Ic Pin Function Description - Sony STR-DB2000 Service Manual

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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
VSYNC
11
EXHSYN
12
13 EXVSYN
VSS
14
EXD
15
XD
16
17 VOB
18 to 20 VOC2 to VOC0
TE
L 13942296513
TEST
21
22 SCLK
SIN
23
24 CS
VOUT
25
COUT
26
YOUT
27
28 AVSS
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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)
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Description
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