Sony MDS-S50 - Md Player Service Manual page 50

MDS-S50
– MAIN Board –
IC400 LA5643
PH5 1
STBY 2
V 3
CC
ANA5
4
SYS3.3 5
6
B.BAK
AC 7
CD1
8
P. DOWN 9
10
GND
CD2 11
S. RESET 12
IC500 AK4524
VCOM
1
AINR 2
AINL 3
VREF 4
AGND
5
VA 6
TEST 7
XTAO 8
CLOCK
XTAI 9 GENERATOR
& DIVIDER
XTALE 10
LRCK 11
AUDIO
BICK 12
INTERFACE
SDTO 13
CONTROLLER
SDTI 14
50
+
–
+
–
–
+
+
–
3.3V
–
DELAY
CIRCUIT
+
–
DELAY
+
CIRCUIT
VREF
A/D D/A
CONVERTER CONVERTER
BLOCK BLOCK
H.P.F.
D-ATT
CONTROL
REGISTER
INTERFACE
D-ATT,
S-MUTE
IC440 LB1641
T.S.D
MOTOR
DRIVE
2 3 4
1
IC480 M5293L
GND 2
REFERENCE
ON/OFF 4
VOLTAGE
OVERHEAT
PROTECTION
IN 1
28 AOUTR+
27 AOUTR–
26 AOUTL+
25 AOUTL–
24 DGND
23 VD
22 VT
21 CLKO
20 M/S
19 PD
18 CIF
17 CS
16
CCLK
15
CDTI
FWD/REV/STOP
CONTROL LOGIC
5 6 7 8
5k
5
27k
+
3
–
OVERCURRENT
LIMITTER
O.C.P
MOTOR
DRIVE
9 10
REFERENCE
VOLTAGE
OUT