Sony STR-DA1ES Service Manual page 52

STR-DA1ES/DB780
• DIGITAL BOARD IC1601 MB90478PFV-G-123-BND (SYSTEM CONTROLLER)
Pin No.
Pin Name
1 DATA0
2 GP9
3 BST
4 HCS
5 HACN
6 XRST
7 PM
8 PD
9 SMUTE
10 CDT1
11
VSS
12 SCL
13 CS
14 DATA
15 CLK
16 LATCH
17
NC
18 HDOUT
19 HDIN
20 HCLK
21 F.MUTE
22 2ND VOL LAT
23
VCC5
24 ANA/DIG
25 HP DETECT
26 DCS LED
27
FLASH2
SP SWITCH/
28
FLASH1
29 INPUT LED
30 MULTI LED
31 2CH LED
32 AFD LED
33 SCL
34 SDA
35 AVCC
36 AVRH
37 AVSS
38 to 41 A/D0to A/D3
42 VSS
43 RDS SIGNAL
44 MODEL
45 VERSION
46 FUN LAT SW
52
I/O
I
Audio serial data input from the digital audio interface receiver
I Audio signal input from the audio digital signal processor
O
Boot strap signal output to the audio digital signal processor
O
Chip select signal output to the audio digital signal processor
I
Acknowledge signal input from the audio digital signal processor
O System reset signal output to the audio digital signal processor "L": reset
O
PLL initialize signal output to the audio digital signal processor
O
Power down signal output to the A/D, D/A converter "L": power down
O
Soft muting on/off control signal output "L": muting on
O Serial data output to the A/D, D/A converter
—
Ground terminal
O
Serial data transfer clock signal output to the A/D, D/A converter
O
Chip select signal output to the A/D, D/A converter
O
Serial data output to the tuner unit, function switch and electrical volume
O
Serial data transfer clock signal output to the tuner unit, function switch and electrical volume
O
Serial data latch pulse signal output to the function switch and electrical volume
O
Relay drive signal output terminal (for surround back speaker) "H": relay on
I
Serial data input from the audio digital signal processor
O
Serial data output to the audio digital signal processor
O
Serial data transfer clock signal output to the audio digital signal processor
O
System muting on/off control signal output "L": muting on
O
Serial data latch pulse signal output terminal Not used
—
Power supply terminal (+3.3V)
O
Analog/digital selection signal output "L": analog, "H": digital
I Headphone detection signal input "H": headphone is connected
O
LED drive signal output of the DIGITAL CINEMA SOUND indicator "H": LED on
O
Flash programming signal output
Speaker on/off switch input terminal "L": speaker on
I/O
Flash programming signal output
O
LED drive signal output of the INPUT MODE indicator "H": LED on
O LED drive signal output of the MULTI CH DIRECT indicator "H": LED on
O
LED drive signal output of the 2CH ST indicator "H": LED on
O
LED drive signal output of the AUTO DEC. indicator "H": LED on
O
Serial data transfer clock signal output to the EEPROM
I/O Two-way data bus with the EEPROM
—
Power supply terminal (+3.3V) (for analog)
I
Reference voltage (+3.3V) input terminal
—
Ground terminal (for analog)
I Key input terminal (A/D input)
—
Ground terminal
I
RDS signal input from the tuner unit (STR-DB780: AEP and UK models only)
I
Model setting terminal
I Version setting terminal
Serial data latch pulse signal selection signal output
O
"L": for electrical volume, "H": for function switch
Description