Sony MHC-SV7AV / TA-SV7AV Service Manual ▷ View online
TA-SV7AV
11
11
5-2.
PRINTED WIRING BOARDS – FRONT AMP Section –
•
See page 10 for Circuit Boards Location.
TM101
TM102
NO109
CN113
JW142
CN103
IC801
CN108
D911
D951
JW
49
JW12
C951
C952
C927
C953
R952
IC924
LP902
CN105
CN104
JW150
JW
71
C861
C955
C912
C911
C956
JW3
R951
JW139
R953
JW143
JW138
R954
EPT901
JW141
D881
R835
R831
R815
JW
179
JW
108
Q871
Q881
R883
R885
R974
R887
R839
R837
R838
JW39
RY881
JW26
R896
R814
C837
D831
C854
JW163
JW
30
R894
JW148
C987
C916
C917
R889
D998
D993
D991
D992
D990
C991
C1100
D923
JW
28
Q894
JW187
JW196
R907
C857
JW40
C1103
JW197
R911
R903
Q893
Q897
R897
C893
R906
R898
Q895
JW
2
Q892
R895
JW
123
JW95
R804
R807
JW78
Q891
Q896
Q851
JW
115
JW
113
D994
D995
D997
D996
D924
C994
C925
CN107
JW
41
JW
116
JW
182
JW16
JW15
R908
D980
C1101
R881
C863
JW
183
JW
38
JW
101
CN106
R904
JW177
Q821
C891
R826
R876
JW
198
R825
C993
R875
C992
JW
20
JW
44
R821
C821
JW
186
JW17
R910
C871
JW
120
R827
R877
R878
D871
R879
R880
C872
JW
74
JW18
JW
126
JW165
C919
C920
JW180
JW160
JW159
R917
JW155
JW157
R918
JW
50
JW161
R914
JW154
R913
R916
JW84
R923
JW158
R919
R920
JW173
JW156
JW195
R921
JW
6
JW164
JW190
JW
134
JW127
JW
105
JW169
JW85
JW
104
JW
103
R857
JW
107
JW
100
JW61
R963
R964
JW
59
R805
R968
JW
48
R851
C852
R852
C962
JW
184
Q902
C853
R801
C802
R802
C801
D801
R803
C803
JW
42
JW
52
C941
C806
C851
C963
R966
C892
R965
D963
JW82
JW87
JW86
JW89
JW90
JW91
JW92
JW93
JW94
JW96
Q883
R973
R809
R972
Q962
R971
R970
R969
Q963
EPT902
JW
56
JW176
R925
JW174
JW175
JW172
JW153
JW27
NO101
JW
136
JW162
JW
135
JW13
JW
73
R871
C1036
JW192
R855
JW
68
JW140
Q961
JW
72
JW
102
C807
JW60
D802
JW
133
JW
117
JW
106
R854
Q903
JW99
R967
JW81
JW66
JW
51
JW
114
C918
C804
JW131
R924
R926
R830
Q822
D821
JW130
R927
JW128
R856
D851
D973
JW
55
C856
D975
R892
Q801
R808
R859
R806
JW65
C811
JW63
JW
57
C812
R905
D970
D972
D971
JW
185
JW
191
D974
JW
7
JW10
JW11
JW147
JW9
C964
R853
C862
C865
JW
29
JW
69
JW152
JW
80
JW
58
JW19
JW181
JW
31
C914
C926
R858
JW
8
JW
53
JW193
JW67
JW
111
R891
JW88
JW146
JW881
JW62
JW149
JW
122
JW
35
R915
R912
JW170
JW97
JW64
D981
C915
JW151
JW
36
JW
1
JW
54
C864
JW
75
C1037
JW
83
JW
119
JW145
JW132
C924
JW
79
D925
JW194
JW
21
JW
76
JW
32
JW70
C1102
JW
22
JW178
JW166
JW
43
C954
JW
45
JW
37
R991
JW47
JW
46
JW189
D926
R992
JW
34
JW167
C990
JW188
JW98
Q904
JW125
C961
JW168
NO102
JW
199
IC310
IC923
CN110
CN111
CN112
JW602
JW603
JW601
R836
C809
C833
R833
L832
C836
C831
C835
L833
R834
C832
C834
L831
R862
C859
C808
L811
L861
R861
C858
R832
R811
FRONT AMP BOARD
E
E
3
1
3
1
1
5
–
+
–
+
–
+
L
L
R
CENTER SPEAKER
IMPEDANCE
USE 8 – 16
Ω
REAR SPEAKER
IMPEDANCE
USE 8 – 16
Ω
–
+
–
+
R
FRONT SPEAKER
IMPEDANCE
USE 6 – 16
Ω
SYSTEM CONTROL 1
FROM ST-SV7
A
SUB TRANS
BOARD
CN903
E
7
1
1
3
E
E
E
M
M1
(FAN)
E
AC OUTPUT
BOARD
CN915
F
AC OUTPUT
BOARD
CN914
E
E
E
E
E
E
E
E
E
E
E
E
E
(CHASSIS)
13
1
1
4
H
SURROUND AMP
BOARD
CN1002
J
SURROUND AMP
BOARD
CN1003
1-680-749-
D
PANEL BOARD
CN700
G
AC OUTPUT
BOARD
CN113
1
6
(CHASSIS)
SYSTEM CONTROL 2
FROM ST-SV7
RELAY BOARD
1-680-755-
2
1
2
1
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
11
(21)
11
(21)
(CHASSIS)
CLP1001
D801
H-7
D802
G-7
D821
I-10
D831
D-3
D851
H-7
D871
I-11
D881
D-3
D911
B-10
D923
H-3
D924
G-2
D925
G-2
D926
G-2
D951
B-12
D963
I-6
D970
H-3
D971
I-3
D972
I-4
D973
H-4
D974
H-3
D975
H-3
D980
J-2
D981
F-3
D990
H-2
D991
H-2
D992
H-2
D993
H-2
D994
H-3
D995
H-3
D996
H-3
D997
H-3
IC310
H-10
IC801
H-5
IC923
F-3
IC924
F-2
Q801
H-7
Q821
I-10
Q822
I-10
Q851
G-7
Q871
I-11
Q881
D-3
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
Q883
D-3
Q891
H-9
Q892
H-9
Q893
H-10
Q894
G-9
Q895
G-9
Q896
H-9
Q897
G-9
Q902
J-3
Q903
J-3
Q904
J-4
Q961
H-7
Q962
H-4
Q963
G-4
(Page 18)
(Page 18)
(Page 14)
(Page 14)
(Page
16)
(Page 18)
(Page 18)
TA-SV7AV
12
12
TP205
TP203
TP201
TP199
TP202
TP204
TP200
TP198
TP197
TP196
TP195
TP194
TP193
TP192
TP191
TP190
TP189
TP188
TP187
TP186
TP185
TP184
TP183
TP182
TP181
TP180
TP179
TP178
TP176
TP177
TP175
TP174
TP173
TP172
TP171
TP170
TP169
TP168
TP165
TP164
TP163
TP162
TP158
TP157
TP156
TP155
TP154
TP153
TP152
TP151
TP150
TP149
TP148
TP147
TP146
TP145
TP144
TP143
TP142
TP159
TP160
TP161
TP141
C1100
C1102
C1101
C927
R919
R920
R918
R917
R912
R911
R913
R915
R921
R914
R916
R923
IC923
D994
D995
D997
D996
D923
C992
D990
D991
D993
D992
C993
D924
IC924
C994
C990
C991
C925
C926
D980
D981
C1103
D
97
2
D
97
1
D
97
0
D
97
3
D
97
4
D
97
5
CN107
NO109
CN106
CN105
TP166
TP167
R905
R904
R903
R907
R906
D821
Q822
C872
R880
R878
R825
R875
R826
R876
C871
R877
C924
TP251
TP250
C917
C916
C920
C918
C919
R992
R991
R908
C914
D925
D926
TP256
R910
TP255
TP252
TP253
R927
R926
R925
R924
TP254
C915
CN113
D998
R830
C821
R879
D871
R827
Q821
Q871
C941
Q904
CN112
CN111
CN110
IC310
Q903
Q902
CLP1001
CN104
R821
R871
M1
0.1
0.1
0.1
100
10V
10V
330
330
330
330
100
100
47k
47k
330
100
100
1k
NJM78L12A-T3
11ES2-NTA2
B
11ES2-NTA2
B
11ES2-NTA2
B
11ES2-NTA2
B
11ES2
0.1
11ES2-NTA2
B
11ES2-NTA2
B
11ES2-NTA2
B
11ES2-NTA2
B
470
16V
16V
11ES2
NJM78L05A-T3
220
10V
10V
0.1
330
25V
25V
10
50V
100
16V
16V
11ES2-NTA2
B
11ES2-NTA2
B
0.1
11ES
2
-N
TA
2B
11ES2
-N
TA
2B
11ES
2
-N
TA2B
11ES
2
-N
TA
2B
11ES
2
-N
TA
2B
11ES
2
-N
TA
2B
20P
5P
14P
3P
2.2k
100k
10k
2.2k
1k
1SS133T-72
BN1F4M
0.47
50V
1M
4.7k
56
56
1k
1k
4.7
100V
22k
0.001
100p
100p
0.1
0.1
10
50V
1k
1k
2.2k
1
50V
1SS133T
-72
1SS133T
-72
100
47k
10k
47k
47k
100p
5P
4.7
100V
100k
1SS133T-72
22k
2SC2878
2SC2878
0.1
2SC2001
5P
14P
19P
PT8300-S
2SB1116
2SC2785
25P
680
2W
680
2W
(FAN)
1
2
3
4
6
7
8
9
10
11
VOL-A
VOL-A
VOL-B
KEY0
KEY0
PWR-KEY
PWR-KEY
CLK
LAT
VOL-B
LAT
CLK
JOG1-B
JOG1-A
JOG2-B
JOG2-A
JOG2-B
JOG2-A
JOG1-B
JOG1-A
MIC-SIG
MIC-SIG
AC1
AC2
RE
RE
AC1
AC2
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z2
Z3
Z10
Z10
Y6
Y7
Y8
X1
X2
X3
X4
X5
X6
X7
X1
X2
X3
X4
X5
X6
X7
X8
X8
X9
X10
X10
X11
X12
X13
D-I
D-I
D-O
D-O
T1
T2
T3
T4
Z3
Z2
KEY0 TA
POWER KEY
FRONT-GND
CENTER-GND
MIC-SIG
MIC-GND
S-GND
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
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
STBY RELAY
RELAY-UNREG
DGND
SUB-AC
SUB-AC
FAN+
FAN-
VF
VF
VOLA
VOLB
D-GND
AC LOW
AC LOW
AC HIGH
AC HIGH
VP
CT
EVER+5V
M(A)-GND
CT
AGND for BLUE LED
SR-IN
SL-IN
CENTER-IN
FR-IN
FL-IN
JOG2-B(FIELD SELECT)
JOG2-A(FIELD SELECT)
JOG1-B(FUNCTION)
JOG1-A(FUNCTION)
REG GND
D+5.7V
CHASSIS
MIC
EVER+5V
MIC GND
+12V
(1/2)
SYSTEM CONTROL 1
Q902,903
FAN MOTOR
DRIVE
NC
REGULATOR
O
G
I
O
G
I
+12V REGULATOR
SYSTEM
CONTROLLER
MUTING
CONTROL
MUTING
Q821,871
+5.6V REGULATOR
KEY0 TA
POWER KEY
FRONT-GND
CENTER-OUT
CENTER-GND
MIC-SIG
MIC-GND
FR-OUT
FL-OUT
SR-OUT
SL-OUT
S-GND
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
KEY0 TA
POWER KEY
FRONT-GND
CENTER-GND
MIC-SIG
MIC-GND
S-GND
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
CHASSIS
CHASSIS
SR-IN
SL-IN
CENTER-IN
FR-IN
FL-IN
SYSTEM CONTROL 2
NC
(CHASSIS)
FROM ST-SV7
FROM ST-SV7
5-3.
SCHEMATIC DIAGRAM – FRONT AMP Section (1/2) –
(Page 19)
(Page 17)
(Page 13)
TA-SV7AV
13
13
TP107
TP106
TP105
TP104
TP103
TP102
TP101
TP108
TP109
TP110
TP111
TP112
TP113
TP114
TP115
TP116
TP117
TP118
TP119
TP120
TP121
TP122
TP123
TP140
TP139
TP138
TP137
TP136
TP135
TP134
TP133
TP132
TP131
TP130
TP129
TP128
NO101
C987
EPT901
EPT902
TP127
TP126
TP125
TP124
R814
R815
RY881
D802
R892
R891
C891
C837
D831
R894
C892
R895
R896
Q895
Q896
R898
Q897
Q894
R897
C893
R968
R963
R964
C962
C961
R806
R807
D
801
R808
R804
C807
C806
R809
C857
C856
R859
R858
R857
D
851
R854
R856
R802
C802
C852
R852
C812
C853
C803
R851
C811
R801
NO102
JW881
C801
R803
C804
C854
R853
C851
Q961
R966
C963
R965
D963
R967
R973
R974
Q963
R971
R972
R969
C964
R970
R889
R953
R951
R954
R952
C809 0.1
C808 0.1
C858
0.1
C859
0.1
R811 10 1/2W
L811
L861
R861 10 1/2W
R812
10
1/2W
R862
10
1/2W
C951
C953
C954
C952
D911
D951
C911
C912
C955
C956
TM101
D881
C862
C861
R887
R883
R885
Q881
R838
R837
R839
JW26
JW27
C863
C865
C864
TM102
CN103
CN108
IC801
R881
R805
R855
Q962
Q883
Q891
Q892
Q893
Q851
Q801
R833 10 1/2W
R831 10 1/2W
R835 10 1/2W
7P
0.1
47k
47k
1SS133T
-72
68k
56k
100
10V
10V
4.7
50V
50V
1SS133T-72
10k
2.2
50V
50V
10k
33k
2SC2785
2SC2785
4.7k
2SC2785
2SC2785
22k
100
10V
10V
1
100
100
100
100V
100
100V
1k
15k
1S
S
133T-72
100k
56k
0.068
0.068
10
1/2W
0.068
0.068
10
1/2W
100k
15k
1/4W
1S
S
133T-72
56k
1k
56k
220p
220p
56k
0.01
100p
100p
1k
0.01
1k
6P
4.7
50V
50V
270
47
10V
47
10V
270
4.7
50V
50V
2SC1841
33k
100
10V
10V
15k
1SS133T-72
10k
2.2k
10k
2SC1841
2.2k
22k
22k
47
50V
100k
10k
100k
100k
100k
100k
3300
63V
3300
50V
3300
50V
3300
63V
D5SBA20
D5SBA20
0.1
100V
0.1
100V
0.1
0.1
4P
1SS133T-72
0.01
0.01
100k
47k
10k
2SA1175
47k
47k
47k
0.01
0.01
0.01
6P
13P
4P
STK402-120S
220
2W
0.22/0.22
5W
0.22/0.22
5W
2SA988
2SC2785
2SC2785
2SC2785
2SA1175
2SC2785
2SC2785
1
2
3
4
6
7
8
9
10
11
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y1
Y2
Y3
Y4
Y5
Y8
Y9
Y10
Y11
Y9
Y10
Y11
X9
X12
T1
T2
T4
Y5
X13
T3
X11
OVERLOAD DETECT
+VL
GND
-VL
REAR L-OUT
REAR GND
REAR R-OUT
CENTER GND
CENTER OUT
SURROUND RY
DC DET
PROTECT
REAR L-IN
REAR GND
REAR R-IN
CENTER GND
CENTER IN
AC1
AC1
AC1-GND
VF
VF
VP
AC4(HIGH)
AC4(HIGH)
AC3(LOW)
AC3(LOW)
AC2
AC2
AC2-GND
L-GND
R-GND
L-CH
R-CH
REAR L-CH
REAR R-CH
CENTER
RR-GND
RL-GND
C-GND
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(2/2)
POWER AMP
AMP ON
SWITCH
Q894-897
PROTECTOR
PROTECT
DETECT
Q891,892
DC DETECT
DETECT
OVER LOAD
DETECT
OVER LOAD
Q962,963
AMP ON/OFF
CONTROL
Q881,883
RELAY DRIVE
(CHASSIS)
L
R
IMPEDANCE
USE 6-16
Ω
FRONT SPEAKER
L
R
IMPEDANCE
REAR SPEAKER
USE 8-16
Ω
IMPEDANCE
USE 8-16
Ω
CENTER SPEAKER
(CHASSIS)
L832
L831
L833
R836
10
1/2W
R834
10
1/2W
C833
0.1
C834
0.1
R832
10
1/2W
C831
0.1
C832
0.1
C836
0.1
C835
0.1
5-4.
SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 12)
(Page 15)
(Page 15)
(Page 19)
(Page 19)
(Page 19)
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)
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