Test Set-Up - Bose Lifestyle SA-2 Manual

Equipment Needed:
•
DC Power Supply
Audio signal generator
•
2 - 6 Ohm, 100 Watt load resistors
•
Audio input cable part number 278128
•
Connector plug part number 272953-04
•
DIP Switch Settings
Set up the unit under test as described below.
1. Set the DIP Switches as described above.
2. Connect the DIN connector of cable part number 278128-001 to the amplifier Bose
input connector.
3. Connect the left and right RCA connectors to a signal generator.
4. Load the left and right outputs with a 6 Ohm, 100W resistor by using connector plug
part number 272953-04.
5. With the unit unpowered apply a 1.6 VDC to PIN 6 of the bottom DIN connector.
Note: The microcontroller will respond by placing the unit in a special test mode. The unit
will power ON (LED will turn to solid green), source channel 2 will be selected, volume
level will be set to maximum and the amplifier outputs will unmute.
6. Apply AC Power.
Note: The 2.5 VDC must be applied before AC voltage is applied.
LED Status Indicator
The green LED, located next to the dip switches on the rear of the unit, indicates the opera-
tional mode of the amplifier.
LED activity
Constant slow blinking
Continuously lit
Lit but rapidly flickering
Blinking Quickly

TEST SET-UP

A Up Stereo/Mono switch (up is stereo mode)
B Down Enable/Disable auto-detect of RCA audio input (up is disabled)
C Down Slave/Master switch (down is master mode)
6 Down Room Address 1
7 Down Room Address 2
8 Down Room Address 3
th
Up Room Address 4
9
Mode
Power off (Standby)
Power on
Slave
Receiving commands
30
st
bit (MSB)
nd
bit
rd
bit
bit (LSB)
link DIN
®