Table of Contents
Advertisement
A
B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM-2
U0024
POWER AMP. INPUT CIRCUIT
(INPUT STAGE) PC BOARD
1
BACLA-0087-1G
(PART-6)
2
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
4
w w w
5
.
http://www.xiaoyu163.com
C
D
63.9V[56.6V]
L
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5000
C5010
R5020
5
0V
6
330
1.5K
47/50
-61.3V[-54.0V]
-0.9V
R5040
1K
-58.8V[-51.5V]
-62.7V[-55.5V]
-63.9V[-56.6V]
63.9V[56.6V]
SL
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5003
C5013
R5023
5
0V
6
1.5K
47/50
330
-61.3V[-54.0V]
-0.9V
R5043
1K
-58.8V[-51.5V]
-62.7V[-55.5V]
-63.9V[-56.6V]
63.9V[56.6V]
SBL
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5005
C5015
5
R5025
0V
6
1.5K
47/50
330
-61.3V[-54.0V]
-0.9V
R5045
1K
-58.8V[-51.5V]
-62.7V[-55.5V]
x
a o
u 1 6 3
y
-63.9V[-56.6V]
i
4
3
2
1
E5509B
806/7.9 model
http://www.xiaoyu163.com
E
8
C
R5002
5
6
TX-SR707
TX-NR807
-SA707
-NA807
DTR-40.1
DTR-50.1
Q5060 - 5066
2SA949-Y
2SA1360-Y
Q5070 - 5076
2SC2229-Y
2SC3423-Y
(1/4W)
10
R5180
R
R5030
33K
R5001
NFL
7
5
R5230
+B1L
4
6
NC
-B1L
3
+BL
2
1.2V
-BL
1
-1.2V
(1/4W)
Q
Q
10
3
7
6
3
1
R5190
(1/4W)
10
SR
R5183
R5033
33K
R5004
NFSL
7
5
R5233
+B1SL
4
6
NC
-B1SL
3
+BSL
2
1.2V
-BSL
1
-1.2V
(1/4W)
10
R5193
10
(1/4W)
R5185
SBR
R5035
33K
NFSBL
7
5
R5006
+B1SBL
4
6
R5235
NC
-B1SBL
3
+BSBL
2
1.2V
-BSBL
1
-1.2V
c o
(1/4W)
10
R5195
.
***V[***V]
4
3
2
1
E5507B
706/6.9 model
F
G
2
4
9
9
8
(1/4W)
10
63.9V[56.6V]
R5182
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5032
33K
C5012
R5022
NFC
7
0V
1.5K
47/50
330
R5232
+B1C
4
-61.3V[-54.0V]
NC
-B1C
3
1.2V
+BC
2
-BC
1
-0.9V
R5042
1K
-58.8V[-51.5V]
-1.2V
-62.7V[-55.5V]
(1/4W)
10
-63.9V[-56.6V]
R5192
(1/4W)
10
63.9V[56.6V]
R5181
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5031
33K
C5011
R5021
NFR
7
0V
330
+B1R
4
1.5K
47/50
R5231
-61.3V[-54.0V]
NC
-B1R
3
+BR
2
1.2V
-BR
1
-0.9V
R5041
1K
-58.8V[-51.5V]
-1.2V
-62.7V[-55.5V]
(1/4W)
10
5
1
5
0
8
9
2
4
9
-63.9V[-56.6V]
R5191
(1/4W)
10
63.9V[56.6V]
R5184
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5034
33K
C5014
R5024
NFSR
7
0V
1.5K
47/50
330
R5234
+B1SR
4
NC
-61.3V[-54.0V]
-B1SR
3
+BSR
2
1.2V
-BSR
1
-0.9V
R5044
1K
-58.8V[-51.5V]
-1.2V
-62.7V[-55.5V]
(1/4W)
10
-63.9V[-56.6V]
R5194
(1/4W)
10
63.9V[56.6V]
R5186
62.1V[54.8V]
62.1V[54.8V]
-62.4V[-55.1V]
R5036
33K
C5016
R5026
NFSBR
7
0V
+B1SBR
4
1.5K
47/50
330
R5236
-61.3V[-54.0V]
NC
-B1SBR
3
+BSBR
2
1.2V
-BSBR
1
-0.9V
R5046
1K
m
-58.8V[-51.5V]
-1.2V
-62.7V[-55.5V]
(1/4W)
10
-63.9V[-56.6V]
R5196
***V[***V]
TX-NR807/
TX-SR707/
DTR-50.1
DTR-40.1
HT-RC180
H
2
9
9
8
2
9
9
BACLA-0087
Advertisement
Table of Contents
