2008 Opel CD30 MP3 Radio Cube: AUX Input Connection, Pin Location & TECH2 Activation

The discussion focuses on the 2008 Opel CD30 MP3 Radio Cube, specifically regarding the AUX input connection and pin wiring after activation via TECH2. The radio's AUX function is enabled but lacks physical pin wiring for AUX input. A key resource is a sticker on the radio detailing pin assignments, though some users lack this sticker. The TEL MUTE pin is explained as a mute control triggered by the hands-free telephone system. Queries about pins labeled DAB, EL, RSA, SUB, and Ph reveal that the CDC40 model with DAB tuner option does not support AUX input; these pins relate to Twin Audio connections, center speaker signals, subwoofer control, and telephone unit connections. Attempts to connect AUX via these pins were unsuccessful. A user references a previous solution for a CDR2005 radio involving a LINE-IN modification but notes the CD30 MP3 lacks a mini-jack socket under the climate control panel, complicating AUX integration. Suggestions include examining radio schematics and considering soldering audio signals directly on specific components (C1503, C1509, C1504) for left, right, and ground channels. Overall, the CD30 MP3 radio does not have a straightforward AUX input pinout, and modifications require detailed technical knowledge and possibly hardware alterations.
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