Pioneer XV-DV820 Service Manual page 119

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PCM1742KE (DVD IF ASSY : IC1921)
• D/A Converter
Pin Arrangement
1
BCK
2
DATA
3
LRCK
4
DGND
5
V
DD
6
V
CC
7
V L
OUT
8
V R
OUT
Block Diagram
TE
L 13942296513
BCK 1
LRCK 3
DATA 2
ML 15
MC 14
MD 13
SCK 16
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SCK
ML
MC
MD
ZEROL/NA
ZEROR/ZEROA
V
COM
AGND
Audio
Serial
Port
4× / 8×
Oversampling
Digital Filter
with
Function
Controller
Serial
Control
Port
System Clock
System Clock
Manager
12
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y
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8
Pin Function
No. Pin Name
1 BCK
16 2 DATA
3 LRCK
15
4 DGND
14 5 V
DD
6 V
CC
13
7 V L
OUT
8 V R
OUT
12
9 AGND
10 V
COM
11
11 ZEROR/ZEROA
10
12 ZEROL/NA
9
13 MD
14 MC
15 ML
16 SCK
Q Q
3 6 7 1 3
DAC
Enhanced
Multi-level
Delta-Sigma
Modulator
DAC
Zero Detect
11
u163
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XV-DV820, XV-DV620
2
3
2 9 9 4 2 8
I/O Pin Function
I Audio data bit clock input
I Audio data digital input
L-channel and R-channel Audio data
I
latch enable input
−
Digital ground
−
Digital power supply +3.3V
−
Analog power supply +5V
O Analog output for L-channel
O Analog output for R-channel
−
Analog ground
−
Common voltage decoupling
Zero flag output for R-channel / Zero
O
flag output for L/R-channel
Zero flag output for L-channel / No
O
assign
I Mode control data input
I Mode control clock input
I Mode control latch input
I System clock input
1 5 0 5 8 2 9 9 4
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Power Supply
5 9 6 8
m
co
3
4
9 9
A
B
C
2 8 9 9
7
V L
OUT
D
10
V
COM
8
V R
OUT
E
F
119
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