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SB-4000-1


" ".

1. .
2. U114.
3. U116.

1. D1,D2.

, D1,D2
5V. ,
, 4V
( ),
: D1,D2, CN1,
6 7 CN1
(86FS49AUG) U108 . 55 56,
.
.

, .. D3,D4 D1,D2,
D1,D2 0.2 V.
D1,D2 0.2V, 0.8V,
:
) D3,D4 ( )
) D3,D4
() D3,D4
( )
() (2.3V) R26
(6V) 1 CN1.
1 CN1 R26
, .. 2.
1 CN1 R26
D3,D4 .. 3.
2. CN1, U114,
U114 .




3. U116, R423,R424 .50
51 (86FS49AUG) U108, .
3 7 U116 .
.
.