41
DVX-100
IC531
PCM1716E-BT2
• IC Block Diagrams
– MAIN board –
IC304, 305
BA6289F
8 7
6
5
1
2
3
4
THERMAL
SHUTDOWN
POWER
SAVE
CONTROL
LOGIC
DRIVER
GND
OUT2
VREF
RIN
OUT1
VM
VCC
FIN
– MPEG board –
IC041, 051
S-816A25AMC-BAA-T2
3
2
5
OVERCURRENT
PROTECT
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMP
SINK
DRIVER
4
1
VOUT
VIN
ON/OFF
VSS
EXT
SOURCE
POWER
SUPPLY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
28
SERIAL
INPUT I/F
8 x OVER
SAMPLING
DIGITAL
FILTER
&
FUNCTION
CONTROLLER
MULTI-LEVEL
DELTA-SIGMA MODULATOR
DAC
DAC
LOW-PASS FILTER
(R)
LOW-PASS FILTER
(L)
MODE
CONTROL
I/F
CRYSTAL
OSC
BPZ-CONT
SCK
LRCIN
DIN
BCKIN
CLKO
XTI
XTO
DGND
VDD
VCC2R
AGND2R
EXTR
N.C
VOUTR
AGND1
M/IIS
MC/DM1
MD/DM0
MUTE
MODE
CS/IWO
OPEN
DRAIN
RST
ZERO
VCC2L
VCC1
AGND2L
EXTL
N.C
VOUTL
AMP
4
3
IN1
GND
VM2
IN2
AMP
6
5
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