Block Diagram And Schematic Diagram - Pioneer DEH-P440 Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
FM/AM TUNER UNIT
A
AMRF
AMANT
28
ATT
ANT ADJ
ANT
FMANT
27 ATT
7 WC
9
NC
11 DGND
CN402
17
NC
20 NC
24 FMLOCL
26
RFGND
LOCH
23
LOCH
B
PICKUP UNIT(SERVICE)(P9)
LASER
DIODE
LD-
MD
HOLOGRAM
UNIT
FO+
FOCUS ACT.
TO+
TRACKING ACT.
MONITOR
DIODE
LD+
SPINDLE
M
MOTOR
C
LOAD/ CARRIAGE
M
MOTOR
D
12
1
2
FM/AM 1ST IF 10.7MHz MPXREF 41kHz
T51 Q51 CF51 CF52 CF53
AMDET
IC1
MIXER, IF AMP, DET.
FMRF
CF202
X901
AM 2ND IF
IMG ADJ
EEPROM
10.25MHz
450kHz
VDD
RF ADJ
VCC
LOCL
22 10 19 14
25
Q410
LOCL VCC
VDD
D
CONTROL UNIT
CN101
Q101
9 24 38
15 LDO RFRPIN
8 16 43
5 MDI FEO
46
14
AC,BD
TEO
RF-AMP
F,E
FOP
4
TOP
1
IC 101
TA2153FN
14 VDD
TD/FD
12
FOP
14
SD/MD
TOP
CD
DRIVER
16
SOP
15
SOM
17
LCOP
18 22
LCOM LOEJ
9
MUTE
IC 401
BA5996FM
S901
HOME
12EJ DISC
SENSE 8EJ SENSE
CLAMP
SENSE
SENSE
DEH-P440/XN/UC
2
3
L ch
IC 2 FM MPX
6
R ch
5
COMP
21
LDET
18
NL2
4
IC 3
12 15 16 8 13 2 3 1
CN701
CN701
CN501
L-OUT
85
14
L_OUT 14
RFI
78
FEI
TEI
79
SERVO
CONTROL,
DSP,
LPF, DAC
IC 201
TC9495F2
16
11
LOEJ
10
10
CONT
11 17
1
2
DSCSNS
17
HOME
16
VD
VD 2
+5V REGULATOR
IC 701
4 2
VDD
BA05SFP
1 CD5VON
1
3
4
Q710
B.U
Q711
IP-BUS DRIVER
TX
5 1
IC 710
8
6 2 RX
HA12187FP
5 BUS–
8
IPPW
1 BUS+
7 BUS+L
BZ610
ALARM
BUZZER
100
PEE
64
HOME
53
EJECT
63
CONT
54
LOEJ
SYSTEM
79
DSCSNS
CONTROLLER
56
CD5VON
IC 601(2/2)
57
VDCONT PE5246A
6
LCDPW
96
DPDT
95
KYDT
29
ROT0
25
B.U
ROT1
9
FLPILM
Q510
4
EJECTIN
23 77 20
1
6
Q511
5
B.U
VDD
S750
DETACH
SENSE SW
Q752
Q754
B.U
Q755
4
72
MUTE
Q362
37 mute
mute
16
X1
X610
X2
15
Q910
81
TEMP
VCC
TH601
21
SYSPW
SYSPW
B
CN750
CN1950
Q751
ILB+
7 7
Q753
CSENS
4 4
EJECT
8 8
FILM+
B.U 5 5
SW5V
10 10
Q750
9 9
FILM–
6 6
DPDT
11 11
KYDT
14 14
ROT1
12 12
ROT0
13 13
BL+B
2 2
32
p
38
S
39
s
50
L
51
L
74
S
97
P
98
P
99
P
71
A
41
T
44
B
42
C
Q9
PA
EJE
S1