Sharp DV-NC55S Service Manual page 73

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