27
AVIC-W8400NEX/XNUC
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Message:
Positioning is not possible due to the hardware.
Please contact your dealer or Pioneer Service Center.
Communication line between CHIPS B COMP Unit and SOC Unit
Message:
Speed pulse disconnected.
Calibration will start, but may be inaccurate without speed pulse.
Speed pulse circuit
IC9651
uCOM
R9512
R9513
R9671
GPS3.3
R9674
R9825
UART CHIPS <- SOC
UART CHIPS -> SOC
R7512
R7511
IC7501
FPGA
R9502
CCD3.3
IC9651
uCOM
SPEED
PULSE
R9518
0
10k
SENSOR
SPEED PULSE
10k
100
0
0
470
470
0
ACC5
*C114
0.1u/16
*C119
0.1u/10
*C116
NM
*C115
0.01u/16
*C118
1000p/50
*C117
0.1u/16
*D116
DA2J101
*D118
DA2J101
*D117
NM
GNDD
GNDD
GNDD
*IC103
NJM12904V
3
4
GND
2
1
8
VCC
*IC103
NJM12904V
5
6
7
LTC014EEB
*Q110
LTC014EEB
*Q111
*R143
2k
*R149
51k
*R151
56k
*R147
51k
*R141
51k
*R158
100k
*R142
8.2k
*R138
0
1608
*R152
100k
*R145
560k
R139
*
33k
*R146
1k
*R144
1k
*R140
20k
*R150
47k
*R148
100k
SPD
*PCHANG
*SPEED
SPEED
SERVICE IF UNIT
CHIPS B COMP UNIT
CHIPS B COMP UNIT
SERVICE
IF UNIT
AV UNIT
SOC UNIT