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Apple ColorSync Display 17

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The Apple ColorSync 17" Display is the name Apple gave in November 1997 to its 17-inch AppleVision 750 Display, which Apple's August 1997 Apple Facts describes as replacing the AppleVision 1710;[1] the AppleVision 750AV, with a sound enclosure, became the ColorSync 17" AV Display. Apple's service manual says the name was the only change.[2] It uses a 17-inch Sony Trinitron tube with a 16.1-inch viewable image and is set up from the Mac through Apple's AppleVision (later Apple Display) software over ADB.[3][4]

Apple ColorSync 17" Display
AppleVision 750 Display, renamed ColorSync 17" Display in November 1997
Manufacturer Apple Computer
Type 17-inch Trinitron colour monitor
Interface RGB with separate sync on a 15-pin miniature D-type cable with ADB; PC video adapter supplied
Model M5238LL/A (AppleVision 750); M5239LL/A (AppleVision 750AV); M6159LL/A (ColorSync 17", 1998 data sheet)
Power 100-120 and 220-240 V AC, 50-60 Hz; 130 W (750) or 190 W (750AV) maximum

The anode runs at about 26 kV.[5] Read CRT Discharge Procedure before opening the display.

Specifications

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AppleVision 750 and 750AV specifications (Service Source)[4]
Item Value
Picture tube 17 in Trinitron, 16.1 in viewable; 0.26 mm stripe pitch; antistatic and antiglare treatment
Preset resolutions 640 × 480 at 60 and 66.67 Hz; 800 × 600 at 60.31 and 75 Hz; 832 × 624 at 74.55 Hz; 1024 × 768 at 60 and 74.93 Hz; 1152 × 870 at 75 Hz; 1280 × 1024 at 60 and 75.03 Hz
Scan rates Vertical 40-120 Hz; horizontal 30-80 kHz
Ports Two ADB pass-through ports; 750AV also headphone/speaker output and microphone input
Speakers (750AV) Stereo, bass reflex; 92 dB SPL at 1 kHz at 0.5 m; 70 Hz-20 kHz ±6 dB
Degauss Automatic at power-on; manual by switching off and on
Mains 100-120 and 220-240 V AC, 50-60 Hz
Power 750: 130 W maximum; 750AV: 190 W maximum
Size and weight (750) 425 × 410 × 455 mm; 22.5 kg (50 lb)
Size and weight (750AV) 485 × 410 × 485 mm; 27 kg (60 lb)
Operating environment 10-40 °C; 20-80 % humidity, non-condensing; up to 3,048 m

Apple's own data sheets differ from the Service Source. The November 1997 AppleVision 750 sheet gives a 0.25 mm aperture grille pitch, 90-264 V AC, 125 W maximum (under 60 W in standby), 30-82 kHz horizontal and 22.2 kg.[3] The May 1998 ColorSync Displays sheet bound into the Service Source gives 90-264 V, 125 W and order number M6159LL/A for the 17-inch model.[6] Check the rating plate on the unit.

Hardware

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The main modules are the main deflection board (with its chassis), the CRT/video board on the tube neck, an intermediate board and the on-screen display switch board, plus an ADB board on the 750 or a sound enclosure with its own sound board on the 750AV.[7] Apple's exploded view lists the CRT/video board as 661-1373, the main deflection board with chassis as 661-1374, the intermediate board 922-3138, the sound board 922-3158, the on-screen display switch board 922-1511 and the ADB/video cable 922-2023.[8]

The display's setup parameters live on the CRT/video board. Before that board is changed they are downloaded to a file with Apple's Display Service Utility, using jumper kit 076-0529 on connector BV1, and written to the new board afterwards. High voltage can only be adjusted through the utility.[9] From January 1998 the non-AV 17-inch model used TCO 95 plastics, marked on the rear housing, which are replaced like for like.[10]

Two thin horizontal lines across the picture are the support wires of the Trinitron aperture grille, not a fault.[11]

Known faults

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Apple's Hot Issues record jittery video with the Power Macintosh 5500 (serial numbers TY705 to TY715) and 6500 (XB708 to XB718) and blurry video on the 6500 (XB708 to XB723) as computer faults, and say the 6500 should not be set above 1152 × 870. A black screen after a restart is cleared by switching the display off and on.[9][12] See Apple ColorSync Display 17 Troubleshooting Guide.

Apple's service documents give no schematic or component values for this display.

Documentation

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References

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  1. ↑ Apple Computer, Apple Facts 8.97, August 1997, AppleVision 750 Display entry (p. 112). archive.org scan.
  2. ↑ Apple Computer, 17" ColorSync Displays (Service Source), 156 pp., Basics, Product Name Change, p. 1 (PDF p. 10). Hosted here: File:colorsync_17_displays.pdf (see 17" ColorSync Displays Service Source).
  3. ↑ 3.0 3.1 Apple Computer, Apple ColorSync Display (also known as AppleVision 750) data sheet, November 1997, L02474B. Hosted here: File:AppleVision 750 Display Data Sheet 1997.pdf.
  4. ↑ 4.0 4.1 17" ColorSync Displays Service Source, Specifications, pp. 2-15 (PDF pp. 19-32).
  5. ↑ 17" ColorSync Displays Service Source, Troubleshooting, Checking High Voltage, p. 17 (PDF p. 52).
  6. ↑ 17" ColorSync Displays Service Source, Apple ColorSync Displays data sheet, May 1998, L02722C (PDF pp. 33-34).
  7. ↑ 17" ColorSync Displays Service Source, Take Apart, pp. 1-69 (PDF pp. 57-125).
  8. ↑ 17" ColorSync Displays Service Source, Exploded View (PDF p. 156).
  9. ↑ 9.0 9.1 17" ColorSync Displays Service Source, Hot Issues, pp. 1-6 (PDF pp. 3-8), and Basics, Repair Issue: Display Service Utility, pp. 4-6 (PDF pp. 13-15).
  10. ↑ 17" ColorSync Displays Service Source, Basics, Repair Issue: TCO 95 Housing, p. 7 (PDF p. 16).
  11. ↑ 17" ColorSync Displays Service Source, Troubleshooting, Symptom Charts: Miscellaneous, p. 10 (PDF p. 45), and First Checklist, pp. 2-3 (PDF pp. 37-38).
  12. ↑ 17" ColorSync Displays Service Source, Troubleshooting, Symptom Charts, pp. 4-10 (PDF pp. 39-45).


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