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HCD-EX200
Q Q
3 7 6 3 1 5 1 5 0
5-2. BLOCK DIAGRAMS – TUNER/CD SECTION –
TUNER PACK
TU-L
L_OUT
6
TU-R
R_OUT
4
R-CH
ST
STREO
1
TUN
TUNED
2
MUT
MUTING
3
DO
DO
12
CL
CL
13
DI
DI
14
CE
CE
15
CHECK
CONNECTOR
OPTICAL PICK-UP
BLOCK
RF AMP
KSM-770ACA
IC301
T E
L
1 3 9 4 2 2 9 6 5 1 3
VC
12
VC
A+5V
A
5
A
RFO
16
B
6
B
RFI
17
C
7
C
D
8
D
FE
14
E
11
E
TE
13
F
10
F
Q301
LD
LD
3
LD
LD ON
22
DRIVE
GND
HOLD SW
21
PD
4
PD
VR
IC302
MOTOR DRIVER
F+
CH1
CH1
13
3
OUT R
R IN
FOCUS
COIL
F-
CH1
CH1
14
2
OUT F
F IN
T-
CH2
CH2
11
6
OUT R
TRACKING
R IN
COIL
T+
CH2
CH2
12
5
OUT F
F IN
SD-
CH3
CH3
18
23
OUT R
R IN
M
SLED
SD+
MOTOR
CH3
CH3
w w w
17
24
OUT F
F IN
SP-
CH4
CH4
16
25
OUT R
S IN
M
SPINDLE
MOTOR
SP+
CH4
15
OUT F
MUTE
20
LIMIT
IN SW
AMP
A
SECTION
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
D/A CONVERTER
IC303
CN303
D OUT
64
5
MNT0
11
XUGF
4
MNT1
12
XPCK
3
13
GFS
MNT2
2
14
C2PO
MNT3
LRCK
65
PCMD
66
BCLK
67
50
RFAC
XTAI
71
43
RFDC
X361
39
FE
16.9344MHz
41
TE
40
SE
DATA
4
CLOK
6
XLAT
5
SQCK
77
SCLK
8
SQSO
76
SCOR
15
SENS
7
34
FRDR
33
FFDR
SSTP
26
32
TRDR
31
TFDR
30
SFDR
29
SRDR
XRST
2
x
a o
25
MDP
.
i
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IC391
OPTICAL
CD
DIGITAL
DIGITAL OUT
OUT
OPTICAL
D/A CONVERTER
IC304
CD-L
AMP
B
LOUT
16
Q
Q
SECTION
1
LRCK
3
7
6
CD-R
2
DATA
ROUT
13
R-CH
3
BCLK
4
CKO
MLAT
28
CLOK
27
XTI
5
DATA
26
XTO
6
u 1 6 3
y
16
16
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2
4
8
9
9
• RCH is omitted due to same as LCH
• Signal Path
MASTER CONTROL
IC701(1/2)
TUN
1
TUNED
ST
100
STEREO
MUT
46
ST_MUTE
DO
3
PLL_DATAI
DI
4
PLL_DATAO
CL
5
PLL_CLK
CE
2
PLL_CE
3
1
5
1
5
0
8
9
2
MOTOR DRIVER
31 DA LAT
IC351
41
9
RIN
OUT1
OPEN
CLOSE
42
7
FIN
OUT2
39
CD DAT
M+7V
24
SCLK
32
XLAT
21
SERVO_CK
19
SUB_Q
16
SCOR
18
SENSE
OPEN_SW
35
OPEN/CLOSE
CLOSE_SW
34
m
+7V
23
XRST
c o
CD_POWER
26
.
32
LPH
33
LDON
2
8
9
9
: FM
: CD
: DIGITAL OUT
4
9
8
2
9
9
4
M351
M
LOADING
MOTOR
2
S351
SWITCH
CD+7V
Q781,782
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