Denon RBD-X1000, Руководство по обслуживанию

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87
PCM1791ADBR (MAIN : IC115)
Block Diagram
Block Diagram
SLES071A − MARCH 2003 − REVISED JANUARY 2004
www.ti.com
5
PIN ASSIGNMENTS
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 LRCK
BCK
DATA
MUTE
SCK
RST
V
DD
DGND
AGNDF
V
CC
R
AGNDR
V
OUT
R−
V
OUT
R+
V
COM
MS
MC
MDI
MDO
MSEL
ZEROL
ZEROR
V
CC
F
V
CC
L
AGNDL
V
OUT
L−
V
OUT
L+
AGNDC
V
CC
C
PCM1791A
(TOP VIEW)
SLES071A − MARCH 2003 − REVISED JANUARY 2004
www.ti.com
7
FUNCTIONAL BLOCK DIAGRAM
Power Supply
RST
SCK
Advanced
Segment
DAC
Modulator
VOUTL+
VOUTL−
Bias
and
Vref
V
C
C
F
V
D
D
AGNDR
V
C
C
R
AGNDL AGNDF
D/S and Filter
8
Oversampling
Digital
Filter
and
Function
Control
Audio
Data Input
I/F
LRCK
BCK
DATA
MDO
MDI
MC
MS
AGNDC
V
C
C
C
DGND
Current
Segment
DAC
and
I/V Buffer
VCOM
Function
Control
I/F
Zero
Detect
ZEROL
ZEROR
System
Clock
Manager
MSEL
MUTE
V
C
C
L
VOUTR−
VOUTR+
D/S and Filter
Current
Segment
DAC
and
I/V Buffer