Sony MDS-JE780 Service Manual page 53

IC451 M5293L (MAIN BOARD)
GND 2
+
REFERENCE
ON/OFF 4 –
VOLTAGE
OVERHEAT
PROTECTION
IN 1
IC461 LB1641 (MAIN BOARD)
T.S.D
MOTOR
DRIVE
CONTROL LOGIC
2 3 4
1
IC201 CXD1873R (USB BOARD)
VDEC0 49
VSEC0 50
CPU CK 51
CPU SO 52
53
CPU SI
VDEC1 54
VSEC1 55
56
CPU XCS
CPU INT 57
RESET 58
VDEC2 59
VSEC2 60
VDC5 61
VSC4 62
63
TEST2
64
TEST3
5k
5 VREF
27k
3
VOUT
OVERCURRENT
LIMITTER
FWD/REV/STOP
5 6 7 8
48 47 46 45 44 43 42 41
12MHz
PLL
RAM 16KB
RAM 8KB
CONTROL
AUDIO
1 2 3 4 5 6 8
7
IC500 AK4524 (MAIN BOARD)
VCOM 1
AINR 2
AINL
3
VREF 4
AGND 5
VA 6
TEST 7
XTO 8
CLOCK
GENERATOR
XTI 9
& DIVIDER
XTALE 10
LRCK 11
AUDIO
BICK 12
INTERFACE
SDTO 13
CONTROLLER
SDTI 14
O.C.P
MOTOR
DRIVE
9 10
40 39 38 37 36 35 34 33
MGR
KEY
USB
11 14
9 10 12 13 15 16
MDS-JE780
A/D D/A
CONVERTER CONVERTER
BLOCK BLOCK
H.P.F.
D-ATT
CONTROL
REGISTER
INTERFACE
D-ATT,
S-MUTE
32 TEST1
31 DNK RS
30
VSC2
29
VDC3
28
DNK ST
27 DNK SI
26
DNK SO
25 VSEA2
24 VDEA3
23 DNK CS
22
DNK CK
21
VSC1
20
VDC2
19
EXT IF3
18
EXT IF2
17 VSEA1
28 AOUTR+
27 AOUTR–
26 AOUTL+
25 AOUTL–
24 DGND
23 VD
22 VT
21 CLKO
M/S
20
19 PD
CIF
18
17 CS
16
CCLK
15 CDTI
53