Sharp HT-DD5000W Service Manual page 45

HT-DD5000W
IC401 VHiM62446FP-1: 6ch Electronic Volume (M62446FP)
IC402 VHiTC9273F/-1: Function Switch (TC9273F)
1
VSS
2
S1
3
S2
4
S3
5
S4
6
S5
L-ch 7
S6
8
S7
9
S8
10
S9
11
S10
12
S11
13
GND
14
CK
28
VDD
27
S1
26
S2
25
S3
24
S4
23
S5
R-ch
22
S6
21
S7
20
S8
19
S9
18
S10
17
S11
16 STB
15 DATA
Figure 44 BLOCK DIAGRAM OF IC
– 44 –
VSS
1
S1 2
S2 3
S3 4
S4 5
S5 6
LATCH
S6 7
CIRCUIT
S7 8
S8 9
S9 10
S10
11
S11 12
LEVEL SHIFT REGISTER CIRCUIT
13 14
GND
CK
VDD
28
S1
27
S2
26
25 S3
S4
24
(L-ch) (R-ch)
S5
23
10-BIT 10-BIT
LATCH
S6
22
CIRCUIT
S7
21
S8
20
S9
19
S10
18
S11
17
15 16
DATA STB