Bose BUILT-INvisible TA-1 Manual de servicio - Página 5

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Bose BUILT-INvisible TA-1 Manual de servicio
8
7
C764
0.1
2
1
D
R778
100K
TP800
R775
TP845
2.49K
C727
R790
TP862
R786
B_EQAUD
16.5K
1.0/50
TP808
R812
TP706
Q712
100K
TP809
3904
Q716
MUTE_LR
140349
+40V
TP810
C725
R772
100/16
100K
R797
D718
2.49K
BAV99L
TP863
1
TP717
D720
TP718
TP719
D
Q724
Q725
2SA1179
S
C762
2
C765
R791
R794
1.0
TP811
1.0M
301
1
C
1.0
D721
2
2
-12V
1
R796
100K
TP869
C771
1.0
TP866
1
D723
1
R827
TP871
R825
2.0K
2.0K
R823
1.0M
TP864
U707
6
-
7
1/2
5
+
4559
TP867
R824
(8=+12V,4=-12V)
100K
R821
1
100K
TP822
R743
TP861
CMP_BIAS
R746
100K
10K
C719
U702
7
TP821
+
1
R745
CMP_OUT
1/4
0.47/50
6
-
1.0K
B
LM339
TP815
(3=+12V,12=-12V)
TP816
Q702
3904
R744
TP853
100K
C718
R757
10/16
16.5K
2
R759
R758
1
TP854
TP712
2.49K
49.9K
C748
.001
C713
R755
C_EQAUD
1.0/50
2.49K
C747
R756
D705
2
49.9K
.001
BAV99L
2
2
STBY
1
7294_MUTE_C
R768
100K
TP818
Q711
3906
TP819
R769
1.0K
TP825
A
R770
10K
C746
TP826
0.1
2
1
8
7
6
+40V
+40V
R773
1.0K
SGSD200
Q715
C753
TP804
D711
.0033
TP801
+20V
1N5402
R774
1.0K
SGSD200
Q717
Q718
3906
TP803
Q714
TP802
3904
C755
R707
.001
R789
75
200K
TP714
C759
R784
200
33.2K
270p
+12V
TP805
Q713
C760
R783
3904
R787
0.1
10.0M
1
49.9K
U707
2
-
TP806
R788
C758
1
B+SPKR_OUT
R785
1/2
3
10K
+
1
4559
.01
R711
2
(8=+12V,4=-12V)
Q723
R710
TP715
Q726
220
3906
5.1
TP716
C763
C761
0.1
1
TP868
0.1
1
TP807
-12V
C726
2
146818
R712
0.1
75
C757
R793
Q721
.001
1
3906
4.22k
TP812
Q719
SGSD100
Q722
3904
TP813
R795
1.0K
TP814
D712
-20V
C766
1N5402
.0033
Q720
SGSD100
R792
-12V
1.0K
D722
-40V
-40V
TP870
R826
2.0K
+40V
+40V
R747
1.0K
TIP146T
Q700
CMP_BIAS
C742
.01
Q701
3906
CMP_OUT
TP823
R703
D706
TP701
1.5K
+20V
1N5402
1
D701
TP817
R734
3.65K
C749
5.6V
R735
1.0K
.001
1
+40V
12
7
13
2
NC3
+VS
+PWVS
14
C704
IN-
OUT
C+SPKR
3
IN+
R816
C712
R806
R_EQAUD
4
IN+MUTE
U703
R903
330K
3.65K
1.0/50
10/25
9
STBY
TDA7294
332
10
6
MUTE
BTSTRAP
11
5
TP842
NC2
NC1
1
STBYGND
-VS
-PWVS
1
8
15
R763
1
-40V
1.0K
C750
STBY
D708
TP820
R762
.001
7294_MUTE_LR
1
3.65K
5.6V
D707
1
TP704
R706
-20V
1.5K
1N5402
TP824
Q710
3904
C752
.01
Q706
TIP141T
R771
1.0K
-40V
-40V
6
5
4
TP828
+40V
TP836
R733
TP850
CMP_BIAS
R740
100K
10K
U702
C714
Q704
9
TP838
+
14
CMP_OUT
1/4
0.47/50
R741
8
-
1.0K
LM339
R702
TP827
1.5K
(3=+12V,12=-12V)
Q703
3904
1
TP855
R742
TP829
100K
R732
C715
R750
1.0K
10/16
16.5K
2
R748
R749
1
TP711
TP858
2.49K
49.9K
C743
.001
2
C717
R753
R822
3
LS_EQAUD
0.062
4
2.49K
1.0/50
R752
9
C745
2
D716
49.9K
10
.001
B+SPKR
BAV99L
11
2
2
1
STBY
R761
1.0K
7294_MUTE_LSRS
R767
TP831
TP865
100K
Q707
3906
TP832
R705
1.5K
R766
TP834
1.0K
TP830
Q708
TP833
R765
C744
10K
0.1
2
1
-40V
R728
TP852
100K
C707
U702
5
+
2
1/4
0.47/50
4
-
LM339
(3=+12V,12=-12V)
TP848
C706
R737
10/16
16.5K
2
+40V
R739
R738
TP710
TP847
2.49K
49.9K
C738
12
7
13
.001
2
NC3
+VS
+PWVS
14
R729
IN-
OUT
3
IN+
R817
C705
4
2.49K
IN+MUTE
U700
R900
330K
10/25
9
R736
STBY
TDA7294
D702
C737
332
2
10
6
49.9K
MUTE
BTSTRAP
BAV99L
.001
11
5
NC2
NC1
TP843
STBYGND
-VS
-PWVS
1
8
15
2
2
1
-40V
C736
0.1
2
1
5
4
3
2
+40V
R730
1.0K
TIP146T
Q705
R725
TP857
CMP_BIAS
100K
C741
.01
U702
11
+
3906
13
CMP_OUT
1/4
TP837
0.47/50
10
-
LM339
D704
TP703
+20V
(3=+12V,12=-12V)
1N5402
D703
R731
TP849
3.65K
C740
5.6V
LS+SPKR
C710
R723
R802
.001
1
3.65K
10/16
16.5K
+40V
2
R719
TP709
1
TP856
2.49K
C734
12
7
13
.001
14
NC3
+VS
+PWVS
IN-
OUT
C702
R722
IN+
RS_EQAUD
R820
2.49K
IN+MUTE
U704
R904
330K
1.0/50
C716
C735
STBY
TDA7294
332
D715
6
.001
MUTE
BTSTRAP
10/25
BAV99L
5
NC2
NC1
TP844
STBYGND
-VS
-PWVS
1
8
15
2
-40V
1
C739
STBY
D709
R760
.001
7294_MUTE_LSRS
1
3.65K
5.6V
D710
TP705
1
-20V
1N5402
3904
C751
.01
TP835
Q709
TIP141T
R764
1.0K
-40V
R779
TP860
CMP_BIAS
100K
C723
3
5
+
+
1
7
CMP_OUT
1/2
0.47/50
1/2
2
6
-
-
U706
U706
LM393
LM393
(4=-12V,8=+12V)
(4=-12V,8=+12V)
TP846
C722
R780
16.5K
10/16
2
+40V
R782
R781
R+SPKR
TP713
TP851
2.49K
49.9K
C756
12
7
.001
2
NC3
+VS
C720
R776
IN-
3
R805
L_EQAUD
IN+
4
2.49K
IN+MUTE
U705
3.65K
1.0/50
C754
R777
9
STBY
TDA7294
49.9K
2
10
.001
MUTE
BAV99L
11
1
NC2
D719
STBYGND
-VS
2
2
1
8
1
STBY
-40V
7294_MUTE_LR
Service Manual P/N: 263494 Rev. 00
3
2
1
D
C709
RS+SPKR
+40V
R720
49.9K
R819
12
7
13
R804
2
14
330K
NC3
+VS
+PWVS
3.65K
IN-
OUT
3
IN+
C711
4
IN+MUTE
U701
R901
10/25
R721
9
STBY
TDA7294
1
2
332
49.9K
10
6
MUTE
BTSTRAP
11
5
NC2
NC1
TP840
STBYGND
-VS
-PWVS
2
1
8
15
1
-40V
C
C733
0.1
2
1
+12V
R727
100K
TP859
CMP_BIAS
R726
C708
1.0K
10/16
1
1
B
13
+PWVS
14
OUT
L+SPKR
R818
C721
R807
R905
330K
3.65K
10/25
332
6
BTSTRAP
5
NC1
TP841
1
-PWVS
15
A
R
FRAMINGHAM, MA 01701-9168
TA-1 Home Theater Amplifier
Amplifier PCB
PCB P/N: 256421 Rev. 02
Sheet 1 of 2
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