Diagnosing A Suspected Hardware Problem

After ruling out other possible cures (that is, you have already checked cable connections, power, AppleVision software, and other possible front-of-screen cures), use the following procedure to help determine and resolve hardware problems. (See the flowchart at the end of this chapter for a simplified depiction of this process.) 1 Turn on the computer and the monitor. 2 Open the application called Display Service Utility (from the Diagnostics folder on the Service Source Companion CD). 3...

Apple Color Sync Displays

17- or 20-inch diagonal Sony Trinitron CRT 16.1- or 19-inch diagonal viewable image size 0.26-mm aperture grille pitch Resolutions and screen refresh rates 640 by 480 pixels at up to 75 Hz 800 by 600 pixels at up to 75 Hz 832 by 624 pixels at up to 75 Hz 1,024 by 768 pixels at up to 75 Hz 1,152 by 870 pixels at up to 75 Hz 1,280 by 1,024 pixels at up to 75 Hz 1,600 by 1,200 pixels at up to 75 Hz 20-inch model only 17-inch model 30 kHz to 80 kHz horizontal 40 Hz to 120 Hz vertical 20-inch model...

Repair Issue Display Service Utility

The Display Service Utility on the Service Source Companion CD Diagnostic Utilities folder is an application that you can use to display video test patterns, restore display settings, run some troubleshooting procedures, and adjust geometry. Within the Display Service Utility, select Pattern Selections AppleVision 850 850AV, and click the Adjust Geometry button. Clicking the Adjust Geometry button opens a screen of scroll bars that you can use to make various geometry adjustments. Although most...

Video Cable

Applevision 1710 Monitor Tube Diagram

Remove the blank plate microphone Download the setup parameters if replacing the CRT video board with a new board refer to the Troubleshooting chapter Remove or partially remove the CRT video board Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety and read the safety guidelines at the beginning of this chapter. Caution Never use a grounding wriststrap until after discharging the CRT. 1 Remove the...

Adjusting the Display after Replacing the Main Deflection Board

Applevision Main Deflection Board

After replacing the main deflection board, perform the following adjustments for all three Macintosh modes screen resolutions 1 Using the control strip or the Monitors control panel , select 1 152x870, the highest of the three Macintosh screen resolutions. Open the Display Service Utility DSU and select Pattern Selections AppleVision 850 850AV. Click the Adjust Geometry button. Note Clicking the Adjust Geometry button causes the DSU to automatically check high voltage EHT . If the high voltage...

Replacement Note

When replacing the EMI ribbon cables, ensure the copper end of the tape touches the metal housing of the CRT video board. 3 With needlenose pliers, press the locking tab on the spade lug connectors to disconnect the following braided cables Ground cable to chassis back panel Phillips screw from the metal shield on top of the CRT video board. 5 Remove the metal shield by flexing the metal tabs slightly and tilting up the shield. 6 Disconnect the two video cable connectors from the top of the CRT...

Sound Enclosure Bezel AV only

Before you begin, remove the following 1 Place your thumbs on the notches at the top edge of the sound enclosure bezel. 2 Use your forefingers to push in the internal brackets. 3 Pull the sound enclosure bezel forward. Rest the sound enclosure bezel on the table. Single-pin connector HA-1 from the sound board Connector BA6 from the sound board

Physical and Electrical

Voltage 90-264 VAC Frequency 47-63 Hz Power 850 150 W maximum Power 850AV 190 W maximum Built-in, tilt-and-swivel stand Tilt range -5 to 15 Swivel range 45 minimum Specifications Size and Weight Height 18.5 in. 474 mm 3 mm Width 18.9 in. 484 mm 3 mm Depth 20 in. 515 mm 3 mm Weight 67 lb. 30 kg Height 21.7 in. 553 mm 3 mm Width 18.9 in. 484 mm 3 mm Depth 21.5 in. 545 mm 3 mm Weight 77 lb. 35 kg

Top Housing

Top Housing

No preliminary steps are required before you begin this procedure. Caution If the top housing breaks even if just one tab breaks , replace it with a new top housing. Do not reuse or repair a broken top housing. Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety and read the safety guidelines at the beginning of this chapter. Important To remove the top housing, you need a ballend 3 32 balldriver hex tool....

Front Bezel

Crt Monitor Without Bezel

Before you begin, remove the blank plate microphone. Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Caution Never use a grounding wriststrap until after discharging the CRT. Position the display so you can access the four screw covers, and so there is space in front of the display for the front bezel to rest when removed. With the display standing upright, locate the four screw covers two on each side...

ADB Board only

Note The ADB board consists of two boards joined together with soldered cable connections and a removable brown-wired, 5-pin connector cable. 1 Press and hold the two tabs away from the ADB board. 2 Tilt up the board from the bottom housing to release it. Replacement Note Before securing the tabs, position the ADB board so the plastic pins on the bottom housing line up with the holes in the board.

Rear Housing

Applevision 1710

Before you begin, remove the top housing. Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety and read the safety guidelines at the beginning of this chapter. With the monitor upright, remove the single Phillips screw from the back. 2 Press in on the two hooks to loosen the rear housing.