Apple led cinema display 27inch User Manual
Here you can view all the pages of manual Apple led cinema display 27inch User Manual. The Apple manuals for Display are available online for free. You can easily download all the documents as PDF.
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LED Cinema Display (27-inch) Symptom Charts — Input/Output Issues 41 2010-11-18 7. Play a known-good sound and verify sound quality is good. Yes Speakers and amplifier circuit are OK. No Replace logic board. M09 8. (DisplayPort Audio) Disconnect USB, and connect Mini DisplayPort cable to a powered- up portable system supporting Audio via DisplayPort, and verify that video is available on display. Yes Go to step 9. No No Mini DisplayPort connection. Go to Blank / No Video, No Backlight. 9....
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LED Cinema Display (27-inch) Symptom Charts — Input/Output Issues 42 2010-11-18 3. Determine if user-reported issue is with display’s internal speakers. YesGo to Audio Issues: General. No Go to step 4. 4. Launch System Preferences: Sound: Input and verify that Display’s Audio input (internal Microphone) is selected. Yes Go to step 5. No Select display’s internal Microphone and retest. 5. Launch System Preferences : Sound: Input and verify that Input Volume is set above minimum. Yes Go to...
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LED Cinema Display (27-inch) Symptom Charts — Mechanical Issues 43 2010-11-18 Mechanical Issues Noise / Hum / Vibration Unlikely cause: LCD panel, logic board, all-in-one cable, camera Quick Check SymptomsQuick Check Noise / Hum / Vibration • Buzzing noise • Rattling noise • Ticking noise • Squeaking noise 1. Verify display’s USB and Mini DisplayPort connectors are plugged into known-good supported system with up-to-date system software. 2. Tilt display to hinge limits to determine if...
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LED Cinema Display (27-inch) Symptom Charts — Mechanical Issues 44 2010-11-18 3. Determine if noise issue sounds like fan is running unusually fast. Yes Replace ambient temp sensor cable. X03 No Go to step 4. 4. Remove fan and inspect blades for damage or obstructions. Yes Replace fan. X23 No Go to step 5. 5. Remove fan and rotate blades. Verify that fan blades spin smoothly without interference from fan housing. Yes Go to step 6. No Replace fan. Retest. X23 6. Reinstall fan while carefully...
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LED Cinema Display (27-inch) Symptom Charts — Mechanical Issues 45 2010-11-18 Fan Failures / Thermal Issues Quick Check SymptomsQuick Check Fan Failures / Thermal Issues • Washed out image • No, slow, fast fan spin • Excessive heat exhaust • Eventual shutdown of display 1. Remove air vent obstructions. 2. Verify display is functional. 3. Ensure the display on a stable work surface that allows for adequate air circulation under and around the unit. Deep Dive Check ResultAction Code 1. Verify...
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LED Cinema Display (27-inch) Symptom Charts — Mechanical Issues 46 2010-11-18 Mechanical Physical Damages Quick Check SymptomsQuick Check Mechanical Physical Damages • Broken glass • Bent stand • Broken hinge • Stripped screw/head/boss • Dent or scratch to exterior • Damaged cable/connector 1. Determine damage caused by user/technician environment, accidental damage, or abuse. 2. Inform user/technician the damage is not covered by Apple warranties. Refer to...
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© 2010 Apple Inc. All rights reserved. Apple Technician Guide Take Apart LED Cinema Display (27-inch)
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LED Cinema Display (27-inch) Take Apart — General Information 48 2010-11-18 General Information Opening the Unit • The LED Cinema Display (27-inch) has a glass panel that attaches to the front, which must be removed prior to replacing any module on the unit. • Important: The glass panel should only be removed by Apple-authorized technicians. Follow all cleaning and handling instructions to prevent damaging glass panel or LCD panel. • Follow ESD precautions when glass panel is removed. For more...
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LED Cinema Display (27-inch) Take Apart — General Information 49 2010-11-18 Cleaning Tools Starter Kit The following tools are offered in the cleaning starter kit (076-1277): • Suction cups, 1 pair • Gloves, lint-free, anti-static, 2 pairs • Sticky silicone roller (6-inch) to clean glass panel • Sticky sheets to clean the silicone roller, 2 pads • Polishing cloths, clean, anti-static, optical-grade micro-fiber “terry” style, 5 cloths • Microfoam bag to store glass panel, 5 bags • ESD bag for LCD...
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LED Cinema Display (27-inch) Take Apart — General Information 50 2010-11-18 How to Remove a Broken Glass Panel A shattered panel can be removed using safety glasses, packing tape, and leather gloves. 1. Put on the safety glasses and leather gloves. 2. Lay the computer on a smooth, clean work surface. 3. Peel protective covering off the front of the glass. Remove and discard any large pieces of broken glass.