Preliminary Steps Syt
Place the display face down on an ESD mat Remove the foot assembly and hinge cover Disconnect the cable connector from the main board to the inverter board Disconnect the cable connector from the main board to the display panel Disconnect the cable connector from the ADC cable to the display panel Remove the chassis from the display panel Disconnect the backlight bulb wire connectors top and bottom from the inverter board
Preliminary Steps Mbr
Place the display face down on an ESD mat Remove the foot assembly and hinge cover Disconnect the cable connector from the main board to the inverter board Disconnect the cable connector from the main board to the display panel Disconnect the cable connector from the ADC cable to the display panel Remove the chassis from the display panel
Procedure Wwl
1. Disconnect the two bottom bulb wire connectors from the inverter board and peel back the tape to release the wires. 3. Put on cotton gloves, then carefully slide the bulb tray out of the panel. Important The bulbs are very fragile. Handle with care. Note The bulbs are interchangeable top and bottom
Apple Cinema Display Repair
1. Disconnect the backlight bulb wire connectors from the inverter board. 2. Remove the three screws from the inverter shield. 3. The inverter shield has small catches inside that secure the inverter board. Pull back slightly on the sides of the shield to release the board. Replacement Note Make sure that the board is secured by the four catches on the shield.
Procedure
2. Lift the foot off the hinge. 3. The clear hinge cap may fall off the foot. If it doesn't, remove it from the foot. 3. The clear hinge cap may fall off the foot. If it doesn't, remove it from the foot. 4. Pull the ADC Apple Display Connector cable through the opening in the foot to separate the foot and the cable.
Procedure 1
1. Remove eighteen hex screws on the rear cover. 2. Lift the rear cover slightly and disconnect the power brightness switch cable connector, shown below. Carefully pull the ADC cable through the rear cover. 2. Lift the rear cover slightly and disconnect the power brightness switch cable connector, shown below. Carefully pull the ADC cable through the rear cover. Note The power brightness switch board is permanently attached to the rear cover and cannot be removed. Replacement Note Verify that...
Cinema Backlight
1. Remove the two screws on the inverter board bracket and remove the bracket. 2. Use the nylon probe tool to carefully spread the securing clip and remove the power brightness switch cable. Replacement Note Install the inverter board bracket with the arrow up. Important The backlight bulbs must be returned with the display panel.
Procedure Hpt
1. Peel the gray Mylar tape back on the chassis to expose the backlight bulb wires. 2. Disconnect the two top bulb wire connectors from the inverter board and peel back the tape to release the wires. 4. Put on cotton gloves, then carefully slide the bulb tray out of the panel. Important The bulbs are very fragile. Handle with care.
Apple Cinema Display 22 Cover
2. Lift the panel and chassis assembly off the bezel. Important The display panel is very heavy. Use caution when lifting the panel out of the bezel. Note The picture below illustrates removal of the display panel, you do not need to remove the items not shown.
How to Use the Symptom Charts
The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. Note If you have replaced a module, reinstall the original module before you proceed to the next cure. Note Referring to the Block Diagram in this manual may be...
Take Apart
Apple Cinema Display 22 LCD ADC The following tools are recommended for the take apart procedures. jeweler's 1 Phillips screwdriver white cotton gloves 922-1592 nylon probe tool 922-5065 Important The display plastics, inside and out, retain fingerprints and can scratch easily. Be very careful with tools, lay the display and plastic parts only on a clean soft surface, and wear clean white cotton gloves when handling and servicing the display.