Editing Apple ColorSync Display 17 (section)

== Hardware ==
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.<ref name="ta">''17" ColorSync Displays'' Service Source, Take Apart, pp. 1-69 (PDF pp. 57-125).</ref> 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.<ref name="ev">''17" ColorSync Displays'' Service Source, Exploded View (PDF p. 156).</ref>

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.<ref name="hot">''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).</ref> From January 1998 the non-AV 17-inch model used TCO 95 plastics, marked on the rear housing, which are replaced like for like.<ref name="tco">''17" ColorSync Displays'' Service Source, Basics, Repair Issue: TCO 95 Housing, p. 7 (PDF p. 16).</ref>

Two thin horizontal lines across the picture are the support wires of the Trinitron aperture grille, not a fault.<ref name="misc">''17" ColorSync Displays'' Service Source, Troubleshooting, Symptom Charts: Miscellaneous, p. 10 (PDF p. 45), and First Checklist, pp. 2-3 (PDF pp. 37-38).</ref>