nice completed SERVICE MANUAL as the description THANK YOU !!!-
Text excerpt from page 6 (click to view)
KRC-478R/RV/RY/RYV
TEST MODE
1. How to enter the test mode � Reset the unit while holding the �FM� key and preset �6� key. � All indication segments go ON at the beginning of the test mode. 2. How to check the test mode � Cancel the blank skip (B.S). � Push the �ATT� key. � The eject function works. 3. How to release the test mode � Simply reset the unit. � (NOTE) The test mode is not canceled by ACC OFF, power OFF, momentary power down or the panel off. 4. Audio adjustment � Set the volume level to -10dB (which is shown as �30� on the display). � Loudness OFF. � The BASS/TREBLE and BALANCE/FADER can be set to the full-boost/full-cut and full-front/full-rear each by pressing the �Track UP� / �Track DOWN� keys. � Sound coordination doesn't appear for the feed.
