LASER DISC RF DEMODULATORDEM-9991DSERVICE MANUAL© 1998-2/B51-5412-00 (K/K) 3728POWER RFLOCKLASER DISC RF DEMODULATOR DEM-9991DOFF OPT. COAX.EXTERNAL DC SUPPLY DC 12VDIGITAL OUTPUTCOAX.DIGITAL INPUTRF INPUTCOAX.DC INOPT.AC-3 RFChassis *(A10-)Indicator(B08-9063-04)Slide switch(S62-0008-05)DC jack(E30-0315-05)Rear panel(A80-3383-04) Optic receiving module(W02-1181-05)Phono jack(E63-1035-05)Panel(A60-1377-04)* Refer to parts list on page 8.

Kenwood DEM-9991D Service Manual