Service Source K 17" ColorSync Displays 17” ColorSync Display (was AppleVision 750)17” ColorSync AV Display (was AppleVision 750AV)
Basics Product Name Change - 1 Product Name Change The AppleVision 750 and 750AV Displays were renamed in November, 1997. Although the body of this
Take Apart CRT/Video Board - 43 12 Loosen the flat-head mounting screw on the metal ring clamp that holds the CRT/video board to the CRT neck.
Take Apart CRT/Video Board - 44 13 Caution: Twisting, bending, or applying force to the CRT/video board could damage the neck of the CRT.With a ge
Take Apart CRT/Video Board - 45 14 With the red and white flyback transformer wires still attached, remove the three Phillips screws from the neck t
Take Apart CRT/Video Board - 46 16 While holding, but not pulling, the red and white wires, use a jeweler’s flat-blade screwdriver to tilt up the wi
Take Apart CRT/Video Board - 47 Caution: If the wires are swapped or not pressed in far enough, the screen display will show poor focus.
Take Apart Main Deflection Board - 48 Main Deflection Board Before you begin, • Remove the microphone assembly/blank plate• Remove the sound enclosu
Take Apart Main Deflection Board - 49 review CRT safety in Bulletins/Safety. Caution: Never use a grounding wriststrap until after discharging the
Take Apart Main Deflection Board - 503 Disconnect the spring from the CRT frame.4 Disconnect the anode cap.SpringCRT FrameAnode Cap
Take Apart Main Deflection Board - 515 Disconnect BM4 from the intermediate board.
Take Apart Main Deflection Board - 526 Place the monitor face down on a padded surface.7 Remove the six Phillips screws that secure the chassis to th
Basics Product Overview - 2 Product Overview The AppleVision 750AV Display is a full-page, Trinitron color monitor that supports a variety of resolu
Take Apart Main Deflection Board - 53Replacement Note: The main deflection board module includes the main deflection board and chassis as one part.
Take Apart Intermediate Board - 54Intermediate BoardImportant: Service data indicates this board rarely fails.Before you begin, • Remove the microph
Take Apart Intermediate Board - 55±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT
Take Apart Video Cable and Strain Relief - 56Video Cable and Strain ReliefBefore you begin, • Remove the microphone assembly/blank plate• Remove the
Take Apart Video Cable and Strain Relief - 57Caution: Never use a grounding wriststrap until after discharging the CRT.1 Remove the single Phillips
Take Apart Video Cable and Strain Relief - 583 Disconnect the video cable at• BV4• BV34 Remove the Phillips screw that attaches the video cable clip
Take Apart Video Cable and Strain Relief - 596 Remove the Phillips screw from the metal chassis.7 Lift the strain relief straight out of the chassis
Take Apart On-Screen Display Board - 60On-Screen Display BoardBefore you begin, • Remove the microphone assembly/blank plate• Remove the sound enclos
Take Apart On-Screen Display Board - 61±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, revie
Take Apart On-Screen Display Board - 622 Lift the metal frame straight off of the bezel.
Basics Product Overview - 3 The AppleVision 750AV Display works with both Mac OS-based and Windows-based computers. Features The AppleVision 750AV
Take Apart On-Screen Display Board - 633 Use a 9/64-inch hex key to remove the four screws holding the on-screen control boards to the front bezel.4
Take Apart Front Bezel - 64Front BezelBefore you begin, • Remove the microphone assembly/blank plate• Remove the sound enclosure (750AV only)• Remove
Take Apart Front Bezel - 65±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety
Take Apart Front Bezel - 662 Lift the metal frame straight off the bezel.
Take Apart Front Bezel - 673 Using both hands, lift the CRT off of the bezel.
Take Apart Front Bezel - 68Replacement Note: Route the cables as shown when replacing the bezel. Replacement Note: When replacing a TCO 95 front be
Service Source K Adjustments 17" ColorSync Displays(AppleVision 750, 750AV)
Adjustments Introduction to the Monitors & Sound Control Panel - 1 Introduction to the Monitors & Sound Control Panel You can adjust the scr
Adjustments Introduction to the Monitors & Sound Control Panel - 2 looks like a question mark; it appears in the upper-right corner of the scree
Adjustments Introduction to the Monitors & Sound Control Panel - 3 From the Monitors & Sound control panel, you can select six main buttons:
Basics Repair Issue: Display Service Utility - 4 Repair Issue: Display Service Utility The Display Service Utility (on the Service Source Companion
Adjustments Introduction to the Monitors & Sound Control Panel - 4 The Monitor Sound button controls the monitor’s internal speakers and devices
Adjustments Brightness and Contrast - 5 Brightness and Contrast Before you begin, install the AppleVision software. Note: There are two ways to adj
Adjustments Brightness and Contrast - 6 Brightness To use the front panel brightness controls, • Press the down button to decrease the brightness.•
Adjustments Brightness and Contrast - 7 Contrast To use the front panel contrast controls, • Press the down button to decrease the contrast.• Press
Adjustments Brightness and Contrast - 8 Using Monitors & Sound To use the Monitors & Sound control panel to adjust brightness and contrast,1
Adjustments Brightness and Contrast - 9 2 Click the Monitor button.
Adjustments Brightness and Contrast - 10 3 Drag the slider controls left or right to decrease or increase the brightness and contrast.Slider Control
Adjustments Geometry - 11 Geometry 1 Press any control button to open the Monitors & Sound control panel. Or select Control Panels from the Appl
Adjustments Geometry - 12 Height/Width 1 Click Height/Width.2 Move the pointer over the screen rectangle in the picture of the display.3 Drag the le
Adjustments Geometry - 13 Note: Instead of dragging the screen rectangle, you can adjust height and width by clicking the arrow buttons for increm
Basics Repair Issue: Display Service Utility - 5 A selection for the AppleVision 750/750AV was added to the latest version of the Display Service Ut
Adjustments Geometry - 14 Position (Centering) 1 Click Position. 2 Move the pointer over the picture of the display.3 Drag the screen rectangle to c
Adjustments Geometry - 15 Pincushion 1 Click Pincushion. 2 Move the pointer over the picture of the display.3 Drag the left or right side of the scr
Adjustments Geometry - 16 Rotating 1 Click Rotate. 2 Move the pointer over the picture of the display.3 Drag the screen rectangle clockwise or count
Adjustments Geometry - 17 Convergence 1 If you want to adjust the RGB color convergence, click the Convergence button. A Convergence Control window
Adjustments Geometry - 18 2 Click the arrow buttons to adjust convergence. Adjust convergence for the overall best screen color clarity. Note: The
Adjustments Geometry - 19 Overscan Note: Overscan is typically used when viewing a movie or when you want the screen image to span the entire scree
Adjustments Geometry - 20 2 To turn overscan off, click Off, and the screen image returns to its previous size.Off
Adjustments Geometry - 21 Factory Settings Important: Clicking the Factory Settings button resets only the geometry controls and convergence. The
Adjustments Color - 22 Color 1 Press any control button to open the Monitors & Sound control panel. Or select Control Panels from the Apple menu
Adjustments Color - 23 Refer to the Monitors & Sound Guide within AppleVision software for specific color adjustments.
Basics Repair Issue: Display Service Utility - 6 geometry adjustments. Although most of these adjustments can be duplicated by using the Monitors &a
Adjustments Sound (750AV only) - 24 Sound (750AV only) Before you make changes to the Sound window of Monitors & Sound, choose Control Panels fr
Adjustments The Control Strip - 25 The Control Strip The control strip is a line of small icons that appears when you turn on the AppleVision displa
Adjustments The Control Strip - 26 Changing Screen Resolution To view or change the display’s screen resolution,1 Move the pointer over the checkerb
Adjustments The Control Strip - 27 Changing Color Depth To view or change the display’s color depth,1 Move the pointer over the striped screen icon,
Adjustments The Control Strip - 28 Close Click close boxor click tabOpen Click tabResize Click and dragtabMove Hold down Option key and drag tab
Service Source K Exploded View 17" ColorSync Displays(AppleVision 750, 750AV)
Exploded View 1 922-1455922-3335 (TC095)Front Bezel922-1677Microphone Cable922-1511On ScreenDisplay SwitchesBoard590-0380Power Cord922-1598
Basics Repair Issue: TCO 95 Housing - 7 Repair Issue: TCO 95 Housing Effective January 1998, TCO 95 plastics are used for the 17” ColorSync Display
Service Source K Specifications 17" ColorSync Displays(AppleVision 750, 750AV)
Specifications Introduction - 1 Introduction Specifications information for this product can be found in this chapter and also in the Spec Database,
Specifications Characteristics - 2 Characteristics Picture Tube 17-in. Trinitron CRT (16.1-in. diagonal viewable image)Multiple scan, antistatic, an
Service Source K Hot Issues 17" ColorSync Displays(AppleVision 750, 750AV)
Specifications Characteristics - 3 Scan Rates Vertical refresh rate: 40–120 HzHorizontal scan rate: 30–80 kHz Cable Connector 15-pin miniature D-typ
Specifications Characteristics - 4 System Requirements System software version 7.1 or laterComputers with 68040 microprocessors or laterAppleVision
Specifications Characteristics - 5 Monitor Timings 640x480 Resolution @ 60 Hz640x480 Resolution @ 66.67 HzHorizontal Timing Horizontal Timing1/H: 31
Specifications Characteristics - 6 Monitor Timings 800x600 Resolution @ 60.31 Hz800x600 Resolution @ 75 HzHorizontal Timing Horizontal Timing1/H: 37
Specifications Characteristics - 7 Monitor Timings 832x624 Resolution @ 74.55 Hz1024x768 Resolution @ 74.93 HzHorizontal Timing Horizontal Timing1/H
Specifications Characteristics - 8 Monitor Timings 1024x768 Resolution @ 60 Hz1152x870 Resolution @ 75 Hz Horizontal Timing Horizontal Timing1/H: 48
Specifications Characteristics - 9 Monitor Timings 1280x1024 Resolution @ 60 Hz1280x1024 Resolution @ 75.03 HzHorizontal Timing Horizontal Timing1/H
Specifications Characteristics - 10 Speakers (750AV only) Stereo, with ported (bass reflex) chamber designMaximum loudness: 92 dB SPL at 1 kHz at 0.
Specifications Controls and Ports - 11 Controls and Ports User Controls Front panel (750AV): power, brightness, contrast, bass, treble, microphone o
Specifications Controls and Ports - 12 I/O Ports Apple Desktop Bus (ADB): Two pass-through output ports Headphone/Speaker (750AV): One audio output
Hot Issues Overview - 1 Overview This chapter is designed to highlight unique or high-priority product issues that you should be aware of before ser
Specifications Physical and Electrical - 13 Physical and Electrical Power Supply Voltage: 100–120 VAC; 220–240 VACFrequency: 50–60 HzPower (750): 13
Specifications Environmental - 14 Environmental Temperature Operating: 50°F to 104°F (10°C to 40°C)Shipping: –4°F to +140°F (–40°C to +60°C)Storage:
Specifications Environmental - 15 TCO 92 compliant: Certified by TCO (the Swedish Confederation of Professional Employees) to have met global safety
Apple ColorSync DisplaysApple’s ColorSync Displays feature advanced color calibration for outstand-ing image quality and color consistency, both right
Apple ColorSync DisplaysTechnical Specifications Picture tube• 17- or 20-inch (diagonal) Sony Trinitron CRT(16.1- or 19-inch diagonal viewable image s
Service Source K Troubleshooting 17" ColorSync Displays(AppleVision 750, 750AV)
Troubleshooting General - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Be
Troubleshooting First Checklist/ - 2 First Checklist Important: Many AppleVision 750 and 750AV display modules returned for repair are found to be
Troubleshooting First Checklist/ - 3 A maladjusted screen can mimic the symptoms of main deflection board or CRT failures. By performing the adjustm
Troubleshooting Symptom Charts/No Raster - 4 Symptom Charts Important: For procedures that require the monitor to be turned on, allow the monitor
Hot Issues Revised Troubleshooting Chapter Features CRT/Video Board Pro- Revised Troubleshooting Chapter Features CRT/Video Board Procedures (3/98)
Troubleshooting Symptom Charts/Geometry - 5 No raster (screen is black); power indicator light off1 Verify that monitor is connected to live power s
Troubleshooting Symptom Charts/Screen Color - 6 Screen Color Screen is one predominant color1 Verify that CRT/video board is properly seated on CRT
Troubleshooting Symptom Charts/Focus - 7 Focus Focus poor 1 Using the Monitors & Sound control panel, verify that convergence is set correctly.
Troubleshooting Symptom Charts/Focus - 8 Center of screen remains blurry after adjusting focus and convergence1 Use a standard plastic hex tool to a
Troubleshooting Symptom Charts/Audio (750AV only) - 9 Audio (750AV only) The symptoms associated with a defective sound enclosure are relatively eas
Troubleshooting Symptom Charts/Miscellaneous - 10 Suspected hardware problem because checking cables, power, software, and other front-of-screen cur
Troubleshooting Downloading Setup Parameters and Replacing the CRT/Video Downloading Setup Parameters and Replacing the CRT/Video Board* * Importa
Troubleshooting Downloading Setup Parameters and Replacing the CRT/Video Duplicate the Parameter Settings File 1 Locate the Parameter Settings 750
Troubleshooting Adjusting the Display after Replacing the CRT/Video Board*/ Adjusting the Display after Replacing the CRT/Video Board* * Important:
Troubleshooting Adjusting the Display after Replacing the CRT/Video Board*/ Recalibrate White Points Caution: If the video cable is connected to a
Hot Issues Revised Troubleshooting Chapter Features CRT/Video Board Pro- expanded Troubleshooting chapter for the latest troubleshooting procedures;
Troubleshooting Adjusting the Display after Replacing the Main Deflection Board/ Adjusting the Display after Replacing the Main Deflection Board Aft
Troubleshooting Adjusting the Display after Replacing the Main Deflection Board/ 5 If necessary, repeat step 4 for the best overall focus.6 Check th
Troubleshooting Checking High Voltage/Recalibrate White Points - 17 Checking High Voltage This high-voltage check is a required procedure for some
Troubleshooting Diagnosing A Suspected Hardware Problem/Recalibrate White Diagnosing A Suspected Hardware Problem After ruling out other possible c
Troubleshooting Diagnosing A Suspected Hardware Problem/Recalibrate White 7 If a dialog box appears that says the Display Service Utility (DSU) is
Troubleshooting Diagnosing A Suspected Hardware Problem/Recalibrate White 8 If the Create File process finishes successfully, click Adjust Geometry
Troubleshooting Diagnosing A Suspected Hardware Problem/Recalibrate White DSUable tocommunicatewith display (Create File process successful)? Click
Service Source K Take Apart 17" ColorSync Displays(AppleVision 750, 750AV)
Take Apart Model Differences - 1 Model Differences Unless indicated otherwise, the procedures in this chapter apply to both models. Procedures and s
Take Apart Microphone Assembly/Blank Plate - 2 Microphone Assembly/Blank Plate No preliminary steps are required before you begin this procedure. No
Hot Issues Jittery or Blurry Video with Power Macintosh 5500/6500 Jittery or Blurry Video with Power Macintosh 5500/6500 (12/97) If the display exh
Take Apart Microphone Assembly/Blank Plate - 3 1 Place a jeweler’s screwdriver in the microphone assembly slot. Press the screwdriver down and towar
Take Apart Microphone Assembly/Blank Plate - 4 3 Disconnect the microphone cable and remove the microphone assembly.
Take Apart Sound Enclosure (750AV only) - 5 Sound Enclosure (750AV only) Before you begin, remove the microphone assembly.
Take Apart Sound Enclosure (750AV only) - 6 1 Place the monitor upside down on a protective pad.
Take Apart Sound Enclosure (750AV only) - 7 2 Peel off the two adhesive disk screw covers. Stick them beside the screw holes. Replacement Note:
Take Apart Sound Enclosure (750AV only) - 8 3 Use a long T-15 torx driver to loosen (but not remove) the four corner screws. Important: Do not rem
Take Apart Sound Enclosure (750AV only) - 9 4 Tilt up the sound enclosure, away from the monitor side. 5 While holding the sound enclosure up, disco
Take Apart Sound Enclosure (750AV only) - 10 6 Lift the sound enclosure straight up and away from the monitor.Sound EnclosureMonitor
Take Apart Sound Enclosure (750AV only) - 11 Replacement Note: Ensure that the 2-pin connector wire is routed through the rectangular opening in t
Take Apart Sound Enclosure Bezel (750AV only) - 12 Sound Enclosure Bezel (750AV only) Before you begin, remove the following:• Microphone assembly•
Hot Issues Jittery or Blurry Video with Power Macintosh 5500/6500 Identifying Suspect Units Video jitter or blurry video can be caused by Power Mac
Take Apart Sound Enclosure Bezel (750AV only) - 13 1 If you see glue where the bezel and the speaker chamber meet, cut through the glue with a sharp
Take Apart Sound Enclosure Bezel (750AV only) - 14 3 Disconnect the cable at BA3 from the sound board.4 Disconnect the single-pin connector at HA3 f
Take Apart Sound Enclosure Bezel (750AV only) - 15 5 Remove the three T-8 torx screws from the sound control board.ScrewsSound Control Board
Take Apart Speakers (750AV only) - 16 Speakers (750AV only) Before you begin, remove the following:• Microphone assembly• Sound enclosure• Sound enc
Take Apart Speakers (750AV only) - 17 1 Disconnect speaker wires BA5 and BA6 from the sound board. Replacement Note: The speaker wires must cross
Take Apart Speakers (750AV only) - 18 2 Remove the four T-15 torx speaker screws. Caution: When replacing a speaker, do not overtighten the screws
Take Apart Audio Cable (750AV only) - 19 Audio Cable (750AV only) Before you begin, remove the following:• Microphone assembly• Sound enclosure
Take Apart Audio Cable (750AV only) - 20 1 Disconnect the audio cable from connector BA4 on the sound board.2 Lift the cable from the plastic guides
Take Apart Sound Board (750AV only) - 21 Sound Board (750AV only) Before you begin, remove the following:• Microphone assembly• Sound enclosure• Aud
Take Apart Sound Board (750AV only) - 22 1 Disconnect from the sound board• Connector at BA3• 2-pin connector at BA5• 2-pin connector at BA6 Replace
Hot Issues Jittery or Blurry Video with Power Macintosh 5500/6500 Power Macintosh 6500 computers should not be set to resolutions higher than 1152x
Take Apart Sound Board (750AV only) - 23 2 Remove the four T-15 torx screws from the sound board.3 Lift the board off of the sound enclosure.
Take Apart Bottom Housing (750 only) - 24 Bottom Housing (750 only) No preliminary steps are required before you begin this procedure. ± Warning:
Take Apart Bottom Housing (750 only) - 25 2 Position the tilt-swivel base sideways and so it is resting over a table edge.3 Slide the tilt-swivel ba
Take Apart Bottom Housing (750 only) - 26 4 Slide the tilt-swivel base up and remove the two T-15 torx screws below the base.Screws
Take Apart Bottom Housing (750 only) - 27 5 Tilt the bottom housing away from the rear housing.6 Disconnect the 4-pin connector at BH1 on the ADB bo
Take Apart ADB Board (750 only) - 28 ADB Board (750 only) Before you begin, remove the bottom housing. Note: The ADB board consists of two boards
Take Apart ADB Board (750 only) - 29 Replacement Note: Before securing the board tabs, position the ADB board so the plastic pins on the bottom ho
Take Apart Rear Housing - 30 Rear Housing Before you begin, remove the following:• Microphone assembly or blank plate• Sound enclosure (750AV displa
Take Apart Rear Housing - 31 Important: You must remove the microphone assembly or blank plate and the sound enclosure before removing the rear ho
Take Apart Rear Housing - 32 3 Caution: To avoid damaging the plastic housing or screw cover, don’t use a screwdriver or other metal tool.With one
Service Source K Basics 17" ColorSync Displays(AppleVision 750, 750AV)
Take Apart Rear Housing - 33 6 Remove the four T-15 torx screws.7 Where the top part of the rear housing meets the bezel, pull up and out on the arc
Take Apart Rear Housing - 34 8 With both hands on the rear housing, lift it off the bezel.Route the video cable through the housing opening.
Take Apart Rear Housing - 35 Replacement Note: For the AppleVision 750AV only, ensure that the 2-pin connector wire is routed through the rectangu
Take Apart CRT/Video Board - 36 CRT/Video Board Before you begin, • Remove the microphone assembly/blank plate• Remove the sound enclosure (750AV on
Take Apart CRT/Video Board - 37 settings using the Display Service Utility before replacing the CRT/video board with a new board. ± Warning: This
Take Apart CRT/Video Board - 38 After discharging the CRT,1 With needlenose pliers or a flat-blade screwdriver, disconnect the long braided CRT grou
Take Apart CRT/Video Board - 39 4 Disconnect• BV14 • BV15• BV16 • BV2 (ribbon cable)• Copper tape • Ground strap (Phillips screw)
Take Apart CRT/Video Board - 40 5 Disconnect these cables:• BV12 (ribbon cable) • BS6 (5-pin connector next to BV12)6 Remove the single Phillips scr
Take Apart CRT/Video Board - 41 8 Disconnect the video cable at• BV4• BV39 Remove the Phillips screw that attaches the video cable clip to the CRT/v
Take Apart CRT/Video Board - 42 10 Disconnect the black connector near the ferrite ring.11 Bend the wire of the ferrite ring holder to release the f
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