Replacement Note In

August 1 999 a new color version of the display was introduced. The USB label you use to replace the old label must match the housing color. Replace the USB label like for like (Apple part number 922-3757 for blue Apple part number 922-4055 for gray). 3 Lift away the plastic USB cover from the housing.

Screen Adjustment

1 Turn on the display and let it warm up for five minutes. 2 Using the Color screen from the Monitors control panel, set white point to 9300 + 8MPCD (default). 3 Using the control strip, set the screen resolution to 1 1 52x870 at75 Hz. 4 Using the front panel controls, set Brightness to detent (mid-point) Using the USB DSU, select the gray bars pattern. 6 With the room lights dimmed, use a plastic screwdriver to slowly adjust the Screen control so that the leftmost bar is completely black. 7...

Apple Studio Display CRT

Rear Housing 922-3681 922-3914 (Ser.2) Intermediate Bezel (includes Bezel Shield) 922-3726 922-3916 (Ser.2) Rear Housing 922-3681 922-3914 (Ser.2) Intermediate Bezel (includes Bezel Shield) 922-3726 922-3916 (Ser.2) Bottom Housing Assembly (includes User Controls Board & USB Assembly) 922-3723 922-3917 (Ser.2) CRT Video Board 661-2116 (Ver. 1) 661-2231 (Ver. 2)

Video Cable

Discharge CRT and remove anode cap Remove main deflection board from the hinges on the CRT video board shield Remove the Phillips screw at the cable clip Disconnect connectors B1000 and B2000 Route the end of the video cable through the shield opening Disconnect the end of the USB cable at the 5-pin connector on the bottom housing. Remove the USB cable from the cable clamps. 4 At the video cable strain relief, remove the Phillips screw from the metal strip. Pull out the video cable strain...

Power Board

Discharge CRT and remove anode cap Phillips screws and star washers that secure the power board's shield to the display assembly. 2 Swing out the power board on its hinges. Then lift it up and move it off the hinge hooks. 3 Open the cable clamp, and disconnect the following cables 2-pin locking connector from BP6 10-pin locking connector from BP3

Features

21-inch (19.8-inch viewable image size) Sony Trinitron CRT Aperture grille technology for vivid colors and sharp text Vertically flat screen for reduced glare Elegant translucent case that matches Apple's latest Power Macintosh G3 computers Storage space under the display for your keyboard Four-port USB hub for connecting peripherals Uses industry-standard ColorSync color management technology Ensures consistent, accurate color over the lifetime of the monitor Saves production time by creating...

Front Bezel

Discharge CRT and remove anode cap Caution Read all of the steps in this procedure before attempting it. If you lose a screw within the display assembly, you will need a mechanic's magnet to retrieve it. Important Loosen but do not remove the two captive screws at each side of the bezel as follows Use a magnetized long T-1 5 torx driver to insert through the two screw channels on each side of the intermediate bezel. Turn the screwdriver only about four turns until the sides of the front bezel...

CRTVideo Board

Discharge CRT and remove anode cap Important Download the setup parameters if replacing the CRT video board with a new board (refer to the Adjustments chapter) Remove main deflection board Caution To avoid loss of data, you must download the display parameter settings before replacing the CRT video board with a new board. However, you do not have to download the setup parameters if you are removing the board for another procedure and will install the same board. Warning This product contains...

USB Assembly

Discharge CRT and remove anode cap Refer to Power Board in this chapter to remove the three Phillips screws at the power board. Swing out the power board on its hinges so you can access the three USB cables at the bottom housing. Using a flat-blade screwdriver or a needlenose pliers, disconnect 2-pin locking connector BU5 at the USB board. 4 Disconnect the two remaining USB cables at the USB board Replacement Caution When replacing the three USB cable connectors, ensure the connectors are...

New Tripod Stand Safety Tips

Because this is a new design, keep in mind the following Caution Lift the display by the hand grips under the left and right sides of the display. Never lift the display by the tripod stand. Caution Do not adjust the position of the monitor by pushing or pulling the stand legs. The tripod stand is subject to cracking or breakage if mishandled. Warning When placing the monitor on a table surface, ensure that all three legs on the tripod stand contact the surface. If one of the legs is too close...

Miscellaneous

Screen jitter at 1600 x 1200 resolution A slight jitter may be visible when connected to the ATI Rage 128 video card in the Power Macintosh G3 (Blue and White). If so, refer to the Power Macintosh G3 (Blue and White) service manual. (The customer might need to replace the video card.) Important The display is not at fault and should not be replaced. Limited Geometry and Color controls when display connected to Apple video card Due to signal dependencies not present on the VGA-style connector of...

TudioDsply

1152 x 37 12S0x 36 12S0 x 10 1600 x 10 1600 x 12 To properly set up the configuration, go to the symptom Display does not work with USB card in Power Macintosh computer in this chapter. Follow the steps in sequence. Ensure the USB software is installed before the Apple Displays Software. If the symptom remains, refer to the Adjustments chapter. Follow the steps in Downloading Setup Parameters and Replacing the CRT Video Board. Then follow the steps in Adjusting the Display after Replacing the...

User Controls Board

Discharge CRT and remove anode cap Remove main deflection board Starting at the power button board, use a flat-blade jeweler's screwdriver to press the two plastic hooks through the holes in the board. Tilt the board forward and remove it from the plastic holder on the bottom housing. Allow the board to hang from its cable connection. 4 At the control panel launcher button board, use a flat-blade jeweler's screwdriver to press the two plastic hooks through the holes in the board. 5 Tilt the...

Usb

1 Adjust front panel Brightness and Contrast controls. 2 Check high voltage as described in Checking High Voltage in this chapter. 3 Refer to the Adjustments chapter. Follow the steps in Downloading Setup Parameters and Replacing the CRT Video Board. Then follow the steps in Adjusting the Display after Replacing the CRT Video Board. Device connected to USB port does not work Verify USB cable plugged into a working Power Macintosh G3 (Blue and White). Try USB device in all four USB ports on the...

User Adjustments

The screen adjustment controls that are available to users are the front panel controls and those controls accessed by the Monitors control panel. With the front panel controls, users can adjust brightness and contrast levels or use the control panel launcher button to open the Monitors control panel window. Once the Apple Displays Software is installed on the Mac OS computer, users can use the Monitors control panel to optimize the display screen. Within the Monitors control panel, users can...

Replacing the Buttons

- Legs removed, the control panel launcher button and the power button can fall out of Pin the bezel. Follow these steps 1 Check that the plastic legs and pin on the button are not bent or 2 Insert the button in the front bezel and check that the pin on the button aligns with the pin on the inside of the front bezel. 3 Position the button as shown. If necessary, secure the button in place with removable tape. As you reinstall the bezel, ensure the button contacts the switch on the user controls...

Corner Correction

When you click Adjust Geometry, a screen appears with the slider bar controls shown. Unique to this version of the Display Service Utility is the Corner Correction control. This control corrects the shape at the corners of the screen. Unlike previous versions of the USB DSU, with version 2.1 or later if you click Cancel, any changes made are not saved and the screen reverts back to the previous look of the screen display. If you click Save, the changes are saved to both user and factory mode.

Main Deflection Board

Discharge CRT and remove anode cap 1 Open the cable clamp that secures the anode cable to the plastic yoke on the CRT. 2 Refer to CRT Video Board in this chapter to remove the red and white focus wires from the CRT socket. Phillips screws and star washers that secure the main deflection board shield to the display assembly. 4 Gently swing out the board on its hinges. Swing out the main deflection board far enough until you can see that the bottom bracket at the inside corner clears the video...

Diagnostic Adjustments

Diagnostic adjustments are those display adjustments that can be made by a service provider, not by a user. Diagnostic adjustments for this display require both The new USB Display Service Utility (USB DSU) Important New for this display is the USB Display Service Utility. This diagnostic utility is for use only with the USB-based Studio Display (21 CRT). Important In February 2000 version 2.1.2 of the USB Display Service Utility was introduced. Destroy previous versions of the USB Display...

Replacement Caution

The connector has metal contacts on one side. To prevent an electrical short, ensure the cable to the connector is twisted so that the contacts do not touch the solder pins on the board. Place the display facedown on a padded surface and remove the four T-1 5 torx screws from the bottom housing. 4 Locate the two Phillips corner screws that connect to the CRT frame. 5 At both corners, remove the screw and peel back but do not remove the copper tape at the bottom housing. 6 Grasping both sides of...

Replacement Note

Heatsink, included on earlier versions of the display, is not essential. So do not replace the heatsink, but do ensure the two screws still secure the back EMI shield to the copper posts. 3 Pull off the back EMI shield from the rear of the CRT video board. Caution On some units, removing the lower screws on the heatsink can cause the screws that secure the other end of the copper posts to become loose or fall inside the unit. Therefore, after the back EMI shield and top EMI panel are removed,...

Safety Precautions for Working Inside the Display

Before you begin any procedures that require removing the housing, refer to the Take Apart chapter for complete removal instructions. Warning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Warning Because you make adjustments from the rear of the monitor, position a mirror to view the monitor screen. Do not reach around the monitor to adjust the controls.

Voltage Check at Power Board

1 Turn on the monitor and set the screen resolution to 1 152x870 at 75 Hz. 2 Open the USB Display Service Utility (USB DSU) and select the crosshatch pattern with the black background. 3 From the USB DSU, click Adjust Geometry. Set the Horizontal Width control to 385 mm (15 in) and the Vertical Height control to 288 mm (11 in). Confirm the screen dimensions with a tape measure. 4 Set the screen control (lowest control on the flyback transformer on the main deflection board) to minimum...

Tripod Stand

No preliminary steps are required before you begin this procedure. Important The tripod stand should remain attached for most of the Take Apart procedures. The tripod stand helps support the weight of the display, and it enables you to reposition the display as needed during the procedures. 1 Place the display face down on a raised padded surface such as a thick book or ream of paper. 2 Use a flat-blade screwdriver to remove the plastic insert on the bottom of the tripod stand. 3 Looking...

When the Second Display Is a Power Book G Series Bronze keyboard

When using the PowerBook G3 Series (Bronze keyboard) with a Studio Display (21 CRT) that displays a black screen, you can use the PowerBook's LCD to access the Studio Display's desktop. However, when you first connect the Studio Display (21 CRT) to the PowerBook G3 Series (Bronze keyboard), you will see a desktop with no menu bar. 1 Shut down the PowerBook and disconnect the Studio Display (21 CRT). 2 With the Studio Display (21 CRT) disconnected, turn on the PowerBook. 3 When the desktop...

Rear Housing

Powermac Beige Crt

Before you begin, remove the USB cover. Caution To avoid scratching the rear housing, read all of the steps in this procedure before removing the rear housing. 1 Caution Position the display near a table corner so you can rotate the monitor and reach all six rear housing screws from below. Ensure all three feet of the tripod stand maintain contact with the table. With the screen facing you, remove the two T-1 5 torx screws at the front underside of the rear housing. Rotate the display to remove...

Apple Displays Software version

Apple Displays

In August 1999 version 1.8 of the Apple Displays Software was released. One of the main differences from previous versions (1.7.1 and earlier) is the name of a control panel. The Monitors & Sound control panel (in versions 1.7.1 and earlier), used for some screen adjustments, is now called the Monitors control panel in version 1.8 and later. The features of the Monitors control panel are the same as the old Monitors & Sound control panel, except audio controls now have their own separate...

USB Display Service Utility version

In February 2000 version 2.1.2 of the USB Display Service Utility was introduced. The main difference between this version and earlier versions is the addition of PowerBook (FireWire) compatibility. Important Destroy previous versions of the USB Display Service Utility. To avoid loss of data, use only the latest version of the USB DSU. Refer to the Read Me file for more information. You can access the Read Me file and the latest version of the USB Display Service Utility from the Service...

Technical Specifications

21-Inch diagonal Trinitron CRT 19.8-Inch diagonal viewable Image size Variable, superfine 0.25- to 0.27-mm aperture grille pitch 640 by 480 pixels at up to 85 Hz 800 by 600 pixels at up to 85 Hz 832 by 624 pixels at up to 75 Hz 1,024 by 768 pixels at up to 85 Hz 1,152 by 870 pixels at up to 75 Hz 1,280 by 1,024 pixels at up to 85 Hz 1,600 by 1,200 pixels at up to 85 Hz 31 to 107 kHz horizontal 48 to 120 Hz vertical Line voltage 90V to 264V AC Frequency 47 to 63 Hz, single phase Power 180W...

Two Versions of the CRTVideo Board

Important In November 1999, a second version of the CRT video board was introduced. The second version is not backward compatible with the previous version the original board . You must verify the version and replace boards like for like. Check the serial number on the back of the display rear housing . A serial number of WR9451T8HOE or later means the unit uses a version 2 board. To interpret the number, check the date code embedded in the number. WR945xxxxxx can be interpreted as aaywwxxxxxx,...

Crt Horizontal Focus Vertical Focus

Crt Horizontal Focus Vertical Focus

Open the Monitors control panel, and click Convergence for best overall convergence. Note Misadjusted convergence is often diagnosed as poor focus. 2 Using the control strip, set the screen resolution to 1600x1200 at 85 Hz. 3 Run the USB DSU, and select the focus pattern percent signs . 4 Adjust horizontal and vertical focus controls two top controls on the flyback transformer for best center-of-screen performance. If necessary, readjust each focus control to optimize overall focus. If the...

Checking High Voltage

This high-voltage check is a required procedure for some of the symptoms in this chapter. After checking high voltage, return to the symptom chart, if necessary. Warning Read all of the warnings, notes, and steps of this procedure before beginning. Warning Do not perform this procedure without someone else nearby. If there is an accident, someone nearby could save your life. Apple recommends that your staff be trained in cardiopulmonary resuscitation CPR . Warning Voltage at the anode, with the...

Apple Studio Display with Color Sync Technology

Color is indispensable to today's computer applications, whether you're producing magazines, creating business presentations, or designing multimedia materials. The Apple Studio Display with ColorSync technology is an uncompromising monitor that provides accurate color for every situation. It combines lifetime color calibration with outstanding visual performance and a stunning appearance all at a competitive price. The first thing you'll notice about this Apple Studio Display is its striking...

No Video

No video screen is black power indicator light off No video screen is black amber power indicator light on 1 Shut down computer and monitor. Inspect power cord for damage use ohmmeter to check for continuity. 2 Verify that monitor power cord is connected to power socket on back of computer, that computer is connected to live power source, that monitor power button is on, and that computer connected to display is on. 3 Check for blown fuse located at FP1 on power board. If blown, replace it with...

Connecting a Second Monitor for Downloading Setup Parameters

Apple Studio Display

If the Studio Display 21 CRT screen is black or unreadable and you need to replace the CRT video board, you can connect a second known-good monitor for viewing the USB DSU to download setup parameters. Important The setup for the second monitor depends on the computer system you are using for PowerBooks, see the note and warning on the next page . In most cases, connect the video cable from the Studio Display 21 CRT to the built-in video port and connect the second monitor used for viewing to...

Variances in screen color and brightness are usually caused by the setup controls or the environment

Screen color purity over the entire screen may not always be perfect. CRT tolerances allow for some distortion. Try adjusting the beam landing, rotation, brightness, or contrast to reduce or eliminate the symptom. Color imperfections can be caused by magnetized metal objects desks, file cabinets . Move the unit to a different location if you notice color blotches or a change in brightness on an area of the screen. If the display changes for better or worse when you move it to another location,...

Intermediate Bezel

Discharge CRT and remove anode cap 1 Remove the T-15 torx screw from the bottom of each side of the intermediate bezel. 2 Facing the front of the display, flex the sides of the intermediate bezel and tilt the back of the intermediate bezel up and toward you. intermediate bezel part includes the inner flexible plastic shield. When reinstalling the intermediate bezel, ensure the plastic shield is properly aligned within the inner edges of the bezel.

Replace the CRTVideo Board

1 Remove the defective CRT video board and replace it with a new CRT video board. Refer to the CRT Video Board topic in the Take Apart chapter. 2 Reattach the power cord. Restart the computer. 3 Open the USB DSU. Upload Parameter Settings 1 To upload parameter settings, use the USB DSU and click Write File. A message appears explaining that the process will take about 2.5 minutes. Note If the Write File button is grayed out, this means the application can t find the Parameter Settings MBY file....