Ic Pin Function Description - Sony STR-DA2000ES Service Manual

6-53. IC PIN FUNCTION DESCRIPTION

• MULTI-VIDEO BOARD IC1241 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
15 EXD
XD
16
VOB
17
18 to 20 VOC2 to VOC0
21 TEST
22 SCLK
SIN
23
CS
24
25 VOUT
COUT
26
YOUT
27
AVSS
28
I/O
I
Y (luminance) signal input terminal
I C (color) signal input terminal
I
Composite video signal input terminal
—
Power supply terminal (+5V) (for analog system)
O
Internal color burst phase display signal output terminal Not used
O Vertical blanking period signal output terminal Not used
—
Power supply terminal (+5V)
Input terminal from the clock generator for external color burst connected to crystal vibrator
I
(NTSC: 14.31 MHz terminal, PAL: 17.734 MHz)
Output terminal from the clock generator for external color burst connected to crystal vibrator
O
(NTSC: 14.31 MHz, PAL: 17.734 MHz) Not used
O
Horizontal sync signal output terminal Not used
O Vertical sync signal output terminal Not used
I
External horizontal sync signal input terminal Not used
I
External vertical sync signal input terminal Not used
—
Ground terminal
I Dot clock generator connecting terminal for display
O
Dot clock generator connecting terminal for display
O
Character and background period signal output terminal Not used
O
Color signal output terminal Not used
I Setting terminal for the test "L": test (normally: fixed at "H")
I
Serial data transfer clock signal input from the main system controller
I
Serial data input from the main system controller
I
Serial data latch pulse signal input from the main system controller
O Composite video signal output terminal
O
C (color) signal output terminal
O
Y (luminance) signal output terminal
—
Ground terminal (for analog system)
STR-DA2000ES/DB2000
Description
79