Sony DVP-LS785V Service Manual ▷ View online
DVP-LS785V
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
DIGITAL OUT
J301
COAXIAL OUT
J101
COMPOSITE OUT
J102
S-VIDEO OUT
J103
COMPONENT OUT
IC103
VIDEO AMP
IC101
VIDEO AMP
J103
Scart OUT
ER032 BOARD
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 MB11
7 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
PL038 BAORD
IF120 BOARD
IC404
IF MICON
DVP-LS785V
3-3
3-4
3-2. POWER (1) BLOCK DIAGRAM
1
7
IN
OUT
OUT
D403
Q403, 404
PS402
CN401
SW+5V
FL401
FILTER
FL402
PS401
Q401,
402
FILTER
FL403
FILTER
SW+3.5V
SW+8V
AC IN
CN101
F101
1
2
L101
LINE
LINE
FILTER
L102
LINE
LINE
FILTER
D101-104
IC101
SWITCHING
CONTROL
D107
L211
D211
L312
P311
Q611
VR301
P312
Q311
L312
D311
D311
L411
D411
PC101
PHOTO COUPLER
T101
IC611
SHUNT REG
D511
L512
Q211
IC612
SHVNT REG
3
EVER+11V
SW+8V
EVER+5V
EVER-10V
SW+5V
SW+3.5V
POWER CONTROL
CN402
CN401
SW+5V
SW+3.5V
6
5
1
4
10
8
5
6
16
7
3
8
5
6
10
7
1
3
4
5
6
1
5
3
CN106
CN402
4
2
7
3
12
2
3
11
5
12
26
30
VOFF
IC404
IF CON
PCONT
VKK
D406-D409
Q403,404
T401
DC/DC
CONVERTER
IC408
D402
PROGRESSIVE
RESET
REMOTE
COMMANDER
RECEIVER
IC406
F1
F2
*N401
FLUORESCENT
INDICATOR TUBE
PONCHK
GN201
EVER+3.3V
SW+3.5V
SW+5V
SW
-10V
V-
O
F
F
P-CONT
P-CONT
3.3V_MNT
CN302
V-OFF
SW-10V
MUTE+5V
SW+5V
EVER+11V
CN403
3.3V REG
IC401
MB-117 BOARD (4/4)
(SEE PAGE 4-13 to 4-14)
POWER BLOCK
(SRV1578WW)
(SRV1578WW)
(SEE PAGE 4-37 to 4-38)
IF-115 BOARD
(SEE PAGE 4-17 to 4-18)
7
1
D206
CN201
CN403
SACD
D204
MULTI
CHANNEL
PL-035 BOARD
(SEE PAGE 4-21 to 4-22)
POWER (3)
(SEE PAGE 3-7 to 3-8)
POWER (3)
(SEE PAGE 3-7 to 3-8)
DVP-LS785V
3-5
3-6
3-3. POWER (2) BLOCK DIAGRAM
1.8V REG
IC106
IC201
8CH
D/A CONVERTER
SW+5V
CN301
22
A+5V
SW+3.5V
SW+8V
IC201
MOTOR
DRIVER
FL101
FILTER
11
CN101
VCC
OPTICAL
DEVICE
IN LIMIT
SENSOR
LIMIT
CN201
4
IC104
64M SDRAM
IC108
RESET IC
FL108
FILTER
IC101
32M Flash
IC103
EEPROM
FL104
IC102
SYSTEM CONTROL
AV DECODER
SERVO DSP
RF AMP
FILTER
IC105
3.3V REG
IN
OUT
1
3
IN
OUT
5
4
IN
OUT
5
4
FL106
FILTER
FILTER
IC107
3.3V REG
FL107
RF1.8V
RF3.3V
POWER (3)
(SEE PAGE 3-7 to 3-8)
MB-117 BOARD (1/4, 2/4, 3/4)
(SEE PAGE 4-7 to 4-12)
DVP-LS785V
3-7
3-8
3-4. POWER (3) BLOCK DIAGRAM
7
L301
Q312
Q310
D302
Q104
IC101
L101
Q103
Q102
IN
2
3
OUT
-5U REG
6
2
1
2
1
2
3
3
5
3
MUTE+5V
EVER+11V
SW-10V
SW+5V
V-OFF
CN201
SW+5V
SW
-5V
EVER+11V
L101
D104
Q115
Q116
IC101
VIDEO
AMP
RY101
RY102
RY103
RY104
IC103
IC302
IC303
AUDIO AMP
IC201
5 CH FRONT
AUDIO AMP
IC202
5 CH REAR
AUDIO AMP
IC203
MUTE V
MUTE V
5 CH
CENTERWOOFER
AUDIO AMP
+5V REG
1
4
3
IC301
OPTICAL
DIGITAL
OUT
OPTICAL
DIGITAL OUT
VIDEO
AMP
VIN
VOUT
A+SV
ER-032 BOARD
AV-086 BOARD (1/3)
(SEE PAGE 4-17 to 4-22)
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