Harman Kardon AVR 135, Service Manual

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No. Pin Name I/O Function
LOUT1- O DAC1 Lch Negative Analog Output Pin
LOUT1+ O DAC1 Lch Positive Analog Output Pin
DZF1 O Zero Input Detect 1 Pin
DZF2 O Zero Input Detect 2 Pin
DZF3 O Zero Input Detect 3 Pin
CAD0 I Chip Address 0 Pin
PDN I Power-Down Mode Pin
When at “L”, the AK4358 is in the power-down mode and is held in reset.
The AK4358 should always be reset upon power-up.
BICK I Audio Serial Data Clock Pin
MCLK I Master Clock Input Pin
An external TTL clock should be input on this pin.
DVDD -
Digital Power Supply Pin, +4.75
∼
+5.25V
DVSS - Digital Ground Pin
SDTI1 I DAC1 Audio Serial Data Input Pin
SDTI2 I DAC2 Audio Serial Data Input Pin
SDTI3 I DAC3 Audio Serial Data Input Pin
SDTI4 I DAC4 Audio Serial Data Input Pin
LRCK I L/R Clock Pin
I2C I Control Mode Select Pin
“L”: 3-wire Serial, “H”: I
2
C Bus
CCLK/SCL I Control Data Clock Pin
I2C = “L”: CCLK (3-wire Serial), I2C = “H”: SCL (I
2
C Bus)
CDTI/SDA I/O Control Data Input Pin
I2C = “L”: CDTI (3-wire Serial), I2C = “H”: SDA (I
2
C Bus)
CSN/CAD1 I Chip Select Pin
I2C = “L”: CSN (3-wire Serial), I2C = “H”: CAD1 (I
2
C Bus)
DCLK I DSD Clock Pin
DSDL1 I DAC1 DSD Lch Data Input Pin
DSDR1 I DAC1 DSD Rch Data Input Pin
DSDL2 I DAC2 DSD Lch Data Input Pin
DSDR2 I DAC2 DSD Rch Data Input Pin
DSDL3 I DAC3 DSD Lch Data Input Pin
DSDR3 I DAC3 DSD Rch Data Input Pin
DSDL4 I DAC4 DSD Lch Data Input Pin
DSDR4 I DAC4 DSD Rch Data Input Pin
DIF0 I Audio Data Interface Format 0 Pin
VREFH I Positive Voltage Reference Input Pin
AVDD - Analog Power Supply Pin, +4.75
∼
+5.25V
AVSS - Analog Ground Pin
ROUT4- O DAC4 Rch Negative Analog Output Pin
ROUT4+ O DAC4 Rch Positive Analog Output Pin
LOUT4- O DAC4 Lch Negative Analog Output Pin
LOUT4+ O DAC4 Lch Positive Analog Output Pin
ROUT3- O DAC3 Rch Negative Analog Output Pin
ROUT3+ O DAC3 Rch Positive Analog Output Pin
LOUT3- O DAC3 Lch Negative Analog Output Pin
LOUT3+ O DAC3 Lch Positive Analog Output Pin
ROUT2- O DAC2 Rch Negative Analog Output Pin
ROUT2+ O DAC2 Rch Positive Analog Output Pin
LOUT2- O DAC2 Lch Negative Analog Output Pin
LOUT2+ O DAC2 Lch Positive Analog Output Pin
ROUT1- O DAC1 Rch Negative Analog Output Pin
AVR135 harman/kardon
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