Read Sharp DV-660H (serv.man2) Service Manual online
DV-660S
DV-660H
DV-660H
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
• Block Diagram
BCK
LRCK
DATA
ML/IIS
MC/DM1
MD/DM0
MD/DM0
CS/IWO
MODE
MUTE
RST
Sirial
Input
Input
I/F
Mode
Control
I/F
XTI
XTO
CLKO
V
CC
AGND
DGND
V
DD
Power
BPZ-Cont.
Crystal OSC
8-time oversampling
digital filter with
function controller
Multilevel
delta/sigma
modulator
DAC
20 19
9
10
DAC
Low-pass
filter
Low-pass
filter
V
OUT
L
V
CC
2L
AGND2L
V
CC
2R
AGND2R
EXTL
EXTR
V
OUT
R
ZERO
Open Drain
16
18
13
11
21
7
8
4
6
5
14
15
22
25
24
23
26
27
28
2
1
3
11-23
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