Sony DVP-NS325 / DVP-NS725P Service Manual ▷ View online
17
2-10. VISTAS INTERNAS
MS128 MONTADA
VISTA SUPERIOR
VISTA INFERIOR
Unidade Ó ptica
(KHM-290AAA)
A6061908A
(KHM-290AAA)
A6061908A
DVP-NS325/NS725P
18
2-11. LOCALIZAÇ Ã O DAS PLACAS DE CIRCUITO
Placa AF-98
(AUDIO/VIDEO OUT)
(AUDIO/VIDEO OUT)
Placa MB-108
(DVD/OD RF AMP, SERVO,
MOTORMDRIVE, AD DECODER,
SYSTEM CONTROL,
AUDIO ADC, PLL)
(DVD/OD RF AMP, SERVO,
MOTORMDRIVE, AD DECODER,
SYSTEM CONTROL,
AUDIO ADC, PLL)
Palca SW-384
(SWITCH)
(SWITCH)
Placa MS-128
(motor de carregamento)
Placa Power
DVP-NS325/NS725P
DVP-NS325/NS725P
SEÇ Ã O 3
DIAGRAMAS EM BLOCO
3-1. DIAGRAMA EM BLOCO - VISAO GERAL
19
PLACA POWER (FONTE)
PLACA AF-098
MB-108 BOARD BASE DA UNIDADE
SERVICE ASSY KHM-290AAA
PLACA MS-128
PLACA SW-384
PLACA ER-21
SWITCHING
REG
REG
IC474
AC IN
TRANSFORMER
PHOTO
COUPLER
COUPLER
SHUNT
REGULATOR
REGULATOR
P CONT
POWER
IC103
-5G REG
SW+3.3V
SW+1.8V
SW+3.3V
SW-15.5V
SW+5V
SW+5V
EVER+3.3V
SW+11V
SW+11V
REG
IC404, 405
16M SDRM
IC601
AUDIO
D/A CONVERTER
SERIAL BUS
J104(1/2)
LINE
OUT
OUT
L
AUDIO
R
IC101
EEPROM
R,G,B
V,Y,C
CN902
IC408
RESET
ND401
FLORESCEND
IN DICATOR
TUBE
IC820
REM
COM
RECEIVER
COM
RECEIVER
FUNCTION
KEY
KEY
IC403
AVDECODER
IC104
SYSTEM
CONTROL
IC303
16M DRM
RF
SIG 0
SIG 0-7
COUNT, CDDATA,
CDBACK, CDDLRCK
IC106
FLASH
MEMORY
OPTICAL DEVICE
DVD/CD
PD IC
FOCUS
COIL
TRACKING
COIL
INLIMIT
SENSOR
SPINDLE
MOTOR
MOTOR
SLED
MOTOR
MOTOR
IC202
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
LOADING
MOTOR DRIVE
IC901
VIDEO
SELECT
LINE 1
(RGB)-TV
BUFFER
SWITCH
IC102
VIDEO
BUFFER
J103
OPTICAL
J201
DIGITAL OUT
IC404
IF CON
IC204
CHUCK/TRAY
DETECT
S001
M
—
M001
LOADING
MOTOR
LOADING
MOTOR
M
—
M
—
S.VIDEO OUT
J104(2/2)
VIDEO OUT
COMPONENT
VIDEO
OUTPUT
PARALLEL BUS
SP DIF
J102
Y
P
B
P
R
IC201
DVD/CD RF AMP
SERVO
ERROR
PROCESS
IC301
ARP
SERVO DSP
IC201
AUDIO
AMP
IC503
IC473
REG
IC504
IC502
*
NS725P
DVP-NS325/NS725P
3-2. DIAGRAMA EM BLOCO - CONTROLE DO SISTEMA
20
17
62
67
48
18
57
82
63
56
36
15
9
15
10
20
76
51
83
7
39
26
27
38
25
7
6
5
70
58
71
46
16
81
47
60
61
49
50
8
7
1 – 5 102 – 109 111 – 118 120
85 – 100
14
PLACA MB-108 (1/6)
IC106
IC104
SYSTEM
CONTROL
32M FLASH
IC108
1M SRAM
IC103
PLL
IC101
EEPROM
HD 0 – 15
HA 0 – 21
PROCESSADOR DE SINAL
XARPIT
XARPCS
XWAIT
HA0 – 21
HA1 – 21
HD0 – 15
HD0 – 15
CS0X
SO0
SCO
SI0
INTERFACE
CONTROL
SI0
SO0
SC0
XIFCS
XIFBUSY
XIFBUSY
XFRRST
MA MUTE
XRST
INT4
XFRRST
XIFCS
MA MUTE
48/44.1k
54
53
X101
16.5MHz
XDRVMUTE
INT2
WIDE
CS5X
CKSW1
XDRVMUTE
XSDPIT
OCSW1
XLDON
XSDPCS
CKSW1
DREQ0
INTO
DACK0
CS2X
CS3X
DREQ1
DACK1
DREQ0
XAVDIT
DACK0
XAVDCS2
XAVDCS3
DREQ1
DACK1
VIDEO/AUDIO
PROCESSADOR DE SINAL
RF/SERVO
05
33MARP
512FSAVD
X102
27MHz
33-1OUT
FSEL
512FS2CH
XFRRST
59
CS1X
72
XWRL
84
SRAMWE
29
SO1
SO1
30
SC1
SC1
79
XDACS
XDACS
INT1
CS4X
XWAIT
35
XRST
XRST
VIDEO/AUDIO
XRST
SCL
SDA
XRST
XRD
XWRH
512-2OUT
512-1OUT
XTI
XTO
3
27MAVD
27-1OUT
X1
X0
HD 0 – 15
HA 0 – 21
XRD
XWRH
3
CN101
5
6
8
4
1
WP
SCL
SDA
OCSW1
SCL
SDA
WP
IPSW
WIDE
AN3
XARPRST
AUDIO/VIDEO
HA 0 – 21
HD 0 – 15
IC107
OTP
or
60nsec
3.3Vp-p
IC104
tf
5
1.17msec
3.3Vp-p
IC103
3
1
42nsec
3.3Vp-p
IC103
9
q;
3
38nsec
3.3Vp-p
IC103
8
2
30nsec
3.3Vp-p
IC103
qg
4
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