nvr4d
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My mod was successful, now I have RCA preouts working on my head unit. As far as I can judge with my mini monitors, sound is rather good. It was more in-depth modification than I initially expected. Pioneer didn't mount FFC AV connectors, so I had to solder thin wires straight to the connector pads. Some SMD components were also missing. Working on the instruction now.
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Ok. Looks like I've posted to wrong forum, but anyway If anyone cares, could you please move this thread to F-series hacks/mods? I have disassembled my AV head unit, re-read the service manual and now it seems I know what's the issue. F-840BT is missing 20-pin FFC cable from AV board to IF-PCB. This cable carries majority of audio and video signals, the only exception is the backup camera. The fuse connecting the Preouts Ground to AV-units ground plane was also not soldered. I'm going to buy the 20-pin cable and if everything goes well, will create a video documenting the modificat
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Hi guys, glad to join your community. I'm pretty new to Pioneer head units and Car Audio in general (was mostly working with stationery Hi-Fi before). So I've got the AVIC-F840BT head unit with only the power cable attached. After reading the service and installation manuals for x40 series, I still have a question - is it possible to get front, rear and subwoofer pre-outs from F840BT unit with cable like CDP-1375 (http://www.amazon.com/ASSEMBLY-Pioneer-Audio-Harness-CDP1375/dp/B0087U7XVO ), or they are simply not connected there? Thanks in advance!