190-00858-11
GMA 35/35c Installation Manual
Rev. H
Page 4-10
4.6 Music Inputs
Music 1 and Music 2 are both differential inputs. It should not be necessary to use ground loop isolators
and/or transformers to reduce alternator noise.
4.7 Mic Keys
Table 4-14. Music Inputs
Pin Name
Connector
Pin
I/O
MUSIC 1 IN LEFT
P3502
23
In
MUSIC 1 IN RIGHT
P3502
24
In
MUSIC 1 IN LO
P3502
25
In
MUSIC 2 IN LEFT
P3502
26
In
MUSIC 2 IN RIGHT
P3502
27
In
MUSIC 2 IN LO
P3502
28
In
Table 4-15. Mic Keys
Pin Name
Connector
Pin
I/O
COM 1 MIC KEY* OUT
P3501
12
Out
COM 2 MIC KEY* OUT
P3501
30
Out
COM 3 MIC KEY* OUT
P3501
6
Out
PILOT MIC KEY* IN
P3501
34
In
COPILOT MIC KEY* IN
P3502
33
In
