Marantz ER2500, Service Manual

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28
IC34: AK4358
No in Name I/ Function
1 LOU T1- O DAC 1 Lch Negati ve Anal og Output Pin
2 LOU T1+ O DAC 1 Lch Positive Analog Output Pin
3 DZF 3 O Zero Input Detect 3 Pin
4 DZF 2 O Zero Input Detect 2 Pin
5 DZF 1 O Zero Input Detect 1 Pin
6 CAD0 I Chip A ddress 0 Pin
7 AC KSN I Aut o Setting M ode Di sable Pin (Pull-down Pin)
DN Power-Dow n M ode Pin
The AK4358 should always be reset upon power-up.
9 BICK I Audio Se ri al Data Clock Pin
10 M CLK I Master Cl ock Input Pin
An external TTL clock should be input on thi s pin.
DD -
Di git al Power Supply Pin, +4.75 +5.25V
SS - Di git al Ground Pin
13 SDTI4 I DAC 4 Audi o Seri al Data Input Pin
14 SDTI1 I DAC 1 Audi o Seri al Data Input Pin
15 SDTI2 I DAC 2 Audi o Seri al Data Input Pin
16 SDTI3 I DAC 3 Audi o Seri al Data Input Pin
17 LR CK I L/R Clock Pin
18 I2C I Control M ode Select Pin
19 CCLK /SCL I Control Data Clock Pin
20 CDTI/ SDA I/ O Control Data Input Pin
SN/C I Chip Select Pin
LK I DSD Clock Pin
23 DSDL4 I DAC 4 DSD Lc h Data Input Pin
24 DSDR4 I DAC 4 DSD Rch Data Input Pin
25 DSDL1 I DAC 1 DSD Lc h Data Input Pin
26 DSDR1 I DAC 1 DSD Rch Data Input Pin
27 DSDL2 I DAC 2DSD Lch Dat a Input Pin
28 DSDR2 I DAC 2 DSD Rch Data Input Pin
29 DSDL3 I DAC 3 DSD Lc h Data Input Pin
30 DSDR3 I DAC 3 DSD Rch Data Input Pin
31 DIF0 I Audio Dat a Int erface Format 0 Pin
32 ROUT4- O DAC 4 Rch Negative Anal og Output Pin
33 ROUT4+ O DAC 4 Rch Positive Anal og Output Pin
34 VR EFH I Positive Voltage Reference Input Pin
-
Anal og Power Supply Pin, +4.75 +5.25V
36 AVSS - Anal og Ground Pin
37 LOUT4- O DAC 4 Lch Negati ve Analog Output Pin
38 LOU T4+ O DAC 4 Lch Positive Analog Output Pin
39 ROUT3- O DAC 3 Rch Negative Anal og Output Pin
40 ROUT3+ O DAC 3 Rch Positive Anal og Output Pin
41 LOUT3- O DAC 3 Lch Negati ve Analog Output Pin
42 LOUT3+ O DAC 3 Lch Positive Analog Output Pin
43 ROUT2- O DAC 2 Rch Negative Anal og Output Pin
44 ROUT2+ O DAC 2 Rch Positive Anal og Output Pin
45 LOUT2- O DAC 2 Lch Negati ve Analog Output Pin
. P O
8 P I
11 DV
12 DV
21 C AD1
22 DC
35 AVDD
46 LOUT2+ O DAC 2 Lch Positive Analog Output Pin
47 ROUT1- O DAC 1 Rch Negative Anal og Output Pin
48 ROUT1+ O DAC 1 Rch Positive Anal og Output Pin
Note: All input pins except pull-down pin should not be left floating.
“L”: Auto Setting Mode, “H”: Manual Setting Mode
When at “L”, the AK4358 is in the power-down mode and is held in reset.
“L”: 3-wire Serial, “H”: IC Bus
I2C = “L”: CCLK (3-wire Serial), I2C = “H”: SCL (I
2
C Bus)
I2C = “L”: CDTI (3-wire Serial), I2C = “H”: SDA (I
2
C Bus)
I2C = “L”: CSN (3-wire Serial), I2C = “H”: CAD1 (I
2
C Bus)