Bose FreeSpace E-4 소유자 매뉴얼 - 페이지 7

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8.3 FreeSpace

E-4 system Error Log

The FreeSpace E-4 system Error Log is displayed when the

Installer™ software is in the Service Hardware mode.

8.3.1 Contents of the Error Log

The Error Log displays E-4 system hardware version numbers

and records all alarms and their causes as shown in the following

example.

Hardware

version

numbers

Type of alarm

Name of test

Test results

8.3.2 Hardware configuration

The E-4 system hardware version numbers appear at the top of

the Error Log listing. These are the version numbers of the soft-

ware installed in the E-4 hardware at the time of manufacture.

These version numbers do not pertain to the FreeSpace system

Installer™ software installed on your PC.

8.3.3 Power-on self-test results

The power-on-self test (POST) results are only displayed when an

error has occurred. The POST test checks the basic operation of

the E-4 hardware to determine if it is capable of properly per-

forming audio processing and ampliﬁcation. During the POST

test, six major components of the hardware are tested.

8.0 E-4 System Troubleshooting

Bose

FreeSpace E-4 Error Log

-------------------------------------------------

Microcontroller: v1.0.0.64

DSP: v1.0.71.0

Peripheral: v1.0.0.10

Lower Amplifier: v1.0.0.14

Upper Amplifier: v1.0.0.14

-------------------------------------------------

power-on self-test alarm (ok)

2002/12/31 23:59

host controller test:

[OK]

host controller flash test:

[OK]

peripheral controller test:

DSP test: 1

upper amplifier test:

[OK]

• Host controller – The host controller monitors and controls the

operation of the E-4 hardware. A host controller failure will

cause the message, "Power-on self-test incomplete" to appear

in the host controller test section. The failure type for a host

controller is an SRAM address failure. If this occurs, contact

Bose Customer Service. See "Customer support" on page 69.

• Flash memory test – The ﬂash memory contains the conﬁgu-

ration, design ﬁle, and system event schedule. A ﬂash failure

will cause the message, "Power-on sel-test incomplete" to

appear in the host controller ﬂash test section. If this occurs,

contact Bose Customer Service. See "Customer support" on

page 69.

• Peripheral controller – The peripheral controller monitors con-

tact closures, front panel connections and user interface con-

nections for incoming event messages. Any failures in these

areas will cause the message, "Power-on self-test incomplete"

to appear in the peripheral controller ﬂash test section. If a 12C,

or code failure occurs, contact Bose Customer Service. See

"Customer support" on page 69. If a user interface failure

occurs, check the user interface wiring for shorts.

• DSP test – The DSP performs all signal processing and routing

functions. If a DSP error occurs, contact Bose Customer Ser-

vice. See "Customer support" on page 69.

• Upper and lower ampliﬁer test – The upper and lower ampli-

ﬁer test determines if the ampliﬁers are operating properly. An

ampliﬁer failure will cause the message, "Power-on self-test

incomplete" to appear in the upper or lower ampliﬁer section of

the POST test results. If a 12C, or code failure occurs, contact

Bose Customer Service. See "Customer support" on page 69.

Additional details on the exact cause of an ampliﬁer failure can

be found in the ampliﬁer section of the Error Log.

• Front panel board test – The front panel board test deter-

mines if the USB port is working properly. A USB failure will

cause the message, "Powe-on self-test incomplete" to appear

in this section of the POST results. If a USB failure occurs, con-

tact Bose Customer Service. See "Customer support" on

page 69.

Programmer's Note: The USB port is not currently

used for communication with the E-4. If a USB failure

occurs, the E-4 will still function normally for audio pro-

cessing and ampliﬁcation.

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