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1. Initial Product Test
Note: Before taking the unit apart or performing any repair process, an attempt to verify the cus-
tomer complaint must be made.
1.1 Read any customer note included with the unit.
2. Attempt to verify the complaint before opening the unit or performing any repairs.
2.1 Customer complaint not verified, discuss with customer.
2.2 Customer complaint verified, troubleshoot and repair the unit. Refer to the PS28/28 Trouble-
shooting Tips/Preventative Repair Measures document.
3. Check the software revision of the unit, using the procedures on page 5, procedure 2.3.
Refer to the Bose
®
service extranet site, http://serviceops.bose.com for information regard-
ing the latest software revision. Update is needed.
4. Verify Performance and all functions.
Note: If a media center is available, use the procedures "With AV28 media center". if a media
center is not available, use the procedures "Without AV28 media center".
1. Audio Signal Generator.
2. Digital Converter (A-D) with S/PDIF output, if AV28 Media Center is not availble.
3. PC (IBM compatible), if AV28 Media Center is not availble.
4. DC power supply for cube phase test.
5. Audio amplifier for cube sweep test.
6. PS28/48 test cable part number 264564.
7. RCA to bare wire cables (to connect cube speakers to bass module).
Black rear cable part number 180644
Black Left/Center/Right part number 180643-4
Note: AC2 connector part number 195505-001 is needed to connect bare wire to Jewel
speaker.
Connect to computer
RS232 port
Connect to D-A
converter
PS28/48 General Test Procedures
Required Test Equipment and Cables
9 PIN D-SUB FEMALE
RCA PLUG
Test cable part number 264564
8 PIN RJ45
2
3
6
RJ45
7
8
8 PIN
1
®
Cube
Connect to
PS28/48 bass module
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Table of Contents
Related Manuals for Bose Lifestyle PS28
Summary of Contents for Bose Lifestyle PS28
- Page 1 3. Check the software revision of the unit, using the procedures on page 5, procedure 2.3. Refer to the Bose ® service extranet site, http://serviceops.bose.com for information regard- ing the latest software revision. Update is needed. 4. Verify Performance and all functions.
- Page 2 PS28/48 Performance Verification Procedures (Without AV28 Media Center Console) Test setup procedures 2 Bass Module Air Leak Test Place the bass module into TAP mode using 2.1 Apply a 200 mVrms, 40 Hz signal to the the procedures located at the end of this input of the A-D converter.
- Page 3 PS28/48 Performance Verification Procedures (With AV28 Media Center Console) Test Setup 3. Cube Speaker Phase Test ® Using the Lifestyle 28/48 system’s audio input Note: The DC voltage should only be momen- cable part number 260351-001, connect the tarily applied to the cube speaker input to avoid AV28 media center to the PS28/48 bass damaging the speakers.
- Page 4 Setting up a computer to issue TAP commands 1. Open a terminal window. Click: Start/Pro- 4. In the “COM1 Properties” window, make the gram/Accessories/Hyperterminal/Hyperterminal selections in the various fields as shown. 2. In the “Connection Description” window, type the name “LS28, 35 bass module test” then click “OK”;...
- Page 5 Placing the Bass Module into TAP Mode Place all four DIP switches to the down position before returning the unit to the customer 2. Verify the bass module communicates in 1. Place the bass module into TAP mode TAP mode. 1.1 Set all four DIP switches into the “up”...
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