Read Sharp DV-760H (serv.man3) Service Manual online
DV-700S
DV-760S/H
DV-760S/H
Pin No.
Terminal name
I/O
Operation function
1
LRCIN
I
LRCK clock input (fs)
(3)
2
DIN
I
Data input
(3)
3
BCKI
I
Bit clock input for data.
4
CLKO
O
System clock buffered output.
5
XTI
I
Connection of crystal oscillator or external clock input.
6
XTO
O
Connection of crystal oscillator
7
DGND
–
Digital GND
8
V
DD
–
Digital power +5V
9
V
CC
2R
–
Analog power +5V
10
AGND2R
–
Analog GND
11
EXTR
O
Rch Analog output amp. • common
12
NC
–
Not connected.
13
V
OUT
R
O
Rch Analog voltage output
14
AGND1
–
Analog GND
15
V
CC
1
–
Analog power +5V
16
V
OUT
L
O
Lch Analog voltage output
17
NC
–
Not connected.
18
EXTL
O
Lch Analog output amp. • common
19
AGND2L
–
Analog GND
20
V
CC
2L
–
Analog power +5V
21
ZERO
O
Zero data • flug
22
RSTB
I
Resetting. While this pin is in "L" state, the DF and delta -sigma modulator is in reset state.
(1)
23
CS/IWO
I
Chip selection/input format selection
(2)
24
MODE
I
Mode control selection (H: Software, L: Hardware)
(1)
25
MUTE
I
Mute control
(1)
26
MD/DM0
I
Mode control data/deemphasis selection 1
(1)
27
MC/DM1
I
Mode control BCK/deemphasis selection 2
(2)
28
ML/IIS
I
Mode control latch/input format selection
(1)
Note: (1) Pins 22, 24, 25, 26, 27, and 28: With Schmidt trigger input pull-up resistor (2) Pin 23: With Schmidt trigger input pull-down resistor
(3) Pins 1, 2, and 3: Schmidt trigger input
11-16. IC801 PCM1716E
AUDIO D/A CONVERTER
BCKI
LRCIN
DIN
ML/IIS
MC/DM1
MD/DM0
MD/DM0
CS/IWO
MODE
MUTE
RSTB
Sirial
Input
Input
I/F
Mode
Control
I/F
XTI XTO
CLKO
V
CC
1AGND1
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
• Block Diagram
11-22
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