Sony DVP-LS755P Service Manual ▷ View online
DVP-LS755P
3-15
3-16 E
3-8. POWER 2 BLOCK DIAGRAM
SW+8V
05
SW+5V
SW+3.3V
FILTER
FL207
OPTICAL
DIGITAL
OUT
CN103
FL208
FILTER
FL209
SW+3.3V
SW+8V
IC201
SERVO DSP,
RF AMP
IC208
+3.3V REG
MUTE V
D601
Q603, 616
Q601
IC151
+3.3V REG
IC202
+2.5V REG
IC207
AUDIO
D/A CONVERTER
IC605
OPTICAL DIGIT AL
OUT
IC502
VIDEO
BUFFER
IC901
VIDEO
BUFFER,
SELECT
SELECT
SWITCH
IC601
AUDIO AMP
IC204
16M FLASH
IC205
EEPROM
IC102
8
20
+11V
+11V
CN901
CN502
AU+5V
VIDEO–5V
SW+5V
6
14
2
16
11
3
DEVICE
OPTICAL
ER-027 BOARD
(SEE PAGE 4-23)
PS772
PS771
Q772,773
CN771
3
10
4
5
8
9
POWER 1
(SEE PAGE 3-14)
6
1
VIN
5
4
VOUT
IC774
+3.3V REG
MV-044 BOARD
(SEE PAGE 4-9 to 4-18)
IF-117 BOARD
(SEE PAGE 4-27)
LC-082 BOARD
(SEE PAGE 4-32)
IC206
64M SDRAM
IC101
REMOTE
COMMANDER
RECEIVER
AUDIO
(SEE PAGE 3-12)
L905
VCC
EVER+11V
EVER-10V
EVER+5V
SW+8V
SW+3.3V
P-CONT
POWER SW
SW+5V
IN
OUT
2
3
IN
OUT
3
1
IC603
+5V REG
IC503
-5V REG
VIN VOUT
6
4
VIN VOUT
6
4
VIN VOUT
5
4
REG 2 CTL
8
SW+5V
FILTER
2
CN205
CN401
3
4
2
3
SW-10V
4
CN403
CN102
5
7
5
7
CN402
EVER+3.3V
SW-10V
SW+3.3V
EVER+3.3V
SW+3.3V
3
CN201
13
12
11
1
2
P-CONT
POWER_SW
3.3V_MNT
PONCHK
30
POWER
37
PCONT
26
VREF
39
IC408
RESET
ND101
LCD UNIT
D102
PROGRESSIVE
indicator
IC404
IF CON
REGO1
32
REGO2
S+3.6V
31
VREF
43
PWMVREF
210
IC101
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING
MOTOR DRIVE
PWM2VREF
211
VREFO
16
V2REFO
15
CN104
INLIMIT
SENSOR
LIMIT SW A
ARP, SERVO DSP,
AV DECODER,
SYSTEM
CONTROL
4-1
DVP-LS755P
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
BOARDS AND SCHEMATIC DIAGRAMS.
For printed wiring boards:
•
•
X
: indicates a lead wire mounted on the component
side.
•
x
: indicates a lead wire mounted on the printed side.
•
a
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
For schematic diagram:
•
•
Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
•
All resistors are in ohms,
1
/
4
W (Chip resistors :
1
/
10
W) un-
less otherwise specified.
k
k
Ω
: 1000
Ω
, M
Ω
: 1000k
Ω
.
•
All capacitors are in
µ
F unless otherwise noted.
pF :
µµ
F
50V or less are not indicated except for electrolytics and
tantalums.
tantalums.
•
All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
B, unless otherwise noted.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
f
: internal component.
•
C
: adjustment for repair.
•
U
: B+ Line.
•
V
: B– Line.
•
Circled numbers refer to waveforms.
•
Voltages are dc between measurement point.
•
Readings are taken with a color-bar signal on DVD refer-
ence disc and when playing CD reference disc.
ence disc and when playing CD reference disc.
•
Readings are taken with a digital multimeter (DC 10M
Ω
).
•
Voltage variations may be noted due to normal production
tolerances.
tolerances.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
When indicating parts by reference
number, please include the board
name.
number, please include the board
name.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
DVP-LS755P
4-3
4-1. FRAME SCHEMATIC DIAGRAM
4-4
FRAME
21P
CN901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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
24P
GND(LD)
1
LD(650)
2
N.C
3
N.C
4
PD
5
LD(780)
6
VR(650)
7
VR(780)
8
N.C
9
VoE/e+g
10
Vcc
11
Vc
12
GND(PDIC)
13
VoF/f+h
14
VoB/b
15
VoA/a
16
RF
17
(LO:DVD,HI:CD) MSW
18
VoD/d
19
VoC/c
20
TRK-
21
TRK+
22
FCS+
23
FCS-
24
CN103
24P
GND(LD)
1
LD(650)
2
N.C
3
N.C
4
PD
5
LD(780)
6
VR(650)
7
VR(780)
8
N.C
9
VoE/e+g
10
Vcc
11
Vc
12
GND(PDIC)
13
VoF/f+h
14
VoB/b
15
VoA/a
16
RF
17
(LO:DVD,HI:CD) MSW
18
VoD/d
19
VoC/c
20
TRK-
21
TRK+
22
FCS+
23
FCS-
24
M
M
7P
CN102
1
2
3
4
5
6
7
CN201
13P
1
2
3
4
5
6
7
8
9
10
11
12
13
4P
CN205
1
2
3
4
6P
CN204
1
2
3
4
5
6
CN502
21P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
13P
CN402
1
2
3
4
5
6
7
8
9
10
11
12
13
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
4P
CN401
1
GND
2
SW+3.3V
3
SW-10V
4
EVER+3.3V
M
7P
CN001
1
TRGSW
2
NC
3
LDM+
4
LDM-
5
GND
6
CKSW1
7
OCSW1
10P
CN201
1
2
3
4
5
6
7
8
9
10
10P
CN771
1
2
3
4
5
6
7
8
9
10
2P
CN101
1
2
12P
CN102
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
6P
1
SP-
2
SP+
3
LIMIT
4
(GND) LIMIT
5
SL-
6
SL+
6P
CN104
1
SP-
2
SP+
3
LIMIT
4
(GND) LIMIT
5
SL-
6
SL+
XV_MUTE
ERAUDIOL
ERAUDIOR
WIDE
EUROVY
Y/G
D_GND_VIDEO
Y
Cr/B_Cr/R
Cb/R_Cb/B
RGBSEL
SW+5V
V
VIDEO-5V
ER-027 BOARD
MOTOR
SPINDLE
SLED
MOTOR
INLIMIT
SW
OPTICAL
DEVICE
DEVICE
BASE UNIT
KHM-310AAB/
SERVICE ASSY
P-CONT
POWER_SW
3.3V_MNT
XA_MUTE
SYSRST
GND
XV_MUTE
SI0
SO0
SC0
OCSW1
RF MON
GND
TXD
+3.3V
RXD
V2REF0
(FEM-002)
FFC
IF-117
BOARD
(B to B)
LOADING
MOTOR
M001
(FMP-010)
FFC
GND
EVER+5V
EVER+11V
P-CONT
SW+8V
EVER-10V
SW+3.3V
SW+5V
POWER SW
MTR GND
(PM-112)
HARNESS
AC_IN(N)
AC_IN(L)
POWER SUPPLY BLOCK
DIAG
(JIG)
(JIG)
MV-044 BOARD
B
10
3
1
J
12
14
6
5
8
9
A
7
H
D
4
2
I
13
G
05
E
C
11
F
(FMP-012)
FFC
LINE
(RGB)-TV
FFC
(FIL-001)
MS-214 BOARD
BOARD
LC-082
HARNESS
(MM-146)
(MM-146)
C
DISC/XEXT
+11V
P_GND_AUDIO
D_GND_VIDEO
D_GND_VIDEO
D_GND_VIDEO
HARNESS
(IM-065)
SWITCHING
REGULATOR
SW+8V
MTR GND
POWER SW
EVER+11V
EVER+5V
SW+5V
GND
SW+3.3V
EVER-10V
P-CONT
SW+3.3V
GND
EVER+3.5V
SW-10V
TRG SW
LDM-
LDM+
OCSW1
GND
N.C
CKSW1
XIFCS
IFBUSY
POWER_SW
P-CONT
XA_MUTE
XV_MUTE
SCO
GND
SOO
SIO
XIFCS
3.3V_MNT
SYSRST
OCSW1
IFBUSY
RGBSEL
ERAUDIOL
EUROVY
P_GND_AUDIO
ERAUDIOR
+11V
DISC/XEXT
SW+5V
WIDE
XV_MUTE
Cr/B_Cr/R
D_GND_VIDEO
Cb/R_Cb/B
D_GND_VIDEO
Y/G
D_GND_VIDEO
Y
D_GND_VIDEO
C
VIDEO-5V
V
DVP-LS755P
4-5
4-6
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
MV-044 (RF AMP, SIGNAL PROCESS, SERVO, MOTOR DRIVE, AVDEC, VIDEO, AUDIO, PS THROUGH) PRINTED WIRING BOARD
: Uses unleaded solder.
RF AMP, SIGNAL PROCESS, SERVO, MOTOR DRIVE, AVDEC, VIDEO, AUDIO, PS THROUGH
MV-044
There are a few cases that the part isn't mounted in this model is printed on this diagram.
54
55
108
109
162
163
216
1
IC201
R101
R1012
R1013
R1014
R1015
R1018
R1019
R102
R1020
R1021
R1028
R1031
R106
R107
R109
R110
R112
R113
R114
R115
R116
R116
R117
R119
R123
R124
R126
R127
R128
R129
R130
R131
R132
R133
R134
R136
R139
R155
R156
R157
R158
R165
R166
R167
R168
R180
R182
R185
R187
R190
C274
R194
R195
R197
R198
R199
R202
R203
R203
R204
R205
R206
R216
R217
R218
R220
R224
R227
R231
R244
C501
R248
R253
FB255
C509
R260
R261
R263
R264
R265
R266
R267
R268
R270
R272
R273
R274
C157
R276
CL171
R279
R281
R282
R283
R284
R285
R286
R287
R289
FB290
FB291
FB292
FB293
FB294
FB295
C514
C601
C101
C102
C103
C108
C602
C110
C112
C113
C114
C115
C116
C603
C604
C605
C120
C121
C122
C606
C607
C132
C133
C134
C135
C136
C137
C138
C608
C142
C144
C145
C146
C235
C148
C152
C154
C155
C156
C161
C165
C169
C172
C173
C174
C175
C178
C180 C181
C182
C183
C184
C185
C186
C187
C188
C189
C190
C191
C192
C193
C194
C195
C198
C614
C202
C203
C209
C212
C213
C214
C215
C213
C214
C215
C218
C219
C221
C222
C223
C224
C227
C229
C231
C231
C236
C237
C238
C619
C620
C243
C244
CL141
C247
C248
C249
C622
C251
C252
CL144
C256
C257
C258
CL170
C262
C266
C271
C272
C273
FB1022
FB1023
FB176
FB215
FB249
FB251
FB252
LP201
CL101
CL102
CL103
CL104
CL105
CL106
CL107
CL108
CL109
CL119
CL120
CL169
CL202
CL203
CL204
CL205
CL206
CL207
CL208
CL209
CL210
C630
C771
C780
CL172
CL142
CL143
CL145
CL146
CL147
CL218
CL232
CL233
CL234
CL278
CL604
CL605
CL287
CL288
CL289
1
2
5
CN106
D159
R159
R229
R544
R545
D165
L165
FB201
FB202
FB203
FB204
FB205
FB206
Q168
1
16
8
9
IC207
R546
1
27
28
54
IC206
Q170
1
2
23
24
CN103
C789
1 2
CN105
38
39
65
64
102
103
128
1
IC102
C232
1
67
1
2
13
18
19
24
25
30
31
36
37
42
43
48
49
50
51
52
IC101
RV201
FL209
D201
1
3
CN206
FL101
FL102
FL103
FL202
FL203
FL204
FL205
FL206
FL207
FL208
R208
2
1
40
39
CN299
D510
D601
6
1
3
4
Q171
D602
3
4
1
6
IC151
3
4
1
6
IC202
D603
D604
C275
FB207
FL210
FL298
FL299
IC204
1
24
25
48
1
3
2
IC503
C276
C503
CL603
R547
R169
R170
R171
IC601
1
4
58
D605
R541
R596
R597
R642
R643
R2012
L166
L501
PS771
PS772
Q504
Q505
Q507
Q508
Q601
Q602
Q603
Q604
Q605
Q606
Q609
Q610
Q611
R2015
Q571
Q614
Q616
Q772
Q773
R2016
R141
R143
R178
R179
R181
R183
R184
R184
R188
R189
R209
R210
R212
R213
R245
R246
R2013
R521
Q572
R524
FB525
R526
R527
R528
R529
R532
R535
Q573
Q574
Q613
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R614
R618
R620
R622
R624
R625
R628
R630
R629
R631
R632
R633
R636
R637
R638
R639
R571
R572
R646
R647
R649
R653
R654
R658
R659
R660
R661
R662
R573
R664
R665
R666
R667
R668
R669
IC602
1
4
5
8
R775
R776
R777
R778
R2001
R2004
R2005
RB202
RB203
R2022
R2023
R2025
R2026
R2028
FB1024
Q617
R550
R585
R230
R538
R539
FB555
FB2041
RB204
R623
D202
R554
IC209
3
4
1 2
RB206
R787
Q201
Q777
Q778
R161
R162
R163
R164
R201
R779
R780
R781
R782
R672
R574
R575
FB2036
FB2038
R576
R783
R577
R578
R579
R580
R581
R582
R583
D771
R786
R584
R615
R663
R586
LP101
RB205
R280
R191
LP702
CL279
LP701
LP601
C176
FB2039
C281
C280
JS001
1
4
5
8
IC205
JS003
JS002
R103
R104
R111
C104
C106
X201
C245
MV-044 BOARD (SIDE A)
1-861-511-
1
2
3
4
5
6
A
B
C
D
05
C
C
C
C
C
C
C
C
C
C
C
C
C
C E
B
B
B
E
E
B
E
C
C
C
C
C
C
C
C
C
C
C
B
B
B
B
B
E
E
E
E
E
B
E
E
E
E
E
B
B
E
B
E
E
B
B
E
E
B
B
B
B
B
K
K
K
A
A
A
A
K
K
E
E
E
E
E
B
B
E
B
B
B
C
B
E
(22)
22
MV-044 BOARD (SIDE A)
CN103
A-4
D159
A-6
D510
A-2
D601
C-1
D602
B-2
D603
C-2
D604
C-2
IC101
A-6
IC102
A-4
IC151
B-5
IC201
C-5
IC202
B-6
IC204
C-6
IC205
C-6
IC206
C-4
IC207
B-4
IC503
A-2
IC601
B-3
Q168
A-4
Q170
A-4
Q171
A-4
Q504
A-2
Q505
A-2
Q571
A-2
Q572
A-2
Q573
A-2
Q574
A-2
Q601
C-3
Q602
C-2
Q603
C-2
Q604
B-2
Q605
B-2
Q606
C-2
Q609
C-2
Q610
B-2
Q611
C-1
Q616
C-2
Q772
C-3
Q773
C-3
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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