DOWNLOAD Sony MHC-SV7AV / ST-SV7 Service Manual ↓ Size: 3.11 MB | Pages: 34 in PDF or view online for FREE

Model
MHC-SV7AV ST-SV7
Pages
34
Size
3.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mhc-sv7av-st-sv7.pdf
Date

Sony MHC-SV7AV / ST-SV7 Service Manual ▷ View online

ST-SV7
11
11
• IC Block Diagrams
– DSP Board –
IC604
LC89056W-E
IC605
AK4527
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/SN
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
3.6 Vp-p
354 ns
3.7 Vp-p
74.1 ns
4 Vp-p
354 ns
3.9 Vp-p
22.7 
µ
s
3.8 Vp-p
22.7 
µ
s
4.6 Vp-p
74.1 ns
2.7 Vp-p
62.5 ns
2.6 Vp-p
30.5 
µ
s
3.5 Vp-p
250 ns
4 Vp-p
74.1 ns
 Waveforms
– MAIN Board –
1
IC501 
qa
 (XCOUT)
– DSP Board –
1
IC601 
9
 (MCLK1), IC604 
w;
 (XMCK),
wa
 (XOUT)
2
IC501 
qd
 (XOUT)
7
IC601 
wl
 (BCKI2), IC604 
qf
 (BCK)
2
IC601 
qf
 (SCKOUT)
8
IC606 
qh
 (MCLK (I))
6
IC601 
wk
 (LRCKI2), IC604 
qg
 (LRCK)
4
IC601 
w;
 (BCKO), IC605 
4
 (BCK),
IC606 
1
 (BCK (I))
3
IC601 
ql
 (LRCKO), IC605 
5
 (LRCK),
IC606 
3
 (LRCK (I))
4.4 Vp-p
88.6 ns
5
IC601 
ws
 (KFSIO), IC604 
qd
 (CKOUT)
– PANEL Board –
1
IC601 
id
 (XOUT)
ST-SV7
12
12
12.1
12.1
D552
R553
C552
R554
C553
Q551
IC551
D551
R552
R551
D923
D904
D903
D922
C918
C903
R912
R911
IC901
C902
C907
C906
IC904
µ
PC7805AHF
C905
C904
C952
C953
L955
470
µ
H
C966
NO901
NO991
C991
C992
C955
R951
C957
NO507
CN508
CN510
C977
C978
C970
C968
R941
D941
D942
R942
C941
R943
C956
CN5031
CN5041
CN509
Q902
R555
D901
IC952
IC951
C916
R952
D920
C971
C964
IC991
IC903
D924
C551
1SS133T
47k
0.1
47k
0.1
2SC2603
M51943BSL
1SS133T-72
10k
470
11ES2
11ES2
11ES2
11ES2
470
10V
10
50V
510
220
TA78057S
470
10V
220
10V
0.1
470
16V
3300
16V
4700
25V
0.1
10000p
3P
3P
0.1
0.1
10000p
470
10000p
4P
23P
5P
10
50V
10 50V
10000p
10000p
1k
1SS133T
1SS133T
1k
10
50V
3.3k
10
50V
5P
10P
21P
2SC2001-K1K2
4.7k
D3SBA20
TORX178B
TORX178B
10000p
470
11ES2
0.1
0.1
NJM7812FA
BA10T
RB441Q
10
50V
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
20
AA4
AA5
AA4
AA5
BB1
BB2
BB3
BB4
BB1
BB2
BB3
BB4
DD1
DD2
DD3
DD4
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
A
B
2
0
A
B
21
D
B
F
B
 F
E
E
D
B
A
C
K
TUNER L-IN
TC L-IN
TUNER R-IN
TC R-IN
A-GND
VCD L-IN
VCD R5-IN
DIG-Tx
DSP-Rx
DIG-CLK
AMP-DATA
AMP-CLK
AMP-LAT
DIR-UNLOCK
DIR-CS
DSP-CS
DIR-Rx
DSP-DECODE
DIR-XSTATE
DSP-ACK
CODEC-SMUTE
FL-OUT
FR-OUT
F-GND
LS-OUT
RS-OUT
S-GND
A-GND
A-GND
A+10V
D-GND
DBFB FEEDBACK
TC REC L-OUT
TC REC R-OUT
MIC-IN
D-GND
C-OUT
C-GND
LINE-MUTE
D+5V
A+5V
A-GND
D-GND
FRONT-GND
CENTER-OUT
CENTER-GND
MIC-SIG
MIC-GND
FR-OUT
FL-OUT
SR-OUT
SL-OUT
S-GND
D-GND
(A-GND)
EVER+5V
M(A)-GND
REC OUT-L 
PB-L
TC A-GND
PB-R
REC OUT-R
VCC
VCC
GND
OUT
GND
OUT
D+5V
(1/2)
(CHASSIS)
SYSTEM CONTROL 4
D-OUT
G
I
O
+5V REGULATOR
+7V REGULATOR
G
I
O
+3.3V REGULATOR
G
I
O
RESET SIGNAL
GENERATOR
RESET
SWITCH
G
I
O
+10V REGULATOR
+12V REGULATOR
G
I
O
OPTICAL RECEIVER
OPTICAL RECEIVER
OPTICAL IN
OPTICAL IN
(TO TC-S3)
(FROM MCE-SV7)
(INCLUDED IN MAIN BOARD)
5-2.
SCHEMATIC  DIAGRAM  – MAIN Board (1/2) –
(Page 13)
(Page 13)
(Page 13)
(Page 16)
(Page 17)
(Page 16)
ST-SV7
13
13
Q901
R908
R538
R530
R956
R518
R516
R515
R517
R501
R963
R964
C962
C961
C915
D912
R903
C910
R904
R905
R906
C937
R549
C506
R558
R550
D944
D945
R532
R556
C942
C943
C561
EPT901
R524
C972
CN503
CN501
R523
R522
C562
R520
R519
R
5
0
8
C
5
0
1
C
5
0
2
C
5
0
3
X
5
0
1
R542
R541
R540
R539
C508
C509
R548
R521
R529
R525
D
9
2
1
CN5042
CN502
CN505
CN5032
R958
R959
R961
R962
JW95
X
5
0
2
Q503
Q502
R557
C510
D
9
1
3
C909
EPT902
R
5
2
8
R
5
2
7
R
5
2
6
R
5
3
3
R
5
3
1
R
5
3
4
R
5
3
5
R
5
3
6
R
5
3
7
R
5
0
2
R
5
0
3
R
5
0
4
R
5
0
5
R
5
0
6
R
5
0
7
R
5
0
9
R
5
1
2
R
5
1
3
R
5
1
4
R545
R543
R
5
1
0
R957
D943
C927
C928
IC501
R544
R546
CN506
D911
C919
R92
R44
IC953
C505
R511
C504
2SB734-3
1k
100
100
100
100
100
1k
100
100
5.6k
5.6k
10
50V
0.1
100
35V
MTZJ-T-
72-30B
10
10
50V
10k
100
100
0.1
3.3k
4.7
50V
1M
100k
1SS133T
1SS133T
47k
47k
470
6.3V
0.1
0.1
47k
0.1
10P
4P
100
10k
10000p
10k
10k
1
0
k
1
8
p
1
5
p
0
.1
3
2
.7
6
8
 k
H
z
47k
47k
100
100
10
50V
0.1
4.7k
100
100
100
1
S
S
1
3
3
T
-7
2
9P
19P
17P
15P
100
100
2.2k
2.2k
1
6
M
H
z
BN1A4M
BN1A4M
22k
4.7
50V
M
T
Z
J
-T
-7
2
-5
.6
B
100
50V
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
3
3
0
k
1
0
0
1
0
0
1
0
0
10k
10k
3
3
0
100
1SS133T
0.022
0.022
M30622MGA-A69FP
4.7k
11P
11ES2
0.1
100
100
BA8274K
2200
6.3V
10k
0.1
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
20
S
T
-M
U
T
E
S
T
-C
E
S
T
-D
O
U
T
S
T
-D
IN
S
T
-C
L
K
M-RESET
ST-CLK
ST-DOUT
ST-DIN
ST-CE
ST-MUTE
M-RESET
I-D
A
T
I-C
L
K
TUN
STE
STE
TUN
EX-IN
EX-OUT
EX-LAT
EX-CLK
E
X
-C
L
K
E
X
-L
A
T
E
X
-O
U
T
E
X
-IN
AB1
AB2
AB1
AB2
JOG2-B
JOG2-A
JOG1-B
JOG1-A
VOLA
VOLB
KEY1
KEY1
JOG2-B
JOG2-A
JOG1-B
JOG1-A
VOLA
VOLB
CC1
CC2
CC3
CC4
CC5
CC6
CC5
CC6
I-CLK
I-DAT
DD1
DD4
DD2
DD3
M-RESET
I-DAT
I-CLK
E
1
E
2
E
3
E
4
E
5
E
6
E7
E8
E9
E
1
0
E1
1
E
1
2
E
1
3
E
1
4
CC1
CC4
CC3
CC2
SIRCS
DBFB FEEDBACK
POWER KEY
P
O
W
E
R
 K
E
Y
AB20
AB21
S
IR
C
S
I-CLK
I-DAT
*
CL
MC D0
MC D1
CE
A+10V
TUNED
STEREO
L-CH
ANALOG-GND
R-CH
MUTE
MRESET
I2C-CLK
I2C-DATA
VCD L-IN
VCD R-IN
V-MUTE
EVER+5V
POWER KEY
VF
VF
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
VOLA
VOLB
KEY0 TA
AC LOW
AC LOW
AC HIGH
AC HIGH
UNREG
VP
CT
JOG1-A(FUNCTION)
JOG1-B(FUNCTION)
AC-LOW
AC-LOW
CD A-GND
CD D(M)-GND
UNREG 
TC M-GND
DISPLAY/STANDBY KEY
KEY1
JOG2-A
JOG2-B
JOG1-A
JOG1-B
VOLA
VOLB
TC M-GND
TC D-GND
CD D(M)-GND
CT
HAKO-GND
JOG2-B(F-SELECT)
JOG2-A(F-SELECT)
HAKO-GND
(CHASSIS)
(CHASSIS)
V
S
S
V
C
C
N
M
I
S
T
-
C
E
S
T
-D
O
U
T
S
T
-D
IN
S
T
-C
L
K
MODEL-IN
R
D
S
-
IN
T
R
D
S
-
D
A
T
A
G
N
D
S
IR
C
S
D
IG
-
C
L
K
D
IR
-U
N
L
O
C
K
D
IR
-
C
S
DSP-CS
A
M
P
-D
A
T
A
A
M
P
-C
L
K
A
M
P
-L
A
T
S
O
F
T
-
T
E
S
T
DSP-DECODE
STEREO
TUNED
D
IR
-
X
S
T
A
T
E
P
O
W
E
R
 K
E
Y
D
IS
P
L
A
Y
 K
E
Y
E
X
P
-
IN
 D
A
T
A
E
X
P
-O
U
T
 D
A
T
A
E
X
P
-L
A
T
E
X
P
-
C
L
K
C
N
V
S
S
AVSS
VREF
AVCC
SPEC-IN 
V
C
C
V
S
S
DSP-ACK
N
O
-
U
S
E
VF
VF
-VP
D-GND
IIC-CLK
IIC-DATA
D+3.3V
SIRCS
RESET
D-GND
EVER+5V(SIRCS)
GND
RTS1
NC
+5V
CNVSS
RESET
GND
TXD1/CAN'T USE
CLK1/SQ-CLK
RXD1/SQ-DATA-IN
D-GND
D+5V
IIC-CLK
IIC-DATA
(2/2)
SYSTEM CONTROL 3
SYSTEM CONTROL 2
SYSTEM CONTROL 1
(FOR TEST)
(FOR TEST)
(CHASSIS)
M-RESET
S
T
-
M
U
T
E
X
IN
X
O
U
T
R
E
S
E
T
X
C
O
U
T
X
C
IN
D
S
P
-R
X
D
IG
-
T
X
AC-
CUT
V-MUTE
C
O
D
E
C
-
S
M
U
T
E
D
IR
-
R
X
L
IN
E
-
M
U
T
E
SYSTEM CONTROLLER
-28V REGULATOR
AC OFF
DRIVER
MUTING
MUTING
CONTROL
SWITCH
FM/AM
TUNER
UNIT
*
AM
ANTENNA
THE ASSEMBLED
BLOCK
SUPPLIED WITH
*
II
C
 C
L
K
IIC DATA
NO-USE
NO-USE
NO-USE
NO-USE
(FROM MCE-SV7)
(TO TA-SV7AV)
(TO TA-SV7AV)
(EA)
(SP,TH)
1k
150
* R546
FM
75
NC
LX
SX
G
VC
LY
SY
NC
BUS BUFFER
5-3.
SCHEMATIC  DIAGRAM  – MAIN Board (2/2) –
 See page 11 for Waveforms.
(Page 12)
(Page 19)
(Page 12)
(Page 12)
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
ST-SV7
14
14
        
CN510
IC951
IC952
CN509
NO507
CN5042
CN5041
JW71
CN506
IC903
IC953
EPT902
JW77
JW111
C971
C968
C970
X501
CN505
16
D901
C955
C957
R951
C964
C956
R528
R525
R956
C907
CN502
JW67
D911
C909
R903
R905
C937
JW106
C916
C918
JW79
JW81
JW83
C961
R957
11
10
JW53
C972
JW43
JW14
C927
EPT901
JW94
C902
C903
R912
CN503
CN501
JW69
R556
R524
R542
R541
R543
R545
R544
R546
R511
C905
R529
JW62
R959
R92
R958
JW96
JW40
R519
JW110
JW15
JW16
JW99
C953
C919
JW41
JW42
JW104
R908
JW47
JW100
CN508
Q902
Q901
CN5032
CN5031
R540
R539
R538
R537
R536
R535
R534
R533
IC904
 
IC901
JW921
R904
D913
D912
NO901
C977
C978
C508
C509
JW35
JW21
R517
R518
JW50
JW51
JW84
JW112
JW60
R548
R523
R530
R522
R527
R526
R516
R515
R514
R513
R512
R531
R532
JW19
C952
JW108
JW34
C906
R501
R502
R503
R504
R505
R506
R507
C910
C915
C966
R911
JW917
JW918
C962
JW64
C561
C562
JW89
JW56
JW971
D920
JW65
JW86
JW85
JW78
JW76
JW68
JW70
L955
JW115
JW117
JW118
JW75
JW97
JW951
JW956
JW957
JW503
JW958
JW959
JW80
JW116
JW28
R952
JW954
D921
C904
JW87
JW107
JW88
JW90
JW91
JW25
D941
D942
C928
JW952
R508
R509
C501
C502
C503
R510
X502
JW55
R906
C505
JW29
C553
C504
Q502
IC551
R551
R552
R553
R554
R555
D551
D552
Q551
C551
C552
JW32
JW39
R520
JW38
R557
JW113
R549
JW920
JW500
D922
D923
C506
C510
R558
JW18
JW17
JW13
D943
D903
D904
JW37
R550
JW27
JW30
R521
JW26
D945
D944
Q503
R963
R964
R962
R961
R941
R942
R943
JW93
        
C942
C941
C943
JW202
JW203
JW204
JW205
JW206
JW207
JW208
JW209
 
R44
JW201
JW119
CLP101
IC501
1
3
E
C
B
3
1
1
3
3
1
1
1
5
15
NO991
C991
C992
IC991
JW98
JW302
JW301
D924
JW303
1
4
8
5
MAIN BOARD
(CHASSIS)
10
1
(FOR TEST)
1
4
(FOR TEST)
D
PANEL
BOARD
CN602
E
E
E
E
3
1
C
DSP BOARD
CN602
B
DSP BOARD
CN603
A
DSP BOARD
CN601
SYSTEM
CONTROL 1
(TO TA-SV7AV)
1
4
AM
ANTENNA
FM/AM TUNER UNIT *
* SUPPLIED WITH
                THE ASSEMBLED BLOCK
(CHASSIS)
1
1
10
9
SYSTEM
CONTROL 2
SYSTEM
CONTROL 3
(TO TA-SV7AV)
FROM
MCE-SV7
3
1
3
1
1
1
5
4
OPTICAL IN
IC952
OPTICAL IN
IC951
(FROM MCE-SV7)
1-680-695-
11
(23)
SYSTEM
CONTROL 4
(TO TC-S3)
3
1
3
1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
(INCLUDED IN MAIN BOARD)
FM
75
5-4.
PRINTED  WIRING  BOARD  – MAIN Board –
 See page 10 for Circuit Boards Location.
D551
D-4
D552
D-4
D901
C-8
D903
E-4
D904
E-5
D911
C-6
D912
C-5
D913
C-5
D920
F-4
D921
E-5
D922
D-5
D923
D-5
D924
D-5
D941
C-7
D942
C-7
D943
E-4
D944
E-3
D945
E-4
IC501
C-2
IC551
D-4
IC901
E-6
IC903
D-6
IC904
G-4
IC951
G-10
IC952
F-10
IC953
D-8
IC991
H-8
Q502
E-3
Q503
E-4
Q551
D-4
Q901
C-5
Q902
F-4
• Semiconductor
Location
Ref. No.
Location
(Page 15)
(Page 18)
(Page 15)
(Page 15)
Page of 34
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