Sony MHC-SV7AV / ST-SV7 Service Manual ▷ View online
ST-SV7
17
17
C660
C700
C715
C714
R748
CN603
C733
TP606
TP607
TP608
TP609
TP610
TP624
C709
C708
C707
C706
C705
C712
C713
R750
R751
R749
C711
R747
R734
C720
C717
C719
C732
C634
R779
R780
R781
R756
R757
IC608
C731
C730
C684
R707
R703
C685
C729
C722
R761
C689
R762
R776
R775
Q603
JR620
C710
C671
C672
C673
C674
C679
R682
R677
R679
C619
R683
R681
C621
C620
C623
D601
C664
R692
C662
C661
R690
R667
X601
C625
C626
C627
R670
R668
R678
R672
R673
R671
C633
C632
C629
C669
C670
C665
TP620
TP613
TP612
R685
R687
R686
R688
C622
C666
R684
R777
C691
J601
J602
IC609
EP603
R746
R743
R742
R739
R738
R735
C701
R719
R720
R723
C702
R724
R727
C703
R728
R731
R721
R725
R729
R733
Q607
Q611
Q610
Q609
R752
C716
Q608
R717
R716
R715
D609
D608
D610
R702
D607
C695
R699
R700
C692
C693
Q604
Q605
R709 D606
Q606
R711
R713
R706
R674
C682
C683
C681
C680
R676
C624
C617
C741
C618
R675
FB603
C628
FB602
Q601
C675
C676
C677
FB606
R767
R768
R766
R765
R763
R770
R772
R773
R774
R769
C668
C690
IC604
R760
R759
R758
C686
C687
C678
C667
C631
C630
C704
R730
R689
JR601
R778
R697
IC607
EP602
C723
C724
C725 C726
C727
C728
R698
R693
R694
R695
R669
JR130
C605
R691
C694
R696
C699
R704
C696
R712
R701
R705
C697
220
10V
10V
10
50V
220p
220p
100k
23P
0.1
FL
FR
SL
SR
C
A.GND
10
50V
10
50V
10
50V
10
50V
10
50V
470p
220p
12k
47k
12k
470p
100k
1k
220p
0.1
0.1
0.1
0.1
47k
47k
47k
47k
47k
SN74LVU04APWR
0.1
10
50V
10
50V
47k
1M
10
50V
10
50V
0.1
1k
100
16V
16V
1k
10k
10k
2SC1623
0
10
50V
10 50V
10 50V
10 50V
10 50V
0.1
100
5.6k
4.7k
0.1
100
33k
0.01
0.1
220
10V
10V
RD3.9SB2
0.1
100
0.1
220
10V
10V
1M
100
13.5MHz
10p
10p
0.1
100
100
10k
100
100
100
220
10V
10V
0.1
0.1
10 50V
10 50V
0.1
BCK
DATA
LRCK
100
100
100
100
0.1
220
10V
10V
100
10k
0.1
6P
1P
TOTX178A
GND
10k
10k
15k
15k
1k
1k
1
50V
1k
47k
1k
1
50V
47k
1k
1
50V
47k
4.7k
1k
1k
1k
1k
2SC3624
2SC3624
2SC3624
2SC3624
47k
220p
2SC3624
1k
47k
1k
RB501V
RB501V
RB501V
1M
RB501V
0.1
470k
10k
0.1
0.1
2SC1623
2SC1623
0
0
2SC3624
1k
1k
47k
100
1 50V
1 50V
1 50V
10 50V
100
0.1
0.1
0.1
0.01
100
0.1
0
2SD1387
1 50V
1 50V
1 50V
47
1k
10k
1k
1k
1k
1k
1k
1k
1k
1k
10 50V
220
10V
10V
LC89056W-E
1k
1k
1k
100 16V
100 16V
10 50V
10 50V
0.01
0.01
2.2
50V
50V
22k
1k
0
1k
1.8k
M61512FP
GND
10
50V
0.1
10
50V
0.1
10
50V
0.1
470k
100
100
100
100
0
0.1
330
0.1
1.8k
10 50V
100k
0.001
47k
10k
100k
0.001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
D0
D1
B1
B2
B3
E1
E2
F1
F2
G1
G2
G3
G4
G5
G6
I1
I2
I3
I4
I5
J1
J2
J3
J4
J5
J6
J1
J2
J3
J4
J5
J6
K1
K2
K3
K6
K7
K8
K9
L1
L2
L3
L4
K9
K8
K7
K6
K5
K4
K3
K2
K1
I1
I2
I3
I4
I5
I6
L4
L3
L2
L1
M1
M2
M3
N6
N4
N8
N3
N2
N10
N1
N7
N5
N9
F3
M1
M2
M3
K4
K5
I6
TUNER L-IN
TC L-IN
TUNER R-IN
TC R-IN
A-GND
VCD L-IN
VCD R5-IN
FL-OUT
FR-OUT
F-GND
LS-OUT
RS-OUT
S-GND
A-GND
A-GND
A+10V
DBFB FEEDBACK
TC REC L-OUT
TC REC R-OUT
MIC-IN
C-OUT
C-GND
LINE-MUTE
L
R
L
R
L
R
IN
OUT
MD
VIDEO
(AUDIO)
IN
WOOFER
OUT
OUT
OPTICAL
D.GND
VCC
D.OUT
(CHASSIS)
OPTICAL
TRANSCEIVER
INVERTER
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
Q604,605
DBFB CONTROL/
FEED BACK SWITCH
REGULATOR
+3.3V
REGULATOR
+5V
Q603
INPUT SELECT SWITCH,
ELECTRICAL VOLUME
EQUALIZER CONTROL,
GRAPHIC
DIGITAL AUDIO
INTERFACE RECEIVER
(CHASSIS)
SUB
5-7.
SCHEMATIC DIAGRAM – DSP Board (2/2) –
•
See page 11 for Waveforms.
•
See page 11 for IC Block Diagram.
(Page 16)
(Page 12)
ST-SV7
18
18
5-8.
PRINTED WIRING BOARDS – PANEL Section –
•
See page 10 for Circuit Boards Location.
FL601
FLUORESCENT
INDICATOR
TUBE
S611
JW45
S610
S604
S605
S609
S608
S606
S607
S601
S602
S603
R620
X601
C608
C607
C606
R628
R629
R630
R607
R632
R604
R634
R631
R636
R633
R638
R635
C601
R603
JW8
JW6
R605
R618
R619
R621
R622
R623
R624
R625
R626
C610
NO601
R637
R617
C652
JW10
R608
R616
CN602
C605
C653
C654
C655
C656
C657
C658
C659
C660
C661
C662
JW3
C651
R639
R606
D601
JW11
JW57
JW31
JW33
JW36
JW24
C649
C650
JW1
JW4
JW601
JW602
R677
JW114
R602
R601
C603
C663
C664
C669
JW5
IC601
NO101
R101
R102
C101
IC101
C665
C666
C615
C614
PANEL BOARD
S601 – 611
ENTER
–
PRESET
TUNER MEMORY
STEREO/MONO
TUNER/BAND
–
+
+
TUNING
D
MAIN BOARD
CN502
TIMER SELECT
CLOCK/TIMER
DISPLAY
1
3
1-680-696-
11
(23)
1-680-697-
11
(23)
1
1
3
3
SIRCS
BOARD
BOARD
A
B
C
D
1
2
3
4
5
6
7
8
9
10
• Semiconductor
Location
Ref. No.
Location
D601
C-5
IC101
C-10
IC601
B-5
(Page 14)
ST-SV7
19
19
R617
C101
R102
R101
NO101
IC101
R677
D601
S601
R616
C662
C661
C
660
C659
C658
C
657
C
656
C655
C
654
C
653
C652
C
651
C610
R
638
R636
R634
R632
R630
R628
R
635
R
633
R
631
R629
R
637
TP
605
TP606
TP607
R
639
TP604
C650
TP603
R603
C601
R
604
R605
C605
R608
C606
S611
S610
R626
R625
S609
S608
R624
S607
R623
R622
S606
S605
R621
S604
R620
R619
S603
S602
R618
NO601
CN602
TP608
FL601
C669
C608
C607
X601
C603
R606
R607
C667
C668
IC601
R601
R602
TP602
TP601
C649
C663
C664
C665
C666
C
615
C614
270
47
16V
47
47
3P
GP1U28X
1k
1SS133T-72
100k
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
10
50V
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
1k
1k
10000p
10k
10000p
100
100
10000p
10k
10
50V
3.9k
2.7k
2.2k
1.5k
1.2k
1k
820
560
470
3P
19P
0.1
0.1
100
6.3V
4MHz
0.1
10k
10k
0.1
0.1
MB90M407PF-G-102
-BND
10k
10k
10000p
10000p
0.1
47
50V
47
50V
220p
220p
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
47
46
45
44
43
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
96
97
98
99
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
43
44
45
46
47
100
101
96
97
98
99
100
101
B1
B2
B3
B4
B5
B6
B7
B8
B9
B9
B8
B7
B6
B5
B4
B3
B2
B1
G7
G
6
G
5
G
4
G
3
G
2
G
1
A
1
A2
A3
A
4
A
5
A
6
A
7
A
8
A
9
A10
A11
A12
A13
A14
VS
S
FO
R
IO
V
D
D FO
R
VFT
A15
A
16
A17
A
18
A19
A20
A
21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
VSS FOR IO
A33
A34
A35
A36
A37
VKK FOR VFT
MODE0
MODE1
M
O
D
E2
VO
LA
V
O
LB
I2C
D
A
TA
I2C
C
LK
AV
CC
FO
R
AN
A
LO
G
AV
S
S
FO
R
AN
A
LO
G
KE
Y0
KEY1
VSS FOR CPU
VCC FOR CPU
G8
G9
G10
G11
A38
G12
KEY1
VOLA
VOLB
JOG2-B
JOG2-A
JOG1-B
JOG1-A
G12
G12
G7
GND
+5V
OUT
GND
+5V
OUT
VF
VF
IIC-CLK
IIC-DATA
-VP
D+3.3V
SIRCS
D-GND
RESET
D-GND
FLUORESCENT INDICATOR TUBE
DISP/STANDBY KEY
EVER+5V(SIRCS)
DISPLAY
REMOTE CONTROL
RECEIVER
XOUT
XIN
RESET
JO
G
1A
JO
G
1B
JO
G
2A
JO
G
2B
DISPLAY CONTROLLER
STEREO/
MONO
TUNER MEMORY
+
-
+
-
PRESET
TUNING
ENTER
TUNER/BAND
TIMER SELECT
CLOCK/TIMER
5-9.
SCHEMATIC DIAGRAM – PANEL Section –
•
See page 11 for Waveform.
(Page 13)
ST-SV7
20
20
5-10.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC501 M30622MGA-A69FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AMP-DATA
O
Serial data output to the M61512FP (IC607)
2
AMP-CLK
O
Serial data transfer clock signal output to the M61512FP (IC607)
3
AMP-LAT
O
Serial data latch pulse signal output to the M61512FP (IC607)
4
SIRCS
I
Remote control signal input from the remote control receiver (IC101)
5
DIG-TX
O
Serial data output to the CXD9617R (IC601), digital audio interface receiver (IC604) and digital
filter (IC606)
filter (IC606)
6
DSP-RX
I
Serial data input from the digital audio interface receiver (IC604)
7
DIG-CLK
O
Serial data transfer clock signal output to the CXD9617R (IC601), digital audio interface receiver
(IC604) and digital filter (IC606)
(IC604) and digital filter (IC606)
8
GND
—
Ground terminal
9
CNVSS
—
Not used
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator (IC551) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Fixed at “H” in this set
18
RDS-INT
I
Serial data transfer clock signal from the RDS decoder Not used (open)
19
—
—
Not used (open)
20
RDS-DATA
I
Serial data input from the RDS decoder Not used (open)
21
ST-MUTE
O
Tuner muting on/off control signal output to the FM/AM tuner unit “L”: muting on
22
ST-CE
O
Chip enable signal output to the FM/AM tuner unit
23
ST-DOUT
O
Serial data output to the FM/AM tuner unit
24
—
—
Not used (open)
25
ST-DIN
I
Serial data input from the FM/AM tuner unit
26
—
—
Not used (open)
27
ST-CLK
O
Serial data transfer clock signal output to the FM/AM tuner unit
28
—
—
Not used (open)
29
IIC CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the display
controller (IC601) and MCE-SV7
controller (IC601) and MCE-SV7
30
IIC DATA
I/O
Communication data bus with the display controller (IC601) and MCE-SV7
31 to 34
NO-USE
—
Not used
35 to 40
—
—
Not used (open)
41
M-RESET
O
Reset signal output to the display controller (IC601) “L”: reset
42 to 50
—
—
Not used (open)
51
NO-USE
—
Not used
52 to 57
—
—
Not used (open)
58
EXP-IN DATA
I
Serial data input from the I/O expander in the TA-SV7AV
59
EXP-OUT DATA
O
Serial data output to the I/O expander in the TA-SV7AV
60
EXP-LAT
O
Serial data latch pulse signal output to the I/O expander in the TA-SV7AV
61
EXP-CLK
O
Serial data transfer clock signal output to the I/O expander in the TA-SV7AV
62
VCC
—
Power supply terminal (+5V)
63
SOFT-TEST
I
Soft test output terminal Not used (open)
Pin No.
Pin Name
I/O
Description
64
VSS
—
Ground terminal
65 to 70
—
—
Not used (open)
71
LINE-MUTE
O
Audio line muting on/off control signal output to the audio line circuit “L”: muting on
72
—
—
Not used (open)
73
DISPLAY KEY
I
DISPLAY switch (S601) input terminal
74
POWER KEY
I
Power on/off switch in the TA-SV7AV input terminal
75
DIR-UNLOCK
I
PLL lock error and data error flag input from the digital audio interface receiver (IC604)
76
DIR-CS
O
Chip enable signal output to the digital audio interface receiver (IC604)
77
DIR-XSTATE
I
Source clock switching monitor input from the digital audio interface receiver (IC604)
78
DIR-RX
I
Read data input from the digital audio interface receiver (IC604)
79
CODEC-SMUTE
O
Soft muting on/off control signal output to the A/D, D/A converter (IC605) “L”: muting on
80
DSP-ACK
I
Acknowledge signal input from the CXD9617R (IC601)
81
DSP-CS
O
Chip select signal output to the CXD9617R (IC601)
82
DSP-DECODE
O
Decode signal input from the CXD9617R (IC601)
83 to 86
—
—
Not used (open)
87
STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
88
TUNED
I
Tuning detection signal input from the FM/AM tuner unit “L”: tuned
89 to 91
—
—
Not used (open)
92
MODEL-IN
I
Model setting terminal
93
SPEC-IN
I
Specification setting terminal
94
—
—
Not used (open)
95
V-MUTE
O
Video muting on/off control signal output terminal “L”: muting on Not used (open)
96
AVSS
—
Ground terminal
97
—
—
Not used (open)
98
VREF
I
Reference voltage (+5V) input terminal
99
AVCC
—
Power supply terminal (+5V)
100
AC-CUT
I
AC cut on/off detection signal input from the reset signal generator (IC551)
“L”: AC cut on, “H”: AC cut off or checked
“L”: AC cut on, “H”: AC cut off or checked
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