Pioneer DEH-P250 Service Manual page 15

5
QQ
3 7 63 1515 0
11
CE2
32
TUNPCE2
CE1
99
TUNPCE1
DO
94
TUNPDI
DI
98
TUNPDO
CK
97
TUNPCK
74
SL
SYSTEM CONTROLLER
IC 601(1/2)
ELECTRONIC VOLUME/
SOURCE SELECTOR
TUN L 3
IN2-L
+L 5
IN4+L
IC 131
-L 6 10
IN4-L
FL
PML003AM
TE 11
L 13942296513
RL
4
IN3-L
VST,EVCK,EVDT
X601
Q601
VDD
CN831
BU 5 5
Q831
6 6
8 8
S1970
9
9
EJECT
Q961
ILB
7
7
BU
10 10
Q962
Q971
SWDVDD
2
2
VDD
DPDT
11 11
S801
www
DETACH SENSE
KYDT
14 14
.
CN1951
CN1950
5
http://www.xiaoyu163.com
RESET
1 2
IC 651
VDD
BD4834G
10
PE5341C
DALMON
93
bsens
92
asens
MUTE
Q502
BU
MUTE
Q301
B
PANEL UNIT
CN1901
ILB
9
4
BL+B
5 8
SWVDD
11
2
REMOTE CONTROL SENSOR
3
IC 1902
DPDT OPT IN
1
10 3 TSOP4840SB1
17
18
DPDT
KYDT
8 5
20
x ao
KTDT
y
i
http://www.xiaoyu163.com
6
8
RL
VDD REGULATOR
Q901
VDD
Q902
BACKUP SENSE
Q931
ACC
ACC SENSE
POWER AMP
FL+
14 IC 301
FLIN
Q Q PAL007A
RL-
12
3 6 7 1 3
RLIN
RL+
MUTE STBY B.REMOTE
22 4 25
SYS 8.4V REGULATOR
Q911
SYS 8.4V
Q501
TUNER 3.3V REGULATOR
IC 921
3
TUN 3.3V
BA033FP
11
55
KEY DATA
LCD DRIVER/
KEY CONTROLLER
IC 1901
u163
PD6340A
.
DEH-P250/XM/UC
6
7
2 9 9 4 2 8
PRE OUT
CN351
RL
4
RL
Q351
CN981
BU
FUSE
16 16
10A
14 14
15 15
BU
20
23
FL- 7 7
21
5 5
3
8 8
1 5 0 5 8 2 9 9 4
5
6
6
11 11
Q912
BU
Q913
SYSPW
1
SYS 8.4V
C
KEYBOARD UNIT
KEY MATRIX
m
co
LCD
7
8
9 9
A
B
BACK UP
ACC
GND
C
FL-
FL+
RL-
2 8 9 9
RL+
B.REM
D
E
F
15
8