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1
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
B
ANTENNA
CN401
AM ANT
1
1
2
FM ANT
3
C
PICKUP UNIT
(P10)(SERVICE)
D
LASER
DIODE
LD+
MD
HOLOGRAM
UNIT
FOP
FOCUS ACT.
TOP
TRACKING ACT.
MONITOR
DIODE
SPINDLE
M
MOTOR
LOADING/
CARRIAGE
M
MOTOR
E
F
14
1
2
7 6
IC 3 EEPROM
5.0V
OSC
FMRF
ATT
IC 1
3.3V
ATT
FMRF
MIXER, IF AMP
RF adj
ANT adj
2
12
15
22
16
C
D
CD CORE UNIT(S10)
CN101
Q101
14
3R3V
5
AC, F, E, BD
FOP
1
TOP
4
FD, TD, SD, MD
12
FOP
13
TOP
ACT,MOTOR
DRIVER
HOME
16
SOP
15
SOM
17
LCOM
18
22
LCOP
LOEJ
9
CONT
IC 301
BA5835FP
12EJ
8EJ
DSCSNS
DEH-1750/XN/GS
2
3
VDD
13
5
10 9 8
11
14
18 19 20 21
IC 5
5V
3.3V
LPF
T51
CF52
IC 4
3.3V
2.5V
3.3V
2.5V
4
17
TUN 3V
VCC
CN701
LOUT
1
20
LD
LOUT
8
14
2
23
PD
xtal
X201
24
SERVO
XTAL
CONTROL,
DSP,
LPF, DAC
12
XSI
SO
IC 201
16
6
UPD63712AGC
42
LIMIT
LOEJ
5
17
CONT
7
15
DSCSNS
6
16
VDSENS
VD
1
20
VD
2
21
3.3V REGULATOR
1
3
3R3V
IC 701
NJM2885DL1-33
3
Rch
IC 2
2.5V
Lch
DET, FM MPX,
RDS DECODER
CN651
SYSTEM CONTROLLER
IC 652
16
2
4
XSI
29
LOEJ
28
TC7SET08FU
CONT
79
DISCSENS
78
VDSENS
66
41
8
Q991
B.UP
Q992
4
24
23
TUN L
2
CD L
3
VST,VCK,VDT
48
MUTE
70
X1
X601
69
X2
43
SYSPW
IC 601(2/2)
PE5449A
Q
B.UP
65
9
21
22
Q
Q
VDD
4
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