Sony STR-DA3000ES Service Manual page 105

• 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 STAT4
42 STAT3
43 STAT2
44 STAT1
I/O
O M-BUS status output to the main system controller
O SIRCS signal on/off signal output terminal
— Not used (Connected to VDD)
— Not used (Connected to VDD)
I Serial data latch pulse input from the main system controller
— Not used (open)
— Not used (Connected to VDD)
— Not used (open)
I SIRCS signal input terminal
O Sircs signal output for CONTROL A1 II
I Sircs signal input for CONTROL A1 II
— Ground terminal
System reset signal input from the reset signal generator "L": reset
I
I Main system clock input terminal (7.28 MHz)
O Main 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 (open)
O Not used (open)
O Not used (open)
O Model distination signal output terminal
O Model distination signal output terminal
I End flag input from the main system controller
I Serial data input from the RS-232C
— Not used (open)
O SIRCS signal output terminal
— Not used (open)
— Not used (Connected to ground)
— Not used (Connected to ground)
— Not used (Connected to ground)
— Power supply terminal (+5V)
O M-BUS status output to the main system controller
O M-BUS status output to the main system controller
O M-BUS status output to the main system controller
O M-BUS status output to the main system controller
Description
STR-DA3000ES
105