Sony DVP-LS755P Service Manual ▷ View online
DVP-LS755P
4-24
4-23
EURO AV
ER-027
ER-027 (EURO AV) SCHEMATIC DIAGRAM
• See page 4-21 for printed wiring board.
B-
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
NO MARK:DVD/CD PLAY
1
2
3
4
4.7
0.3
0.6
0.6
0.9
3.3
-1.1
0.6
3.3
0.5
-5
-5
1.1
0
0.6
0.6
0.2
0.3
3.3
0.5
3.3
0.5
0.5
0.6
11.3
11.3
0.1
3.3
0
11.3
4.8
0.1
4.8
0.6
3.3
0.1
3.3
0.6
JL926
JL939
JL923
JL941
JL948
JL924
JL918
JL930
JL925
JL935
JL949
JL928
JL936
JL934
JL945
JL931
JL927
JL943
JL921
JL938
JL950
JL929
JL937
JL919
JL947
JL944
JL946
JL933
JL932
JL917
JL922
JL920
JL942
68
R928
R964 XX
470
R924
R906
XX
R960
XX
75
R929
330
R910
R962
XX
1200
R914
R930
3.3
XX
R936
R920
0
R921
0
1800
R907
68
R918
22k
R950
68
R927
220
R922
R905
XX
1200
R917
220
R915
330
R909
R931
3.3
330
R911
XX
R956
47
R939
470
R926
R965
XX
220k
R908
1200
R916
330
R912
22k
R963
XX
R944
R919
0
R923
XX
1SS355TE-17
D939
1SS355TE-17
D901
1SS355TE-17
D902
1SS355TE
D938
-17
DAP202K-T-146
D907
HZM6.8ZWA1TL
D932
HZM6.8ZWA1TL
D935
XX
D936
HZM6.8ZWA1TL
D934
D933
HZM6.8ZWA1TL
XX
D937
UDZSTE-176.2B
D929
UDZSTE-1713B
D930
FB911
FB907
FB910
R957
FB909
R958
FB908
C903
XX
16V
C904
47u
16V
47u
C907
16V
47u
C905
C901 XX
16V
C906
47u
C902
XX
CNJ902
21P
A(R)OUT
1
A(R)IN
2
A(L)OUT
3
GND(A)
4
GND(E)
5
A(L)IN
6
B_OUT
7
FUNCTION_SW_OUT
8
GND(E)
9
AVLINKO
10
G_OUT
11
N.C.
12
GND(E)
13
GND(E)
14
R/C_OUT
15
BLANKING_OUT
16
GND(E)
17
GND(E)
18
V/Y_OUT
19
V_IN
20
GND(E)
21
C945
100p
100p
C943
100p
100p
100p
C963
100p
C962
0.22u
C913
0.22u
C914
MUN2111T1
Q907
MUN2111T1
Q903
XX
R913
MUN2213T1
Q906
UN2211-TX
Q908
Q901
MUN2213T1
MUN2213T1
Q902
MUN2213T1
Q909
LA73052-TLM-E
IC901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
21
20
L905
100uH
21P
CN901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
NC
DCCNT2
EUROVY
WIDE
ERAUDIOR
V_IN
SW2
ERAUDIOL
RGBSEL
Cb/R_Cb/B
MUTE2
Cr/B_Cr/R
G_OUT
NC
G_IN
GND
V/Y_OUT
B_IN
MUTE3
DISC/XEXT
SW1
R_IN
Y
D_GND_VIDEO
Y/G
NC
GND
NC
VIDEO-5V
Y_IN
GND
MUTE1
-5V
V
R/C_OUT
NC
SW+5V
C_IN
DCCNT1
DCCNT3
+11V
NC
+5V
NC
-5V
XV_MUTE
P_GND_AUDIO
NC
C
B_OUT
GND
NC
NC
NC
LINE(RGB)-TV
7
A
CN502
4
B
D
XX MARK:NO MOUNT
ER-027 BOARD
C
5
6
2
(3/5)
F
E
05
(SEE PAGE 4-13)
1
3
J
H
I
G
10
12
14
8
9
13
16
15
17
11
VIDEO BUFFER
IC901
SELECT SWITCH
GENERATOR
SIGNAL
BLANKING
Q901-903
GENERATOR
FUNCTION
SIGNAL
Q906-908
SWITCH
MV-044 BOARD
AUDIO
SIGNAL PATH
SIGNAL
VIDEO SIGNAL
Y
CHROMA
PB
Y/CHROMA
D_GND_VIDEO
D_GND_VIDEO
D_GND_VIDEO
•
Waveforms
1
IC901
ef
(LINE: RGB mode)
1.4 Vp-p (H)
1
IC901
ef
(LINE: S VIDEO mode)
1.8 Vp-p (H)
2
IC901
wl
(LINE: RGB mode)
1.4 Vp-p (H)
3
IC901
wj
(LINE: RGB mode)
1.4 Vp-p (H)
4
IC901
wg
(LINE: VIDEO mode)
2.4 Vp-p (H)
4
IC901
wg
(LINE: S VIDEO mode)
2.0 Vp-p (H)
DVP-LS755P
4-25
4-26
IF-117 (INTERFACE CONTROL) PRINTED WIRING BOARD
: Uses unleaded solder.
INTERFACE CONTROL
IF-117
There are a few cases that the part isn't mounted in this model is printed on this diagram.
C411
C412
C413
C415
C418
C420
C423
C430
JL452
R407
R409
R410
R411
R412
R416
R417
R418
R419
R422
R428
R429
R430
R431
R432
R434
R435
R437
R438
R442
R443
R445
R452
R471
R472
R474
R475
R489
R490
R491
R492
R493
R494
R495
R496
R497
R498
IC408
1
80
24
25
40
41
65
64
IC404
C
E
B
Q401
C
E
B
Q402
JL402
JL403
JL404
JL405
JL406
JL407
JL408
JL409
JL410
JL414
JL420
JL417
JL418
JL419
JL421
JL422
JL424
JL423
JL426
JL425
JL428
JL430
JL429
JL431
JL433
JL432
JL434
JL435
JL436
JL437
JL438
JL439
JL440
JL441
JL442
JL444 JL445
JL446
JL453
JL480
JL454
JL467
JL466
JL479
JL465
JL481
JL482
JL483
JL484
JL485
JL486
JL487
JL488
JL492
JL489
JL494
JL491
JL495
JL496
JL497
JR401
JR403
JR412
JL447
JR409
JR410
R499
JR416
JR417
JL448
JR411
JL449
JR418
JR421
JR420
JR422
JR415
R408
R413
R414
R415
JL450
JL451
C401
CN401
1
4
CN403
ET471
ET472
X401
C406
JW424
CN402
2
1
13
JW423
JW417
JW401
JW402
JW403
JW404
JW405
JW406
JW418
JW413
JW412
JW410
JW421
JW422
JW420
JW411
JW414
JW415
JW419
JW409
JW408
JW416
JW407
D
C
B
A
1
2
3
4
5
6
7
05
IF-117 BOARD
1-862-755-
(11)
11
8
9
10
11
1
2
3
IF-117 BOARD
CN401
C-10
CN402
C-6
CN403
C-8
IC404
B-3
IC408
B-10
Q401
B-10
Q402
B-11
IF-117 board
(INTERFACE CONTROL)
(INTERFACE CONTROL)
ER-027 board
(EURO AV)
(EURO AV)
MV-044 board
(RF AMP, SIGNAL PROCESS,
SERVO, MOTOR DRIVE, AVDEC,
VIDEO, AUDIO, PS THROUGH)
(RF AMP, SIGNAL PROCESS,
SERVO, MOTOR DRIVE, AVDEC,
VIDEO, AUDIO, PS THROUGH)
LC-082 board
(FUNCTION SWITCH)
(FUNCTION SWITCH)
MS-214 board
(LOADING MOTOR)
(LOADING MOTOR)
Power supply block
(SWITCHING REGULATOR)
(SWITCHING REGULATOR)
DVP-LS755P
4-28
4-27
IF-117 (INTERFACE CONTROL) SCHEMATIC DIAGRAM
• See page 4-25 for printed wiring board.
INTERFACE CONTROL
IF-117
B+
B+
B+
B+
B+
B+
B-
B+
B+
B+
B+
B+
NO MARK:DVD/CD PLAY
1
:RUSSIAN
:AEP,UK
RUSSIAN
∗
:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
2.9
∗
1.5
0
3.3
0
0.1
3.3
3.3
3.2
3.3
3.3
0
3.3
1.7
3.3
0.2
3.3
0.2
3.2
3.2
3
0.2
0
0.1
3.3
3.3
3.1
2.5
2.6
0.6
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
3.3
0.4
3.3
0.4
3.3
-3.1
-3.2
3.3
3.3
X401
8MHz
1
2
3
ET471
ET472
JL419
JL431
JL467
JL465
JL437
JL409
JL410
JL424
JL420
JL433
JL402
JL453
JL428
JL430
JL435
JL408
JL426
JL422
JL479
JL436
JL414
JL421
JL434
JL416
JL492
JL490
JL489
JL491
JL488
JL481
JL487
JL486
JL485
JL484
JL483
JL482
JL480
JL466
JL403
JL404
JL405
JL406
JL407
JL417
JL418
JL423
JL425
JL429
JL432
JL454
JL494
JL495
JL496
JL497
JL438
JL439
JL440
JL441
JL442
JL444
JL445
JL446
JL447
JL448
JL449
JL450
JL451
JL452
JL443
0.01u
C420
XX
C413
0.01u
C411
0.001u
C415
0.01u
C418
0.01u
C423
C430
0.01u
XX
C412
10k
R416
0
R411
R412
XX
10k
R417
120
R418
R442
100
0
R409
10k
R419
10k
R430
100
R443
100
R445
R431 XX
100
R428
33
R407
10k
R429
0
R410
10k
R432
R471
470
10k
R474
R452 10k
10k
R475
10k
R435
10k
R434
R438 22k
R437
R489
10k
XX
R490
R491
XX
10k
R492
R493
XX
10k
R494
R495
XX
10k
R496
R497
XX
10k
R498
R499
4700
4700
10k
R472
0
R413
0
R414
0
R415
0
R408
XX
C401
XX
C406
IC404
86CK74AFG-5GJ1(M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
100k
R422
Q401
UN2211-TX
S-80828CNUA-B8NT2G
IC408
1
VOUT
2
VCC
3
GND
13P
CN402
1
POWER_SW
2
P-CONT
3
XA_MUTE
4
XV_MUTE
5
SCO
6
GND
7
SOO
8
SIO
9
IFBUSY
10
XIFCS
11
3.3V_MNT
12
SYSRST
13
OCSW1
Q402
UN2113-TX
4P
CN401
1
GND
2
SW+3.3V
3
SW-10V
4
EVER+3.3V
12P
CN403
1
DATA
2
SCK_LCD
3
STB
4
GND
5
SW +3.3V
6
IR
7
EVER +3.3V
8
LED1
9
LED2
10
O/C
11
STOP
12
PLAY
N.C
VKK
N.C
N.C
N.C
BL1
N.C
EV1
N.C
XOUT
DATA
N.C
N.C
N.C
A
VSS
N.C
EV2
N.C
N.C
SCK_LCD
PCONT
/RESET
SI
N.C
N.C
/VMUTE
N.C
N.C
EV4
POWER
VREF
N.C
N.C
N.C
BUSY
N.C
/CS
N.C
PONCHK
TEST
OCSW1
O/C
SYSRST
N.C
STB
SELF_CHECK
VDD
/AMUTE
N.C
STOP
EV3
N.C
N.C
VCC
N.C
N.C
PLA
Y
N.C
N.C
N.C
N.C
MIMY
N.C
N.C
XIN
VUS2
VSS
MIYK
N.C
N.C
IR
N.C
PROG LED
N.C
SCO
N.C
SO
N.C
N.C
VUS1
05
G
13
7
11
3
IF-117 BOARD
1
B
6
16
D
A
9
E
H
10
15
C
17
12
XX MARK:NO MOUNT
F
2
J
4
I
8
14
5
IC404
IC408
RESET
SWITCH
SWITCH
CN102
LC-082 BOARD
(SEE PAGE 4-32)
CN201
(SEE PAGE 4-11)
(2/5)
MV-044 BOARD
(SEE PAGE 4-12)
MV-044 BOARD
CN205
(2/5)
22k
2.2k
R437
IF CON
•
Waveforms
1
IC404
3
3.5 Vp-p (8 MHz)
DVP-LS755P
MS-214 (LOADING MOTOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
: Uses unleaded solder.
There are a few cases that the part isn't mounted in this model is printed on this diagram.
4-29
4-30
LOADING MOTOR
MS-214
M001
(LOADING MOTOR)
C001
CN001
1-862-780-
05
S001
S002
S001
(DISK IN/OUT)
S002
(CHUCKING)
S003
(TRIGGER)
S003
C004
C002
C003
7
1
5
MS-214 BOARD
+
-
(11)
11
7P
CN001
1
TRGSW
2
NC
3
LDM+
4
LDM-
5
GND
6
CKSW1
7
OCSW1
JL001
JL002
JL003
JL004
JL005
JL006
JL007
M001
XX
C001
XX
C002
XX
C003
XX
C004
S001
S002
S003
A
CN102
4
B
MS-214 BOARD
C
5
6
2
MV-044 BOARD
05
(SEE PAGE 4-10)
1
3
(LOADING)
(1/5)
(DISC IN/OUT)
S001
S002
(CHUCKING)
S003
(TRIGGER)
IF-117 board
(INTERFACE CONTROL)
(INTERFACE CONTROL)
ER-027 board
(EURO AV)
(EURO AV)
MV-044 board
(RF AMP, SIGNAL PROCESS,
SERVO, MOTOR DRIVE, AVDEC,
VIDEO, AUDIO, PS THROUGH)
(RF AMP, SIGNAL PROCESS,
SERVO, MOTOR DRIVE, AVDEC,
VIDEO, AUDIO, PS THROUGH)
LC-082 board
(FUNCTION SWITCH)
(FUNCTION SWITCH)
MS-214 board
(LOADING MOTOR)
(LOADING MOTOR)
Power supply block
(SWITCHING REGULATOR)
(SWITCHING REGULATOR)
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