Pioneer AVIC-F90BT/XS/UC Service Manual page 54

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QQ
3 7 63 1515 0
The following checks shall be conducted using the following measurement circuits with GNDAU1 being the reference.
47 kohm
A
LO GNDAU1
Check point 1 (stylus)
LO
RO
B
Fig 10.4: Analog audio out (LO, RO) specification value.
Side A
C
TE
L 13942296513
D
Fig 10.5: Analog audio out check point
E
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47 kohm
RO
Specification value (rms)
1 400 ± 150 mV
1 400 ± 150 mV
Specification value is the root-mean-square value (rms).
x ao
y
. i
AVIC-F90BT/XS/UC
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Reference waveform
Waveform 4
Waveform 4
Q Q
3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
LO
RO
GNDAU1
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9