Sony STR-DE845 - Manual (Page 53)

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• DIGITAL BOARD IC1503 AK4527 (A/D, D/A CONVERTER)
Pin No. Pin Name I/O Description
1 SDOS I Data source select terminal “L”: internal ADC output “H”: DAUX input
2 I2C I Control mode select terminal “L”: 3-wire serial “H”: I2C bus
3 SMUTE I Soft mute signal input from the system controller (IC1201)
4 BCLK I Audio serial data clock signal input from the digital audio interface receiver (IC1101)
5 LRCK I Input channel clock signal input from the digital audio interface receiver (IC1101)
6 SDT1 I DAC1 audio serial data input from the audio DSP (IC1401)
7 SDT2 I DAC2 audio serial data input from the audio DSP (IC1401)
8 SDT3 I DAC3 audio serial data input from the audio DSP (IC1401)
9 SDTO O audio serial data output to the dolby digital audio decoder (IC1301)
10 DAUX I Audio serial data input terminal Not used (fixed at “L”)
11 DFS I
Double speed sampling mode signal input from the system controller (IC1201)
“L”: normal speed “H”: double speed
12, 13 DEM1, DEM0 I De-emphasis signal input terminal Not used (fixed at “L”)
14 TVDD — Power supply terminal (+5V) (for output buffer )
15 D5V — Power supply terminal (+5V) (digital system)
16 DGND — Ground terminal (digital system)
17 PD I Power down and reset signal input terminal “L”: power down and reset
18 ICKS2 I Clock select 2 input terminal (fixed at “L” in this set)
19 ICKS1 I Clock select 1 input terminal (fixed at “H” in this set)
20 ICKS0 I Clock select 0 input terminal (fixed at “H” in this set)
21 CAD1 I Chip address 1 input terminal Used during the serial control mode (fixed at “L” in this set)
22 CAD0 I Chip address 0 input terminal Used during the serial control mode (fixed at “L” in this set)
23 LOUT3 O L-ch 3 analog output to the select switch (IC1502)
24 ROUT3 O R-ch 3 analog output to the select switch (IC1502)
25 LOUT2 O L-ch 2 analog output to the select switch (IC1502)
26 ROUT2 O R-ch 2 analog output to the select switch (IC1502)
27 LOUT1 O L-ch 1 analog output to the select switch (IC1502)
28 ROUT1 O R-ch 1 analog output to the select switch (IC1502)
29 LIN– I L-ch analog negative input from the line amp (IC1504)
30 LIN+ I L-ch analog positive input from the line amp (IC1504)
31 RIN– I R-ch analog negative input from the line amp (IC1504)
32 RIN+ I R-ch analog positive input from the line amp (IC1504)
33 DZF2 O Zero input detect 2 terminal Not used (open)
34 VCOM O
Common voltage output terminal
Large external capacitor is used to reduce power supply noise
35 VREFH I Positive voltage reference input terminal (+5V)
36 A5V — Power supply terminal (+5V) (analog system)
37 AGND — Ground terminal (analog system)
38 DZF1 O Zero input detect 1 terminal Not used (open)
39 MCLKI I Master clock input from the digital audio interface receiver (IC1101)
40 S/P I Parallel or serial select terminal “L”: serial control mode (fixed at “L” in this set)
41 CS I Chip select signal input from the system controller (IC1201)
42 CCLK I Clock signal input from the system controller (IC1201)
43 CDTI I Control signal output to the system controller (IC1201)
44 LOOP1 O Loop back mode 1 signal output terminal (fixed at “L” in this set)