Pioneer DEH-P490IB Service Manual page 17

Cd receiver
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5
CE2
CE1
TUNPDI
TUNPDO
TUNPCK
SL
ELECTRONIC VOLUME/
SOURCE SELECTOR
TUNL
2
IN2_L
4
BUSL+
Pre/SW_L
IN4+_L
IC201
5
BUSL-
IN4-_L
Front_L
PML015B
1
CDL
IN1_L
Rear_L
SEL-L
3
IN3_L
VP
13
VST,VCK,VDT
PEE 24
BZ621
BUZZER
85
MUTE
OEL+B CONTROL
Q819
M
OEL+B
LLER
2/2)
Q820
0A
1
SYSPW
Q851
Q852
20
OELPW
DC/DC CONVERTER
CN801
FILM+
B.UP
5
5
Q801
FILM-
6
6
40
FLPILM
42
EJECT
8
EJTIN
8
DGND
9
9
ILB CONTROL
Q821
IL+B
7
7
B.UP
ROT0
Q822
37
13
13
ILMPW
ROT1
12
12
36
ROT0
35
ROT1
SWVDD CONTROL
SW+5V
2
VDD
2
Q831
38
Q832
SWVDD
DPDT
29
11
11
DPDT
30
KYDT
KYDT
14
14
OEL+B
10
10
91
CSENS
4
4
CSENS
DETACH SENSE SW
39
DSENS
S802
5
6
RESET
IC602
1
2
S-80835CNMC-B8U
10
69
TUNPCE2
70
TUNPCE1
43
TUNPDI
44
TUNPDO
45
TUNPCK
95
SL
SYSTEM
CONTROLLER
67
IC 601(1/2)
DALMON
PEG270A
73
BSENS
72
ASENS
81
ISENS
12
6
7
12V REGULATOR
Q201
Q202
B.UP
IC851
6,7
1
NJM2360M
D
PANEL UNIT
S1970
EJECT
CN1901
IL+B
SOURCE (ENCODER)
9
4
S1988
ROT0
2
9
4
ROT1
1
7
6
5.1V
SW+5V
2
11
REMOTE CONTROL
SENSOR
3
IC 1902
OPT IN
GP1UX51RK
1 10
DPDT
10
3
12
KYDT
8
5
OEL+B
5
8
CSENS
3
10
CN1951
CN1950
6
VDD
RL
SWL
FL
VDD REGULATOR
Q911
VDD
BACKUP SENSE
Q931
ACC SENSE
SML ILM SENSE
POWER AMP
IC 301
14
FLin
PAL007C
12
RLin
MUTE
STBY
22
4
MUTE
Q982
MUTE
Q301
Q981
E-MUTE
B.UP
SYSPW
5
KEY MATRIX
4
S1971-S1975
3
S1976-S1981
S1982-S1987
16
18
17
15
7
REM
DPDT
KEY/OEL CONTROLLER
13
KYDT
IC 1921
PEG268A
DEH-P490IB/XN/UC
7
CN352
MUTE
RL
2
Q351
SWL
Q353
FL
Q352
Q912
CN901
B.UP
B.UP
ACC
Q941
ILM
B.UP
6,20
VCC
23
FL-
FL-
10
21
FL+
FL+
12
3
RL-
RL-
5
RL+
RL+
11
B.REM
25
B.REM
SYS +B REGULATOR
IC 901
2
1
AUDIO8V
B.UP
NJM2388F84
4
B
KEYBOARD UNIT
ILLUMINATION
6
XIN
OLED UNIT
4
XOUT
X1921
10.000MHz
13,16
7
6
OEL DATA
5.1V
14V
Q2011
8.5V
Q2012
REGULATOR
8.5V
7
8
A
2
4
6
B
1
B.UP
3
ACC
5
ILM
C
2
GND
FL-
FL+
9
RL-
RL+
6
B.REM
D
E
F
17
8

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