PDF format suitable for Windows XP, Vista, 7 , 8 and Mac
Chassis & Electrical
Wiring diagrams
Most Complete Service Manual Available
Numerous Illustrations & Schematics
Technical Diagnostic Procedures
Disassembly & Installation Procedures
Written by the Manufacturer
Used by the Dealership Technicians
You can print the specific pages you need to accomplish the repairs required or print the whole manual

CONTENTS
INTRODUCTION
TECHNICAL SUPPORT
DISCLAIMER
SYSTEM OVERVIEW
THE SR408 IN A NUTSHELL
MATRIX
STAGE MONITORS & EFFECTS
MONITORING, SOLO, & METERING
TALKBACK & INTERCOM
ULTRA MUTE
SWITCH POSITIONS
ULTRA MUTEä FUNCTION SUMMARY
BLOCK DIAGRAM
SPECIFICATIONS
CIRCUIT THEORY
ANALOG CIRCUITS / SIGNAL PATH
INPUT CIRCUITRY
PREAMP CIRCUITRY
SOLO CONTROL CIRCUIT
INPUT SOLO LOGIC
OUTPUT SOLO LOGIC
OTHER MATTERS
CLEAR COMä INTERFACE
CIRCUIT DESCRIPTION
TRANSMIT SIGNAL PATH
RECEIVE SIGNAL PATH
CALL SIGNAL
IGNORE SWITCH (Rev 6 PCB)
IGNORE SWITCH (Rev A and higher PCBs)
ULTRA MUTE
CIRCUIT DESCRIPTION
SELF TEST PROCEDURE
PARTS
QUICK PARTS
CONSOLE CHASSIS ASSEMBLY
POWER SUPPLY CHASSIS ASSEMBLY
CONSOLE PARTS LIST
POWER SUPPLY PARTS LIST
CONNECTOR PINOUT AND LOCATION
SCHEMATICS / PCB LAYOUTS