Sony DVP-NS425P Service Manual ▷ View online
DVP-NS425P
B
A
1
2
4
3
B
A
1
2
4
3
4-25
4-26
SW-413 (SWITCH) PRINTED WIRING BOARD
•
: Uses unleaded solder.
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
For printed wiring board
SWITCH
SW-413
SW-413 BOARD A SIDE
SW-413 BOARD B SIDE
SW-413 BOARD
A SIDE
IC820
A-1
D811
A-1
AF-99 board
(AUDIO/VIDEO OUT)
(AUDIO/VIDEO OUT)
MB-113 board
(SERVO DRIVE &
SYSTEM CONTROL)
(SERVO DRIVE &
SYSTEM CONTROL)
SW-413 board
(SWITCH)
(SWITCH)
Power board
MS-161 board
(LOADING MOTOR)
(LOADING MOTOR)
For Schematic Diagram
• Refer to page 4-25 for printed wiring board of SW-413 board.
SW-413 BOARD
SWITCH
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
SWITCH
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
1
A
B
C
D
E
2
7
6
5
4
3
DVP-NS425P
4-27
4-28
HS12S2U (SWITCHING REGULATOR) PRINTED WIRING BOARD
•
: Uses unleaded solder.
POWER BOARD (SW REG)
(HS12S2U)
(HS12S2U)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
For printed wiring board
SWITCHING REGULATOR
POWER BLOCK (HS12S2U)
C
B
A
1
2
8
7
6
5
4
3
POWER BLOCK
(HS12S2U)
(HS12S2U)
A SIDE
IC101
B-3
IC301
A-5
Q211
C-6
Q311
B-7
Q611
C-7
Q712
C-7
D101
C-2
D103
A-4
D104
A-3
D105
A-3
D211
C-6
D221
C-5
D311
B-5
D511
A-5
D611
B-5
AF-99 board
(AUDIO/VIDEO OUT)
(AUDIO/VIDEO OUT)
MB-113 board
(SERVO DRIVE &
SYSTEM CONTROL)
(SERVO DRIVE &
SYSTEM CONTROL)
SW-413 board
(SWITCH)
(SWITCH)
Power board
MS-161 board
(LOADING MOTOR)
(LOADING MOTOR)
DVP-NS425P
1
A
B
C
D
E
F
G
H
I
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
4-29
4-30
For Schematic Diagram
• Refer to page 4-27 for printed wiring board of HS12S2U board.
The components identified by
mark or dotted line with mark
mark or dotted line with mark
are critical for safety.
Replace only with part
number specified.
number specified.
Les composants identifiés par
une marque
une marque
sont critiques
pour la sécurité.
Ne les
remplacer que par une pièce
portant le numéro spécifié.
portant le numéro spécifié.
SWITCHING REGULATOR
POWER BLOCK (HS12S2U)
HS12S2U BOARD
SWITCHING REGULATOR
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
SWITCHING REGULATOR
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
DVP-NS425P
Pin No.
Pin name
Type
Function
1
IREF
Analog Input
Current reference input. It generates reference current for data PLL.
Connect an external 100K resistor to this pin and PLLVSS.
Connect an external 100K resistor to this pin and PLLVSS.
2
PLLVSS
Ground
Ground pin for data PLL and related analog circuitry
3
LPIOP
Analog Output
Positive output of the low pass filter
4
LPION
Analog Output
Negative output of the low pass filter
5
LPFON
Analog Output
Negative output of loop filter amplifier
6
LPFIP
Analog Input
Positive input of loop filter amplifier
7
LPFIN
Analog Input
Negative input of loop filter amplifier
8
LDFOP
Analog Output
Positive output of loop filter amplifier
9
JITFO
Analog Output
RF jitter meter output
10
JITFN
Analog Input
Negative input of the operation amplifier for RF jigger meter
11
PLLVDD3
Power
3.3V power pin for data PLL and related analog circuitry
12
FOO
Analog Output
Focus servo output. PDM output of focus servo compensator
13
TRO
Analog Output
Tracking servo output. PDM output of tracking servo compensator
14
TROPENPWM
Analog Output
Tray open output, controlled by microcontroller.
This is PWM output for TRWMEN27hRW2=1 or is digital output for
TRWMEN27hRW2=0
This is PWM output for TRWMEN27hRW2=1 or is digital output for
TRWMEN27hRW2=0
15
PWMOUT1
Analog Output
The 1st general PWM output
16
PWMOUT2
Analog Output
The 2nd general PWM output
17
DVDD2
Power
2.5V power pin for internal fully digital circuitry
18
DMO
Analog Output
Disk motor control output. PWM output
19
FMO
Analog Output
Feed motor control. PWM output
20
DVSS
Ground
Ground pin for internal fully digital circuitry
21
FG
Input
Motor Hall sensor input
22
HIGHA0
Inout
Microcontroller address 8
2~16MA, SR
PU
23
HIGHA1
Inout
Microcontroller address 9
2~16MA, SR
PU
24
HIGHA2
Inout
Microcontroller address 10
2~16MA, SR
PU
25
HIGHA3
Inout
Microcontroller address 11
2~16MA, SR
PU
26
HIGHA4
Inout
Microcontroller address 12
2~16MA, SR
PU
27
HIGHA5
Inout
Microcontroller address 13
2~16MA, SR
PU
28
DVSS
Ground
Ground pin for internal digital circuitry
29
HIGHA6
Inout
Microcontroller address 14
2~16MA, SR
PU
30
HIGHA7
Inout
Microcontroller address 15
2~16MA, SR
PU
31
AD7
Inout
Microcontroller address/data 7
2~16MA, SR
32
AD6
Inout
Microcontroller address/data 6
2~16MA, SR
33
AD5
Inout
Microcontroller address/data 5
2~16MA, SR
5-1. SYSTEM CONTROL PIN FUNCTION
(MB-113 BOARD IC201)
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