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HCD-MD1EX
7-3.
BLOCK DIAGRAM – MAIN Section –
– 37 –
– 38 –
DADT,BCK,
LRCK, FS256
ADDT
LRCK
FS256
XBCK
DADT
PDAD
DEMO
AD-EN
DA-EN
EMP
AD-EN
DA-EN
EMP
AD-EN
DA-EN
EMP
SDA
REC OUT
MUTING
Q702
MD MECHANISM
CONTROLLER
IC316 (2/2)
EEPROM
IC171
MASTER CONTROLLER
(SYSTEM CONTROL)
IC707 (2/3)
12
14
SCLK
LRCK
MCLK
13
SDTI
SDTO
37
CD
36
30
28
29
MD
TONE
OUT
VOL
OUT
VOL
IN
27
BB
IN
BUFFER
AMP
38
TC
39
ST
A/D, D/A CONVERTER
IC201
26
AOUTL
27
AOUTR
AINL
AINR
R-CH
R-CH
(Page 36)
(Page 36)
C
D
CD-L
(Page 34)
A
PWR-DWN
(Page 40)
F
RELAY
(Page 40)
E
15
24 23 16
11
SERIAL
I/O
INTERFACE
CLOCK
DIVIDER
×
8
INTER-
POLATOR
∆Σ
MODULATOR &
LOW-PASS
FILTER
MODE
CONTROL
DECIMATION
FILTER
∆Σ
MODULATOR
5
3
PDDA
•
SIGNAL PATH
: MD PLAY
: CD PLAY
: MD REC
RDS SIGNAL
BUFFER
Q713
LEVEL
SHIFT
IC704 (1/3)
RESET SIGNAL
GENERATOR
IC706
POWER DOWN
DETECT
Q504, 505
POWER OFF
MUTE DRIVER
Q711, 712
DC DETECT
Q510, 511
RESET
SWITCH
Q710
LEVEL
SHIFT
IC704 (2/3)
LEVEL SHIFT
IC704 (3/3)
R-CH
R-CH
R-CH
D521
D710
POWER SWITCH
Q512
05
FM/AM TUNER UNIT
RDS DECODER
IC710
AEP, UK models
AEP, UK models
Except AEP, UK models
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
CONTANS LOOP
VARIABLE &
FIXED DIVIDER
CLOCK
REGENERATION
& SYNC
OSCILLATOR
& CLOCK
DIFFERENTIAL
DECODER
BIPHASE
SYMBOL
DECODER
X703
4.332MHz
X701
32kHz
X302
7MHz
2
31
16
14
13
L-OUT
FM ANT
FM ANT
AM ANT
AM ANT
R-OUT
MUTE
STEREO
FM-DET
OUT
TUNED
DI
DO
CLK
CE
ANTENNA
FM
FM 75
Ω
COAXIAL
AM LOOP
ANTENNA
20
RDS/CLK
21
37
RDS/DATA
RXD
33
39
MD-CLK
TXD
26
79
SCL
BACK UP
+3.3V
Q707
SDA
SCL
80
XOUT 13
XIN 15
RESET SIGNAL
GENERATOR
IC708
D+5V
12
19
5
6
41
16
CTS
AU-BUS IN
14
XT1
17
AU-BUS OUT
13
XT2
X702
5MHz
11
X1
10
X2
74
DBFB
76
MUTE
100
BACKUP
34
35
MD-REST
78
DATA
79
CLOCK
80
LAT
77
ATT/6DB
75
RECOUT-MUTE
MEC-BUSY
CLK
34
31
RTS
MAS-BUSY
32
38
TXD
RXD
87
CE
86
CLOCK
84
DATA-IN
85
DATA-OUT
83
TUNED
82
STEREO
88
ST-MUTE
4
8
7
MUX
CIN
RDDA
OSCI
OSCO
RDCL
SC
OUT
R-CH
MUTING
CONTROL SWITCH
Q705
ATTENUATOR
CONTROL SWITCH
Q706
J501
J502
R
TAPE
IN
TAPE
OUT
L
R-CH
ATTENUATOR
(–6dB)
Q704
R-CH
R-CH
R
L
TM101
J101
R
SPEAKER
IMPEDANCE
USE 4 – 16
Ω
PHONES
L
: FM/AM
: TAPE PLAY
: TAPE REC
FEED BACK
SWITCH
Q709
MUTING CONTROL
SWITCH
Q516
STANDBY
SWITCH
Q514, 520
FAN MOTOR
DRIVE
Q518, 519
VOLUME
CONTROL
CIRCUIT
CPU INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
BB
OUT
INPUT SELECT SWITCH,
TONE CONTROL, ELECTRICAL VOLUME
IC705
POWER AMP
IC506
21
35
22 20
25 24 7
DATA
REC
OUT
CLOCK
LATCH
26
BB-SW
6
MUTE-A
11
MUTE-B
9
STBY-A
14
STBY-B
DATA
CLK
LAT
DATA
CLK
LAT
25
8
3
D522
D523
D707
SYSTEM-RST
PWR-DWN
+
R-CH
M501
(FAN)
R-CH
+
+
POWER-ON
15
RESET
+
–
+
–
M
TONE
CONTROL
CIRCUIT
Summary of Contents for HCD-MD1EX - System
Page 2: ... 2 ...
Page 11: ... 11 This section is extracted from instruction manual ...
Page 93: ...115 HCD MD1EX MEMO ...