Schematic Diagram - Front Amp Section (1/2) - Sony TA-S7AV Service Manual

TA-S7AV
5-3. SCHEMATIC DIAGRAM – FRONT AMP Section (1/2) –
SYSTEM CONTROL 2
FROM ST-S5
NO109
5P
SUB-AC AC1
SUB-AC AC2
RELAY-UNREG RE
STBY RELAY X10
DGND
(Page 19)
JOG2-B(FIELD SELECT) TP205
JOG2-A(FIELD SELECT) TP204
JOG1-B(FUNCTION) TP203
JOG1-A(FUNCTION) TP202
VOLA TP201
VOLB TP200
AC HIGH TP199 C1100
AC HIGH TP198
AC LOW TP197 C1102
AC LOW TP196
SYSTEM CONTROL 1
VP TP195 C1101
FROM ST-S5
VF TP194 C1103
VF TP193
CT TP192
CT
REG GND TP191
D+5.7V TP190
D-GND TP189
EVER+5V TP188
M(A)-GND TP187
CN107
20P
CN112 CN113
CN110 5P 5P
19P
SR-IN SR-IN TP186
SR-OUT
S-GND S-GND TP185
S-GND
SL-IN SL-IN TP184
SL-OUT
CENTER-GND CENTER-GND TP183
CENTER-GND
CENTER-IN CENTER-IN TP182
CENTER-OUT
FR-OUT FR-IN FR-IN TP181
FRONT-GND FRONT-GND FRONT-GND TP180
FL-OUT FL-IN FL-IN TP179
MIC-GND MIC-GND MIC-GND TP178
MIC-SIG MIC-SIG MIC-SIG TP177
DBFB FEEDBACK DBFB FEEDBACK DBFB FEEDBACK TP176
CHASSIS CHASSIS CHASSIS TP175
POWER KEY POWER KEY POWER KEY TP174
EXP-CLK EXP-CLK EXP-CLK TP173
EXP-LAT EXP-LAT EXP-LAT TP172
EXP-OUT DATA EXP-OUT DATA EXP-OUT DATA TP171
EXP-IN DATA EXP-IN DATA EXP-IN DATA TP170
KEY0 TA KEY0 TA KEY0 TA TP169
NC NC TP168
CN111 CN106
14P 14P
C941
0.1
TP166
CLP1001
FAN+
TP167
FAN-
R905
2.2k
CN105
3P Q903
2SB1116
(CHASSIS)
Q902,903
FAN MOTOR 2SC2785
CN104
DRIVE
23P (AEP,UK)
25P (KR,MX,AUS)
HP-SW TP165
HP-L TP164
HP-GND TP163
HP-R TP162
JOG1-B TP158
JOG1-A TP157
JOG2-B TP156
JOG2-A TP155
VOL3-A TP154
VOL3-B TP153
POWER KEY TP152
KEY0 TP151
LED-POWER TP150
LED-SUR TP149
(Page 17)
LED-EQ TP148
LED-DCS_A TP147
LED-DCS_B TP146
LED-DCS_C TP145
LED-BLUE TP144
D GND TP143
EVER+5V TP142
+12V TP159
MIC TP160
TP161
MIC GND TP141
AGND for BLUE LED
(KR,MX,AUS)
(1/2)
+5.6V REGULATOR
O I D998
G
IC924 D991
NJM78L05A-T3 11ES2-NTA2
JOG2-B B
JOG2-A
D993
11ES2-NTA2
JOG1-B
B
C994 C927 C993
D924
JOG1-A 220 100 470
11ES2
10V 10V 16V
VOL-A
IC923
VOL-B NJM78L12A-T3
0.1 Z3 O I
G
Z2
0.1 Z5
D981
Z4
11ES2-NTA2
B C926
0.1 Z1 +12V REGULATOR
100
16V
0.1 Z7
D980
Z6
11ES2-NTA2
B
D925
1SS133T R991
-72 1k
T3
D926 R992
C914
R908 1SS133T 1k
1
2.2k -72
50V
Y7
Y6
Y8
T1
T2
MIC-SIG
PWR-KEY
CLK
LAT
D-I
D-O
R913
KEY0
47k
R915
47k
Q904
2SC2001
REGULATOR
C924
Z10
0.001
R906
1k
R903
10k
T4
Q902
R904 R907
100k 2.2k
X8
JOG1-B
1SS133T-72
JOG1-A
JOG2-B
JOG2-A
VOL-A
VOL-B
PWR-KEY
KEY0
X1
X2
X3
X4
X5
X6
X7
MIC-SIG
12 12
RE
AC2
D990
11ES2-NTA2
B
D992
C992
11ES2-NTA2
0.1
B
AC1
D995 D994
11ES2-NTA2 11ES2-NTA2
D923
B B
11ES2
D997 D996
11ES2-NTA2 11ES2-NTA2
B B
C925
10
50V C991
330
25V
C990
0.1
C919
C918
10
0.1
50V
IC310
PT8300-S
C916
100p
C917
R911 R910
100p C920 TP256
100 100
CLK 0.1
LAT R912 100 R916 100
X6 R917 330
X5 R918 330
TP255
X4 R919 330
X3 R920 330
X2 R921 330
X7 R923 1k
X8 R914 100
X9
C915
TP253
100p
TP250
TP251 TP252
SYSTEM
CONTROLLER
R879 D871 R827
C872 100k 1SS133T-72 22k
R880
0.47 R878 R877
1M
50V 4.7k 22k
D821
Q822
BN1F4M
MUTING
CONTROL
R821 C821
R830 560 4.7
2W 100V
R826
1k
Q821
2SC2878
R825
56
R875
56
Q871
2SC2878
R876
1k
Q821,871
R871 C871
MUTING 560 4.7
2W 100V
1
2
3
D-I
R927
D-O
47k
X10
(Page 13)
R926
10k
X11
R925
X12
47k
X13
X1
R924
47k
TP254
4
6
7
8
9
10
11