Service manual

HT-DD5000/C
– 47 –
Figure 47 BLOCK DIAGRAM OF IC
IC809,810 VHiAK4321VF-1: D/A Converter (AK4321VF)
9
7
8
6
541 2 3
22
16
17
18
19
2120
13121514
10
11
24
23
Serial Input
Interface
8x
Interpolator
8x
Interpolator
Clock OSC/Divider
De-emphasis
Control
∆ ∑
Modulator
∆ ∑
Modulator
SCF
SCF
CTF
CTF
LRCK
BICK
SDATA
PD
SMUTE
DFS
TTL
DZF
XTI
DIF0 DIF1 DEM0 DEM1 AVDD AVSS
XTO CKS DVDDDVSS VREF
VCOM
AOUTL
AOUTR
BVDD
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
CKS
DVDD
DVSS
XTO
XTI
PD
BICK
SDATA
LRCK
SMUTE
DFS
DEM0
TTL
DZF
VREF
AVSS
AVDD
VCOM
AOUTL
AOUTR
BVDD
DIF1
DIF0
DEM1
TOP
VIEW