The service manual is as described and received the link to the download sooner than expected. Great service, quality product. This site is a big help in the electronics repair business.
Il service manual molto accurato. Rapidi nella risposta
Text excerpt from page 14 (click to view)
IC DESCRIPTION-1/3 (CXA2523AR)-2/2
Pin No. 42 43 44 45 46 47 48 Pin Name COMPP ADDC OPO OPN RFO MORFI MORFO I/O I I/O O I O I O Description User comparator non-inverted input pin. Capacitor connection pin for ADIP amplifier on return circuit. Not used. Non-inverted input pin for user operational amplifier. RF amplifier output pin. Check point for eye pattern. Input pin where Groove RF signal is AC coupled. Output pin for Groove RF signal.