Sony STR-DB790 Service Manual

63
STR-DA1000ES/DB790
6-38. IC PIN FUNCTION DESCRIPTION
• DIGITAL BOARD IC1101 LC89056W-E (DIGITAL AUDIO INTERFACE RECEIVER)
Pin No.
Pin Name
I/O Description
1 DISEL
I
Selection signal input terminal of data input terminal Fixed at “L” in this set
2
DOUT
O
Digital data output to the external output terminal
3 to 5
DIN0 to DIN2
I
Digital data input from the external input terminal
6
DGND
—
Ground terminal (for digital)
7
DVDD
—
Power supply terminal (+3.3V) (for digital)
8
R
I
Input terminal for VCO gain control
9
VIN
I
Input terminal for VCO free-run frequency setting
10
LPF
O
PLL loop filter setting terminal
11
AVDD
—
Power supply terminal (+3.3V) (for analog)
12
AGND
—
Ground terminal (for analog)
13
CKOUT
O
Audio clock signal output to the audio digital signal processor and D/A converter
14
BCK
O
Bit clock signal (2.8224 MHz) output to the audio digital signal processor and A/D converter
15 LRCK
O
L/R sampling clock signal (44.1 kHz) output to the audio digital signal processor and A/D
converter
16 DATAO
O
Audio serial data output to the audio digital signal processor and system controller
17 XSTATE
O
Source clock selection monitor output to the system controller
18 DGND
—
Ground terminal (for digital)
19 DVDD
—
Power supply terminal (+3.3V) (for digital)
20 XMCK
O
System clock signal (12.288 MHz) output to the A/D converter
21 XOUT
O
System clock output terminal (12.288 MHz)
22 XIN
I
System clock input terminal (12.288 MHz)
23 EMPHA
O
Channel status emphasis information output terminal Not used
24 AUDIO
O
Channel status bit 1 output to the audio digital signal processor
25
CSFLAG
O
Channel status head 40 bit renewal flag output terminal Not used
26 to 29
F0/P0/C0 to
F3/P3/C3
O
Output terminal of input frequency calculation result Not used
30 DVDD
—
Power supply terminal (+3.3V) (for digital)
31 DGND
—
Ground terminal (for digital)
32 AUTO
O
Not used
33 BPSYNC
O
Non-PCM burst preamble sync signal output terminal Not used
34
ERROR
O
PLL lock error signal and data error flag output to the audio digital signal processor and system
controller
35 DO
O
Read data output to the system controller
36 DI
I
Write data input from the system controller
37 CE
I
Chip enable signal input from the system controller
38 CLK
I
Clock signal input from the system controller
39 XSEL
I
Selection signal input terminal of crystal oscillator frequency Fixed at “H” in this set
40, 41
MODE0, MODE1
I
Mode setting terminal Fixed at “L” in this set
42 DGND
—
Ground terminal (for digital)
43 DVDD
—
Power supply terminal (+3.3V) (for digital)
44, 45
DOSEL0, DOSEL1 I
Output data format selection signal input terminal Fixed at “L” in this set
46 CKSEL0
I
Output clock selection signal input terminal Fixed at “L” in this set
47 CKSEL1
I
Output clock selection signal input from the system controller
48 XMODE
I
System reset signal input from the system controller “L”: reset
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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Sony STR-DB790 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230 V, 50/60 Hz
Supported radio bands	FM, MW
Radio Data System (RDS)	Yes
I/O ports	5.1 Analogue Input - 1.0 Audio Input - 3.0 Audio Input Front - 1 AV, S-Video Audio Output - 1.0 Control A1 / A1 II Digital Input: coaxial - 1.0 Digital Input: optical - 4.0 Digital Output: optical - 1.0 Headphone Output Monitor Output (Picture): FBAS - 1.0 Monitor Output (Picture): S-Video - 1.0 Phono Input Speaker Selector A S-Video Input - 4.0 S-Video Output - 1.0 Video Input - 5.0 Video Output - 2.0
Connectivity technology	Wired
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g