Bizarre Alpine 9830 problem


New member
Username: Vjd3

Post Number: 1
Registered: Sep-04
I just installed an Alpine 9830 head unit . The head unit is connected to a power amp only via RCA cables -- no speakers directly wired to it. The radio will play fine through the power amp, no problem, and the unit will load and play a CD, but not output anything through the RCA outputs. If I connect a speaker to the radio harness, the CD becomes audible. I swapped with another Alpine 9830 and had the same problem ... CD audio is output to the speaker wires but not the RCA outputs. Any ideas?


try the settings menu and go to power ic that is the internal amp of the headunit you want it off if you are running another amp

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 4621
Registered: Dec-03
easy fix.
wire the amplifier's remote trigger line to the REM wire, not the PWR ANT wire.
power antenna only sends +12V when the radio is on. :-)
REM sends +12V whenever the head unit is powerd on, regardless of source.
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