JVC KD-SC800R Service Manual page 29

4.2 AK4381VT-X (IC481) : D/A converter
• Pin layout
MCLK 1
BICK 2
SDTI 3
LRCK 4
PDN 5
CSN 6
CCLK 7
CDTI 8
• Block diagram
CSN
CCLK
CDTI
LRCK
BICK
SDTI
• Pin functions
Pin No. Symbol
1 MCLK
2 BICK
3 SDTI
4 LRCK
5 PDN
6 CSN
7 CCLK
8 CDTI
9 AOUTR-
10 AOUTR+
11 AOUTL-
12 AOUTL+
13 VSS
14 VDD
15 DZFR
16 DZFL
16 DZFL
15 DZFR
14 VDD
13 VSS
12 AOUTL+
11 AOUTL-
10 AOUTR+
9 AOUTR-
De-emphasis
uP
Control
Interface
8X
Audio
Interpolator
Data
Interface
8X
Interpolator
PDN
I/O
I Master clock input terminal
I Audio serial data clock terminal
I Audio serial data input terminal
I L/R Clock terminal
I Power down mode terminal
I Chip select
I Control data input terminal
I Control data input terminal
O Rch negative analog output terminal
O Rch positive analog output terminal
O Lch negative analog output terminal
O Lch positive analog output terminal
- Connect to ground
- Power supply terminal
O Rch data zero input detection terminal
O Lch data zero input detection terminal
MCLK
Clock
Divider
Modulator
Modulator
Description
VDD
VSS
DZFL
DZFR
AOUTL+
SCF
AOUTL-
AOUTR+
SCF
AOUTR-
(No.49820)1-29
KD-SC800R