Harman Kardon HK 990/230 Service Manual page 68

ASAHI KASEI
No. Pin Name I/O
38 LOUT2 O
39 ROUT2 O
40 LOUT1 O
41 ROUT1 O
42 VCOM -
43 AVDD2 -
44 AVSS2 -
45 LISEL O
46 LOPIN O
47 ROPIN O
48 RISEL O
49 AVSS1 -
50 AVDD1 -
51 LIN1 I
52 RIN1 I
53 LIN2 I
54 RIN2 I
55 LIN3 I
56 RIN3 I
57 LIN4 I
58 RIN4 I
59 LIN5 I
60 RIN5 I
61 LIN6 I
62 RIN6 I
63 PVSS -
64 R -
Note: All input pins except internal biased pin (RX0) and analog input pins (LIN1-6, RIN1-6) should not be left
floating.
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification Pin Name
Analog RX0, LOUT1-2, ROUT1-2, LIN1-6, RIN1-6
INT, XTO, MCKO, VOUT/DZF/OVF, SDTOA-B,
CDTO, TX
Digital
RX1-3, CSN, CCLK, CDTI, XTI, MCLK2,
OLRCKA, ILRCKA, BICKA, SDTIA1-3,
LRCKB, BICKB, SDTIB
MS0427-E-01
DAC2 Lch Positive Analog Output Pin
DAC2 Rch Positive Analog Output Pin
DAC1 Lch Positive Analog Output Pin
DAC1 Rch Positive Analog Output Pin
DAC/ADC Common Voltage Output Pin
2.2 F capacitor should be connected to AVSS2 externally.
DAC Power Supply Pin, 4.5V 5.5V
DAC Ground Pin, 0V
Lch Feedback Resistor Output Pin
Lch Feedback Resistor Input Pin. 0.5 x AVDD1.
Rch Feedback Resistor Input Pin. 0.5 x AVDD1.
Rch Feedback Resistor Output Pin
ADC Ground Pin, 0V
ADC Power Supply Pin, 4.5V 5.5V
Lch Input 1 Pin
Rch Input 1 Pin
Lch Input 2 Pin
Rch Input 2 Pin
Lch Input 3 Pin
Rch Input 3 Pin
Lch Input 4 Pin
Rch Input 4 Pin
Lch Input 5 Pin
Rch Input 5 Pin
Lch Input 6 Pin
Rch Input 6 Pin
PLL Ground pin
External Resistor Pin
12k +/-1% resistor should be connected to PVSS externally.
Function
Setting
These pins should be open.
These pins should be open.
These pins should be connected to DVSS.
66
[AK4683]
2005/11