Sony STR-DE445 Service Manual page 24

• IC1008 AK4527 A/D, D/A CONVERTER (DIGITAL BOARD)
Pin No.
Pin Name
1 SDOS
2 I2C
3 S MUTE
4 BCLK
5 LRCK
6 SDT11
7 SDT12
8 SDT13
9 SDTO
10 DAUX
11 DFS
12 – 13 DEM1 – DEM0
14 TVDD
15 D. 5V
16 D. GND
17 PDN
18 ICKS2
19 ICKS1
20 ICKS0
21 CAD1
22 CAD0
23 LOUT3
24 ROUT3
25 LOUT2
26 ROUT2
27 LOUT1
28 ROUT1
29 LIN–
30 LIN+
24
I/O
SDTO source select pin
I "L": internal ADC output, "H": DAUX input
ORed with serial control register if P/S = "L" (Connected to ground)
I Serial control mode select pin
Soft mute pin
I
"H": Soft mute ON, "L": OFF
I/O Audio serial data clock pin
I/O Input/output channel clock pin
I DAC1 audio serial data input pin
I DAC2 audio serial data input pin
I DAC3 audio serial data input pin
O Audio serial data output pin
I AUX audio serial data input pin (Connected to ground)
Double speed sampling mode pin
I "L": normal speed, "H": double speed
ORed with serial control register if P/S = "L"
De-emphasis pin
I
ORed with serial control register if P/S = "L" (Connected to ground)
— Connected to digital power supply.
— Digital power supply pin
— Digital ground pin
Power-down & reset pin
I When "L", the AK4527 is powered-down and the control registers are reset to default state.
If the state of CAD0-1 changes, then the AK4527 must be reset by PDN.
I Input clock select 2 pin. (Connected to ground)
I Input clock select 1 pin. (Connected to digital power supply)
I Input clock select 0 pin. (Connected to digital power supply)
Chip address pin
I
Used during the serial control mode. (Connected to ground)
Chip address pin
I
Used during the serial control mode. (Connected to ground)
O Lch #3 analog output pin
O Rch #3 analog output pin
O Lch #2 analog output pin
O Rch #2 analog output pin
O Lch #1 analog output pin
O Rch #1 analog output pin
I Lch analog negative input pin
I Lch analog positive input pin
Function