Pioneer DEH-P640 XN/UC Service Manual page 15

5
RESET
1
IC 961
S-80735ANDZI
12
SYSTEM CONTROLLER
IC 601(1/2)
PD5699A
95
NL1
50
SD
97
SL
72
TUNPCE
2
TUNPCK
71
TUNPCE2
1
TUNPDO
82
ASENBO
30 29 81
DEH-P640/XN/UC
ELECTRONIC VOLUME/
DEH-P6400/XN/UC
SOURCE SELECTOR
N L 42
DEH-P6450/XN/ES
IN3-L
12
43 PL
IN4+L
IC 203
44 10
IN4-L
FL
11
RL
41
IN2-L
SEL_OUT_L
1
VST,VCK,VDT
VEL INDICATOR IC 132
B.U
7 5
NJM4558MD
1
DEH-P6400/XN/UC,
DEH-P6450/XN/ES
IC 631
PDH0047A
B
CN801
S1850
8 8
EJECT
Q803
ILB
BU
7 9
7 4
Q804
Q802
SWDVDD
2 2 11
BU 2
Q801
DPDT
11 3
11 10
S801
DSENS
2 KYDT
14 14 8 5
FU
1
OELB
10 10 5 8
CN1851
CN1850
5
6
2
RL
VDD
PL
FL
73
BSENS
74
ASENS
83
ISENS
10
TELIN
IC203
PML009A
PML008A
PML008A
MUTE
Q982
MUTE
Q301
PANEL UNIT
CN1901
ILB
3.3V REGULATOR
IC 1904
SWVDD
5 1
S-818A33AUC-BGN
REMOTE CONTROL SENSOR
3
IC 1903
DPDT OPT IN
1
TSOP1840SB3V
14
5
27
DPDT
OEL CONTROLLER/
KYDT
KEY CONTROLLER
28
KTDT
OELB
6
DEH-P6400/XN/UC
DEH-P6450/XN/ES
RL
PL
DEH-P640/XN/UC
VDD REGULATOR
Q911
VDD
ACC
BACKUP SENSE
BU
Q931
ACC
ACC SENSE
Q932
ILL SENSE
Q951
VDD
TELEPHONE MUTE
POWER AMP
23
FL-
21
FL+
14 IC 301
FLIN
3
PAL007A
RL-
12
RLIN 5
RL+
MUTE STBY B.REMOTE
22 4 25
SYS+B REGULATOR
Q921
SYS+B
Q922
SYSPW
C
FONT ROM
IC1902
DEH-P640/XN/UC PD8089A
DEH-P6400/XN/UC PD8088A
IC 1902
DEH-P6450/XN/ES PD8088A
KEY MATRIX
KEY DATA
IC 1901
PD5706A
OEL DATA
7
DEH-P640,P6400,P6450
CN351
DEH-P6400/XN/UC
R L
DEH-P6450/XN/ES
Q351
PL DEH-P640/XN/UC
FL
FL
5
Q353
CN352-2
CN901
FUSE
2 2
BACK UP
10A
3 3
ACC
5 5
ILL
8 8 TELMUTE
1 1
GND
10 10
FL-
12 12
FL+
9 9
RL-
11 11 RL+
6 B.REM
6
BU
KEYBOARD UNIT
GREEN
OEL UNIT
2,8
4,16
Q1941
7
8
A
B
C
D
15
8