Interface Control Block Diagram - Sony RMT-D172A Service Manual

DVP-NS975V
Q Q
3 7 6 3 1 5 1 5 0

3-12. INTERFACE CONTROL BLOCK DIAGRAM

IF-115 BOARD
(SEE PAGE 4-21 to 4-22)
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
TO MB TO MB
3 7 4 2 11 1
CN401
D401
PROG
IC 406
1
EVER+3.3V
IC 408
1
VOUT
EVER+3.3V
D404
VOFF
D403
FLOFF
VFD DRIVER CIRCUIT
SW-10V
1 2 40 41
12
38
ND401
FLUORESCENT
INDICATOR
4
TUBE
11
x a o
. i
3-23
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PL-035 BOARD
(SEE PAGE 4-25 to 4-26)
1 7 3 2 5 4
7 1 5 6 3 4
CN402
44 41 42 37
30 PON CHK
XSYSRST 7
43
PROG LED
/CS 14
15
SI
SO 16
11 SC 17
IR
Q Q
/AMUTE 23
3 7
/VMUTE 24
BUSY 27
8
/RST
35
O/C
79 VOFF-LED
80 FLOFF-LED
IC 404
IF CON
AD1 34
40 VKK
S410
AD2 36
XIN
50 2
SEG 1-20
X401
69
8MHz
XOUT 3
71
DIG 1-7
78
u 1 6 3
y
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2 4
8 9 9
XSYSRST
XIFCS
SOO
SIO
SCO
A-MUTE
6 3 1 5 1 5 0 8 9
V-MUTE
XIFBUSY
A-O/C
S412
R407 R404 R403
S406 S403 S401
R406
S409 S405
m
c o
.
3-24
2
8 9 9
CN 402
12
10
7
8
TO MB-118
(SEE PAGE 3-9 to 3-10)
5
3
2 4 9 8 2 9 9
4
9