8
DEH-1450,1450B
A
1
2
4
B
C
D
1
2
4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
VDCONT
Q510
Q511
B.U
ANTENNA
CN402
LOCL
Q410
VCC
VDD
PCE2
PCK
PCE1
SL
SD
PDIO
CN501
CDL
LOEJ
CONT
TUNER AMP UNIT
VD
CD5VON
IC 3
EEPROM
FM/AM TUNER UNIT
28
27
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
IC1
MIXER, IF AMP, DET.
6
21
18
LDET
COMP
22
25
10
14
12 15 16
8
13
2
3
4
CF202
VDD
VCC
DI/DO
CE2
CK
CE1
SDBW
SL
FMSD
NL1
NL2
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
IMG ADJ
RF ADJ
X901
10.25MHz
ANT ADJ
LOCL
23
LOCH
AMDET
MPXREF 41kHz
AM 2ND IF
450kHz
19
CREQ
11
DGND
1
STIND
L ch
5
R ch
9
24
NC
FMLOCL
20
17
7
NC
NC
WC
26
RFGND
CN701
Q101
M
LASER
DIODE
MONITOR
DIODE
DISC
SENSE
FOCUS ACT.
SPINDLE
MOTOR
TRACKING ACT.
LD-
MD
FO+
TO+
15
5
1
4
PICKUP UNIT
(SERVICE)(P9)
HOLOGRAM
UNIT
IC 401
BA5996FM
IC 201
TC9495F2
IC 701
BA05SFP
+5V REGULATOR
SERVO
CONTROL,
DSP,
LPF, DAC
CD
DRIVER
17
DSCSNS
2
VD
VD
VDD
11
CONT
10
LOEJ
14
L-OUT
1
CD5VON
CN101
TOP
FOP
16
SOP
15
SOM
17
LCOP
18
LCOM
22
1
2
LOEJ
78
85
L_OUT
79
9
MUTE
12
FOP
TD/FD
AC,BD
F,E
SD/MD
38
RFI
43
FEI
4
14
TOP
S901
HOME
8EJ
SENSE
HOME
16
LD+
14
VDD
9
LDO
8
MDI
IC 101
TA2153FN
RFRPIN
FEO
TEO
24
16
14
46
TEI
RF-AMP
CONTROL UNIT
17
2
11
10
14
1
16
A
C
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