This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
Great quality copy, right what I was looking for, all I need to fix my radio.
Thanks
Text excerpt from page 22 (click to view)
8-7. Division of DISPLAY, KEY SCAN
from MICOM #3-#7 GHID signal is generated for 10 sec with the period of 2 sec HIGH signal and for the lighting the corresponding LED, the CONTROL terminal of MICOM PIN #8-#11 output the output signal which is coincident with GRID signal. Meanwhile by pushing the KEY which is connected by respective GRID, corresponding signal is inputted to MICOM.