Functional Block Diagram - Denon DVD-2910 Service Manual

FUNCTIONAL BLOCK DIAGRAM

LRCK
Audio
BCK
Data Input
DATA I/F
MUTE
RST
MSEL
MDO
MDI
Function
Control
MC
I/F
MS
ZEROL
Zero
ZEROR
Detect
SM8701BM (IC113)
MLEN/R2 1
P/S 2
V 3
DD
GND 4
XTO 5
XTI 6
GNDP 7
V P 8
DD
V 3 9
DD
MO 10
8
Oversampling
Digital
Filter
and
Function
Control
System
Clock
Manager
SM8701BM Terminal Function
Pin No.
20 MCK/R1 1
19 MDT/R0
2
18 RSTN
3
17 SO3
4
16 V O
DD
5
GNDO
15
6
14 SO2
7
13
SO4
8
9
12 SO1
10
11 MON
11
12
13
14
15
16
17
18
19
20
Note: 1. Schmitt trigger input with pull-down resistor
2. Schmitt trigger input with pull-up resistor
Current
Segment
DAC
and
I/V Buffer
Advanced
Bias
Segment
and
DAC
Vref
Modulator
Current
Segment
DAC
and
I/V Buffer
Power Supply
Pin Name I/O
Control signal input.
MLEN/R2 Ip 1 In serial mode: latch enable signal
In parallel mode: sampling rate select signal
Mode select signal.
1
P/S Ip
LOW: serial mode, HIGH: parallel mode
 5V supply (Digital block)
V
DD
 Ground (Digital block)
GND
XTO O Reference signal crystal oscillator element connection
Reference signal crystal oscillator element connection
XTI I
or external clock input
 Ground (PLL block)
GNDP
 5V supply (PLL block)
V P
DD
 3.3V supply (output buffer)
V 3
DD
MO O 27 MHz fixed-frequency output
MON O 27 MHz fixed-frequency output (inverted)
SO1 O 33.8688 MHz fixed-frequency output
SO4 O 768fs output
SO2 O 256fs output
 Ground (output buffer)
GNDO
 3.3V supply (output buffer)
V O
DD
SO3 O 384fs output
RSTN Ip 2 LOW-level reset input
Control signal input.
1
MDT/R0 Ip In serial mode: control data input signal
In parallel mode: sampling frequency select signal
Control signal input.
MCK/R1 Ip 1 In serial mode: clock signal
In parallel mode: sampling frequency select signal
75
DVD-2910/955
V OUT L−
V OUT L+
D/S and Filter
V COM
V OUT R+
V OUT R−
D/S and Filter
Function