HT-DD5000W
– 44 –
IC401 VHiM62446FP-1: 6ch Electronic Volume (M62446FP)
Figure 44 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
OUT-
PUT
PORT
MCU
I/F
volume
volume
volume
volume
volume
volume
tone
tone
IC402 VHiTC9273F/-1: Function Switch (TC9273F)
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK
VDD
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
STB
DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
L-ch
R-ch
10
11
12
27
26
25
24
23
22
21
20
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
19
18
17
2
3
4
5
6
7
8
9
1
28
13
14
15
16
GND
CK
DATA
STB
VSS
VDD
(L-ch)
10-BIT
LATCH
CIRCUIT
(R-ch)
10-BIT
LATCH
CIRCUIT
LEVEL SHIFT REGISTER CIRCUIT