Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual page 54

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