7
Eng
lish
Step 3. Adjust the speaker/amplifier volume control (on the speaker
circuit board) for a convenient listening level heard clearly
throughout the vehicle. The adjustment can also be used to lower
minimum loudness if the installation requires it.
4. Schematics
NTN9277A Speaker Board Detail
A+
AUD_IN
AUD_OUT
VIEWED FROM TOP SIDE
BLK_WHT
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C12
C14
C15
GND
R1
1
2
3
R2
R3
R4
R5
R6
R7
SHEILD
SPKR
SPKR_BLK_WHT
5
4
3
1
2
U1
MAEPF-26869-O
6871239M01_En.fm Page 7 Friday, February 2, 2007 5:20 PM