Sharp HT-DD5000W Service Manual page 48

IC809,810 VHiAK4321VF-1: D/A Converter (AK4321VF)
LRCK
9
BICK
7
SDATA
8
PD 6
SMUTE 10
DFS 11
TTL
24
DZF
23
CKS
DVDD
DVSS
XTO
XTI
PD
BICK
SDATA
LRCK
SMUTE
DFS
DEM0
DIF0 DIF1 DEM0 DEM1
14 15 12
Serial Input De-emphasis
Interface Control
∆ ∑
8x
Interpolator Modulator
∆ ∑
8x
Interpolator
Modulator
Clock OSC/Divider
5 4 1 2
XTI XTO CKS DVDD DVSS
1
2
3
4
5
6
VIEW
7
8
9
10
11
12
Figure 47 BLOCK DIAGRAM OF IC
AVDD AVSS
13 20 21
SCF
SCF
3 22
VREF
24
23
22
21
20
19
TOP
18
17
16
15
14
13
– 47 –
HT-DD5000W
VCOM
19
CTF
AOUTL
18
CTF AOUTR
17
BVDD
16
TTL
DZF
VREF
AVSS
AVDD
VCOM
AOUTL
AOUTR
BVDD
DIF1
DIF0
DEM1