Read Sharp DV-NC55 (serv.man11) Service Manual online
77
DV-NC55S/H
DV-NC60H
DV-NC60H
BCK
LRCK
NA
NA
SCLK
DATA
TEST1
TEST2
RST
ML
MC
MDI
MDO
Sirial
I/F
Mulcher Level
Data-Sigma
Modulator
DAC
DAC
CR LPF
+
Output Amp
CR LPF
+
Output Amp
V
OUT
L
V
OUT
R
V
COM
L
V
COM
R
V
CC
R
V
CC
L
V
CC
V
DD
CLKO
ZEROL
ZEROR
DGND
AGND
AGNDL
A
GNDR
Power Supply.
x8 (x4)
Oversampling
Dijital Filter
+
Mulcher
Function
Controller
Zero detection
System Clock
Clock
Manager
Function
Control
Pin No.
Terminal name
I/O
Operation function
1
LRCK
I
LRCK clock input (fs)
(1)
2
DATA
I
Audio • Data input
(1)
3
BCK
I
Bit clock input for data.
(1)
4
CLKO
O
System clock buffered output.
5
SCLK
I
System clock input.
6
DGND
–
Digital ground.
7
V
DD
–
Digital power supply +3.3V
8
TEST1
I
Test pin
(2)
(Open or ground)
9
TEST2
I
Test pin
(2)
(Open or ground)
10
V
CC
R
–
Rch, Analog power supply +5V
11
AGNDR
–
Analog ground, Rch
12
V
COM
R
–
Rch Analog output amp. • common
13
V
OUT
R
O
Rch Analog voltage output.
14
AGND
–
Analog • ground
15
V
CC
–
Analog power supply +5V
16
V
OUT
L
O
Lch Analog voltage output
17
V
COM
L
–
Lch Analog output amp • common
18
AGNDL
–
Analog ground, Lch
19
V
CC
L
–
Lch, Analog power supply +5V
20
NA
I
Not connected.
21
NA
I
Not connected.
22
RST
I
Reset
23
ZEROL
O
Lch, Zero data • flug
24
ZEROR
O
Rch, Zero data • flug
25
MDO
O
Mode control, data output
(3)
26
MDI
I
Mode control, data input
(2)
27
MC
I
Mode clock
(2)
28
ML
I
Mode latch
(2)
Note: (1) Schmidt trigger input, 5V logic input possible. (2) Schmidt trigger input pull-down resistor. 5V logic input possible. (3) Try state output
12-11. IC6001 PCM1737 AUDIO DAC
• Block Diagram
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