Apple High-Res Service Source: Difference between revisions
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Fix wrong claims: the manual does give the fuse rating (250 V 2 A) and part numbers in the exploded view; drop unsourced M0400/M1050 model numbers; add Apple's other specs; link newly hosted 1987 Technical Procedures |
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< | The '''Apple High-Resolution Monochrome Monitor''' volume of Apple's ''Service Source'' is a 73-page service manual for Apple's 12-inch High-Res Monochrome Monitor, a black-and-white display for the Macintosh II.<ref name="hrtp">Apple Computer, ''High-Res Monochrome Monitor Technical Procedures'', from ''Apple Service Technical Procedures, Volume Six'', hosted as [[:File:Apple High-Res Monochrome Monitor Technical Procedures.pdf]]. Section 1, Basics, p. 1.2: "a 12-inch monitor that provides a high-resolution black and white display for the Macintosh II". Take-Apart, p. 2.13: correct fuse 250 V, 2 A.</ref> The PDF was created on 28 November 1995. | ||
== Specifications as printed == | |||
<templatestyles src="Template:StyledTable/styles.css" /> | |||
{| class="wikitable styled-table" | |||
|- | |||
! Item !! Value | |||
|- | |||
| Picture tube || 12 in diagonal; phosphor EIA type P4 (white); flat, antiglare surface | |||
|- | |||
| Screen resolution || 640 × 480, 76 dpi | |||
|- | |||
| Active display area || 8.38 × 6.3 in (213 × 160 mm) | |||
|- | |||
| Scan rates || Vertical refresh 66.7 Hz; horizontal 35.0 kHz | |||
|- | |||
| Input signal || Analogue video, RS-343 | |||
|- | |||
| User controls || Rear panel power switch; brightness and contrast on the right side | |||
|- | |||
| Power supply || Universal, 85-270 VAC, 50-60 Hz, 40 W maximum | |||
|- | |||
| Size and weight || 10 in (254 mm) H × 12.2 in (310 mm) W × 14.4 in (365 mm) D; 17 lb (7.7 kg) | |||
|- | |||
| Operating environment || 10-40 °C; 90% humidity maximum, non-condensing; 10,000 ft (3,048 m) maximum | |||
|- | |||
| Fuse || 2 A, 250 V (Apple part 740-0305) | |||
|} | |||
== Contents == | |||
* Specifications: Characteristics, Controls, Physical and Electrical, Operating Environment (PDF pp. 2-7) | |||
* Troubleshooting: General, and symptom charts for No Raster, Geometry, Synchronization, Video and Miscellaneous (PDF pp. 8-14) | |||
* Take Apart: Rear Cover, Main Board, Power Supply, Fuse, Contrast Control Board, Video Board C, CRT, LED Cable Assembly, Power Switch (PDF pp. 15-49). The fuse procedure gives the rating as 250 V, 2 A. | |||
* Adjustments: Geometry, Focus, Video, Light Meter Setup (PDF pp. 50-71) | |||
* Exploded View, with Apple part numbers (PDF pp. 72-73) | |||
{| class="wikitable styled-table" style="width:70%;" | |||
|+'''Part numbers from the exploded view''' | |||
! Part number !! Description | |||
|- | |||
| 076-0246 || CRT assembly | |||
|- | |||
| 981-0007 || Video board "C" | |||
|- | |||
| 948-0031 || Video board "C" case cover | |||
|- | |||
| 661-0396 || Main board | |||
|- | |||
| 661-0395 || Power supply | |||
|- | |||
| 740-0305 || Fuse, 2 A / 250 V | |||
|- | |||
| 933-0014 || I/O connector board | |||
|- | |||
| 905-0004 || Contrast control board | |||
|- | |||
| 590-0440 || LED and cable assembly | |||
|- | |||
| 590-0441 || Cable, logic to power supply | |||
|- | |||
| 590-0442 || Cable, logic to control panel | |||
|- | |||
| 937-0038 || On/off switch | |||
|- | |||
| 949-0116 || Bezel | |||
|- | |||
| 949-0117 || Rear cover | |||
|- | |||
| 949-0119 || Adjustment panel cover | |||
|- | |||
| 949-0118 || Stand attachment | |||
|} | |||
== What this manual does not contain == | |||
No schematic and no component values. The Adjustments chapter covers geometry, focus and video; it prints no supply-rail voltages or tolerances. | |||
Apple's earlier ''High-Res Monochrome Monitor Technical Procedures'' (May-June 1987) is also hosted, as [[:File:Apple High-Res Monochrome Monitor Technical Procedures.pdf]]. It adds CRT safety and live-adjustment rules, CRT disposal, the AC inlet replacement, a separate illustrated parts list, and Apple's instruction not to touch the factory-set yoke, tilt, ring or geometry adjustments.<ref name="hrtp" /> | |||
A CRT holds a lethal charge on the anode after the mains is removed. Follow the [[CRT Discharge Procedure]] before working inside one; Apple's Take Apart procedures carry the same warning. | |||
== Pages that cite this document == | |||
* [[Macintosh 12 Monochrome Service Source]]: the 12-inch monochrome display, a different design with the same tube size. | |||
<pdf> File:Highres monochrome monitor.pdf </pdf> | |||
Download: [[:File:Highres monochrome monitor.pdf|Highres monochrome monitor.pdf]] | |||
== References == | |||
<references /> | |||
[[Category:Service Manuals]] | [[Category:Service Manuals]] | ||
[[Category:Apple Vintage Computers]] | [[Category:Apple Vintage Computers]] | ||
[[Category:Apple Service Source]] | [[Category:Apple Service Source]] | ||
Latest revision as of 13:08, 30 September 2026
The Apple High-Resolution Monochrome Monitor volume of Apple's Service Source is a 73-page service manual for Apple's 12-inch High-Res Monochrome Monitor, a black-and-white display for the Macintosh II.[1] The PDF was created on 28 November 1995.
Specifications as printed
[edit | edit source]| Item | Value |
|---|---|
| Picture tube | 12 in diagonal; phosphor EIA type P4 (white); flat, antiglare surface |
| Screen resolution | 640 × 480, 76 dpi |
| Active display area | 8.38 × 6.3 in (213 × 160 mm) |
| Scan rates | Vertical refresh 66.7 Hz; horizontal 35.0 kHz |
| Input signal | Analogue video, RS-343 |
| User controls | Rear panel power switch; brightness and contrast on the right side |
| Power supply | Universal, 85-270 VAC, 50-60 Hz, 40 W maximum |
| Size and weight | 10 in (254 mm) H × 12.2 in (310 mm) W × 14.4 in (365 mm) D; 17 lb (7.7 kg) |
| Operating environment | 10-40 °C; 90% humidity maximum, non-condensing; 10,000 ft (3,048 m) maximum |
| Fuse | 2 A, 250 V (Apple part 740-0305) |
Contents
[edit | edit source]- Specifications: Characteristics, Controls, Physical and Electrical, Operating Environment (PDF pp. 2-7)
- Troubleshooting: General, and symptom charts for No Raster, Geometry, Synchronization, Video and Miscellaneous (PDF pp. 8-14)
- Take Apart: Rear Cover, Main Board, Power Supply, Fuse, Contrast Control Board, Video Board C, CRT, LED Cable Assembly, Power Switch (PDF pp. 15-49). The fuse procedure gives the rating as 250 V, 2 A.
- Adjustments: Geometry, Focus, Video, Light Meter Setup (PDF pp. 50-71)
- Exploded View, with Apple part numbers (PDF pp. 72-73)
| Part number | Description |
|---|---|
| 076-0246 | CRT assembly |
| 981-0007 | Video board "C" |
| 948-0031 | Video board "C" case cover |
| 661-0396 | Main board |
| 661-0395 | Power supply |
| 740-0305 | Fuse, 2 A / 250 V |
| 933-0014 | I/O connector board |
| 905-0004 | Contrast control board |
| 590-0440 | LED and cable assembly |
| 590-0441 | Cable, logic to power supply |
| 590-0442 | Cable, logic to control panel |
| 937-0038 | On/off switch |
| 949-0116 | Bezel |
| 949-0117 | Rear cover |
| 949-0119 | Adjustment panel cover |
| 949-0118 | Stand attachment |
What this manual does not contain
[edit | edit source]No schematic and no component values. The Adjustments chapter covers geometry, focus and video; it prints no supply-rail voltages or tolerances.
Apple's earlier High-Res Monochrome Monitor Technical Procedures (May-June 1987) is also hosted, as File:Apple High-Res Monochrome Monitor Technical Procedures.pdf. It adds CRT safety and live-adjustment rules, CRT disposal, the AC inlet replacement, a separate illustrated parts list, and Apple's instruction not to touch the factory-set yoke, tilt, ring or geometry adjustments.[1]
A CRT holds a lethal charge on the anode after the mains is removed. Follow the CRT Discharge Procedure before working inside one; Apple's Take Apart procedures carry the same warning.
Pages that cite this document
[edit | edit source]- Macintosh 12 Monochrome Service Source: the 12-inch monochrome display, a different design with the same tube size.
Download: Highres monochrome monitor.pdf
References
[edit | edit source]- ↑ 1.0 1.1 Apple Computer, High-Res Monochrome Monitor Technical Procedures, from Apple Service Technical Procedures, Volume Six, hosted as File:Apple High-Res Monochrome Monitor Technical Procedures.pdf. Section 1, Basics, p. 1.2: "a 12-inch monitor that provides a high-resolution black and white display for the Macintosh II". Take-Apart, p. 2.13: correct fuse 250 V, 2 A.