+12V
+12V
+12V
+12V
+20V
+20V
+20V
+20V
+20V
MUTE_LR
GND12
-40V
-40V
+20V_FUSED
+40V
+40V
-40V_FUSED
-40V_FUSED
RS_EQAUD
RS+SPKR
+40V_FUSED
+40V_FUSED
R_EQAUD
C_EQAUD
L_EQAUD
B_EQAUD
LS_EQAUD
-20V
-20V
B+SPKR
B+SPKR
B+SPKR
B+SPKR
CMP_OUT
LS+SPKR
-12V
-12V
-12V
C+SPKR
L+SPKR
STBY
R+SPKR
7294_MUTE_C
PROTECT
7294_MUTE_LSRS
7294_MUTE_LR
100V,6A
100V,6A
8
7
6
5
4
3
1
2
3
4
5
6
7
8
A
B
C
D
D
C
B
A
1
112027
112027
FUSIBLE
2W
5.1
LM337T
LM317T
KBJ601
KBJ601
2.2uF
NU
3.65K
274K
3.65K
22.1K
100K
3906
100K
.01
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
.01
274K
5.6V
0.1
0.1
47
NON_POLARIZED
20,1/4W
20,1/4W
1.0K
1/2W
4700/50
4700/50
30K
30K
30K
2200
2200
2200
2200
432
22.1K
24.9K
49.9K
NU
24.9K
49.9K
432
10.0K
1.00K
10.0K
.01
274K
274K
.01
R704
1
J702
3
2
1
U708
2
3
1
U709
B700
B701
C790
D717
R801
R716
R798
R700
R715
Q727
R717
C792
C772
C774
C770
C777
C779
C778
C773
C775
C776
C701
R828
D724
C768
C767
C724
FTP747
FTP729
FTP717
FTP738
FTP715
FTP736
FTP734
FTP721
FTP725
FTP745
FTP746
FTP714
FTP712
FTP703
FTP704
FTP709
FTP711
FTP706
FTP701
FTP702
FTP720
TP700
FTP735
FTP731
FTP737
FTP705
FTP730
FTP732
TP708
FTP713
TP707
FTP722
TP720
FTP700
FTP748
FTP726
FTP708
R714
R713
FTP710
TP702
GND1
R803
2
J701
13
J701
15
J701
14
J701
12
J701
10
J701
9
J701
1
J701
3
J701
5
J701
4
J701
7
J701
11
J701
6
J701
8
J701
2
J702
4
J702
3
J702
5
J702
C791
C730
R814
R815
R813
1
J700
17
J700
3
J700
12
J700
11
J700
14
J700
10
J700
6
J700
13
J700
5
J700
4
J700
7
J700
2
J700
8
J700
16
J700
18
J700
9
J700
15
J700
C732
C781
C780
C731
R800
R708
R751
R810
R811
R754
R809
R799
R709
R724
R808
C700
R718
R701
C703
1
1
1
1
ADJ
IN
OUT
IN
OUT
ADJ
STARGND
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
R
FRAMINGHAM, MA 01701-9168
TA-1 Home Theater Amplifier
Amplifier PCB
PCB P/N: 256421 Rev. 02
Sheet 2 of 2
Service Manual P/N: 263494 Rev. 00
2
