Schematic Diagram; Tuner Amp Unit (Vehicle I/F Part) - Pioneer MVH-280FD Service Manual

10. SCHEMATIC DIAGRAM

Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A
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TUNER AMP UNIT (VEHICLE I/F PART)

A
11/11
ASENS
A
5/11
1 1
GND
SCREW HOLD
A
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FL+
FR+
FL-
FR-
RL+
RR+
RL-
RR-
TELIN VDD3.3V
*R112
*Q111
LSAR523UB
*R111
1k
ONLY A
B.REM&A.ANT
BUP14.4V BUP_IN
L101
CTH1620-A
GND
FL+
FR+
FL-
FR-
RL+
RR+
RL-
RR-
ASENS
*R109
R106 *D106
10k
3216
GND
Ref:106-110
22k
TEL MUTE
*D111
*R113 *L111
BTH1101-
15k
DAN202UM
GND
Ref:111-115
BREM
B.REM
NM
D116
C116
NM
Ref:116-120
GND
GND
MODEL
A MVH-280FD/XNEW5
B MVH-X285FD/XNES
B.UP3
GND_1
JA101
Ref:101-105 CKM1648-A
FL1
FR1
FL2
FR2
RL1
RR1
RL2
RR2
TELIN
ACC
BREM1
B.UP1
B.UP2
*ASENS
REF A B
D106 DZ2J075M0 DZ2J068M0
R108 33k 6.8k
R109 1.2k 1k
VEHICLE I/F
The mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
1 FL+
FR+
2
FL-
3
4 FR-
5 RL+
6 RR+
RL-
7
8 RR-
9 TEL
10
NC
11
12
ACC
13
14 BREM
B.UP
15
16 GND
17
(15A)
18
>
FUSE
CEK1357
A
FM:+24.0 dBs
AM:+24.0 dBs
AUX:+36.2 dBs
B
FM:+20.0 dBs
AM:+20.0 dBs
AUX:+36.2 dBs
A
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