Read Sharp DV-760H (serv.man3) Service Manual online
DV-700S
DV-760S/H
DV-760S/H
11-23
Pin No.
Terminal name
I/O
Operation function
1
NC
–
Not connected.
2
SCKI
I
System clock input. (256fs/384fs)
3
TEST
–
Not connected. Be sure to open.
4
ML
I
Control data input. Enable terminal. *
1
5
MC
I
Control data input. Bit clock terminal. *
1
6
MD
I
Control data input. Data terminal. *
1
7
RSTB
I
Reset input terminal. Active “L” *
1
8
ZERO
O
Infinity zero flag output terminal. Open drain.
9
VOUTR
O
Rch analog voltage output terminal.
10
AGND
–
Analog GND terminal.
11
VCC
–
Analog power terminal.
12
VOUTL
O
Lch analog voltage output terminal.
13
CAP
–
Internal bias decouple terminal
14
BCKIN
I
Audio data. Bit clock input terminal. *
2
15
DIN
I
Audio data. Data input terminal. *
2
16
LRCIN
I
Audio data. Reference sampling clock input terminal. *
2
17
TEST
–
Connect to GND.
18
NC
–
Not connected. Be sure to open.
19
VDD
–
Digital power terminal.
20
DGND
–
Digital GND terminal.
*1: Internal pull-up provided. Schmidt trigger input.
*2: Schmidt trigger input.
*2: Schmidt trigger input.
11-17. IC802~ 803 PCM1720E
AUDIO D/A CONVERTER (DV-760S/H)
• Block Diagram
BCKIN
LRCIN
DIN
ML
MC
MD
RSTB
Serial
Input
I/F
Mode
Control
I/F
256fs/384fs
SCKI
VCC AGND
CGND
VDD
Power Supply.
BPZ-Cont.
8X Oversampling
Digital Filter
with
Function Controller
Multi. -level·
Delta/Sigma
Modulator
Multi. -level·
Delta/Sigma
Modulator
DAC
DAC
Low-pass
Filter
Low-pass
Filter
VOUTL
CAP
VOUTR
ZERO
Open drain
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