Bose AV28 Процедура тестирования

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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 AV28 Troubleshoot-

ing Tips/Preventative Repair Measures document.

3. Check the software revision of the unit. Refer to the Bose

http://serviceops.bose.com for information regarding the latest software revision.

3.1 With the system off and powered applied, press "Store" and "Enter".

4. Verify Performance and all functions using the following procedures.

4.1 Tuner performance procedures.

4.2 Input/Output performance procedures.

4.3 CD performance procedures.

4.4 User Interface Performance Verification.

1. Audio Signal Generator.

2. Oscilliscope

3. Volt Meter

4. AM/FM Signal Generator.

5. AV28 remote control part number 256119-001.

6. PS28 or PS48 bass module with cubes (to test digital audio Zone ouputs).

7. AV28 test cable part number 264565.

8. RCA to bare wire cables (to connect cube speakers to bass module).

Rear cable part number 180644; black.

Left/Center/Right part number 180643-4; black.

Note: AC2 connector part number 195505-001 to connect bare wire to Jewel

9. Test CDs as listed below or equivalent.

Parameter

Defect Tracking (void)

Defect Tracking (black dot)

Defect Tracking (scratch)

Defect Tracking

(finger print)

Defect Tracking

(warped disc)

Defect Tracking

(eccentric disc)

AV28 General Test Procedures

Required Test Equipement and Cables

Nominal

1.0 mm

1.6 mm

75 mm

1.0 mm

210 mm

service extranet site,

Limit

Suggested Test disc

0.8 mm

Pierre Vernay, test CD#2

0.8 mm

ABEX test disc TCD-725R

1.0 mm

ABEX test disc TCD-721 R

65 mm

ABEX test disc TCD-725R

0.7 mm

ABEX test disc TCD-732RA

140 mm

ABEX test disc TCD-714R

Cube speaker.