface and Signals

EFX Board Input Signals

Details the analog signals feeding into the EFX circuit board.

EFX Board Output Signals

Shows the analog output signals from the EFX board to the mixer.

EFX Board Connector J1 Pinout

Lists the functions of each pin on the EFX board's main connector.

EFX Circuit Board Overview

EFX Circuit Board Layout and Components

Provides a layout of the EFX board and lists its key integrated circuits.

EFX Signal Processing Functionality

Explains how CODEC and DSP process analog and digital EFX signals.

Board Interconnections and Connectors

Mixer to EFX Board Connection Details

Describes the physical and signal connection between mixer and EFX boards.

Mixer to Amplifier Board Connection Details

Details the standard connection between mixer and amplifier boards.

Amplifier Board Transformer Wiring

Shows transformer wiring for 193 and 204 amplifier boards (J14, J10).

Output Board Connector J3