The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
Text excerpt from page 5 (click to view)
PRACTICAL SERVICE FIGURE
< AM SECTION >
Sensitivity: (S/N 10dB) Distortion: Intermediate frequency: Less than 49dB (at 600kHz) Less than 47dB (at 1000kHz) Less than 46dB (at 1400kHz) Less than 3% (at 1000kHz) 450kHz
< FM SECTION >
Sensitivity: (THD 3%) Distortion: (Input 60dB) Intermediate frequency: Less than 16dB (at 88, 98, 100MHz) Less than 2% (at 98MHz) 10.7MHz