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HCD-MD333
– MAIN SECTION –
TUNER
UNIT
ANTENNA
82
STEREO
83
CD SECTION
AM
A
TUNED
(Page 34)
84
DO
FM 75
85
DI
86
CLK
FM 300
87
CE
88
MUTE
R-CH
RDS
R-CH
J401
L
TAPE
B
INPUT
R
R-CH
GAIN
CONTROL
Q400
R-CH
GAIN
CONTROL
DRIVER
Q872
CD SECTION
C
(Page 34)
ADDT
DADT
BCK
LRCK
DIN
FS256
SCTX
42
SCTX
EMP
7
XINT
23
XINT
24
DA-EN
SQSY
5
SQSY
AD-EN
25
DQSY
20
DQSY
SLOCK
MNT3
45
MNT3
XBUSY
MNT2
46
MNT2
MNT1
47
MNT1
MNT0
48
MNT0
SENS
41
SENS
SRDT
36
SRDT
SCLK
37
SCLK
SWDT
35
SWDT
XLAT
38
XLAT
D
LIMIT
59
LIMIT-IN
55
REFLECT
REFLECT
MD
SECTION
PROTECT
54
PROTECT
(Page 36)
58
CHUCK-IN
CHUCK-IN
PACK-OUT
57
PACK-OUT
61
26
PB-R
PB.P
MEC-BUSY
REC-R
60
REC.P
MD SYSTEM
CONTROL
IC316
LDON
49
LDON
WRPWR
44
WRPWR
TXD
31
MOD
50
MOD
LOAD-IN
4
DRIVE
9
51 LDIN
RXD
32
33
CLK
MAS-BUSY
34
LOAD-OUT
2
DRIVE
10
52 LDOUT
4
LOADING MOTOR
DRIVE
LOADING SW
IC153
53 LD-LOW
Q350
SDA
79
SDA
SYSTEM-
SCL
80
SCL
12
RST
XRST
40
DIG-RST
PWR-DWN
19
XOUT
XIN
13
15
X302
09
7 MHz
SOUND PROCESSOR
IC701
39
38
30
29
25
37
DBFB
36
SW
35
Q701
4
5
6
18
R-CH
D882
7
D881
8
SDTO
8X
AOUTL
14
LPF
SDTI
INTERPOLATOR
MOD
13
SERIAL I/O
SCLK
12
INTERFACE
8X
AOUTR
LRCK
LPF
11
INTERPOLATOR
MOD
MCLK
CLOCK
DECIMATION
AINL
15
DIVIDER
FILTER
MOD
DEMO
16
DECIMATION
PDDA
FILTER
MOD
23
PDAD
A/D, D/A CONVERTER
24
IC201
(OPEN)
OPTICAL SELECTOR
IC842
9
12
11
10
8
13
LEVEL CONVERT
IC840
1
2
3
4
13
12
11
10
DRIVER
Q601
– 37 –
AMP
POWER AMP
IC702
IC1201
5
+
7
1
+
6
–
10
–
2
MUTE
Q702
R-CH
18
+
13
–
17
R-CH
16
MUTE
THP1230
6
SW
Q703
POWER SW
Q1202
L
J402
A
TAPE
OUTPUT
R-CH
R
26
27
R-CH
74
76 82 83 84 85 86 87 88 34
5
REC MUTE
3
R-CH
Q410
R-CH
REC MUTE
DRIVER
Q871
75
77
63
41
37
38
39
DISPLAY DRIVER
IC901
VF
DIG11
RST
13
1
ı
ı
CS
14
10
DIG2
•
•
SCK
15
DIG14
62
ı
FLUORESCENT
ı
SDATA
16
64
DIG12
INDICATOR
SW
TUBE
SEG35
DIG1
11
24
Q901
ı
ı
FL901
31
SEG27
•
•
33
SEG27
ı
ı
SW
59
SEG0
DIG15
61
Q902
VF
+3.3V
+3.3V REG.
3
1
(BD)
IC192
M+5V
1
+5V REG.
3
SYS+3.3V
5
+3.3V REG.
ANA+5V
4
+5V REG.
B.UP
6
BACK UP
+3.3V
MD REG.
7
IC570
MD
2
9
8
3
RESET
5
IC603
POWER
ON/OFF SW
Q571, 572
RY430
R-CH
OVER LOAD DET
Q1201
R-CH
RELAY
OVER LOAD DET
DRIVE
Q1251
Q435, 436
RELAY
SW
HEAT SENSOR SW
Q432
Q1231, 1232
DC DETECT
SW
OVER LOAD DETECT SW
Q433
Q434
POWER SW
Q431
(AEP, UK, EE)
IC1501
RDS DECODER
BUFFER
IC1500
4 MUX
XI
13
X1501
4.332 MHz
CD SECTION
XO
14
RDATA RCLK
(Page 34)
2
16
B
21
20
22 46 48 49 50 51 52 53 59 60 55 56 57 58
MASTER CONTROL
IC601
31
100
35
45
44
43
42
61
16
17
AU BUS
SW
Q420
CN402
AU BUS
+B
RECT
D1300
–B
+10V
+7V REG.
+10V REG.
M+7V
3
1
3
1
IC511
IC510
RECT
D501
+7.5V REG.
ı
+7.5V
Q510
D504
–7.5V REG.
–7.5V
Q520, 521
–29V REG.
–VG
Q530
RECT
D551
D581
D582
ı
D554
+5V REG.
+5V
3
1
IC560
CP POWER
CD+5V
SW
VF
Q561, 562
– 38 –
+
L
–
TM440
SPEAKER
–
R
+
R-CH
FAN901
FAN DRIVE
+
Q591, 592
R-CH
R-CH
J1400
+B
PHONES
D902 – 908
SIRCS
IC902
VOLUME
ROTARY
LED DRIVE
ENCODER
Q904 – 910
S902 – 916
S901
18 19
90
25 – 27
66 – 70 • 72 • 73
LED
10
11
13
14
15
X601
X602
RESET
5 MHz
32 kHz
SW
Q602
3
RESET
IC602
1
T1600
+5V
POWER
TRANSFORMAER
(AC IN)
VOLTAGE
SELECTOR
S1600
(JE, HK, AR, AUS)
• R CH
: Same as L CH
• SIGNAL PATH
: FM
: PB
: REC
: CD
: digital out (CD)
: TAPE
• Abbreviation
CND : Canadian model.
EE
: East European model.
SP
: Singapore model.
MY
: Malaysia model.
HK
: Hong Kong model.
JE
: Tourist model.
AR
: Argentine model.
AUS : Australian model.
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