Main Section - Sony MDS-JE480 Service Manual

Q Q
– MAIN SECTION –
3 7 6 3 1 5 1 5 0
ADDT SDTO
A
8
(Page38)
DADT, BCK,
LRCK
DADT SDTI
B
9
BCK BICK
(Page38)
12
LRCK LRCK
10
C
(Page38)
T E
L 1 3 9 4 2 2 9 6 5 1 3
15 XIN
X15
10MHz
XOUT
13
1 2 84
63 62 61
C769, R769
59 OSCI
OSC
58 OSCO
1 2
D726
LED DRIVE
STANDBY Q726
D775
LED DRIVE
MD LP
Q755
w w w
.
A/D, D/A CONVERTER
IC500
LIN
2
∆∑
DECIMATION
RIN
FILTER MODULATOR
1
VCOM
COMMON VOLTAGE 14
SERIAL
I/O
INTERFACE LOUT
15
∆∑
8X
LPF
INTERPOLATOR MODULATOR
ROUT
16
MCLK
11
CLOCK DIVIDER
PD DEMO
13 6
39 72
SYSTEM CONTROLLER
IC1 (2/2)
87 88
1 3
ROTARY
ENCODER
RST 60
FL/LED DRIVER
IC760
GND SW
5 4
S1–S35 G1 – G12
5 – 39 40 – 51 52
S713
l AMS L
PUSH ENTER
FL DRIVE
Q767
S701 – 706, 711, 712,
FLUORESCENT INDICATOR TUBE
S714-716, 721 – 724,
FL750
AC
x a o
y
i
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8
LINE AMP
IC310
LINE AMP
IC360
MUTING
Q181, 281
OSC
IC550
X550 MUTING
CONTROL SWITCH
11.2896MHz
Q380
REMOTE CONTROL
RECEIVER
IC781
D382 D381
4 38 81
Q Q
3 7 6 3
KEY0 – KEY2
96,95,94 19 12
6
IC600(2/2)
BUFFER
3 RESET VCC
IC406
RESET
S726
u 1 6 3
.
VD/VA +3.3V
(TO IC500)
39 39
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9 2 4 9
J300
L
ANALOG
IN
R
L
ANALOG
OUT
R
1 5 1 5 0 8 9 2
9
+3.3V
+3.3V REGULATOR
(SYS)
IC401
D409 D406
+3.3V
(BACKUP)
CN406
D408
5
(TO FL750)
BT406
LITHIUM
BATTERY
–32V –32V
RECT
(FL DRIVER (IC760) B–) REGULATOR D421
Q427
RECT
UNREG +12V
D461, 462
LINE AMP
(IC 310, 360)
RECT
D466–467
UNREG –12V
m
UNREG +12V
IC411
LOADING MOTOR
+5V
c o
DRIVER (IC440) B+
REGULATOR
RECT
+5V 3 OUT VIN 1
D411,412
+3.3V
REGULATOR
IC490
MDS-JE480
8 2 9 9
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
4 9 8 2 9 9
TR950
POWER
TRANSFORMER
RECT
D431,432
RECT
D401-404
TR900
POWER
TRANSFORMER
AC
RELAY
DRIVE
Q911