Pioneer DV-454-K, Руководство по обслуживанию

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1 2 3 4
C
D
F
A
B
E
DV-454-K
7
PCM1742KE (FJMB ASSY : IC711)
• D/A Converter
¶
Pin Arrangement
¶
Pin Function
¶
Block Diagram
1
BCK
16
SCK
2
DATA
15
ML
3
LRCK
14
MC
4
DGND
13
MD
5
V
DD
12
ZEROL/NA
6
V
CC
11
ZEROR/ZEROA
7
V
OUT
L
10
V
COM
8
V
OUT
R
9
AGND
Audio
Serial
Port
Enhanced
Multi-level
Delta-Sigma
Modulator
4
×
/ 8
×
Oversampling
Digital Filter
with
Function
Controller
Serial
Control
Port
System Clock
System Clock
Manager
BCK 1
LRCK 3
DATA 2
ML 15
MC 14
MD 13
SCK 16
DAC
Output Amp and
Low-pass Filter
DAC
Power Supply
Output Amp and
Low-pass Filter
V
OUT
L
7
V
OUT
R 8
AGND
8
V
CC
6
DGND
9
V
DD
ZEROR/ZEROA
5 11
ZEROL/NA
12
V
COM
10
Zero Detect
No. Nmae I/O Pin Function
1 BCK I Audio data bit clock input
2 DATA I Audio data digital input
3 LRCK I
L-channel and R-channel Audio data
latch enable input
4 DGND
−
Digital ground
5 V
DD
−
Digital power 3.3V
6 V
CC
−
Analog power 5V
7 V
OUT
L O Analog output for L-channel
8 V
OUT
R O Analog output for R-channel
9 AGND
−
Analog ground
10 V
COM
−
Common voltage decoupling
11 ZEROR/ZEROA O
Zero flag output for R-channel / Zero
flag output for L/R-channel
12 ZEROL/NA O
Zero flag output for L-channel / No
assign
13 MD I Mode control data input
14 MC I Mode control clock input
15 ML I Mode control latch input
16 SCK I System clock input