Read Sony AIR-SW10TI / SA-WA10R Service Manual online
SA-WA10R
19
• IC Pin Function Description
MAIN (SW) BOARD IC602
μPD78F0526GB (S)-UET-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
KEY-WAKEUP
I
Key wake-up signal input terminal
2
I-AC CUT
I
AC cut on/off detection signal input terminal “H”: AC cut on
3
EEPROM-SDA
I/O
Two-way I2C data bus with the EEPROM
4
O-EEPROM-SCL
O
I2C clock signal output to the EEPROM
5
RESET
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 change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
6
XT2
O
Sub system clock output terminal (32.768 kHz)
7
TX1
I
Sub system clock input terminal (32.768 kHz)
8
FLMD0
I
Flash memory programming mode setting terminal
9
X2
O
Main system clock output terminal (16 MHz)
10
X1
I
Main system clock output terminal (16 MHz)
11
REGC
-
External capacitor connecting terminal of regulator output for internal operation
12
VSS
-
Ground terminal
13
VDD
-
Power supply terminal (+3.3V)
14
O-SA_CLOCK
O
I2C clock signal output to the wireless transceiver
15
SA-DATA
I/O
Two-way I2C data bus with the wireless transceiver
16
O-SA_POW-ON
I
Power supply on/off control signal output terminal for wireless transceiver “H”: power on
17
O-SA_RESET
O
Reset signal output to the wireless transceiver “L”: reset
18
I-SA_INT
I
Interrupt signal input from the wireless transceiver
19
I-KEY_PAIRING
I
PAIRING key input terminal
20
O-AMP_RESET
O
Reset signal output to the power amplifi er “L”: reset
21
O-AMP_NSPMUTE
O
NSP muting on/off control signal output to the stream processor “L”: muting on
22
O-AMP_SOFTMUTE
O
Soft muting on/off control signal output to the stream processor “L”: muting on
23
O-AMP_PGMUTE
O
PG muting on/off control signal output to the stream processor “L”: muting on
24
I-SUFIX
I
Destination setting terminal “L”: US and Canadian models, “H”: UK model
25
I-AMP_OVFFLAGL
I
Overfl ow fl ag input terminal Not used
26
O-AMP_INIT
O
Initialize signal output to the stream processor “L”: initialize
27
NC
-
Not used
28
O-STBY_LED
O
LED drive signal output terminal for power level indicator “H”: LED on
29
I-P-ON_DET
I
Power on detection signal input terminal
30
I-AMP_SD
I
Shut down signal input from the power amplifi er “L” shut down
31
I-AMP_OTW
I
Over temperature warming signal input terminal Not used
32
O-SA_LED
O
LED drive signal output terminal for S-AIR indicator “H”: LED on
33
O-FLASH_SI
I
Serial data input terminal for fl ash writing
34
O-FLASH_SO
O
Serial data output terminal for fl ash writing
35
O-AMP_SCDT
O
Serial data output to the stream processor
36
O-AMP_SCLATCH
O
Serial data latch pulse signal output to the stream processor
37
O-AMP_SCSHIFT
O
Serial data transfer clock signal output to the stream processor
38
AVREF
I
Reference voltage (+3.3V) input terminal
39
AVSS
-
Ground terminal
40
I-KEY
O
POWER key input terminal
41
I-SA_ID
I
S-AIR ID selection switch input terminal “L”: A, “M”: B, “H”: C
42
O-DISCHARGE
O
Discharge control signal output terminal “H”: discharge
43
I-POWER_MONITOR2
I
Power monitor terminal for main power transformer
44 to 46
NC
-
Not used
47
I-3.3V_POWER_MONI
I
Power monitor terminal for +3.3V power supply
48
O-POWER_ON
O
Power supply on/off control signal output terminal “H”: power on
49
O-SA_STBY_LED
O
LED drive signal output terminal for power level indicator “H”: LED on
50
O-PAIR_LED
O
LED drive signal output terminal for PAIRING indicator “H”: LED on
51, 52
NC
-
Not used
Ver. 1.2
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