Denon DCD-1500AE, Service Manual

Page: 44 / 88

44
DCD-1500AE
DSD1791DBR (AD: IC114)
Block Diagram
GAL16V8 (AD: IC110)
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 PLRCK
PBCK
PDATA
DBCK
SCK
RST
V
DD
DGND
AGNDF
V
CC
R
AGNDR
V
OUT
R–
V
OUT
R+
V
COM
MS
MC
MDI
DSDL
DSDR
ZEROL
ZEROR
V
CC
F
V
CC
L
AGNDL
V
OUT
L–
V
OUT
L+
AGNDC
V
CC
C
Power Supply
DSDL
SCK
Advanced
Segment
DAC
Modulator
VOUTL+
VOUTL–
Bias
and
Vref
V
CC
F
V
DD
AGNDR
V
CC
R
AGNDL AGNDF
D/S and Filter
8
Oversampling
Digital
Filter
and
Function
Control
Audio
Data Input
I/F
PLRCK
PBCK
PDATA
MDI
MC
MS
AGNDC
V
CC
C
DGND
Current
Segment
DAC
and
I/V Buffer
VCOM
Function
Control
I/F
Zero
Detect
ZEROL
ZEROR
System
Clock
Manager
DSDR
DBCK
V
CC
L
VOUTR–
VOUTR+
D/S and Filter
Current
Segment
DAC
and
I/V Buffer
RST
clk
rst
count_out