: Tap the [SRC] button repeatedly to cycle through Radio (FM/AM), CD, and AUX modes.
If your unit has an 8-pin secondary connector, it is for RCA pre-outs (Front L/R, Rear L/R, Subwoofer). Clarion Px-3994a-a Manual
: Many OEM units require a Radio Code if the battery is disconnected. This code is typically found on a card in the glovebox or provided by the dealership. Wiring and Installation Safety : Tap the [SRC] button repeatedly to cycle
for radio band selection, and a rotary knob for volume and menu confirmation. www.clarion.com Wiring & Installation Basics This code is typically found on a card
| Ref Des | Description | Possible Cross / Source | |---------|-------------|--------------------------| | IC101 | LA9241 (servo) | Donor board only | | IC102 | M66011FP motor driver | Mouser: 755-M66011FP | | IC301 | BA05T 5V reg | DigiKey: 511-L78L05ACZ | | VR101,2,3 | 10kΩ trimmer (SMD 3mm) | Bourns 3214W-1-103E | | CN1 | 12-pin 0.5mm FFC connector | Molex 52559-1252 | | Lens assy | Optical pickup unit (SF-P101N) | AliExpress (used) |