Onkyo DX-C390 Service Manual page 34

IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q103 : CXD3068Q DIGITAL SIGNAL PROCESSOR-3
PIN DESCRIPTION
No. SIGN
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I/O DESCRIPTION
TE I Tracking error input pin.
CE I Center servo analog signal input pin.
RFDC I RF signal input pin.
ADIO O Test pin.
AV 0 - Analog GND.
SS
IGEN I Regulated power supply pin for OP-Amp.
AV 0 - Analog power supply.
DD
ASYO O EFM full swing output pin. L= V
ASYI I The input pin of cooperate voltage of asymmetry.
RFAC I EFM signal input pin.
AV S1 - Analog GND.
S
CLTV I VCO1 control voltage input pin.
FILO O Filter circuit output pin for master PLL.
FILI I Filter circuit input pin for master PLL.
PCO O Change pump circuit output pin for master PLL.
AV 1 - Analog power supply.
DD
BIAS I The constant current input of an asymmetry circuit
VCTL I VCO2 control voltage input pin for EFM PLL.
V16M I/O VCO2 osculation output pin for EMF PLL.
VPCO O Charge pump output pin for EMF PLL.
DV 2 - Digital power supply.
DD
ASYE I Select ON/OFF of asymmetry circuit. L= OFF, H= ON
MD2 I Digital output control pin. L= OFF, H= ON
DOUT O Digital output pin.
LRCK O D/A interface output pin. LR clock output.
PCMD O D/A interface output pin. Serial data output.
BCK O D/A interface output pin. Bit clock output.
EMPH O When detect the emphasis on the disc, outputting is "H".
XTSL I X'tal select input pin. 16.9344MHz= L, 33.8688MHz= H
DV 2 - Digital GND.
SS
XTAI I Input pin for connect the crystal OSC.
XTAO O Output pin for connect the crystal OSC.
SOUT O Serial data output pin.
SOCK O Clock signal of reading serial data output pin.
XOUT O Serial latch output pin.
SQSO O Peak level data output pin.
SQCK I Clock signal output pin for SQSO read out.
SCSY I Input pin of GRSCOR.
SBSO O Serial output pin for Sub P to Sub W.
EXCK I Clock input pin for SBSO read out.
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, H= V
SS DD
DX-C390