Apple A1267 Specifications download pdf (Page 33)

LED Cinema Display (24-inch) Symptom Charts — Input/Output Issues 33

2010-02-08

Launch PhotoBooth. Verify that 3.

green LED near camera lens

turns on.

Yes Go to step 4.

Replace camera. Retest. M13

Launch PhotoBooth. Verify that 4.

camera image appears normal.

Yes Repair completed.

Clean camera lens. If needed,

replace camera. Retest.

M13

Audio Issues

Unlikely cause: LCD panel, power supply, blower, camera

Quick Check

Symptoms Quick Check

Audio Issues

Internal speakers not •

recognized

No sound•

Garbled sound•

No bass•

No treble•

Microphone not working•

Verify display’s USB and Mini DisplayPort 1.

connectors are plugged into known-good

supported system.

Launch System Preferences and select Sound 2.

output options. Verify that display’s sound output

option is set to display’s internal speakers.

Verify that “output volume” is set above minimum. 3.

(Suggest setting at midpoint.)

Verify that output volume ‘mute’ option is not 4.

checked.

Deep Dive: Audio Issues, General

Check Result Action Code

Launch System Proler and 1.

conrm that display’s USB hub

is visible.

Yes USB hub circuit OK.

Go to step 2.

No Go to step 3.

Determine if user-reported 2.

issue is with display’s internal

microphone.

Yes

Go to

Audio Issues: Microphone

symptom code ow.

No Go to step 3.

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Apple A1267 Specifications Page 33

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