Sony STR-DB2000 Service Manual

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

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English