Sony STR-D760Z Service Manual page 47

• IC209 OSD Controller (MB90672PF-G-125-BND)
Pin No. Pin Name
1, 2 AD14, AD15
3 to 6 A16 to A19
7 PCE
8 PCLK
9 PDATA OUT
10 PDATA IN
11 GND
12 ALE
13 RDX
14 WRLX
15 WRHX
16 MONITOR
17 VIDEO 2
18 STATUS–OUT
19 VIDEO 1
20 RX (SIN)
21 TX (SOT)
22 P PRES
23 TEST 1
24 DATA (OSD)
25 CLK (OSD)
26 LAT (OSD)
27 —
28 AVCC
29 AVR +
30 AVR –
31 AVSS
32 VOLA/D
33 PREADY
34 GND
35 PSTATUS
36 OK
37 MEMORY FULL
38 BACK UP NG
39 NG
40 P–IR
• Abbreviation
RC: Remote commander
I/O
I/O Address bus and data bus input/output
O Address bus output
Chip Enable output to RC controller (For communication using personal computers)
O
O Clock output to RC controller (For communication using personal computers)
Data output to RC controller (For communication using personal computers)
O
I Data input from RC controller (For communication using personal computers)
Ground
–
Address latch enable output
O
O Read strobe output to data bus
O
Write strobe output to data bus
O
Control–S input (Monitor) (Not used)
I
Control–S input (VIDEO 2)
I
Control–S status output
O
Control–S input (VIDEO 1)
I
Serial data input from mode control (U–ART0 reception)
I
Serial data output to mode control (U–ART0 transmission)
O
Reset output (For communication using personal computers)
O
Test port
O
Serial data output to OSD
O
Serial clock output to OSD
O
Latch output to OSD
O
Not used
–
Power supply (+5.6V)
–
Power supply (+5V)
–
–
Ground
–
I Volume control signal input (Not used)
Learning code reception ready signal input "L" : nothing
I
Ground
–
Infrared rays transmission data status signal input from to RC controller
I
Learing OK signal input from RC controller
I
I Memory full signal input from RC controller
Back up NG signal input from RC controller
I
Learning NG signal input from RC controller
I
Input to the integral calculus circuit of the remote control reception signal
I
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Function