Sony DVP-LS755P Service Manual ▷ View online
DVP-LS755P
4-31
4-32
LC-082 (FUNCTION SWITCH) 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.
FUNCTION SWITCH
LC-082
C101
C102
C103
C104
JR120
R103
R105
R106
R111
R112
R116
R117
R118
R119
R120
R121
R122
JR123
JR125
R126
JR121
JR122
JL102
JL103
JL104
JL105
JL106
JL107
JL108
JL109
JR124
JL111
JL112
JL113
JL114
JL116
JL117
JR104
JR110
JR112
JR111
JR106
JR126
JR127
JR134
JR133
JR132
JR131
JR128
JR129
JR130
D101
ND101
CN102
D102
IC101
S101
S102
S103
S104
S105
S106
C105
R108
R107
C
B
A
1
2
3
4
5
6
7
8
9
10
11
05
LC-082 BOARD
1-862-756-
(11)
11
1
12
11
2
1
3
2
9
1
B+
B+
NO MARK:DVD/CD PLAY
3.2
3.3
0.1u
C104
0.01u
C101
0.1u
C102
JL117
JL114
JL105
JL111
JL108
JL113
JL103
JL104
JL116
JL112
JL106
JL107
JL102
JL109
120
R122
3900
R105
1k
R120
R121
1k
8200
R106
1k
R119
XX
R117
15k
R111
R118
XX
R126
XX
2700
R103
18k
R112
R116
47
0
R108
0
R107
S102
S104
S106
S103
S101
S105
NSPW315BST
D101
SLR-332DCT32
D102
0.1u
C103
GP1UE27SXK0F
IC101
1
2
3
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
16V
47u
C105
VCC
VOUT
PROGRESSIVE
GND
1
2
3
4
5
6
7
8
9
N.C.
VDD
VSS
VUO
VREF
STB
SCK
D
ATA
N.C.
ND101
LCD UNIT
A
CN403
4
B
D
XX MARK:NO MOUNT
LC-082 BOARD
C
5
6
2
IF-117 BOARD
E
05
(SEE PAGE 4-27)
1
3
REMOTE COMMANDER
IC101
RECEIVER
(BACKLIGHT)
8
7
±0.5%
±0.5%
LC-082 BOARD
CN102
B-9
D101
B-1
D102
A-8
IC101
B-6
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
4-33
4-34
POWER SUPPLY BLOCK
(SWITCHING REGULATOR)
POWER SUPPLY BLOCK (SWITCHING REGULATOR) PRINTED WIRING BOARD
: Uses unleaded solder.
There are a few cases that the part isn't mounted in this model is printed on this diagram.
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)
POWER SUPPLY BLOCK (SWITCHING REGULATOR)
CN101
CN201
Pin 1
Pin 10
DVP-LS755P
4-36
4-35
POWER SUPPLY BLOCK
(SWITCHING REGULATOR)
POWER SUPPLY BLOCK (SWITCHING REGULATOR) SCHEMATIC DIAGRAM
• See page 4-33 for printed wiring board.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
B+
B+
B+
B-
B+
B+
B+
B+
B+
B+
B+
308.7
5.8
20.2
4.9
8.3
0.5
8.2
5
4.9
3.8
3.4
0.4
1.1
5.7
4.1
7.5
5.8
4
4
2.4
NO MARK: DVD/CD PLAY
C105
33u
400V
+
1
SW+8V
2
MTR GND
3
EVER+11V
4
EVER+5V
5
SW+3.3V
6
SW+5V
7
GND
8
P-CONT
9
POWER SW
10
EVER-10V
CN201 10P
R203
1k
R202
180
R201
1k
R212
1
Q201
KTB985-B/P
B+ SWITCH
C202
100u
100u
+
C217
0.1u
D208
HER104
D201
HER104
D207
1SS133
D205
1N4005
L202
10u
C106
10u
D203
BZX85C27TAP
D206
MTZJ3.6B
D202
HER203
D204
SR310
R206
1k
IC201
KIA431A-AT
PHC101
LTV817M-C
R209
R208
10k
R210
10k
C204
1u
+
C107
47u
25V
25V
+
+
T101
D107
HT13G
D106
UDZSTE-1712B
D105
ST02D-170
C108
0.1u
C109
47p
1kV
1kV
C209
47p
1kV
1kV
R104
56
C110
680p
250V
680p
250V
D101
1N4005
D103
1N4005
D104
1N4005
D102
1N4005
L101
43mH
C101
0.047u
275V
C102
330p
250V
330p
250V
C103
330p
250V
330p
250V
AC IN
C104
0.047u
275V
F101
(2A/250V)
C211
100u
100u
25V
+
C203
680u
680u
10V
+
C201
100u
100u
25V
+
C212
47u
25V
25V
+
C210
47u
25V
25V
+
1
A
B
C
D
2
3
4
5
6
7
8
05
IC201
SHUNT REG
IC101
SWITCHING
CONTROL
MV-044 BOARD
(5/5)
CN771
(SEE PAGE 4-17)
L
N
L203
4.7u
L201
10u
L205
10u
CN101
2P
C205
220u
220u
10V
+
C214
22u
35V
35V
+
C207
10
+
C206
33u
25V
25V
+
C216
0.1u
Q202
KTC3875S-GR/P
POWER
CONTROL
R215
10
R204
1k
R216
1.5k
R205
68
Q203
KTC3209Y/P
B+ SWITCH
R214
1k
R217
1k
SW201
POWER SUPPLY BLOCK
(SWITCHING REGULATOR)
(SWITCHING REGULATOR)
XX MARK: NO MOUNT
1
13
15
11
12
3
G
D
S
6
5
10
9
14
8
7
4
3
4
2
1
R103
12
IC101
MIP3E3SMY
CP202
(1.6A)
Q204
KTC3209Y/P
B+ SWITCH
R211
100
R213
180
5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
DVP-LS755P
5-1. SYSTEM CONTROL PIN FUNCTION (MV-044 BOARD IC201)
Pin No.
Pin Name
I/O
Function
1
IREF
I
Current reference input.It generates reference current for data PLL. (fixed at “L”)
2
PLLVSS
—
Ground
3
LPIOP
O
Positive output of the low pass filter
4
LPION
O
Negative output of the low pass filter
5
LPFON
O
Negative output of loop filter amplifier
6
LPFIP
I
Positive input of loop filter amplifier
7
LPFIN
I
Negative input of loop filter amplifier
8
LPFOP
O
Positive output of loop filter amplifier
9
JITFO
O
RF jitter meter output
10
JITFN
I
Negative input of the operation amplifier for RF jigger meter
11
PLLVDD3
—
Power supply (+3.3V)
12
FOO
O
Focus servo output. PDM output of focus servo compensator
13
TRO
O
Tracking servo output. PDM output of tracking servo compensator
14
TROPENPWM
O
Tray open output, controlled by microcontroller.
15
PWMOUT1
O
The 1st general PWM output (Not used)
16
PWMOUT2
O
The 2nd general PWM output
17
DVDD2
—
Power supply (+2.5V)
18
DMO
O
Disk motor control output. PWM output
19
FMO
O
Feed motor control. PWM output
20
DVSS
—
Ground
21
FG
I
Motor Hall sensor input (Not used)
22 to 27
HIGHA0 to
HIGHA5
O
Address bus A8 to A13
28
DVSS
—
Ground
29 and 30
HIGHA6 and
HIGHA7
O
Address bus A14 and A15
31 to 34
AD7 to AD4
I/O
Data bus HD7 to HD4
35
DVDD3
—
Power supply (+3.3V)
36 to 39
AD3 to AD0
I/O
Data bus HD3 to HD0
40 and 41 IOA0 and IOA1
O
Address bus A0 and A1
42
DVDD2
—
Power supply (+2.5V)
43 to 48
IOA2 to IOA7
O
Address bus A2 to A7
49 and 50
A16 and A17
O
Address bus A16 and A17
51 to 53
IOA18 to IOA20
O
Address bus A18 and A20
54
APLLVSS
—
Ground
55
APLLVDD3
—
Power supply (+3.3V)
56
ALE
I
Microcontroller address latch enable (Not used)
57
IOOE
O
Flash ROM Read enable signal output
58
IOWR
O
Flash ROM Write enable signal output
59
IOCS
O
Flash ROM Chip select signal output
60
DVSS
—
Ground
61
IFBSY
I
IF CON Interrupt input
62
IFSCK
O
Serial data transfer clock signal output to the IF CON
63
IFSDO
O
Serial data output to the IF CON
64
XIFCS
O
IF CON Chip select signal output
65
SCL
O
Clock signal output to the EEPROM
66
DVDD3
—
Power supply (+3.3V)
67
SDA
I/O
Two-way data bus with the EEPROM
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