Read Sony TA-SB500WR2 Service Manual online
21
TA-SB500WR2
•
IC Pin Function Description
DIAT AMP BOARD IC107 MB89537APFM-G-1077E1 (SURROUND AMP CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP FSDLY
I
Clock delay switch input terminal Fixed at "L" in this set
2
MOD2
I
Setting terminal for the CPU operation mode Fixed at "L" in this set
3, 4
-
O
Not used
5
SL/SR REV
I
Setting terminal for the SL/SR reverse function Fixed at "H" in this set
6
PWR_PWM_CONT
I
Setting terminal for the power control (fix/variable) Fixed at "L" in this set
7 to 10
-
O
Not used
11
AVCC
-
Power supply terminal (+3.3V) (for A/D converter)
12
AVR
I
Reference voltage (+3.3V) input terminal (for A/D converter)
13
AVSS
-
Ground terminal (for A/D converter)
14
DTVALID
I
Data valid flag input from the RF demodulator "L": invalid, "H": valid
15
CSOD
I
Captor start delay signal input from the RF demodulator "H" active
16
-
I
Not used
17
AC CUT
I
AC cut detection signal input terminal "L": AC cut
18
-
I
Not used
19
/RESET
I
Reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
20, 21
MOD0, MOD1
I
CPU operation mode setting signal input terminal
22
X0
I
Main system clock input terminal (8 MHz)
23
X1
O
Main system clock output terminal (8 MHz)
24
VSS
-
Ground terminal
25
-
O
Not used
26
XRST_INIT
O
Reset signal output to the RF demodulator and stream processor "L": reset
27, 28
-
O
Not used
29
P23
I
Setting terminal for the CPU operation mode Fixed at "L" in this set
30
P22
I
Setting terminal for the CPU operation mode Fixed at "H" in this set
31
-
O
Not used
32
DAMP PWM MODE
I
Setting terminal for the PWM mode output switch Fixed at "H" in this set
33
DAMP_PGMUTE
O
PG muting on/off control signal output to the stream processor "L": muting on
34
DAMP_SOFTMUTE
O
Soft muting on/off control signal output to the stream processor "L": muting on
35
DAMP_NSPMUTE
O
NSP muting on/off control signal output to the stream processor "L": muting on
36
-
O
Not used
37
DRIVER_RST
O
Reset signal output to the power driver "L": reset
38
DRIVER_OCP
I
Shut down state input from the power driver "L": shut down
39
-
I
Not used
40
-
I
Setting terminal for the CPU operation mode Fixed at "H" in this set
41
LED_GREEN
O
LED drive signal output of the ON LINE indicator "H": LED on
42
LED_RED
O
LED drive signal output of the POWER indicator "H": LED on
43 to 47
-
O
Not used
48
SCMODE
O
Control mode selection signal output to the RF demodulator
"L": pin setting, "H": serial setting
"L": pin setting, "H": serial setting
49
-
-
Not used
50
XSCEN
O
Serial interface enable signal output to the RF demodulator
51
DIAT_SCLK
O
Serial interface data clock signal output to the RF demodulator
52
DIAT_SWDT
O
Serial interface data write signal output to the RF demodulator
53
DIAT_SRDT
I
Serial interface data read signal input from the RF demodulator
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