1. Complete part list showing all resistors, capacitors and semiconductors keyed to the photos showing their specific location on the PC board or chassis. A total of 21 pages in PDF.

2. Full color, high resolution photos of the chassis and each PC board (excluding PTO) with each part identified. Sized to print out on 8.5" x 11" pages, or may be enlarged on screen for a closer look.  A total of 26 photos in PDF.

3. Optional Noise Blanker board parts list and photos are included.

4. R-4C Data based on Version 11017625900 or [11/01/76 s/n 25900 +]  Three additional schematics only (16151, 18726 and 21000) for earlier versions are included.

5. T-4XC Data based on Version 10077626670 or [10/07/76 s/n 26670 +]  One additional schematic only (20181) for the earlier version is included.

6. Full high-resolution PDFs of Original Manuals for the R-4C and T-4XC. A total of 88 pages in PDF.

7. Miscellaneous additional files, Errata sheets and Alignment pages.

All files are in Adobe Portable Document Format, and are readable on Windows and most non-Windows platforms, (including MAC OS 9 and OS X,) with the appropriate free reader from Adobe.

Every effort has been made to ensure the accuracy of the drawings and text included on this CD. Corrections and/or suggestions for additions are welcome.