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MDS-JE440
33
33
– MAIN SECTION –
09
X550
45.1584MHz
LED DRIVE
Q751
ROTARY
ENCODER
FL DRIVE
Q767
D751
STANDBY
A/D, D/A CONVERTER
IC500
SDTO
ADDT
DADT, BCK,
LRCK
SDTI
(Page 32)
A
B
LINE AMP
IC350
MUTING
Q180, 280
MUTING
CONTROL SWITCH
Q380
REMOTE CONTROL
RECEIVER
IC781
OSC
J150
D412
LINE (ANALOG)
IN
LINE (ANALOG)
OUT
R
L
R
L
AD/DA LATCHDAT
P1
P2
G13
MUTE
AD/DA RESET
CLK
CS
AC IN
AC
(TO FL771)
TR900
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR
DRIVER (IC440) B+
BACK UP +3.3V
BT420
LITHIUM
BATTERY
RECT
D481
UNREG +12V
KB DATA
KB CLK
CLK-CTL
VCC2
AUDIO
CIRCUIT
UNREG –12V
RECT
D461, 462
RECT
D476 – 477
RECT
D471, 472
40 – 51
5 – 39
141, 139–138
KEY0 – KEY2
G1-G12S1 – S35
S1 – S35
G13
G01 – G12
FLUORESCENT INDICATOR TUBE
FL771
FL/LED DRIVER
IC761
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 (IC500) B+
SYS +3.3V
DADT
BCK
LRCK
AINL
AINR
XTI
DATA(FL)
CLK(FL)
CS(FL)
JOG0
GND
SW
JOG1
P DOWN
l AMS L
PUSH ENTER
S713
S701 – 706, 711, 712,
S714-716, 721 – 724,
S726,731
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
SIRCS
OSCI
C769, R769
OSCO
MIX AMP
IC601 (1/2)
MIX AMP
IC601 (2/2)
OSC
IC550
LOW-PASS
FILTER
IC260 (1/2)
LOW-PASS
FILTER
IC260 (2/2)
(Page 32)
D
(Page 32)
C
(Page 32)
SWDT, SCLK
1024FS
ANA5
SYS3.3
V.BAK
AC
PH5
S.RST
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
RST
SDA
SCL
EEPROM
IC195
XIN
SDA
SCL
XOUT
X22
10MHz
SYSTEM CONTROLLER
IC1 (2/2)
REGULATOR
IC400
RESET
13
14
12
11
15
16
17
19
3
2
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
910
5 6
66
61
22
26
6162
60
52
1
LED DRIVE
Q755
D775
MD
LONG
2
58
59
63
8
STB
131
4
45
124123
1 3
1 2
128
26 19
2
11
8
4
5
10
13
VCC1
7
6
P.DOWN
–32V
REGULATOR
IC480
–32V
(FL DRIVER (IC761) B–)
+3.3V
REG
IC190
D+3V
+5V
KEYBOARD
HEAD
MOTOR
RECT
D431,432
RECT
D401-404
TR950
POWER
TRANSFORMER
RELAY
DRIVE
Q910
VOLTAGE
SELECTOR
S951
SP,MY ONLY