A good manual. Had everything i needed to make the repair.
Text excerpt from page 7 (click to view)
KDC-315S/V/415S 4015/4016/CG TERMINAL DESCRIPTION / ADJUSTMENT
Pin No. 76 77 78 79 80 Pin Name SMETER PHONE NOISE TYPE0 TYPE1 I/O I I I I I Description S-meter input from the tuner pack PHONE detection input Noise detection input Destination type input terminal 0 Destination type input terminal 1 1V or less: TEL MUTE,2.5V or greater: NAVI MUTE Processing Operation
TEST MODE 1. To enter test mode While holding the âFMâ key and preset â6â key ,reset the unit. All indication segments are ON at the beginning of test mode. 2. To release test mode Simply reset the unit. (NOTE) The test mode is not canceled by ACC OFF ,power OFF ,momentary power down or the panel detaching. 3. CD receiver test mode specification Pressing the âTrack upâ key jumps between tracks in the following order. No.9 No.15 No.10 No.11 No.12 No.13 No.14 No.9 (Same as the beginning) Pressing the âTrack downâ key jumps to the previous track to the being played. Pressing the preset â1â key jumps to No.28 track. 4. Audio adjustment The volume is set to -10dB (which is shown as 30). Loudness is OFF. The BASS / TREBLE and BALANCE / FADER controls can be set to the full boost / full cut and full front / full rear respectively by pressing the âTrack UPâ / âTrack DOWNâ keys. Sound coordination doesnât appear for the feed.