3
CAUTION: THE FREESPACE
®
BUSINESS MUSIC AMPLIFIER
CONTAINS NO USER-SERVICEABLE PARTS. TO PREVENT
WARRANTY INFRACTIONS, REFER SERVICING TO WARRANTY
SERVICE STATIONS OR FACTORY SERVICE.
Electrostatic Discharge Sensitive (ESDS)
Device Handling
This unit contains ESDS devices. We recommend the following precautions when
repairing, replacing or transporting ESDS devices:
• Perform work at an electrically grounded work station.
• Wear wrist straps that connect to the station or heel straps that connect to conductive
floor mats.
• Avoid touching the leads or contacts of ESDS devices or PC boards even if properly
grounded. Handle boards by the edges only.
• Transport or store ESDS devices in ESD protective bags, bins, or totes. Do not insert
unprotected devices into materials such as plastic, polystyrene foam, clear plastic
bags, bubble wrap or plastic trays.
PROPRIETARY INFORMATION
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF
BOSE
®
CORPORATION WHICH IS BEING FURNISHED ONLY FOR
THE PURPOSE OF SERVICING THE IDENTIFIED BOSE PRODUCT
BY AN AUTHORIZED BOSE SERVICE CENTER OR OWNER OF THE
BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED
FOR ANY OTHER PURPOSE.
Summary of Contents for FREESPACE BMA-125
Page 39: ...Figure 2 2B37 Schematic and PCB Layout 39...
Page 40: ...Figure 3 2B50 Schematic and PCB Layout 40...
Page 41: ...Figure 4 120V Driver PCB Layout Figure 5 120V Tone Volume Control PCB Layout 41...
Page 43: ...Figure 8 230V Driver PCB Layout 43...
Page 44: ...Figure 9 230V Tone Volume Equalizer PCB Layout 44...
Page 45: ...Figure 10 230V Wiring Diagram Part 1 45...
Page 46: ...Figure 11 230V Wiring Diagram Part 2 46...
Page 47: ...47...
