Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
Text excerpt from page 50 (click to view)
CHAPTER 1. GENERAL DESCRIPTION
3) With the edge of the SIMM in the slot, roll the SIMM to the left until the hooks [3] at both ends of the slot click into the holes at both ends of the SIMM.
C. SIMM Removal
1) Using the installation tools supplied with the printer, remove the 4 screws [1] and the cover plate [2].
[2]
[3]
[1]
Figure 1-503 Figure 1-504 4) Attach the cover plate [2] and tighten the 4 screws [1]. 2) Gently pull back the two hooks [3] at each end of the SIMM. Roll the SIMM to REFERENCE � When only one SIMM is used, it must be installed in the left slot (SIM601). � When adding two SIMMs, it is easiest to install the first one into the left slot (SIM601).
[3]
the right and remove it.
Figure 1-505 3) Attach the cover plate [2] and tighten the 4 screws [1].
