CD "No Disc" errors, laser degradation, and volume knob sensitivity. Manual & Schematic Resources
The RD3-01 is a multi-brand platform shared by manufacturers like under the PU-2471A or PU-2472 series. siemens vdo rd3 01 service manual full
Automatic aerial / Remote amplifier turn-on signal (+12V output) Pin 6: Switched +12V ignition illumination feed Pin 7: Switched +12V ignition accessory power Pin 8: Ground (GND / Chassis Chassis negative) Block B: Speaker Outputs Pins 1 & 2: Rear Right Speaker (+ / -) Pins 3 & 4: Front Right Speaker (+ / -) Pins 5 & 6: Front Left Speaker (+ / -) Pins 7 & 8: Rear Left Speaker (+ / -) Block C: CD Changer Interface (Blue Mini-ISO) Pin 13: CD Changer Data Bus line Pin 14: CD Changer Data Clock line Pin 15: CD Changer Permanent Power Supply Pin 16: CD Changer Switched Power Supply Pin 17: CD Changer Audio Shield/Ground Pin 18: CD Changer Audio In - Left Channel Pin 19: CD Changer Audio In - Right Channel Pin 20: CD Changer Audio Common Ground Step-by-Step Disassembly Guide CD "No Disc" errors, laser degradation, and volume