Interface Control Block Diagram - Sony DVP-NS50P Service Manual

3-7. INTERFACE CONTROL BLOCK DIAGRAM

IF-124 BOARD
(SEE PAGE 4-19 to 4-20)
IC 407
3.3V
4 5
REGULATOR NS52P only Except NS52P
D407
D401
80
PROG LED
EVER+3.3V
78
VCC
IC 406
5
VDD
IR
3 1 11 IR
EVER+3.3V RECEIVER
IC 408
2 RESET 1 8
/RST
EVER+3.3V
VFD DRIVER CIRCUIT
40 VKK
SW-10V
1 2 40 41
12 50
SEG 1-20
38 69
ND401
FLUORESCENT
INDICATOR
4 71
TUBE
DIG 1-7
11 77
3-13
SYSRST 7
14
/CS
SI 15
SO 16
/SC 17
/AMUTE 23
24
/VMUTE
BUSY 27
PCONT 26
37
POWER
O/C 35
IC 404
R431 R430
IF CON
34
AD1
Except NS52P
S405 S404 S403
36
AD2
S407
2
XIN
X401
8MHz
3
XOUT
CN401
SW-10V
15
EVER+5V
13
SW+3.3V
11
SYSRST
2
XIFCS
4
SOO
7
SIO
6
SCO
9
A-MUTE
14
V-MUTE
10
XIFBUSY
5
PCONT
12
POWER-SWITCH
16
OPEN/ OPEN/
S401 S409
CLOSE CLOSE
Except NS52P NS52P only
R429
NS52P only
S408
S402
R428
S406 S410
Except NS52P NS52P only
3-14E
DVP-NS50P/NS41P/NS52P
SYSTEM CONTROL
(SEE PAGE 3-5 to 3-6)