Pioneer XV-DV303 Service Manual page 116

1
PCM1742KE (DVD IF ASSY : IC1921)
• D/A Converter
A
Pin Arrangement
1
BCK
2
DATA
3
LRCK
4
DGND
B
5
V
DD
6
V
CC
7
V L
OUT
8
V R
OUT
C
Block Diagram
BCK 1
LRCK 3
DATA 2
D
ML 15
MC 14
MD 13
E
System Clock
SCK 16
Manager
F
116
1
2
16
SCK
15
ML
14
MC
13
MD
12
ZEROL/NA
11
ZEROR/ZEROA
10
V
COM
9
AGND
Audio
Serial
Port
4× / 8×
Oversampling
Digital Filter
with
Function
Controller
Serial
Control
Port
System Clock
Zero Detect
12
2
3
Pin Function
No. Pin Name
1 BCK
2 DATA
3 LRCK
4 DGND
5 V
DD
6 V
CC
7 V L
OUT
8 V R
OUT
9 AGND
10 V
COM
11 ZEROR/ZEROA
12 ZEROL/NA
13 MD
14 MC
15 ML
16 SCK
DAC
Enhanced
Multi-level
Delta-Sigma
Modulator
DAC
Power Supply
11 5 9
XV-DV303
3
4
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
7
V L
OUT
Output Amp and
Low-pass Filter
10
V
COM
Output Amp and
Low-pass Filter
8
V R
OUT
6 8
4