Sony DVP-NS775V / DVP-NS780V Service Manual ▷ View online
2-6
DVP-NS775V/NS780V
2-9. INTERNAL VIEWS
MS-203 MOUNT
Optical Device
(KHM-310
AAA/C2RP)
TOP VIEW
BOTTOM VIEW
2-7
DVP-NS775V/NS780V
2-10. CIRCUIT BOARDS LOCATION
PL-035 board
(POWER SWITCH)
(POWER SWITCH)
IF-115 board
(INTERFACE)
(INTERFACE)
AV-086 board
(VIDEO, AUDIO)
(VIDEO, AUDIO)
MB-117 board
(SYSTEM, SERVO,
8ch DAC, PS-TROUGH)
(SYSTEM, SERVO,
8ch DAC, PS-TROUGH)
Power board
DVP-NS775V/NS780V
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1
3-2
IC201
FOCUS
TRACKING
COIL DRIVE,
SPINDLE/SLED
/LOADING
MOTOR DRIVE
IC102
SYSTEM CONTROL
AV DECODER
SERVO DSP
RF AMP
IC103
EEPROM
IC301
8ch AUDIO D/A
CONVERTER
IC201/202/203
AUDIO AMP
J101
2ch AUDIO OUT
J201
5.1ch AUDIO OUT
IC301
OPTICAL OUT
J301
COAXIAL OUT
J101
COMPOSITE OUT
J102
S-VIDEO OUT
J103
COMPONENT OUT
IC103
VIDEO AMP
IC303
AUDIO AMP
MB117 BOARD
IC104
SDRAM
IC101
Flash ROM
SPDIF
I2C
INLIMIT
SENSOR
SENSOR
FOCUS
COIL
COIL
TRACKING
COIL
COIL
SPINDLE
VIDEO OFF
SW-10V
SW+5V
EVER+11V
MUTE+5V
AV086 BOARD
SLED
LOADING
SECOND
AR
Y
TRANS
FORMER
PRIMARY
PL &
POWER SW
PS401
EVER-10V
SW+8V
SW+5V
SW+3.3V
SW+5V
EVER+11V
EVER+5V
P-CONT
SW+3.3V
SW+8V
PS402
ND401
DISPLAY
IC408
RESET
IC401
REG
EVER+3.3V
KEY
FUNCTION
Notes:
MB117 mounted PWB must be replaced
if IC103(EEPROM) is damaged or not functioning.
The old MB117 mounted PWB must be completely
destroyed before disposal, as required by CPRM-key regulation.
TRAY
DETECT
DETECT
M
M
M
BASE UNIT
SWITCHING
REGULATAR
REGULATAR
PL035 BAORD
IF115 BOARD
IC404
IF MICON
DVP-NS775V/NS780V
3-2. SYSTEM CONTROL/SIGNAL PROCESSOR BLOCK DIAGRAM
3-3
3-4
145
146,147,149~151,158~160
IC101
IC102 (1/2)
CXD9804R
MICROPROCESSOR
AVDECODER
SERVO DSP
32M ROM
IC104
64M SDRAM
RAO~RA11
53~61,67~72,74~76,78,89,92,93
AO~A20
115,117,118,120,121,123~126,128~133,135
RDO-RD15
81~84,86~88,91
HDO – HD7
DQM1
DQMO
BA1
SCL
SDA
113 137
143
BA0
140
RAS
139
CAS
138
RWE
142
RCS
156
RCLK
157
CKE
101
110
100
99
98
105
IFSCK
IFSDO
IFBSY
66
77
79
IOWR
IOCS
IOOE
IFSDI
PRST
XIFCS
ACLK
SPDIF
ASDATAO
XRST
MAMUTE
MAMUTE
ASDATA1
51
218
220
225
217
215
SPDIF
ASDATAO
ACLK
ABCK
ALRCK
214
213
ABCK
ALRCK
MAMUTE
ASDATA1
ASDATA2
C
V MUTE
Y
V
Y/G
CB/B
CB/B
CR/R
WIDE
219
196
194
198
200
202
203
171
ASDATA2
ASDATA3
222
ASDATA3
C
Y
CVBS
Y/G
CB/B
CR/R
WIDE
229
228
XTALI
XTALO
XRST
102
103
6
5
IC103
EEPROM
SCL
SDA
SCL
SDA
AUDIO (1)
(SEE PAGE 3-7 to 3-8)
IC102 C/BAR PB
8
IC102 C/BAR PB
9
IC102
10
IC102
11
202
203
200
198
199
196
IC102 C/BAR PB
7
IC102 C/BAR PB
6
IC 108
RESET IC
CN 106
CN 403
1
MB-117 BOARD
(SEE PAGE 4-7 to 4-8)
TO AV-086
AUDIO (1)
(SEE PAGE 3-7 to 3-8)
TO AV-086
VIDEO
(SEE PAGE 3-11 to 3-12)
IFBSY
IFSCK
IFSCK
IFSDO
XIFCS
IFSDI
XSYSRST
V MUTE
XSYSRST
V MUTE
A MUTE
TO IF 115
INTERFACE
(SEE PAGE 3-13 to 3-14)
A_MUTE
TO AV-086
AUDIO (2)
(SEE PAGE 3-9 to 3-10)
13
16
11
15
9
7
5
6
9
5
7
4
6
2
10
11
2
0.7Vp-p
27MHz
3.3Vp-p
IC102
12
228
63.5usec
0.7Vp-p
63.5usec
1Vp-p
63.5usec
0.7Vp-p
63.5us
1Vp-p
63.5usec
1Vp-p
63.5usec
IC102
17
215
3.3Vp-p
24MHz
IC102
16
156
3.3Vp-p
110MHz
CN 301
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