Panel Unit; Keyboard Unit - Pioneer DEH-P440 Service Manual

B.U
ER
TX
1
2 RX
P
IPPW
M
R
100
72
PEE
MUTE
37 mute
mute
16
X1
X610
SYSTEM
X2
CONTROLLER
15
IC 601(2/2)
PE5246A
81
TEMP
VCC
TH601
21
SYSPW
SYSPW
20
77
CN750
Q751
B.U
ILB+
7
Q753
CSENS
4
EJECT
8
VDD
FILM+
B.U 5
S750
SW5V
10
Q750
DETACH
ENSE SW
9
FILM–
6
DPDT
11
KYDT
14
ROT1
12
ROT0
13
BL+B
2
5
RESET
VDD
1 2
IC 603
S-80834ANY
11
adpw
AVREF
SYSTEM
DALMON
CONTROLLER
bsens
IC 601(1/2)
PE5246A
asens
isens
32
pce@
38
SD
39
st
50
LOCL
51
LOCH
74
SL
97
PCK
98
PDO
99
PCE1
71
ASENBO
86 85 24
ELECTRONIC VOLUME/
SOURCE SELECTOR
41
TUN L
Fout L
IC 301
44
BUS+L
Rout L
P440:PML009A
42
CD L P4400,P44:PML008A
MUTE
20
Q362
Q911
Q910
B.U
Q918
SYSPW
Q912
B

PANEL UNIT

CN1901
CN1951
CN1950
IL+B
7 4 9
EJECT SW
S1950
CSENS
4 3 10
µGND
8 6 7
5
SW5V
10 5 8
9
6
DPDT
11 10 3
KYDT
14 8 5
S1922
RDT1
12 7 6
RDT0
13 9 4
BL+B
2 2 11
5
6
Q913
VDD
1
6
VDD
Q909
5
Q610
22
83
10
93
92
8
14
10
12
11
Q361
REMOTE CONTROL
SENSOR
1
IC 1902
OPT IN
3
RS-140
23 10
9
DPDT
8
LCD DRIVER
KYDT
3
X0
IC 1903
PD6294A
X1901
X1
2
Q1905 DIMMER
7
DEH-P440/XN/UC
6
7
B.U
B.U
Q914
B.U
Q915
Q917
POWER AMP
3
RL–
FLIN
5
RL+
IC 361
RLIN
23
PAL007A
FL–
21
FL+
MUTE STBY B.REM
22 4 25
SYSPW
VCC
Q341
Q359
C

KEYBOARD UNIT

KEY MATRIX
KEY DATA
LCD
LCD DATA
7
8
CN901
BACK UP
BACK UP
15
15
GND GND
16
16
ACC ACC
13 13
ILM ILM
11
11
RL–
RL–
7
7
RL+
RL+
5
5
FL–
FL–
8
8
FL+
FL+
6
6
B.REM
B.REM
12
12
FRONT
CN331
1
2
CN351
Lch
REAR/SW
Q351
13
8
A
B
C
D