Sony DVP-NS425P Service Manual ▷ View online
DVP-NS425P
3-9
3-10
3-5. VIDEO BLOCK DIAGRAM
15
19
17
21
23
25
14
24
33
29
31
22
24
20
12
15
17
6
7
16
3
8
Y
C
J103
COMPONENT
VIDEO OUT
J102
Y
P
B
P
R
CN202 (1/2)
16
Y/G
Cb/R
Cr/B
C
Y
V
CN203 (1/2)
C
Y
V
VIDEO BUFFER
VIDEO IN VIDEO OUT
Y OUT
Y IN
C IN
C OUT
MUTE1
MUTE2
Y IN
Y OUT
Y
Cb
Cr
Cb IN
Cr IN
Cb OUT
Cr OUT
IC102
VIDEO
LINE OUT
S VIDEO OUT
Q104, 105
WIDE SWITCH
AF-099 (1/4)
(SEE PAGE 4-9 to 4-10)
H
2.5Vp-p
IC102 ed
1
H
1.8Vp-p
IC102 ea
2
H
2.0Vp-p
IC102 wl
3
H
2.0Vp-p
IC102 wf
4
H
1.4Vp-p
IC102 w;
6
H
1.4Vp-p
IC102 ws
5
SIGNAL
PROCESSOR
SYSTEM
CONTROL
(SEE PAGE 3-3)
DVP-NS425P
3-11
3-12
3-6. INTERFACE CONTROL BLOCK DIAGRAM
17
16
15
27
14
23
3
24
7
2
11
80
37
47
69
77
71
34
12
5
11
1
4
3
8
6
5
VIDEO
VIDEO
IC404
IF CON
IC408
RESET
CN401
SC0
SI0
SO0
XIFBUSY
XIFCS
MTRST
/SC
SO
SI
BUSY
/CS
/FRRST
16
A MUTE
VMUTE
/AMUTE
/VMUTE
IR
DVD LED
POWER
SEG 1 – 23
DIG 1 – 7
X401
8MHz
ND401
FLUORESCENT
INDICATOR TUBE
POWER
CN471
SWITCHING REGULATOR
SC0
SI0
SO0
XIFBUSY
XIFCS
MTRST
34
AD1
AD1
O/C
SW-413
BOARD
AD2
IR
35
O/C
36
AD2
XIN
XOUT
1
VOUT
8
/RST
4
7
9
5
2
1
SURROUND
PROGRESSIVE
SELECT
R807
R823
S808
S809
S803
S801
OPEN
S805
S802
R802
R803
R804
R805
O/C
AD1
1 OUT
AD2
IR
AF-099
(IF)
CN 802
CN 406
REMOTE COMMANDER
RECEIVER
IC 820
PROG LED
PROG LED
S807
D811
3-3V
6
8
3
1
5
AF-099 BOARD (4/4)
(SEE PAGE 4-15 to 4-16)
SW-413 BOARD
(SEE PAGE 4-29 to 4-30)
S816
125nsec
3.9Vp-p
IC404 3
7
DVP-NS425P
3-13
3-14
3-7. POWER BLOCK DIAGRAM (1/2)
SWITCHING REGULATOR
(HS12S2U)
T101
POWER
TRANSFORMER
AC IN
CN101
F101
L101
LINE
FILTER
D101
IC101
SWITCH
D611
D511
PC101
PHOTO COUPLER
IC301
SHUNT REG
L511
P611
D311
L311
D211
P311
Q211
L211
L221
Q311
Q611
SW+3.5V
EVER+5V
EVER-15.5V
TO AF-099
(PAGE 4-9 to 4-16)
(PAGE 4-9 to 4-16)
P-CONT
POWER
SW+5V
SW+8V
EVER+8V
L611
Q712
POWER
CONTROL
SW201
POWER
1
9
2
11
10
12
13
5
•
6
(SEE PAGE 4-29 to 4-30)
DVP-NS425P
3-15
3-16E
3-8. POWER BLOCK DIAGRAM (2/2)
TO POWER BLOCK
(PAGE 3-13 to 3-14)
(PAGE 3-13 to 3-14)
PS472
PS471
CN801
CN406
8
30
26
5
37
39
78
RST
PONCHIK
PCONT
VDD
POWER
VREF
VCC
+8V
+5V
+3.5V
3.3MNT
CN401
CN201
CN205
SW-15.5V
EVER+3.5V
7
1
3
4
CN400
+5V
+3.5V
+8V
IC474
3.5V REG
IC408
RESET IC
Q472, 473
CN471
13
2
11
12
10
9
1
3
7
EVER+8V
EVER-15.5V
EVER+5V
SW+5V
SW+8V
SW+3.5V
P-CONT
POWER
AF-099 BOARD (3/4)
(SEE PAGE 4-9 to 4-16)
MB-113 BOARD (2/2)
(SEE PAGE 4-21 to 4-22)
SW-413
BOARD
BOARD
5
•
6
IC820
REMOTE
COMMANDER
RECEIVER
IN
OUT
IC203
+5V REG
MUTE A
D201
Q203, 216
Q201
3
1
IN
OUT
IC103
-5V REG
2
3
IC102
VIDEO
BUFFER
IC201
AUDIO AMP
IC404
IF CON
IC407
FLOREGULATOR
4
CN203
3
7
1
ND401
1
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