Read Sony AIR-SA5R Service Manual online
AIR-SA5R
19
Pin No.
Pin Name
I/O
Description
1
KEY-WAKE
I
Key wake-up signal input terminal
2
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
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, 7
NC(TX2), NC(TX1)
O
Not used
8
FLMD0
I
Flash memory programming mode setting terminal
9
X2
O
System clock output terminal (16 MHz)
10
X1
I
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
SA-CLOCK
O
I2C clock signal output to the wireless transceiver
15
SA-DATA
O
I2C data output to the wireless transceiver
16
TEST_DET
I
Test jig detection signal input terminal “H”: jig detect
17
NC
O
Not used
18
SA-INT
I
Interrupt signal input from the wireless transceiver
19, 20
NC
O
Not used
21
SA-RESET
O
Reset signal output to the wireless transceiver “L”: reset
22
DAC-SDA
I/O
Two-way I2C data bus with the D/A converter
23
DAC-SCL
O
I2C clock signal output to the D/A converter
24
LCD-MODE
O
Not used
25
LCD-INH
O
Not used
26
KEY PAIRING
I
PAIRING key input terminal
27
SIRCS
I
SIRCS signal input from the remote control receiver
28
SHUTDOWN
O
Shutdown signal output to the power amplifi er “L”: shutdown
29
POWER-LED
O
LED drive signal output terminal for POWER indicator “H”: LED on
30
SONY-LED
O
LED drive signal output terminal for SONY indicator “H”: LED on
31
LCD-LED
O
LED drive signal output terminal Not used
32
SA-LED
O
LED drive signal output terminal for S-AIR indicator “H”: LED on
33
FLASH_SI
I
Serial data input terminal for fl ash writing Not used
34
FLASH_SO
O
Serial data output terminal for fl ash writing Not used
35
LCD-DA
O
Serial data output terminal Not used
36
LCD-CE
O
Chip enable signal output terminal Not used
37
LCD-CL
O
Serial data transfer clock signal output terminal Not used
38
AVREF
I
Reference voltage (+3.3V) input terminal
39
AVSS
-
Ground terminal
40
SA-ID
I
S-AIR ID selection switch input terminal “L”: A, “M”: B, “H”: C
41
SPEC
I
Destination setting terminal Fixed at “L” in this set
42 to 44
KEY2 to KEY0
I
Top and side panel key input terminal
45, 46
TEST MODE1,
TEST MODE2
I
Test mode setting terminal “H” test mode
47
PreAMP P-ON
O
Power supply on/off control signal output terminal for pre-amplifi er “H”: power on
48
PARING-LED
O
LED drive signal output terminal for PAIRING indicator “H”: LED on
49
COUPLING-LED
O
LED drive signal output terminal for CPL indicator “H”: LED on
50
SA-POWER
O
Power supply on/off control signal output terminal for wireless transceiver “H”: power on
51
MAIN P-ON
O
Power supply on/off control signal output terminal for main power supply “H”: power on
52
TEST MODE3
I
Test mode setting terminal “H” test mode
• IC Pin Function Description
MICON BOARD IC401
μPD78F0526GB (S)-UET-A (SYSTEM CONTROLLER)
Click on the first or last page to see other AIR-SA5R service manuals if exist.