Sony MHC-S3 / TA-S3 Service Manual ▷ View online
10
TA-S3
SECTION 5
DIAGRAMS
5-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
• 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.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : Power on
no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Circuit Boards Location
AC OUTPUT board
THP board
SUB TRANS board
AC INPUT board
RELAY board
FRONT AMP board
PANEL board
TA-S3
11
11
5-2.
PRINTED WIRING BOARDS – FRONT AMP Section –
•
See page 10 for Circuit Boards Location.
TM101
NO109
JW142
IC801
D911
JW
49
JW12
C951
C952
C927
R952
IC924
LP902
CN105
CN104
JW109
JW150
JW
71
C911
C956
JW3
R951
JW139
JW143
JW138
EPT901
JW141
D881
C809
R815
JW
179
JW
108
Q871
Q881
R883
R885
R974
R887
R862
C859
C808
L811
R812
JW39
C858
RY881
L861
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
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
C861
C862
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
Q962
R971
R970
R969
EPT902
JW
56
JW176
R925
JW174
JW175
JW172
JW153
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
1
2
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
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
JW880
JW62
JW149
JW
122
JW
35
R915
R912
JW170
JW97
JW64
D981
C915
JW151
JW
36
JW
54
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
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
JW602
JW603
JW601
R972
R841
R842
R843
Q963
E
Q841
E
Q842
E
NO110
THP841
CN999
23
22
FRONT AMP BOARD
E
E
3
1
3
1
1
5
L
–
+
–
+
R
FRONT SPEAKER
IMPEDANCE
USE 6 – 16
Ω
SYSTEM CONTROL 1
FROM ST-S3
A
SUB TRANS
BOARD
CN903
E
7
1
1
3
E
E
E
M
(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)
1-680-749-
D
PANEL BOARD
CN700
G
AC OUTPUT
BOARD
CN113
1
5
(CHASSIS)
SYSTEM CONTROL 2
FROM ST-S3
RELAY BOARD
1-680-755-
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
THP BOARD
1-682-168-
11
(21)
(Page 16)
(Page 16)
(Page
14)
(Page 16)
(Page
16)
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
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
Q841
G-4
Q842
G-4
Q851
G-7
Q871
I-11
Q881
D-3
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
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
TA-S3
12
12
TP205
TP203
TP201
TP199
TP202
TP204
TP200
TP198
TP197
TP196
TP195
TP194
TP193
TP192
TP191
TP190
TP189
TP188
TP187
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
D972
D971
D970
D973
D974
D975
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
D998
R830
C821
R879
D871
R827
Q821
Q871
C941
Q904
CN111
CN110
R871
R821
IC310
Q903
Q902
CLP1001
TP106
TP107
TP101
TP102
TP103
TP104
TP105
NO101
CN104
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
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
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
4.7
100V
100k
1SS133T-72
22k
2SC2878
2SC2878
0.1
2SC2001
14P
19P
560
2W
560
2W
PT8300-S
2SB1116
2SC2785
7P
23P
2
3
4
6
7
8
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
X1
X2
X3
X4
X5
X6
X7
X1
X2
X3
X4
X5
X6
X7
X8
X8
X9
X10
X10
X11
X12
D-I
D-I
D-O
D-O
T1
T2
T3
T4
Z3
Z2
Z1
Z2
Z3
Z4
Z5
Z6
Z7
KEY0 TA
POWER KEY
FRONT-GND
MIC-SIG
MIC-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
VF
VF
VOLA
VOLB
D-GND
AC LOW
AC LOW
AC HIGH
AC HIGH
VP
CT
EVER+5V
M(A)-GND
CT
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
+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
MIC-SIG
MIC-GND
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
CHASSIS
CHASSIS
FR-IN
FL-IN
SYSTEM CONTROL 2
NC
(CHASSIS)
VF
VF
VP
AC4(HIGH)
AC4(HIGH)
AC3(LOW)
AC3(LOW)
FROM ST-S3
FROM ST-S3
(FAN)
FAN+
FAN-
5-3.
SCHEMATIC DIAGRAM – FRONT AMP Section (1/2) –
(Page 13)
(Page 17)
(Page 17)
(Page 17)
(Page 15)
TA-S3
13
13
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.
TP108
TP109
TP110
TP112
TP114
TP115
TP116
TP117
C987
EPT901
EPT902
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
D801
R808
R804
C807
C806
R809
C857
C856
R859
R858
R857
D851
R854
R856
R802
C802
C852
R852
C812
C853
C803
R851
C811
R801
C801
R803
C804
C854
R853
C851
Q961
R966
C963
R965
D963
R967
R973
R974
Q963
R971
R972
R969
C964
R970
R889
R951
R952
C951
C952
D911
C911
C912
TM101
C809
C808
L861
L811
C858 C859
D881
R887
R883
R885
Q881
R805
R855
Q962
Q883
Q891
Q892
Q893
Q851
Q801
THP841
R881
JW880
NO102
R841
Q841
Q842
R842
R843
NO110
CN999
IC801
R812
R862
C861
C862
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
1SS133T-72
100k
56k
0.068
0.068
10
1/2W
0.068
0.068
10
1/2W
100k
15k
1/4W
1SS133T-72
56k
1k
56k
220p
220p
56k
0.01
100p
100p
1k
0.01
1k
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
3300
63V
3300
63V
D5SBA20
0.1
100V
0.1
100V
4P
0.1
0.1
0.1
0.1
1SS133T-72
100k
47k
10k
2SA1175
0.22/0.22
5W
0.22/0.22
5W
2SA988
2SC2785
2SC2785
2SC2785
2SA1175
2SC2785
2SC2785
820
2W
5P
100k
2SC1841
2SC2785TP
68k
68k
2P
2P
STK402-090S
4.7
1/2W
4.7
1/2W
0.01
0.01
2
3
4
6
7
8
11
X9
X12
T1
T2
T4
Y5
X11
T3
Y
5
Y
4
AC1
AC1
AC1-GND
L-GND
R-GND
L-CH
R-CH
(CHASSIS)
(CHASSIS)
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
(CHASSIS)
AC2-GND
Q841,842
THERMAL DETECT
IMPEDANCE
USE 6-16
Ω
FRONT SPEAKER
(2/2)
(Page 12)
(Page 17)
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