Kenwood DV-203 Service Manual page 20

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8. DAC : PCM1716E (X25 : IC3~5)
8-1 Pin description
Pin No. Pin Name I/O
1 LRCK
2 DATA
3 BCK
4 CLKO
5 XTI
6 XTO
7 DGND
8 VDD
9 VCC2R
10 AGND2R
11 EXTR
12 NC
13 VOUTR
14 AGND1
15 VCC1
16 VOUTL
TE
L 13942296513
8-2 Block diagram
BCK
LRCK
DATA
ML/IIS
MC/DM1
MD/DM0
CS/IWO
MODE
MUTE
RST
www
.
CIRCUIT DESCRIPTION
Descriptions
I LRCK clock input port
I Data input port
I Bit clock input port of data
O System clock buffer output port
I Clock input port
O Crystal connection port
– Digital GND
– Digital power supply(+5V)
– Analog power supply(+5V)
– Analog GND
O R-ch, analog output
– No connection
O R-ch, analog output port
– Analog GND
– Analog power supply(+5V)
O L-ch, analog output port
Serial
input
Function
I/F
controller
8fs over
sampling
digital filter
Mode
control
BPZ-Cont
I/F
SCK
Crystal OSC
XTI XTO
x ao
y
i
DV-203/2070/DVF-5010/9010/K7010
8
Pin No. Pin Name I/O
17 NC
18 EXTL
19 AGND2L
20 VCC2L
21 /ZERO
22 /RST
23 /CS/IWO
24 MODE
25 /MUTE
26 MD/DM0
27 MC/DM1
28 ML/IIS
Q Q
3 6 7 1 3
DAC
MPX level
delta sigma
modulator
DAC
Power supply
CLKO Vcc1 AGND1 Vdd DGND
u163
.
2 9 9 4 2 8
Descriptions
– No connection
O L-ch, analog output
– Analog GND
– Analog power supply(+5V)
O Zero data flag
I Reset port
I Chip select/input format select
I Mode control selector
(H:soft,L:hard)
I Mute control
I Mode control data/deemphasis
selector
I Mode control BCK/deemphasis
selector
I Mode control latch/input format
selector
1 5 0 5 8 2 9 9 4
VoutL
LPF
EXTL
VoutR
LPF
EXTR
ZERO
m
co
9 9
2 8 9 9
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