Sony DVP-LS755P Service Manual ▷ View online
DVP-LS755P
3-7
3-8
3-4. VIDEO BLOCK DIAGRAM
19
16
15
15
11
8
7
7
3
1
1
S VIDEO OUT
33
29
31
22
24
20
12
15
17
6
7
16
3
8
21
17
19
11
15
13
10
3
9
1
7
1
5
3
7
9
12
19
13
21
15
13
15
5
7
9
11
33
24
28
25
34
29
27
Y
C
COMPONENT
VIDEO OUT
P
B
/C
B
P
R
/C
R
Y
CN502
CN901
VIDEO BUFFER
SELECT SWITCH
IC901
C
Y
V
VIDEO IN
Y IN
C IN
MUTE1
MUTE2
Y IN
Y
Cb
Cr
Cb IN
Cr IN
Cr OUT
V
Y
C
R
G
B
SW2
SW1
MUTE2
MUTE3
MUTE1
B IN
G IN
R IN
C IN
Y IN
V IN
V/Y OUT
R/C OUT
G OUT
B OUT
VIDEO
J501 (1/2)
Q504, 505
WIDE SWITCH
Q573, 574
BUFFER
V/Y
R/C
G
B
D907
D938
D939
D902
Q909
IC502
ed
13
IC502
ea
14
IC502
wf
16
Q571, 572
BUFFER
IC502
w;
18
IC502
ws
17
IC502
wl
15
V/Y OUT
BLANKING OUT
R/C OUT
G OUT
FUNCTION SW OUT
B OUT
A (L) OUT
A (R) OUT
LINE
(RGB) -TV
CNJ902
11
Y
V
C
Y/G
Cr/B_Cr/R
Cb/R_Cb/B
DISCEXT
RGBSEL
WIDE
XV MUTE
EUROVY
30
12
Q901 –903
BLANKING SIGNAL
GENERATOR
V OUT
Y OUT
C OUT
Y/G OUT
Cb OUT
IC502
VIDEO BUFFER
D510
V
Y
C
Y/G
CB/B
CR/R
WIDE
XV_MUTE
EUROVY
RGBSEL
ERAUDIOL
ERAUDIOR
DISC/XEXT
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-6)
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-6)
INTERFACE
CONTROL
(SEE PAGE 3-12)
AUDIO
(SEE PAGE 3-10)
MV-044 BOARD (3/5)
(SEE PAGE 4-13)
2
20
ERAUDIOL
5
17
ERAUDIOR
05
ER-027 BOARD
(SEE PAGE 4-23)
Q906 –908
FUNCTION SIGNAL
GENERATOR
(COMPONENT OUT: ON)
(COMPONENT OUT: ON)
(COMPONENT OUT: ON)
IC901
(LINE: RGB mode)
1
34
IC901
(LINE: S VIDEO mode)
1
34
(LINE: RGB mode)
2
29
IC901
(LINE: RGB mode)
3
27
IC901
(LINE: VIDEO mode)
4
25
IC901
(LINE: S VIDEO mode)
4
25
IC901
2.4 Vp-p (H)
2.0 Vp-p (H)
1.8 Vp-p (H)
1.8 Vp-p (H)
1.4 Vp-p (H)
1.4 Vp-p (H)
1.4 Vp-p (H)
1.4 Vp-p (H)
1.4 Vp-p (H)
2.4 Vp-p (H)
2.0 Vp-p (H)
2.0 Vp-p (H)
DVP-LS755P
3-9
3-10
3-5. AUDIO BLOCK DIAGRAM
16
15
15
1
3
5
7
8
3
5
7
8
6
2
4
2
4
L
LINE OUT
R
D602
D603
SPDIF
IC207
IC601
AOUTR-
MCLK
SDTI
PDN
CSN
BICK
LRCK
CCLK
CDTI
DZFR
DZFL
MCLK
LRCK
BICK
CSN
SDTI
PDN
CCLK
CDTI
XMAMUTE
AOUTR
+
AOUTL+
AOUTL-
AUDIO AMP
AUDIO D/A CONVERTER
MUTE V
J501 (2/2)
OPTICAL
IC605
COAXIAL
XA_MUTE
+
–
+
–
–
D IN
11
12
12
10
9
2
3
3
5
6
6
1
7
1
MV-044 BOARD (4/5)
(SEE PAGE 4-12, 15)
SYSTEM CONTROL/
SIGNAL PROCESSOR
(SEE PAGE 3-6)
INTERFACE
CONTROL
(SEE PAGE 3-12)
Q602, 604, 605
MUTE DRIVER
Q606, 609, 610
MUTE DRIVER
Q607
MUTE
Q608
MUTE
Q611
BUFFER
DIGITAL
OUTPUT
OUTPUT
ERAUDIOR
ERAUDIOL
VIDEO
(SEE PAGE 3-7)
POWER 2
(SEE PAGE 3-16)
DVP-LS755P
3-11
3-12
3-6. INTERFACE CONTROL BLOCK DIAGRAM
8
/RESET
11 IR
1
VOUT
IC408
RESET
1
VOUT
IC101
REMOTE COMMANDER
RECEIVER
ND101
LCD UNIT
IC404
IF CON
24
/VMUTE
23
/AMUTE
17
SCO
16
SO
15
SI
14
/CS
7
SYSRST
22
OCSW1
4
9
13
12
10
7
8
5
10
5
1
CN201
CN402
2
4
7
6
9
XIFBUSY
XV_MUTE
XA_MUTE
SCO
SIO
SO0
XIFCS
SYSRST
OCSW1
IFBUSY
XV_MUTE
XA_MUTE
SCO
SIO
SO0
XIFCS
SYSRST
OCSW1
SYSRST
27
BUSY
2
X401
8MHz
XIN
3
XOUT
IF-117 BOARD
(SEE PAGE 4-27)
LC-082 BOARD
(SEE PAGE 4-32)
MV-044 BOARD (5/5)
(SEE PAGE 4-11)
RF/SERVO
(SEE PAGE 3-4)
VIDEO
(SEE PAGE 3-7)
AUDIO
(SEE PAGE 3-10)
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-6)
18 DATA
19 SCK_LCD
20 STB
34 PLAY
35 O/C
36 STOP
80 PROG LED
77 BL1
IR
DATA
SCK_LCD
STB
PLAY
O/C
STOP
LED2
LED1
3
8
6
CN403
12
1
2
10
11
9
3
8
6
CN102
12
1
2
10
11
9
8
DATA
7
SCK
6
STB
S103
S101
S104
S105
S106
S102
D102
PROGRESSIVE
indicator
D101
(BACKLIGHT)
05
Q401, 402
LED
DRIVE
3
11
IC404
1
3
3.5 Vp-p (8 MHz)
DVP-LS755P
3-13
3-14
3-7. POWER 1 BLOCK DIAGRAM
Q203
1
CN201
T101
D202
D204
AC IN
F101
CN101
D205
PC101
PHOTO COUPLER
4
5
10
8
9
3
L
N
Q201
L101
LINE
FILTER
D201
Q202
POWER
CONTROL
L205
D208
L202
L201
IC201
IC101
SHUNT REG
CP202
L203
Q204
POWER SUPPLY BLOCK
(SWITCHING REGULATOR)
(SEE PAGE 4-35)
(SEE PAGE 4-35)
05
D101-D104
G
D
S
SW201
I /
EVER+11V
SW+8V
EVER+5V
SW+3.3V
EVER–10V
P-CONT
POWER SW
6
SW+5V
SWITCHING
CONTROL
POWER 2
(SEE PAGE 3-15)
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