MDS-PC3
37
37
– MAIN SECTION –
09
X550
45.1584MHz
ROTARY
ENCODER
A/D, D/A CONVERTER
IC500
SDTO
ADDT
DADT, BCK,
LRCK
SDTI
(Page 36)
A
B
LINE AMP
IC502
MUTING
Q170,270
MUTING
CONTROL SWITCH
Q100
REMOTE CONTROL
RECEIVER
IC781
D301
J180
PHONES
AD/DA LATCH
FLDT
MUTE
PDOWN
AD/DA RESET
FLCK
FLCS
IIC BUSY
IIC DATA
POWER(IIC)
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
DADT
BCK
LRCK
AINL
AINR
XTI
DATA(FL)
CLK(FL)
CS(FL)
JOG0
LED
GND
SW
JOG1
.
AMS
>
PUSH
u
S713
S726
S702
S701
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
SIRCS
MIX AMP
IC501 (1/2)
MIX AMP
IC501 (2/2)
OSC
IC550
HEADPHONE
AMP
IC503
(Page 36)
D
(Page 36)
C
(Page 36)
SWDT, SCLK
CN200
ANALOG
OUT
(VARIABLE)
CN100
ANALOG
IN
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
XIN
XOUT
X22
10MHz
SYSTEM CONTROLLER
IC1 (2/2)
RESET
13
14
12
11
15
16
17
19
3
2
5
3
2
7
1
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
9
10
22
26
16
15
LED DRIVE
Q701
LED701
LCD701
LCD MODULE
LCD
BACK
LIGHT
LED INV. DRIVE
Q751
D751
14
8
26
115
37
IIC CLK
6
129
4
4
5
124
123
KEY1
139
KEY2
138
KEY0
141
1
3
1
RESET
DIG-RST
17
47
7
2 128
19
MUTING
Q451
z
x / Z
LIN
RIN
MUTE
LOUT
ROUT
25,24-16,8-1,48
29-36,38-45
A0 – A18
DQ0-DQ15
100-94,92,85-77,75,73
122-119,113-102
A1 – A19
D0 – D15
FLASH RAM
IC301
11 14 26 28
65 90 69 63
R/W
WP
CE
OE
WE R/W
WP
CS0
OE
3
6
1
3
2
7
LY
LX
VCC
RESET
SY
IIC POWER
IIC BUSY
IIC CLK
IC800
IIC BUS BUFFER
IIC DATA
SX
+5V
IC420
RESET
1
3
VIN
OUT
IC401
VOLTAGE LEVEL DETECT
SWITCHING
REG.
IC400,Q400
+5V
REG
IC450
+3.3V
REG
IC402
-5V
DC/DC
CONVERTER
IC451
+5V
(ANALOG)
+5V
+3.3V
(SYS)
+3.3V
(BACKUP)
-5V
(ANALOG)
5
6
3
4
1
7
2
D422
THP400
DC IN
9V
BT420
LITHUM
BATTERY
GND
GND
+5V
XBUSY
EXT ON
J800
CONTROL-I
I /
I /
D421
CN420