Sony MCE-SV7 / MHC-SV7AV Service Manual ▷ View online
MCE-SV7
13
13
6-2.
BLOCK DIAGRAM – AUDIO/VIDEO Section –
PROGRAM ROM
IC510
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
D/A
CONVERTER
INPUT
INTERFACE
CIRCUIT
OSC
BUFFER
IC504
BUFFER
Q502
LOW-PASS
FILER
MODE
CONTROL
TIMING CONTROL/
CLOCK GENERATOR
VIDEO
FREQUENCY
DIGITAL FILTER,
D/A CONVERTER
IC509
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC505
14
11
VOUTL
VOUTR
10
RSTB
17
18
19
20
9
7
24
1
DATA
BCK
LRCK
CD-ROM
INTERFACE
CIRCUIT
MPEG
SYSTEM
DECODER
MPEG
VIDEO
DECODER
VIDEO
PROCESS
CIRCUIT
CPU INTERFACE
AUDIO
INTERFACE
CIRCUIT
MPEG
AUDIO
DECODER
D-RAM/ROM INTERFACE
3
4
5
CD-DATA
C2PO
DATA
BCK
LRCK
DATA, BCK,
LRCK, C2PO
LRCK, C2PO
CD-BCK
CD-LRCK
6
CD-C2PO
MA0 – MA10
MD0 – MD15
D0
–
D15
D0
–
D15
A0
–
A10
A0
–
A8
384FSO
4
MCKO
X503
27MHz
CT503
MD
XT2
XT1
37
14 13
29
28
38 42 40
60
69
75
113
110
111
108
106
HRDY
Y-OUT
86
DA-XCLK
VCK-IN
DA-DATA
DA-BCK
DA-LRCK
C-OUT
93
114 121
HSEL
112
HD-OUT
119
HD-IN
117
HCK
ML
8
MC
LEVEL
SHIFT
IC501
IC501
B
(Page 12)
IIC-DATA,
IIC-CLK
IIC-CLK
D
(Page 14)
MCLK 33.8MHz
A
(Page 12)
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
CIRCUIT
58 – 56, 54, 52 – 50, 48, 46 – 44
10 – 15, 17, 19, 21, 23 – 29
16 – 19, 22 – 26
A0
–
A10
12 – 5, 27, 26, 23
D8
–
D14
A11 – A17
25, 4, 28, 29, 3, 2, 30
D0
–
D7
O0 – O7
A0 – A10
DQ1 – DQ16
ADDRESS BUS
DATA BUS
D-RAM
IC507
A0 – A8
13 – 15, 17 – 21
2 – 5, 7 – 10, 31 – 34, 36 – 39
WE
22
CE
RAS
LCAS
UCAS
CAS
RESET
HINT
DATA
CLK
RAS0
MWE
MCE
VSYNC/CSYNC
B.P.F.
2
1
4
3
J801
S VIDEO OUT
VIDEO CD CONTROLLER
IC502 (2/2)
88
36
87
20
37
35
85
86
CL680 RESET
CL680 HINT
CL680 HRDY
CL680 SEL
DATAI
CLK1
DATAO
45
VSYNC
DF LATCH
4
CHOMA
LEVEL
22
BGP
30
29
I2C_CLK
I2C_DATA
V. MUTING 65
101
HSYNC
BUFFER
Q501
21
H. SYNC IN
66
DAC RESET
1
VOUT
10 VIN
5
CONT
2
Y IN
15
Y OUT1
14
Y OUT2
6
VOUT
1
VIN
8
TINT
5
BGP
7
C IN
3
RESOLUTION
B.P.F.
C AMP
IC302
Y AMP
IC303
9
C OUT
12
MIX OUT1
11
MIX OUT2
VIDEO OUT
J802
1
MUTE A
8
MUTE B
Q301
Y/C DECODER
IC304
13
XOUT
X501
10MHz
15
XIN
IIC-CLK
IIC-DATA
1
3
VCD L-IN
VCD R-IN
LOW-PASS
FILER
IC101
IC101
CN102 (1/2)
SYSTEM
CONTROL 3
TO ST-SV7
MCE-SV7
14
14
6-3.
BLOCK DIAGRAM – MAIN Section –
85
84
87
86
94
55
53
59
89
90
91
13
15
38
DATA-OUT
DATA-IN
CLK
LAT
KEY2
ATRIG
BTRIG
REC/PB/PAS
ASHUT
BSHUT
BHALF
DATA-OUT
DATA-IN
CLK
LAT
KEY2
ATRIG
BTRIG
REC/PB/PAS
ASHUT
BSHUT
BSHUT
BHALF
DATA-OUT
DATA-IN
CLK
LAT
KEY2
ATRIG
BTRIG
REC/PB/PAS
ASHUT
BSHUT
BHALF
UNREG
UNREG (TC)
EVER +5V
AC
AC
MRESET
10
9
8
7
6
4
5
11
12
13
14
3
7
5
8
9
2
1
4
CN103
CN102 (2/2)
CN101
30
29
12
+5.7V
REGULATOR
IC502
+5V
REGULATOR
IC501
+7V
REGULATOR
IC503
+3.3V
REGULATOR
Q531
+3.3V
REGULATOR
Q301
B+ SWITCH
Q501, 502
RECT
D501 – 504
BUFFER
IC504
D512
D513
D514
D511
S701 – 708,
S711 – 720
D701 – 705
X401
16MHz
Q701
S741
(IN)
97, 95
SYSTEM CONTROLLER
IC401
65
–
83, 88
48
–
50
52
47
SUB TRAY1 – 3
HEIGHT SENSOR
IC731 – 733
DISC IN
DETECT
DETECT
IC751
S742
(OUT)
46
45
44
ON: WHEN SUB TRAY SLIDES OUT
OF THE CHUCKING POSITION
ON: WHEN SUB TRAY IS
CHUCKING POSITION
7
9
4
2
FIN
RIN
OUT1
OUT2
LOADING MOTOR DRIVE
IC701
M
M
M721
(LOADING)
EVER+5V
D+5V
A+5V (SW)
VIDEO +3.3V
CD +3.3V
D+5V (SW)
M+7V
OPT B+
D105
IIC-DATA
IIC-CLK
D
C
IIC-DATA,
IIC-CLK
IIC-CLK
M-RESET
SYSTEM CONTROL 5
FROM TC-S3
SYSTEM CONTROL 3
TO ST-SV7
KEY0, KEY1
T-SENS1
–
TSENS3
LED_DISC1
LED_DISC2
LED_DISC3
LED_PLAY
LED_PAUSE
LED_DISC2
LED_DISC3
LED_PLAY
LED_PAUSE
X-OUT
X-IN
DISC-SENS
CLOSE
OPEN
LOAD-OUT
LOAD-IN
EXP-OUT DATA
EXP-IN DATA
EXP-CLK
EXP-LAT
KEY2 (TC)
A-TRIG
B-TRIG
R/PB/PASS
A-SHUT
B-SHUT
B-HALF
CD POWER
IIC-DATA
IIC-CLK
RESET
(Page 13)
(Page 12)
MCE-SV7
15
15
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
g
: VIDEO
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
6-4.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
• Circuit Boards Location
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
DISC SENSOR board
BD board
IN OUT SW board
MOTOR board
DRIVER board
TRAY SENSOR board
MAIN board
PANEL board
SUB PANEL board
VMP board
VIDEO board
REG board
MCE-SV7
16
16
6-5.
PRINTED WIRING BOARD – BD Section –
•
See page 15 for Circuit Boards Location.
IC101
IC104
IC103
IC106
IC102
VMP
BOARD
CN501
(A-MAX.3)
25
A
TP (DVC)
TP
(VC)
TP (FEI)
TP (TEO)
TP (RFDC)
TP (XPCK)
TP (RFAC)
TP (FEO)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
• Semiconductor
Location
Ref. No.
Location
D101
F-10
IC101
E-10
IC102
B-11
IC103
E-8
IC106
H-11
Q101
F-8
Q103
G-10
(Page 20)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
Click on the first or last page to see other MCE-SV7 / MHC-SV7AV service manuals if exist.