Sony STR-DB2000 Service Manual page 87

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Pin No. Pin Name
45 NC
46 DIR-CE
47 DIR-DO
48 NC
49 DIR-DI
50 CLKSW
51 NC
52 MD2
53 MD1
54 MD0
55 RSTX
56 VCC
57 X1
58 X0
59 VSS
60 STOP
61 RDS-CLK
62 POW-SW
63 CTL-A1IN
64 NC
TE
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65 PRE-RY
66 SIRCS
67 NC
68 VCC
69 PCM-FAINT
70 DSP-HACN
71 DSP-HDIN
72 DSP-HCLK
73 DSP-HDOUT
74 DSP-HCS
75 DSP-GP12
76 DSP-BST
77 VCC
78 DSP-XRST
79 DSP-PM
80 DSP-GP9
81 DSP-BSTSEL
82 NC
83 SUBU-RST
84 SUBU-MUTE
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85 SUBU-CTRL
86 SUBU-INFO2
87 SUBU-INFO1
.
88 CTRL-A1
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I/O
I Not used
O
Chip enable signal output to the digital audio interface receiver
I Read data input from the digital audio interface receiver
I Not used
O
Write data output to the digital audio interface receiver
O
Analog/digital selection signal output terminal "L": analog, "H": digital
I Not used
I Setting terminal for the CPU operation mode Fixed at "L" in this set
I Setting terminal for the CPU operation mode Fixed at "H" in this set
I Setting terminal for the CPU operation mode Fixed at "L" in this set
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
— Power supply terminal (+3.3V)
O
Main system clock output terminal (16.5 MHz)
I
Main system clock input terminal (16.5 MHz)
— Ground terminal
I
AC off detection signal input terminal
I
RDS interrupt clock signal input from the tuner unit (STR-DB2000: AEP and UK models only)
I I/1 key input terminal "L": power on
I Sircs signal input for CTRL A1II
I Not used
Relay drive signal (for pre out and sub woofer) output terminal "H": relay on
O
(Pre out: STR-DA2000ES only)
I
Sircs signal input terminal
I Not used
— Power supply terminal (+3.3V)
O PCM imitation signal output terminal
I
Acknowledge signal input from the DSP
O
Serial data output to the DSP
O Serial data transfer clock signal output to the DSP
I
Serial data input from the DSP
O
Chip select signal output to the DSP
O
Write signal output to the DSP
O Boot strap signal output to the DSP
— Power supply terminal (+3.3V)
O
System reset signal output to the DSP "L": reset
O
PLL initialize signal output to the DSP
I
Read ready signal input from the DSP
O Signal selection signal output terminal "L": boot strap signal, "H": L/R sampling clock signal
I Not used
O Reset signal output to the sub system controller and DC cut digital filter "L": reset
O Muting on/off control signal output terminal Not used
O Clock signal output to the sub system controller
I Serial data input from the sub system controller
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O Serial data output to the sub system controller
i
O
Sircs signal output for CTRL A1II
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Description
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STR-DA2000ES/DB2000
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