3232
05
X200
45MHz
LED DRIVE
Q756
ROTARY
ENCODER
FL DRIVE
Q781, 782
D756
STANDBY
D757
FILTER
LED DRIVE
Q757
A/D CONVERTER
IC100
SDTO
ADDT
DADT, BCK, LRCK
AINL
R-CH
R-CH
BICK
LRCK
CDTI
CCLK
CS
XTI
AINR
(Page 31)
LINE AMP
IC103
MUTING
Q200 – 203
MUTING
CONTROL SWITCH
Q702
BUFFER
IC241
SIRCS
BUFFER
Q800
BUFFER
Q870, 871
BUFFER
Q802
REMOTE CONTROL
RECEIVER
IC761
OSC
RV760
REC LEVEL
A
B
AB
J100
RV790
PHONE
LEVEL
R-CH
R-CH
R-CH
D704
D703
–1
–2
LINE
(ANALOG)
IN
LINE
(ANALOG)
OUT
J790
PHONES
L
R
L
R
DALATCH
ADLATCH
DA
P4
P2
P1
COM24
COM23
DVOL1
DVOL0
MUTE
DARST
CP
CS
+5V
REGULATOR
IC205
+7V
REGULATOR
IC703
–7V
REGULATOR
IC702
–32V
REGULATOR
IC701
POWER ON/OFF
RELAY DRIVE
Q701
+5V
REGULATOR
IC705
+3.3V
REGULATOR
IC192
+5V
REGULATOR
IC102
–32V
(FL DRIVER (IC771) B–)
AC IN
AC
(TO FL781)
RY700
RY701
T701
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR DRIVER (IC400) B+
+3.3V
MD MECHANISM DECK SECTION,
DIGITAL IN/OUT CIRCUIT B+
+5V
MD MECHANISM DECK SECTION B+
BACK UP +3.3V
BT701
LITHIUM
BATTERY
RECT
D706
RECT
D720, 721
D701
D719
D800
D710 D709
D700
+7V
VCC
AUDIO
CIRCUIT
–7V
RECT
D722, 723
RECT
D711, 712
RELAY B+
RECT
D715 – 718
POWER DOWN
DETECT
IC704
79, 80, 139 – 60 3 – 37
AD1 – AD3
97, 95 – 93
KEY0 – KEY3
COM01 – COM22
SEG01 – SEG35
SEG01 – SEG35
SEG36 – SEG38
G23
G24
G01 – G22
FLUORESCENT INDICATOR TUBE
FL781
FL/LED DRIVER
IC771
AUDIO
INTERFACE
CONTROLLER
HIGH-PASS
FILTER, DIGITAL
ATTENUATOR
CLOCK GENERATOR,
CLOCK DIVIDER
CONTROL
REGISTER
INTERFACE
PLM & BUFFER
A/D CONVERTER
BLOCK
SUB-
TRACKTION
MODE
CONTROL
CLOCK
BUFFER
CLOCK
GENERATOR
1024FS CLOCK
BUFFER
TIMING
CONTROL
+5V
A/D CONVERTER (IC100) B+
(FOR ANALOG SECTION)
+5V
A/D, D/A CONVERTER (IC100, 200) B+
(FOR DIGITAL SECTION)
SYS +3.3V
+5V
D/A CONVERTER (IC200) B+
(FOR ANALOG SECTION)
A1OUT
A1IN
D/A CONVERTER
IC200
CURRENT PULSE
IC204
DATA
IN1+
IN1–
IN2+
IN2–
I01+
I02–
I02+
I01–
DADT
BCK
LRCK
BCK
LRCK
SWDT
SCLK
L1+
R-CH
BCK
ATT
XIN
64FSI
XOUT
64FSO
FLDATA
FLCLK
FLCS
JOG0
GND
SW
JOG1
MONO/ST
SOURCE
TIMER
KBDTIN
KBCLKIN
KBCLKOUT
P.DOWN
STB
≠ AMS ±
PUSH ENTER
S713
S701 – 706, 711, 712,
S714, 716, 721 – 724,
S732, 733, 731
A
B
SHIFT
SWDT
SCLK
LATCH
LRCK
RMC
OSCI
C772, R772
OSCO
256FSO
128FSO
MCLKI
LVCKO
OVFLAG
PD
MIX AMP
IC243 (1/2)
LOW-PASS
FILTER
IC243 (2/2)
ROTARY
ENCODER
RV760
HEADPHONE
AMP
IC790
L1–
L2+
L2–
R1+
R1–
R2+
R2–
INIT
(Page 31)
SWDT, SCLK
(Page 31)
512FS
(Page 31)
S/P
ATT & IIR
FIR
OVERFLOW
DETECTOR
ATT & L.I.P.
NOISE
SHAPER &
REGISTER
SWITCHING
CIRCUIT
CONTROL
CIRCUIT
3
ANA5
4
SYS3.3
5
KEY+5V
PH5
1
BACK
6
STBY
2
S.RESET
12
J800
CONTROL
A1 II
SYS +3.3V
S746
REC MODE
S741
INPUT
S751
TIMER
J701
KEY BOARD
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
RESET
SDA
SCL
EEPROM
IC171
XIN
SDA
SCL
XOUT
X800
10MHz
XT-IN
XT-OUT
X801
32.768kHz
STEREO
MONO
REC
OFF
PLAY
ANALOG
COAX DIGITAL
OPT2 DIGITAL
OPT1 DIGITAL
SYSTEM CONTROLLER
IC800 (2/2)
REGULATOR
IC700
S.RST
3
2
4
47
54
43
41
6 7 8 48 40 2829
5
32
33
37
36
25
24
20
21
28
27
24
25
4
5
2
1
52
19
13
12
11
15
16
17
9
2
3
8740
6
35 37 34
70 69 68
65 66
2 1
31
88 82 7 61
5 6
66 42 43
100 92 91 19 12 84
8313 15 11 10
4
67
5
62
61
75
D759
PITCH CONTROL
LED DRIVE
Q759
73
72
D
C
B
A
POWER ON/OFF
RELAY DRIVE
Q700
BUFFER
Q872, 873
KEY+5V
1
5
4
DATA
CLK
VCC
21 20 27
MDS-JB930
6-2. BLOCK DIAGRAM – MAIN Section –
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