Block Diagram And Schematic Diagram - Pioneer DEH-340 Service Manual

1
DEH-340,3400,34

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
A
FM/AM TUNER UNIT
ANTENNA
CN402
AMANT
28
FMANT
27
RFGND
26
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
AMRF T51 Q51 CF51 CF52 CF53
ATT
ANT ADJ
IC1
MIXER, IF AMP, DET.
ATT
FMRF
CF202
X901
AM 2ND IF
IMG ADJ
10.25MHz
450kHz
VDD
VCC
RF ADJ
LOCH LOCL
23 25 7 17 20 22
Q410
LOCL
VCC
D
CONTROL UNIT
CN101
Q101
9
24
LDO
15 RFRPIN
8 16
5
MDI FEO
14
AC,BD
TEO
RF-AMP
F,E
FOP
4
TOP
1
IC 101
TA2153FN
14 VDD
12
FOP
14
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
2
3
MPXREF 41kHz
AMDET
L ch
IC 2 FM MPX
R ch
COMP
LDET
IC 3
EEPROM
10 19 14 24 9 11 12 15 16 8 13 2 3 4 1
VDD
CN701
L-OUT
38 85
RFI L_OUT
43
78
FEI
46
TEI
79
SERVO
CONTROL,
DSP,
LPF, DAC
TD/FD
IC 201
SD/MD
TC9495F2
LOEJ
CONT
DSCSNS
HOME
VD
VD
+5V REGULATOR
IC 701
4 2
VDD
BA05SFP
1
CD5VON
3
4
6
5
21
18
CN501
CDL
14 14
LOEJ
10 10
CONT
11 11
17 17
16 16
Q510
VD
2 2
B.U
Q511
CD5VON
1 1 VDCONT
4
6
S
76
S
14
T
PCE1
13
T
PCK
48
T
PCE2
12
T
PDIO
11
T
57
L
2
I
3
I
34
LOEJ
23
CONT
79
DSCSNS
32
HOME
SYSTEM
CONTROLL
IC 610(2/
PE5262B
21
VDCONT
35
CD5VON