DTR-7.6
IC BLOCK DIAGRAMS AND DESCRIPTIONS
BD3814FV(5.1ch Electronic Volume)
No. Terminal Description
No. Terminal Description
1
INP1
Input terminal 1
21
TNFR
Rch treble filter terminal
2
INN1
Input terminal 1
22
TNFL
Lch treble filter terminal
3
OUT1
Output terminal 1
23
BNF1R
Rch bass filter terminal 1
4
AGND1
Analog ground terminal 1
24
BNF2R
Rch bass filter terminal 2
5
INP2
Input terminal 2
25
BNF1L
Lch bass filter terminal 1
6
INN2
Input terminal 2
26
BNF2L
Lch bass filter terminal 2
7
OUT2
Output terminal 2
27
OUTFL
Front Lch output terminal
8
AGND2
Analog ground terminal 2
28
OUTFR
Front Rch output terminal
9
INSW
Subwoofer input terminal
29
OUTC
Center ch output terminal
10
AGND3
Analog ground terminal 3
30
OUTSL
Surround Lch output terminal
11
INSR
Surrond Rch input terminal
31
OUTSR
Surround Rch output terminal
12
AGND4
Analog ground terminal 4
32
OUTSW
Subwoofer output terminal
13
INSL
Surround Lch input terminal
33
AGND8
Analog ground terminal 8
14
AGND5
Analog ground terminal 5
34
DGND
Digital ground terminal
15
INC
Center channel input terminal
35
MUTE
Mute temrinal
16
AGND6
Analog ground terminal 6
36
DA
Serial data and latch input terminal
17
INFR
Front Rch input terminal
37
CL
Serial clock input terminal
18
AGND7
Analog ground terminal 7
38
AGND9
Analog ground terminal 9
19
INFL
Front Lch input terminal
39
VCC
Power supply tre
20
VEE
Power supply terminal -
40
AGND10
Analog ground terminal 10
1
2
3
4
5
6
7
8
AGND2
9
INSW
10
AGND3
11
INSR
12
AGND4
13
INSL
14
AGND5
15
INC
16
AGND6
17
INFR
18
AGND7
19
INFL
20
VEE
21
TNFR
22
TNFL
23
BNF1R
24
BNF2R
25
BNF1L
26
BNF2L
27
OUTFL
28
OUTFR
29
OUTC
30
OUTSL
31
OUTSR
32
OUTSW
33
AGND8
34
DGND
35
MUTE
36
DA
37
CL
38
AGND9
39
VCC
40
AGND10
- +
- +
TREBLE
BASS
INP1
LOGIC
INN1
OUT1
AGND1
INP2
INN2
OUT2
MASTER VOLUME
0~-95dB
1dB/step,MUTE