Sony DSR-250 Service Manual page 143

2 3
1
XL-003 BOARD
CH1/CH2 MIC AMP
A
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
L801 R801
10uH
2200
3225
1/10W
C801
C809
0.001u
0.001u
1608
1608
C810
C802
0.001u 0.001u
CN801
1608 1608
CH1 AUDIO IN
C
L805 R802
10uH 2200
3225
1/10W
C805
C813
0.001u
0.001u
1608
1608
C806 C814
0.001u 0.001u
D
1608 1608
L803
10uH
3225
E
F
L802 R803
2200
10uH
1/10W
3225
C803
C811
0.001u
0.001u
1608 1608
C804 C812
CN802 0.001u 0.001u
1608 1608
CH2 AUDIO IN
G
L806
R804
10uH
2200
3225
1/10W
C815
C807
0.001u
0.001u
1608 1608
C816
C808
0.001u
0.001u
H 1608
1608
L804
10uH
16 3225
4 5 6
S801
D805
LINE/MIC
MA111-(K8).S0
R809
R805
C819 C823
2200
2200
4.7u
1/10W 1/10W 4.7u
50V 50V
R813
R819
220
270
1/10W
1/10W
R814
R823
R825
330 4700
C817 100k
1/10W 0.001u 1/2W
B
R820
R815
R810
R806
270
0
2200
2200
1/10W 1/10W
1/10W
1/10W
C820
C824
4.7u
4.7u
50V
50V
R827
100k
S802
LINE/MIC
D807
MA111-(K8).S0
R807
R811
2200
2200
1/10W
1/10W
C821
C825
4.7u
4.7u
R816 50V 50V
R821
220
1/10W 270
2012 1/10W
R817
330 R824
C818 4700
1/10W R826
1/2W
0.001u
2012 R822 100k
B
270
R818
R812
R808
0 1/10W
2200 2200
1/10W
1/10W 1/10W
C822 C826
4.7u 4.7u
50V 50V
R828
100k
4-113
7 8 9
IC801
R833
C833
4700 R849
4.7u
R829 ± 0.5%
4700
6.3V
100k
± 0.5%
P
C827
0.001u
B
C831
0.1u
3.3 6.8
3.3 3.3
B
5 6 7 8
C834 R851
4.7u 4700
6.3V ± 0.5%
P
-
R831 R853
+
100k 4700
R839 ± 0.5%
R837
120
120k ± 0.5%
+ ± 0.5%
-
R840
R843
120
47k
± 0.5%
± 0.5%
C839
4 3 2 1
0.001u
B
3.3 3.3 3.3
R835
4700
R844
± 0.5%
4700
± 0.5%
C837
R845
4.7u
39k
6.3V
± 0.5%
P
IC802
R834
C835
4700 4700
4.7u
R830
± 0.5%
R850
100k 6.3V
± 0.5%
P
C828
0.001u
B
C832
3.3 6.8 0.1u
3.3 3.3
B
5 6 7 8
C836
R852
4.7u 4700
6.3V ± 0.5%
P
-
+ R854
R832
4700
R841
100k ± 0.5%
120
R838 ± 0.5%
+
120k
± 0.5%
-
R842
120 R846
47k
± 0.5%
± 0.5%
C840
4 3 2 1
0.001u
B
3.3
3.3 3.3
C830
0.001u
B
R836
4700
R847
± 0.5%
4700
± 0.5%
C838
R848
4.7u
39k
6.3V
± 0.5%
P
10 11 12
IC803
C849
10u
C851
C843
16V
0.1u 0.1u
TA B
L807
1mH
R855
4700
± 0.5%
C841
0.001u
3.3 3.3 6.8
3.3
5 6 7 8
-
+
+
-
4 3 2 1
3.3 3.3 3.3
R857
XX
C845
C847
10u
0.1u
6.3V
B
P
IC804
C850
10u
C852
C844 16V
0.1u TA B 0.1u
L808
1mH
R856
4700
± 0.5%
C842
0.001u
3.3 6.8
3.3
3.3
5 6 7 8
-
+
+
-
4 3 2 1
3.3 3.3 3.3
C848
C846
10u 0.1u
6.3V B
P
4-114
DSR-250/250P
13 14
CN803 3P
1 CH1_+48V TO
DD-146 BARD
2 CH2_+48V CN306
3 GND (SEE PAGE 4-120)
CN804
8P
1 CH1_H
2 GND
3 GND
TO
4 AU_VCC VI-156 BARD(23/25)
CN011
5 AU_VCC
(SEE PAGE 4-58)
6 CH2_H
7 GND
8 GND
SIGNAL PATH
AUDIO
SIGNAL
REC
PB
CH1/CH2 MIC AMP
XL-003