Pioneer DEH-2050MPA Service Manual page 13

5
SYSTEM MICRO
COMPUTER
IC 601(1/2)
PN5013B
SL-IN 62
SL-
IFA
77
IF_INA
IFB 78
IF_INB
REFA 96
FREF_A
REFB
97
FREF_B
LDET 99
LOCK
DI
100
DI
CK 101
CK
CE1 102
CE
DO 103
DO
CE2
109
VST
SLOUT 136
ADIN7
59
L_OUT
ELECTRONIC VOLUME/
SOURCE SELECTOR
7
TUNL Rear_L
1
IN1_L
6
Front_L
IC 151
PML014A
CDL
2 4 AUX-L
IN2_L IN4+_L
5 AUX-G
IN4-_L
SYSTEM MICRO
COMPUTER
IC 601(2/2)
PN5012B
44
POWEROFF MUTE
BSENS
TOP41
SWVDD
82
DREG
XOUT
X601
74.1MHz
81
XIN
REGC(M)
PLL_VDD
52
DVDD3
BU_X1
X602
DVDD2
4.7186MHz
51
DVDD4 BU_X2
CDRESET
34
DSENS
ILMPW
B.UP
Q822
2
ILMPW
PDL3
33
SRC
111
VCK
110
VDT
23
DPDT/SELF
24
KEYDT/SELF
5
6
35
ASENS
ASENS
MUTE
Q201(2/2)
MUTE
Q201(1/2)
CN831 CN1801
AUX-G AUX G
6 6
AUX-L AUX L
7 7
DSENS DSENS
14 14
Q821
ILM+B ILL+B
9 9
SWVDD
SWD5V
3 SWVDD
3
S1830
SOURCE SRC
4
4
SOURCE
ROT1
ROT1
10
10
ROT0
ROT0
11 11
DPDT
DPDT
13 13
KYDT
KYDT
12 12
6
7
ACC SENSE
Q931
23
FL
AMP
12
21
RLIn
IC 301 FL
3
PAL007C
RL
14
5
FLIn
RL
22
25
MUTE NC/BREM
6
VCC
4
STBY 20
VCC
AUX IN
1 2
CN1802
D1803-D1810
D1812-D1823
D1825
S1831
1
2
VOLUME
18
DPDT
20
KYDT
10
SWVDD VLCD
56
VDD
DEH-2050MPA/XN/EC
7
CN351
RL 2
Q351
CN901
1 1
B.UP
BACK UP
ACC
3 3
ACC
2 2
GND
FL
10 10
FL
12 12
FL
RL
9 9
RL
11 11
RL
B.REMOTE
6 6
B.REM
B.UP
B
KEYBOARD UNIT
KEY MATRIX
KEY DATA
22
X0
X1801
5MHz
23
X1
LCD DRIVER/
KEY CONTROLLER
IC 1801
PD6340A LCD1801
8
A
B
C
D
E
F
13
8