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STR-K785
QQ
3 7 63 1515 0
– VIDEO Board –
CH1_IN1
CH1_IN2
CH1_IN3
CH2_IN1
CH2_IN2
CH2_IN3
TE
L 13942296513
IC203 NJM2279D
20kΩ
20kΩ
20kΩ
www
.
34
http://www.xiaoyu163.com
IC251 NJM2586AL
1
BIAS
SW1
2
3
BIAS
SW2
4
CONT2
5
BIAS
V+1
6
7
BIAS
GND
8
9
BIAS
GND
10
CONT2
11
BIAS
14
13
12
20kΩ
20kΩ
1
2
3
x
ao
y
i
http://www.xiaoyu163.com
8
75Ω
6dB
22
DRIVER
AMP
CONT1
21
75Ω
6dB
20
DRIVER
AMP
CONT1
19
75Ω
6dB
18
DRIVER
AMP
CONT1
17
16
BIAS
15
14
BIAS
13
12
BIAS
CONT2
Q Q
3
6 7
1 3
11
10
6dB Amp
6.3dB
4.14kΩ
6dB Amp
6.3dB
4.45kΩ
4.14kΩ
4
u163
.
2 9
9 4
2 8
CH1_OUT
P.SAVE
CH2_OUT
V+2
CH3_OUT
V-2
CH3_IN1
V-1
CH3_IN2
GND
CH3_IN3
1 5
0 5
8
2 9
9 4
9
8
75Ω Driver
75Ω
4.45kΩ
75Ω Driver
75Ω
5
6
7
m
co
9 9
2 8
9 9
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