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MDS-JE470
39
39
– MAIN SECTION –
X550
45.1584MHz
LED DRIVE
Q726
ROTARY
ENCODER
FL DRIVE
Q767
D726
STANDBY
A/D, D/A CONVERTER
IC500
SDTO
ADDT
DADT, BCK,
LRCK
SDTI
A
B
LINE AMP
IC310
MUTING
Q181, 281
MUTING
CONTROL SWITCH
Q380
REMOTE CONTROL
RECEIVER
IC781
OSC
J300
ANALOG
IN
L
R
L
R
D382 D381
ANALOG
OUT
ADA,LATCHDAT
P1
P2
G13
MUTE
ADA,RESET
CLK
CS
SP
S990
AC
(TO FL750)
TR900
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR
DRIVER (IC440) B+
RECT
D421
UNREG +12V
+5V
AUDIO
CIRCUIT
UNREG –12V
RECT
D411,412
J800
PC LINK
RECT
D466–467
VOLTAGE
SELECTOR
115V 230V
RECT
D471, 472
40 – 51
5 – 39
S1–S35
96,95,94
KEY0 – KEY2
G1 – G12
S1 – S35
G13
G1 – G12
FLUORESCENT INDICATOR TUBE
FL750
FL/LED DRIVER
IC760
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
A1 OUT
A1 IN
DADT
BCK
LRCK
AINL
AINR
XTI
FLDT
FLCK
FLCS
JOG0
GND
SW
JOG1
P DOWN
l AMS L
PUSH ENTER
S713
S701 – 706, 711, 712,
S714-716, 721 – 724,
S726
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
SIRCS
OSCI
C769, R769
OSCO
MIX AMP
IC360
(1/2)
MIX AMP
IC360
(2/2)
OSC
IC550
LOW-PASS
FILTER
IC370
(1/2)
LOW-PASS
FILTER
IC370
(2/2)
D
C
SWDT, SCLK
1024FS
(Page38)
(Page38)
(Page38)
(Page38)
• SIGNAL PATH
RST
XIN
XOUT
X15
10MHz
SYSTEM CONTROLLER
IC1 (2/2)
S.RST
13
14
12
11
15
16
17
19
3
2
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
3
39
24
40
15
13
6162
60
521
LED DRIVE
Q755
D775
MD LP
2
58
59
63
38
STB
81
IIC DATA
IIC DATA
IIC DATA
GND
GND
IIC CLK
IIC BUSY
IIC BUSY
IIC POWER
IIC POWER
30
29
23
28
5
3 4
1 2
6
4
45
8887
1 3
1 2
84
19 12
–32V
REGULATOR
IC421
–32V
(FL DRIVER (IC760) B–)
+3.3V
REGULATOR
IC401
RECT
D431,432
RECT
D401-404
TR950
POWER
TRANSFORMER
RELAY
DRIVE
Q911
6
IC600(2/2)
BUFFER
9
IC406
RESET
RESET VCC
3 5
D406
+3.3V
(SYS)
+3.3V
(BACKUP)
D409
D408
BT406
LITHIUM
BATTERY
CN406
OUT+5V VIN
3 1
+3.3V
REGULATOR
Q490
IC411
+5V
REGULATOR
VT +3.3V
(TO IC500)
: PLAY (ANALOG OUT)
: REC (ANALOG IN)