Read Sony TA-MR2ES Service Manual online
15
TA-MR2ES
• IC Pin Function Description
AMP BOARD IC400 MB89537APFM-G-662-BNDE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NC
–
Not used
2
MOD2
–
USB programming setting
3
A/D0
I
A/D KEY1 from the TACT SW
4
A/D1
I
A/D KEY2 from the TACT SW
5
VOL A/D L
I
VOL A/D L input from the VR PWB
6
VOL A/D R
I
VOL A/D R input from the VR PWB
7
NC
–
Not used
8
NC
–
Not used
9
NC
–
Not used
10
NC
–
Not used
11
AVCC
–
Power supply terminal (+3.3V)
12
AVR
–
Connect to AVCC
13
AVSS
–
Ground terminal
14
IR SIGNAL IN
I
IR signal input from the IC402
15
AUDIO SENSE
I
AUDIO sensing
16
STOP
I
AC off detection input terminal
17
NC
–
Pull down terminal
18
NC
–
Pull down terminal
19
RST
O
Reset signal output
20
MOD0
I
USB programming setting terminal
21
MOD1
I
USB programming setting terminal
22
X0
O
Crystal pin (OUT)
23
X1
I
Crystal pin (IN)
24
VSS
–
Ground terminal
25
PROTECTOR
I
Protector signal input terminal
26
NC
–
Not used
27
NC
–
Not used
28
NC
–
Not used
29
P23
–
Pull down ground terminal
30
PPG02
–
Pull up Vcc terminal
31
VOL STB
O
Output signal to the IC405
32
NC
–
Not used
33
IR MODE
I
To Auto power selector sw
34
AUDIO MODE
I
To Auto power selector sw
35
12V MODE
I
To Auto power selector sw
36
NC
–
Not used
37
LED2
O
LED control signal output
38
LED1
O
LED control signal output
39
LED0
O
LED control signal output
40
P10
–
USB programming setting terminal
41
12V TRIG IN
I
12V trigger input detection
42
12V TRIG OUT
O
12V trigger output control
43
POWER RELAY
O
Power relay control terminal
44
SPK RELAY
O
Speaker relay control terminal
45
NC
–
Not used
46
SDA
I/O
EEPROM DATA
47
SCL
O
EEPROM CLOCK
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