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LCD Function Interface DC In

Camera

Fan (1) & LCD (2) Temp Sensors

Microphone

Subwoofer

Right & Left Speakers

Blower (Fan)

* Also see Fan (1) & LCD (2) Temp Sensorssymptoms below.

LED Driver (Backlight)

Upstream USB

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Below are main logic board test points that you can use

to verify proper power flow in LED Cinema Display (24-‐inch).

All voltages assume that the display is plugged into

a power outlet, and NOT into the host computer (unless

otherwise noted).

DC (direct current) . If your voltmeter requires that

you set a voltage range, choose a DC range that includes

the voltage that you are measuring.

Keep in mind that the threading in the screw posts is fragile

DC In

*only if USB plugged into host

USB Hub 1 for 3 ports

*only if USB plugged into host

USB Hub 2 for camera & audio

*only if USB plugged into host

LED Backlight Driver

Warning:HIGH VOLTAGE: Use extreme caution when live testing.

power supply area during live testing.

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See

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See

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L07

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L06

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L07

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Panel, Glass, 24"922-8678

Panel, LCD, with LED backlight, 24"661-4822

Cable, Display,LCD Function Interface922-8669 (Not Pictured)

Cable, Ambient Temp Sensor, LCD Panel922-8671 (Not Pictured)

Cable, Ambient Temp Sensor, Blower 922-8672 (Not Pictured)

Cable, All-In-One922-8679 (Not Pictured)

Cable Support, Strain Relief, Metal922-8689 (Not Pictured)

Tape, EMI, Pkg. of 5

922-8691 (Not Pictured)

Cover, Mylar w/adhesive, Logic Board

922-8690 (Not Pictured)

AC InletOffered only as part of Rear Cover

Power Cord, US922-8748 (Not Pictured)

Cable, Camera922-8670 (Not Pictured)

Board, Logic661-4823

Blower922-8673

Board, Camera 922-8511

Subwoofer922-8676

Mechanism922-8688

SpeakersRight 922-8675

Left 922-8674

* Speakers are also included as part of Rear Cover

Stand922-8687

Housing, Display, Rear Cover922-8686

Power Supply, 212 W661-4821

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