54
STR-DB870/DB1070
•
VIDEO BOARD IC307 MB90089F-G-238-BND (OSD DRIVER)
Pin No.
Pin Name
I/O
Description
1
YIN
I
Y (luminance) signal input from the Y switch (IC752)
2
CIN
I
C (color) signal input from the C switch (IC750)
3
VIN
I
Composite video signal input from the video select (IC308)
4
AVCC
—
Power supply terminal (+5V) (for analog)
5
FSCO
O
Internal color burst phase display signal output terminal Not used (open)
6
VBLK
O
Vertical blanking timing signal output terminal Not used (open)
7
VCC
—
Power supply terminal (+5V)
8
EXS
I
External clock generator circuit for color burst
(NTSC: 14.31818MHz, PAL: 17.734475MHz)
9
XS
O
Clock signal output terminal for color burst Not used (open)
10
HSYNC
O
Horizontal synchronizing signal output terminal (for test)
11
VSYNC
O
Vertical synchronizing signal output terminal (for test)
12
EXHSYN
I
External horizontal synchronizing signal input terminal Not used (open)
13
EXVSYN
I
External vertical synchronizing signal input terminal Not used (open)
14
VSS
—
Ground terminal
15
EXD
I
Dot clock generator connecting terminal for display
16
XD
O
Dot clock generator connecting terminal for display
17
VOB
O
Blanking signal output terminal Not used (open)
18
VOC2
O
color signal output terminal Not used (open)
19
VOC1
O
color signal output terminal Not used (open)
20
VOC0
O
color signal output terminal Not used (open)
21
TEST
I
Test signal input terminal “L”: test (normally: fixed at “H”)
22
SCLK
I
Serial data transfer shift clock signal input terminal
23
SIN
I
Serial data input terminal
24
CS
I
Chip select signal input terminal “L”: active
25
VOUT
O
Composite video signal output to the video buffer (IC305)
26
COUT
O
C (color) signal output to the video buffer (IC305)
27
YOUT
O
Y (luminance) signal output to the video buffer (IC305)
28
AVSS
—
Ground terminal (for analog)
Summary of Contents for STR-DB1070 - Fm Stereo/fm-am Receiver
Page 85: ...85 STR DB870 DB1070 MEMO ...
