Sony DVP-LS755P Service Manual ▷ View online
2-11
2-19. CIRCUIT BOARDS LOCATION
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
SECTION 3
BLOCK DIAGRAMS
3-1
3-2
3-1. OVERALL BLOCK DIAGRAM
IF-117 BOARD
(SEE PAGE 4-27)
MV-044 BOARD
(SEE PAGE 4-9 to 4-18)
ER-027 BOARD
(SEE PAGE 4-23)
BASE UNIT
KHM-310AAB/
SERVIC ASSY
I /
CNJ902
IC408
IC204
16M FLASH
MEMORY
EEPROM
IC205
IC201
IC207
IC102
IC206
IC774
REG
64M SDRAM
P-CONT
SW+8V
SW+5V
SW+3.3V
EVER-10V
EVER+5V
EVER+11V
SERVO DSP,
RF AMP
IC101
FOCUS
TRACKING COIL
DRIVE,
SPINDLE/SLED
/LOADING
MOTOR DRIVE
IC601
AUDIO AMP
IC502
VIDEO
BUFFER
SYSTEM CONTROL
AV DECODER
SERIAL BUS
IC404
IC409
IF
CON
KEY
FUNCTION
SW-10V
EVER+3.3V
RESET
SLED
MOTOR
SPINDLE
MOTOR
M
M
M
M001
LOADING
MOTOR
OPTICAL DEVICE
DVD / CD
PDIC
FOCUS
COIL
TRACKING
COIL
INLIMIT
SENSOR
TRANSFORMER
SECOND
AR
Y
PRIMAR
Y
AUDIO D/A
CONVERTER
COMPONENT
VIDEO OUT
LINE
(RGB) -TV
S VIDEO OUT
LINE OUT
J501
IC901
VIDEO
BUFFER
SELECT SWITCH
REMOTE
COMMANDER
RECEIVER
ND401
VACUUM
FLUORESCENT
DISPLAY
DETECT
CHUCK
MS-214 BOARD
(SEE PAGE 4-30)
05
POWER SUPPLY BLOCK
(SWITCHING REGULATOR)
(SEE PAGE 4-35)
(SEE PAGE 4-35)
DVP-LS755P
3-3
3-4
3-2. RF/SERVO BLOCK DIAGRAM
F
E
BASE UNIT
KHM-310AAB/
SERVIC ASSY
SERVIC ASSY
SLED
MOTOR
SPINDLE
MOTOR
CN104
30
29
36
37
34
10
13
15
4
1
FOO
D03-
D03+
D03+
28
27 D04-
D04+
D01+
D01-
D02+
D02-
24
25 D05+
D05-
126
125
124
123 MDI2
MDI1
LD01
LD02
LD02
96
DVDRFIP
DVDA – D
MA – MD
47
IN1-
IN2-
IN2-
IN3-
IN4-
CTL
SL+
SL-
SP+
SP-
SDEN
SDATA
ADIN
ADIN
PWMOUT2
RFZC
RFRP
BDO
BDO
TEO
CSO
RFL
RFL
FEO
FMO
DMO
DMO
TRO
TROPENPWM
59
77
61
58
23
21
20
19
18
25
30
RFIN
RFIP
7
6
IC102
DVD/CD RF AMP,
SERVO ERROR PROCESS
IC102
6
(CD PLAY)
2
2
2
3
2
IC102
6
(DVD PLAY)
IC102
7
(CD PLAY)
IC102
7
(DVD PLAY)
IC102
qk
(CD PLAY)
1.4 Vp-p
3
IC102
qk
(DVD PLAY)
1.1 Vp-p
LDM+
LDM-
CKSW1
FCS-
FCS+
TRK+
TRK-
LD (780)
LD (650)
PD
RF
FOCUS
OPTICAL DEVICE
COIL
TRACKING
COIL
DVD/CD
LD MODULE
6
5
2
1
1
D159
C
D
A
B
B
CN103
DVD/CD
PDIC
1.4 Vp-p
35
IC102
oh
(DVD PLAY)
1
IC102
500 mV/DIV 200 ns/DIV
500 mV/DIV 200 ns/DIV
1.2 Vp-p
500 mV/DIV 100 ns/DIV
1.0 Vp-p
500 mV/DIV 100 ns/DIV
1.0 Vp-p
500 mV/DIV 100 ns/DIV
800 mVp-p
500 mV/DIV 200 ns/DIV
800 mVp-p
500 mV/DIV 200 ns/DIV
oh
(CD PLAY)
1
MV-044 BOARD (1/5)
(SEE PAGE 4-9)
MS-214 BOARD
(SEE PAGE 4-30)
IC102
wa
(DVD PLAY)
4
IC102
wa
(CD PLAY)
4
48
53
79
45
OPO
IO5
IO6
IOB
SW1
51
20
MUET4
IO9
50
19
MUTE123
21
PS
7
RES2
6
RES1
IO8
44
16
FWD
IO2
45
17
REV
IO3
46
22
TSD-M
IO4
47
46 OP-
OP+
IC101
FOCUS TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING
MOTOR DRIVE
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-5)
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-5)
SYSTEM
CONTROL/
SIGNAL
PROCESSOR
(SEE PAGE 3-5)
SDEN
SDATA
SWO
DPDMUTE
HTRC
HRFRP
DEFECT
TEO
CSO
LVL
FEO
RFON
RFOP
SCLK
56
SCLK
SYSRST
OCSW1
60
RST
INTERFACE
CONTROL
(SEE PAGE 3-12)
97
ı
100
101
ı
104
111
110 SC
SD
14
10
7
8
18
12
05
VR (650)
VR (780)
MSW
VC
24
23
23
22
21
21
6
2
2
5
17
20
19
16
15
15
DVD/CD
Q171
LD DRIVE
M
M
M001
LOADING
MOTOR
S002
(CHUCKING)
S001
(DISC IN/OUT)
S003
(TRIGGER)
CN102
5
4
2
1
1
7
3
4
6
7
7
1
OCSW1
TRGSW
52
IOA
17
V20
105 SA
106 SB
Q170
Q168
1.4 Vp-p
1.4 Vp-p
DVP-LS755P
3-5
3-6
3-3. SYSTEM CONTROL/SIGNAL PROCESSOR BLOCK DIAGRAM
215
205
216
105~107,110,112~114,119,121~124
IC204
IC201
ARP, SERVO DSP,
AV DECODER,
SYSTEM CONTROL
16M FLASH ROM
IC206
64M SDRAM
RAO – RA11
22~27,29~30,40~41,43~53
AO – A20
78~81,83~86,93~96,98~101
RDO – RD15
31~34,36~39
HDO – HD7
IFBUSY
SCO
SOO
XIFCS
SIO
SIO
SYSRST
RFIN
FEI
RFIP
SCL
SDA
RF/SERVO
(SEE PAGE 3-4)
RF/SERVO
(SEE PAGE 3-4)
204
203
206
208
209
198
200
195
16
197
196
CSO
TEI
RFLEVEL
RFRP_AC
HRFZC
207 RFRP_DC
BDO
ADIN
SDATA
PWMOUT2
SCLK
SDEN
RFIN
FEO
RFIP
CSO
TEO
RFL
RFRP
RFZC
BDO
PWMOUT2
18
19
12
13
DMO
FMO
FOO
TRO
14 TROPENPWM
91
89
88
87
90 103 104
69
188
64
62
63
61
IFSCK
IFSDO
IFBSY
58
59
57
IOWR
IOCS
IOOE
IFSDI
PRST
XIFCS
MCLK
SPDIF
SDTI
PDN
XMAMUTE
XMAMUTE
CCLK
176
177
158
153
154
151
SPDIF
ASDATAO
ACLK
CSN
BICK
LRCK
148
149
68
ABCK
RGBSEL
146
RGBSEL
EUROVY
144
EUROVY
DISC/XEXT
ALRCK
XDACS
MAMUTE
ADSCK
CDTI
C
Y
V
Y/G
CB/B
CB/B
CR/R
WIDE
179
164
166
168
170
172
173
175
ADSDO
YUV1/C
YUV2/Y
YUV3/CVBS
YUV4/G
YUV5/B
YUV6/R
WIDE
187
186
XTALI
XTALO
XRST
65
67
6
5
IC205
EEPROM
SCL
SDA
IC201 (CD PLAY)
4
IC201
(CD PLAY)
3
3
203
IC201 (DVD PLAY)
4
203
205
IC201
(DVD PLAY)
205
IC201
10
IC201
9
IC201
8
IC201
(COMPONENT OUT: ON)
(COMPONENT OUT: ON)
(LINE: RGB mode))
7
172
173
170
168
166
164
IC201
11
IC201
12
IC201
6
186
IC201 (DVD PLAY)
5
215 216
IC201 (CD PLAY)
5
215 216
IC201
(LINE: RGB mode)
7
173
IC201
8
(COMPONENT OUT: ON)
172
IC201
9
(LINE: RGB mode)
170
MV-044 BOARD (2/5)
(SEE PAGE 4-11)
ADIN
SDATA
SCLK
SDEN
DMO
FMO
FOO
TRO
TROPENPWM
X202
27MHz
118 116 117
BA0
RAS
CAS
RWE
RCS
CLK
CLE
BA1
DQM1
DQM0
RF/SERVO
(SEE PAGE 3-4)
VIDEO
(SEE PAGE 3-7)
INTERFACE
CONTROL
(SEE PAGE 3-12)
AUDIO
(SEE PAGE 3-9)
VIDEO
(SEE PAGE 3-7)
05
143
DISC/XEXT
181
IPSW
PROGRESSIVE
S501
NORMAL
1.4 Vp-p
1.4 Vp-p
1.4 Vp-p
1.4 Vp-p
1.0 Vp-p
800 mVp-p
500 mV/DIV 100 ns/DIV
500 mV/DIV 200 ns/DIV
3.6 Vp-p (27 MHz)
670 mVp-p (H)
670 mVp-p (H)
670 mVp-p (H)
670 mVp-p (H)
950 mVp-p (H)
670 mVp-p (H)
1.2 Vp-p (H)
950 mVp-p (H)
800 mVp-p (H)
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