Sony MHC-SV7AV / TA-SV7AV Service Manual ▷ View online
TA-SV7AV
14
14
5-6.
PRINTED WIRING BOARD – SURROUND AMP Section –
•
See page 10 for Circuit Boards Location.
5-5.
IC PIN FUNCTION DESCRIPTION
JW1003
C1087
C1053
JW1002
IC1001
C1052
C1003
C1084
C1054
C1004
JW1015
JW1014
JW1013
JW1012
JW1011
JW1005
C1034
JW1007
R1055
RY1062
R1032
R1031
R1092
C1033
JW1008
R1033
Q1081
D1081
C1086
JW1006
R1088
R1087
R1086
CN1002
D1062
R1062
R1005
R1085
RY1061
JW1001
C1051
R1081
CN1003
R1047
Q1093
R1059
JW1018
R1004
R1051
THP092
R1052
R1003
JW1004
R1008
JW1017
R1089
Q1063
R1063
R1001
Q1061
JW1009
R1009
R1006
R1007
R1056
R1061
JW1019
R1093
JW1010
R1095
R1090
JW1016
R1057
R1058
R1054
R1060
D1002
C1083
R1094
R1082
Q1092
C1056
C1057
C1006
C1007
D1051
D1001
Q1051
Q1001
JW1021
R1010
D1061
R1083
C1001
JW1020
C1081
R1084
R1065
R1053
R1002
C1082
R1069
C1002
C1038
C1039
CLP1000
SURROUND AMP BOARD
1-680-750-
13
1
4
1
E
E
E
E
E
E
E
H
FRONT AMP
BOARD
CN103
J
FRONT AMP
BOARD
CN108
A
B
C
D
1
2
3
4
5
11
(21)
(CHASSIS)
• Semiconductor
Location
Ref. No.
Location
D1001
B-3
D1002
C-5
D1051
B-3
D1061
B-4
D1062
C-2
D1081
D-2
IC1001
B-1
Q1001
B-3
Q1051
B-3
Q1061
C-5
Q1063
D-5
Q1081
D-1
Q1092
A-4
Q1093
A-4
•
FRONT AMP BOARD IC310 PT8300-S (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input terminal Not used
3
CLK
I
Serial data transfer clock signal input from the tuner unit (ST-SV7)
4
LATCH
I
Serial data latch pulse input from the tuner unit (ST-SV7)
5
LED C
O
LED drive signal output of the CINEMA STUDIO C indicator (D706) “L”: LED on
6
LED B
O
LED drive signal output of the CINEMA STUDIO B indicator (D705) “L”: LED on
7
LED A
O
LED drive signal output of the CINEMA STUDIO A indicator (D704) “L”: LED on
8
LED EQ
O
LED drive signal output of the EQ indicator (D703) “L”: LED on
9
LED SUR
O
LED drive signal output of the SUR indicator (D702) “L”: LED on
10
LED BLU
O
LED drive signal output of the MULTI CHANNEL DECODING indicator (D781)
“L”: LED on
“L”: LED on
11
HP SW
I
Headphone detection signal input terminal “H”: headphone on
12
PROTECT
I
Over load detection signal input for speaker output “L”: over load
13
LATCHO
O
Serial data latch pulse output terminal Not used (open)
14
CLKO
O
Serial data transfer clock signal output terminal Not used (open)
15
—
—
Not used (open)
16
—
—
Not used (fixed at “L”)
17
—
—
Not used (open)
18
MUTING
O
Muting on/off control signal output terminal “L”: muting
19
LED PW
O
LED drive signal output of the I/1 indicator (D701) “L”: LED on
20
SUR RY
O
Relay drive signal output for the surround speaker (rear and center) protection “H”: on
21
F RY
O
Relay drive signal output for the front speaker protection “H”: on
22
STK PW
O
Power amplifier on/off selection signal output terminal “L”: standby, “H”: on
23
—
—
Not used (open)
24
STBY RY
O
Standby relay drive signal output terminal “L”: standby, “H”: power on
25
DATA OUT
O
Serial data output to the tuner unit (ST-SV7)
26
DATA IN
I
Serial data input from the tuner unit (ST-SV7)
27
PULLUP
—
Not used (open)
28
VCC
—
Power supply terminal (+5V)
(Page 11)
(Page 11)
TA-SV7AV
15
15
5-7.
SCHEMATIC DIAGRAM – SURROUND AMP Section –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 13)
(Page 13)
D1061
RY1061
R1009
R1059
C1056
C1057
C1033
C1034
R1047
R1031
R1032
R1004
R1084
R1054
C1003
R1002
C1002
R1052
C1052
C1083
R1082
C1082
R1051
R1081
R1001
CN1003
R1006
R1007
D1001
D1051
R1058
R1057
R1056
R1086
R1087
D1081
R1088
C1087
C1086
R1089
D1062
RY1062
Q1063
R1063
Q1061
R1010
R1060
R1090
D1002
CN1002
R1092
R1095
Q1093
R1093
R1094
R1005
R1055
R1085
R1008
R1065
R1062
R1061
C1001
C1004
C1054
C1051
C1081
C1084
C1053
R1083
R1069
IC1001
Q1092
Q1001
Q1051
Q1081
C1038
C1039
CLP1000
R1003
R1053
C1006
C1007
THP092
R1033
1SS133T
10
1/2W
10
1/2W
0.068
0.068
100
50V
50V
100
50V
50V
10k
100
100
56k
56k
56k
100p
56k
220p
56k
220p
100p
56k
220p
1k
1k
1k
4P
1k
15k
1SS133T
1SS133T
100k
15k
1k
1k
15k
1SS133T
100k
0.068
0.068
10
1/2W
1SS133T
BA1F4M
10k
2SA1175-HFE
47k
56k
68k
1SS133T
13P
100k
22k
2SC2785
100k
68k
0.22
2W
0.22
2W
0.22
2W
100k
22k
220
2W
220
2W
10
50V
47
10V
47
10V
10
50V
10
50V
47
10V
100p
1.3k
STK443-050
2SC2785
2SC2785
2SC2785
2SC2785
0.01
0.01
0.068
0.068
1
A1
A2
A3
A1
A2
A3
*
*
REAR L-OUT
REAR R-OUT
CENTER OUT
SURROUND RY
PROTECT
DC DET
REAR L-IN
REAR GND
REAR R-IN
CENTER GND
CENTER IN
GND
OVERLOAD DETTECT
-VL
+VL
REAR GND
CENTER GND
Q1092,1093
THERMAL DETECT
OVER
DETECT
LOAD
OVER
DETECT
LOAD
Q1061,1063
RELAY DRIVE
OVER
DETECT
LOAD
POWER AMP
(CHASSIS)
* R1003,1053
680
1k
(EA,SP)
(TH)
TA-SV7AV
16
16
D701
B-11
D702
C-10
D703
C-8
D704
B-8
D705
B-7
D706
B-6
D710
B-3
D781
A-6
IC701
B-3
IC702
C-3
Q701
C-6
Q702
C-6
Q710
C-3
5-8.
PRINTED WIRING BOARDS – CONTROL Section –
•
See page 10 for Circuit Boards Location.
JW504
JW503
R713
S711
S712
S713
S718
J703
S719
S714
S705
R712
S715
D706
D701
S710
D705
CN700
NO780
C735
IC702
IC701
NO711
JW522
R710
C710
Q701
R707
R708
JW505
FB704
C712
FB707
NO750
R736
C726
C711
R728
C723
C724
R729
R731
R730
C725
C729
R732
C727
C734
R735
C730
C733
JW508
C728
C732
C751
C705
CLP702
Q710
R737
C731
R740
R738
R711
CLP701
R739
C702
C701
C703
C704
C706
Q702
JW509
NO710
R733
R715
R709
JW517
R714
R721
R716
R717
R718
R719
D704
JW521
R720
JW520
JW524
JW512
JW514
JW510
JW515
JW511
R734
FB703
FB708
FB702
JW502
FB705
FB706
D702
JW518
JW507
JW506
JW705
S723
JW513
JW704
JW501
JW525
D703
JW519
C752
JW516
CLP703
RV761
RV762
NO761
D781
R724
NO781
C781
5
4
8
1
C741
C745
C746
C748
R751
R750
C743
R744
R745
R743
C747
C738
C740
C744
R747
D710
R746
C739
R742
C750
C737
C749
R749
C742
1
7
8
14
R748
2
4
5
3
1
6
7
2
4
5
3
1
6
7
R727
C722
R726
C721
C736
FB701
R741
R722
S717
7
J701 – 703
6
3
2
4
5
1
3
2
4
5
1
PANEL BOARD
E
2
1
E
FUNCTION
DIGITAL
MIC 2
J702
MIC 1
J701
(CHASSIS)
S703
ROTARY ENCODER
1
1
3
VOLUME
S702
ROTARY ENCODER
1
1
3
FILE SELECT
EQ
ENTER
SUR
v
V
b
B
EQ ON/OFF
SET UP
PHONES
S701
ROTARY ENCODER
1
1
3
D
FRONT AMP
BOARD
CN104
(CHASSIS)
CINEMA STUDIO
B
D705, S713
CINEMA
STUDIO
C
D706, S714
CINEMA STUDIO
A
D704, S712
D703, S711
1
3
1
3
D702, S710
I/1
D701, S705
1-680-754-
11
(21)
(CHASSIS)
MIC LEVEL
ECHO LEVEL
5
1
5
1
2
1
MULTI CHANNEL
DECODING
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
PICTURE
EFFECT
2
4
3
1
6
7
5
• Semiconductor
Location
Ref. No.
Location
(Page 11)
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
• IC Block Diagram
– PANEL BOARD –
– PANEL BOARD –
IC701
M65850P
TA-SV7AV
17
17
C781
S723
S718
S719
S715
S714
S713
S712
S710
S711
S705
D706
D705
D704
D703
D702
D701
FB707
D781
S701
S702
S703
RV761
Q710
R735
C731
R736
R738
C732
R
739
R
740
R737
C735
C729
C728
R732
R734
C734
C726
C724
FB702
R729
C751
CLP701
R728
C723
FB703
C733
R731
R730
C725
R733
FB706
FB705
FB704
C710
C712
CLP702
J703
JW704
R708
Q702
NO780
NO781
Q701
JW705
FB708
NO711
NO710
R716
R717
R718
R719
C701
C702
C703
C704
C705
C706
R707
R721
R720
R715
R714
R713
R712
R711
R710
R709
IC702(1/2)
IC702(2/2)
S717
R722
CN700
C721
R726
C722
R727
FB701
J701
J702
RV762
NO761
C711
NO750
R741
C736
R747
C750
R748
C749
C744
R749
C737
C738
D710
C741
C740
C742
R743
R745
R
74
4
C
743
R746
R751
R750
C746
C747
C748
C
745
C752
R742
C739
C730
C727
IC701
0.01
SEL5923A
SEL5923A
SEL5923A
SEL5923A
SEL5923A
SEL5223S
-TP15
0 H
SEL5E20C
50k
2SC2785
150k
2.2
50V
50V
100
10k
100
10V
10V
10k
100
k
1k
10
16V
2.2
50V
50V
0.1
50V
50V
22k
10k
47p
47p
0.22
50V
1k
0.01
10k
0.01
10
16V
1k
100k
1000p
100
0.001
0.001
100
BN1F4M
2P
2P
BA1A4M
3P
3P
2.2k
2.7k
3.9k
5.6k
0.01
0.01
0.01
0.01
0.01
0.01
330
15k
8.2k
1.5k
1.2k
1k
820
560
470
270
NJM4580D
NJM4580D
27k
25P
0.22
50V
1k
0.01
10k
50k
5P
0.01
5P
15k
2.2
50V
50V
120k
1
50V
22k
0.0068
0.15
47k
0.022
0.0068
MTZJ-T-72-5.1B
47
10V
47 10V
0.068
22k
22k
22k
0.0
01
270
22k
22k
0.47
50V
0.068
0.001
47
50V
10
16V
15k
1
50V
270p
470p
M65850P
LED-POWER
LED-SUR
LED-EQ
LED-DCS_A
LED-DCS_B
LED-DCS_C
LED-BLUE
LED-POWER
LED-SUR
LED-EQ
LED-DCS_A
LED-DCS_B
LED-DCS_C
LED-BLUE
A1
A2
A3
A4
A5
A6
A8
A9
A5
A4
A3
A2
A1
A6
A8
A9
LED-BLUE
VOL3-A
VOL3-B
HP-SW
HP-L
HP-R
D GND
HP-GND
POWER KEY
KEY0
LED-POWER
LED-SUR
LED-EQ
LED-DCS_A
LED-DCS_B
LED-DCS_C
JOG1-A
JOG1-B
JOG2-A
JOG2-B
SET UP
EQ ON/OFF
AGND for BULUE LED
MIC
A GND
EVER+5V
+12V
ENTER
DIGITAL
C
B
A
EQ
SUR
CINEMA
STUDIO
CINEMA
STUDIO
C
CINEMA
STUDIO
CINEMA
STUDIO
B
A
EQ
SUR
Q701,702
LED DRIVE
DECODING
MULTI CHANNEL
GND
GND
GND
2A
2B
1B
1A
3A
3B
FUNCTION
FILE SELECT
VOLUME
ROTARY ENCODER
ROTARY ENCODER
ROTARY ENCODER
PHONES
MIC LEVEL
REGULATOR
MIC AMP
(CHASSIS)
(CHASSIS)
3
2
4
1
5
6
8
7
EFFECT
PICTURE
MIC2
MIC1
ECHO LEVEL
O
P
2O
U
T
V
C
C
C
LO
C
K
R
EF
O
P
2IN
LP
F2IN
L
PF2
O
U
T
G
N
D
C
C
2
CC
1
O
P1IN
O
P
1O
U
T
LPF1O
U
T
LPF1IN
DIGITAL
ECHO
5-9.
SCHEMATIC DIAGRAM – CONTROL Section –
•
See page 16 for IC Block Diagram.
(Page 12)
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