Sony STR-DA9000ES - Fm Stereo/fm-am Receiver Service Manual page 11

S VIDEO BOARD IC809 MB90T673PF-G-BND (ON SCREEN DISPLAY CONTROLLER)
Pin No. Pin Name
1 AD14
2 AD15
3 A16
4 A17
5 A18
6 A19
7 PCE
8 PCLK
9 PDATA-OUT
10 PDATA-IN
11 GND
12 ALE
13 RDX
14 WRLX
15 WRHX
16 CTR-S-MON
17 CNT-S-V2
18 CTR-S-OUT
19 CTR-S-V1
20 RX (SIN)
21 TX (SOUT)
22 RES
23 —
24 DATA (OSD)
25 CLK (OSD)
26 LAT (OSD)
27 —
28 AVCC
29 AVR+
30 AVR–
31 AVSS
32 VOL A/D
33 XP-RS
34 GND
35 P-TDAT
36 P-OK
37 M FULL
38 BACK UP NG
39 P-NG
40 P-IR
41 MODE0
42 MODE1
43 MODE2
44 HSTX
45 STOP
I/O
I/O
Two way data bus with the program ROM (IC820), S-RAM (IC822) and address data (for
address signal) output to the interface latch (IC818)
I/O
O
O
Address signal output to the program RAM (IC820)
O
O Chip enable signal output to the program RAM (IC820) and S-RAM (IC821, 822)
O
Chip enable signal output to the RC controller (IC815)
O
Serial data transfer clock signal output to the RC controller (IC815)
O
Serial data output to the RC controller (IC815)
I
Serial data input from the RC controller (IC815)
— Ground terminal
O
Address latch enable signal output to the interface latch (IC816, 818)
O
Read strobe signal output to the program RAM (IC820) and S-RAM (IC821, 822)
O
Write strobe signal output to the S-RAM (IC821) (for lower 8 bit)
O
Write strobe signal output to the S-RAM (IC822) (for higher 8 bit)
O Not used (open)
O
Not used (open)
O
Not used (open)
O
Not used (open)
I
Receive data input from the FL drive controller (IC105)
O Transmit data output to the FL drive controller (IC105)
O
Reset signal output to the RC controller (IC815) "L": reset
—
Not used (open)
O
Serial data output to the MB90095PF-G (IC805)
O
Serial data transfer clock signal output to the MB90095PF-G (IC805)
O Serial data latch pulse signal output to the MB90095PF-G (IC805)
—
Not used (open)
—
Power supply terminal (+5V)
I
Reference voltage input terminal (+5V)
I
Reference voltage input terminal (+0V)
—
Ground terminal
I
A/D conversion input terminal for the volume (fixed at "L")
I
Data reception ready signal input from the RC controller (IC815)
—
Ground terminal
Infrared rays transmission data status signal input from the RC controller (IC815)
I
"H": exist, "L": nothing
I
Learning OK status signal input from the RC controller (IC815)
I
Memory full status signal input from the RC controller (IC815)
I
Backup NG status signal input from the RC controller (IC815)
I Learning NG status signal input from the RC controller (IC815)
I
Learn IR signal input terminal "H": no signal
I
Mode selection terminal (fixed at "H")
I
Mode selection terminal (fixed at "L")
I
Mode selection terminal (fixed at "L")
I Hardware standby signal input terminal (fixed at "H")
I
Stop signal input terminal
Function
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