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MDS-JE630
6-2. BLOCK DIAGRAM – MAIN Section –
05
X341
45.1584MHz
–1
–2
LED DRIVE
Q756
ROTARY
ENCODER
FL DRIVE
Q781, 782
D756
STANDBY
A/D, D/A CONVERTER
IC321
SDTO
ADDT
DADT, BCK,
LRCK
SDTI
(Page 32)
A
B
LINE AMP
IC301
MUTING
Q187, 287
MUTING
CONTROL SWITCH
Q306
SIRCS
BUFFER
Q851
REMOTE CONTROL
RECEIVER
IC761
OSC
J101
RV791
PHONE
LEVEL
D454
D453
LINE (ANALOG)
IN
LINE (ANALOG)
OUT
J791
PHONES
R
L
R
L
ADA LATCHDA
P1
COM24
COM23
MUTE
DA RST
CP
CS
–32V
REGULATOR
IC310
FL ON/OFF SWITCH
Q403, 404
FL ON/OFF SWITCH
CONTROL
Q401, 402
+3.3V
REGULATOR
IC192
–32V
(FL DRIVER (IC771) B–)
AC IN
AC
(TO FL781)
TR901
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR
DRIVER (IC471) B+
+3.3V
MD MECHANISM
DECK SECTION,
DIGITAL IN/OUT
CIRCUIT B+
+5V
MD MECHANISM
DECK SECTION B+
BACK UP +3.3V
BT451
LITHIUM
BATTERY
RECT
D421
D431
D439
D432
D851
UNREG +12V
F2
Q805
KEYBOARD
OFF SWITCH
+5V
+5V
+5V
KEYBOARD B+
DATA
CLK
4
1
5
KEYBOARD DATA
KEYBOARD CLK
KEYBOARD CONT
F1
VCC
AUDIO
CIRCUIT
UNREG –12V
RECT
D411, 412
BUFFER
Q801, 802
J792
KEYBOARD
BUFFER
Q803, 804
+5V
REGULATOR
IC432
RECT
D413 – 416
RECT
D433, 434
POWER DOWN
DETECT
IC601 (2/2)
79, 80, 1
39 – 60
3 – 37
AD1 – AD3
97, 95 – 93
KEY0 – KEY3
COM01 – COM22SEG01 – SEG35
SEG01 – SEG35
SEG36 – SEG38
G23
G24
G01 – G22
FLUORESCENT INDICATOR TUBE
FL781
FL/LED DRIVER
IC771
HIGH-PASS FILTER,
DIGITAL
ATTENUATOR
DIGITAL
ATTENUATOR,
SOFT MUTE
A/D
CONVERTER
BLOCK
SUB-
TRACKTION
D/A
CONVERTER
BLOCK
AUDIO
INTERFACE
CONTROLLER
CLOCK
GENERATOR,
CLOCK DIVIDER
CONTROL
REGISTER
INTERFACE
BICK
LRCK
+5V
A/D, D/A CONVERTER (IC321) B+
SYS +3.3V
A1 OUT
A1 IN
DADT
BCK
LRCK
AINL
AINR
XTI
FLDATA
FLCLK
FLCS
JOG0
GND
SW
JOG1
100
MONO/ST
SOURCE
TIMER
P.DOWN
STB
≠ AMS ±
PUSH ENTER
S713
S701 – 706, 711, 712,
S714, 721 – 726,
S731, 732
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
RMC
OSCI
C772, R772
OSCO
MIX AMP
IC101 (1/2)
MIX AMP
IC201 (1/2)
OSC
IC322
LOW-PASS
FILTER
IC101 (2/2)
LOW-PASS
FILTER
IC201 (2/2)
HEADPHONE
AMP
IC302
(Page 32)
D
(Page 32)
C
(Page 32)
SWDT, SCLK
1024FS
ANA5
SYS3.3
BACK
PH5
STBY
S.RESET
J851
CONTROL A1 ΙΙ
S746
REC MODE
S741
INPUT
S401
RESET
S751
TIMER
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
RESET
SDA
SCL
EEPROM
IC171
XIN
SDA
SCL
XOUT
X513
10MHz
STEREO
MONO
REC
OFF
PLAY
ANALOG
OPT 2
OPT 1
SYSTEM CONTROLLER
IC501 (2/2)
REGULATOR
IC431
S.RST
13
14
12
11
15
16
17
19
3
2
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
7
48
45
40
5 6
79
65
15
13
6869
92 91
67
62
61
72
LED DRIVE
Q757
D757
PITCH
CONTROL
P2
73
66
65
70
49
21
20
27
6
54
4243
1 3
35 37 34 19 12 50
1
6
5
4
2
12
3