Read Sony MDS-JB980 Service Manual online
55
MDS-JB980
IC201 CXD1873R (USB BOARD)
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VDEC0
VSEC0
CPU CK
CPU SO
CPU SI
VDEC1
VSEC1
CPU XCS
CPU INT
RESET
VDEC2
VSEC2
VDC5
VSC4
TEST2
TEST3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VDEA2
EXT IF1
EXT IF0
VSC0
VDC1
DSP IF0
DSP IF1
VDEA1
DSP IF2
DSP IF3
VDC0
DSP CLK
TEST0
PLLSW
VSEA0
VDEA0
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
OSCVss
XTAL
EXTAL
OSCV
DD
PLLVss
USB SW
PLLV
DD
USBV
DD
MD
DP
USBVss
VSC3
VDC4
USB EN
PLLTHRU
VDEA4
TEST1
DNK RS
VSC2
VDC3
DNK ST
DNK SI
DNK SO
VSEA2
VDEA3
VDC2
VSC1
DNK CK
DNK CS
VSEA1
EXT IF2
EXT IF3
PLL
RAM 16KB
RAM 8KB
MGR
KEY
CONTROL
USB
AUDIO
12MHz
IC451 M5293L (MAIN BOARD)
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
VREF
VOUT
3
4
1
IC461 LB1641 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
IC500 AK4524 (MAIN BOARD)
VCOM
AINR
AINL
2
1
3
VREF
4
TEST
7
XTI
9
XTALE 10
XTO
8
SDTI 14
LRCK 11
BICK 12
SDTO 13
AGND
5
VA
6
A/D
CONVERTER
BLOCK
D/A
CONVERTER
BLOCK
CLOCK
GENERATOR
& DIVIDER
AUDIO
INTERFACE
CONTROLLER
CDTI
15
CIF
18
CLKO
21
AOUTL+
26
AOUTL–
25
DGND
24
VD
23
VT
22
AOUTR+
28
AOUTR–
27
PD
19
M/S
20
CS
17
CCLK
16
CONTROL
REGISTER
INTERFACE
H.P.F.
D-ATT
D-ATT,
S-MUTE
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