Read Sony HT-CT550W / SA-WCT550W Service Manual online
SA-WCT550W
19
• IC Pin Function Description
SUB MAIN BOARD IC100 R5F212BASNFP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NO USE
-
Not used
2
S-AIR_DATA
I/O
Two-way S-AIR data with the wireless transceiver
3
FW_MODE
I
Not used
4, 5
NO USE
-
Not used
6
RESET
I
System reset signal input from the reset signal generator “L”: reset
7
Xout
O
System clock output terminal (20 MHz)
8
Vss
-
Ground terminal
9
Xin
I
System clock output terminal (20 MHz)
10
Vcc1
-
Power supply terminal (+3.3V)
11
NO USE
O
Not used
12
P_CONT2
O
Power on/off control signal output terminal “H”: on
13
P_CONT1 (3.3V)
O
Power on/off control signal output terminal “H”: on
14
P_CONT_PVDD
O
Power on/off control signal output terminal “H”: on
15 to 20
NO USE
-
Not used
21
LED_GREEN
O
LED drive signal output terminal for LINK/STANDBY indicator (green) indicator “H”: LED on
22
LED_RED
O
LED drive signal output terminal for LINK/STANDBY indicator (red) indicator “H”: LED on
23
PAIRING_LED
O
LED drive signal output terminal Not used
24
NO USE
-
Not used
25
DAMP_SHIFT
O
Clock signal output to the stream processor
26
NO USE
-
Not used
27
DAMP_SCDT
O
Data output to the stream processor
28
DRIVE_RST (EN)
O
Reset signal output to the power amplifi er “L”: reset
29
DAMP_INIT
O
Reset signal output to the stream processor “L”: reset
30
DAMP_OVF
I
Overfl ow signal input from the stream processor
31
DAMP_LATCH
O
Latch signal output to the stream processor
32
DAMP_SOFT_MUTE
O
Soft muting signal output to the stream processor “L”: muting
33
DAMP_OVF2
I
Overfl ow signal input terminal Fixed at “L” in this unit
34
DAMP_LATCH2
I
Latch signal input terminal Not used
35
NO USE
-
Not used
36
AC_CUT
I
AC cut signal input from the reset signal generator
37
FW_TxD
O
Flash write signal output terminal
38
FW_RxD
I
Flash write signal input terminal
39 to 41
NO USE
-
Not used
42
PVDD_SD_EN
O
Shutdown signal output terminal
43
DC_DET
I
Speaker DC detection signal input terminal
44
NO USE
I
Not used
45
DRIVE_SD
I
Shutdown signal input from the stream processor
46
S-AIR FREQ DET
I
S-AIR module frequency detection signal input from the wireless transceiver
47
S-AIR DET
I
S-AIR detection signal input from the wireless transceiver
48
S-AIR_GPIO2
I
S-AIR interrupt signal input from the wireless transceiver
49
KEY_POWER
I
Power key input terminal
50
S-AIR_RESET
O
S-AIR reset signal output to the wireless transceiver “L”: reset
51
KEY_PAIRING
I
SECURE LINK key input terminal
52
SUR_MODE_SW
O
Not used
53
SHIMUKE
O
Destination setting terminal Not used
54
MODEL
O
Model setting terminal Not used
55
FAN_ON
O
Fan motor on signal output terminal Not used
56
FAN_DET
I
Fan motor detection signal input terminal Fixed at “L” in this unit
57
S-AIR_RF_FB
O
Not used
58
NO USE
-
Not used
59
Vss
-
Ground terminal
60
NO USE
-
Not used
61
Vref
I
Reference voltage (+3.3V) input terminal
62
Vcc1
-
Power supply terminal (+3.3V)
63
NO USE
-
Not used
64
S-AIR_CLK
O
S-AIR clock signal output to the wireless transceiver
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