Sony STR-DA3100ES Service Manual page 88

STR-DA3100ES
DIGITAL BOARD IC2701 TMP87C447U-1F23 (SUB SYSTEM CONTROLLER)
Pin No. Pin Name
1 STAT0
2 CARRIER-OUT
3 FLASH
4 MBUS
5 CTRL-LATCH
6, 7 –
8 SIRSTS
9 –
10 SIRCS-INPUT
11 A1-OUT
12 A1-IN
13 GND
14 RESET
15 XIN
16 XOUT
17 GND
18 VDD
19 RESETC
20 RESETN
21 OUTHI1
22 OUTLO1
23 OUTHI2
24 OUTLO2
25 ENDFLG
26 UARTIN
27 to 32 –
33 SIRCS-OUT
34 to 36 –
37 MBUS_TV
38 MBUS_V2
39 MBUS_V1
40 VDD
41 to 44 STAT4 to STAT1
88
I/O
O M-BUS status output to the main system controller
O SIRCS signal on/off control signal output terminal Not used
I Not used
I Not used
I Serial data latch pulse signal input from the main system controller
– Not used
O Not used
– Not used
I SIRCS signal input terminal
O SIRCS signal output for CONTROL A1II Not used
I SIRCS signal input for CONTROL A1II Not used
– Ground terminal
System reset signal input from the reset signal generator "L": reset
I For several hundreds msec. after the power supply rises, "L" is input,
then it changes to "H"
I System clock input terminal (7.28 MHz)
O System clock output terminal (7.28 MHz)
– Ground terminal
– Power supply terminal (+5V)
O Reset signal output to the main system controller
O Not used
O Not used
O Not used
O Model distination signal output to the main system controller
O Model distination signal output to the main system controller
I End flag input from the main system controller
I Serial data input from the RS-232C
– Not used
O SIRCS signal output terminal Not used
– Not used
I Not used
I Not used
I Not used
– Power supply terminal (+5V)
O M-BUS status output to the main system controller
Description