Sony STR-DB2000 Service Manual

79
STR-DA2000ES/DB2000
6-53. IC PIN FUNCTION DESCRIPTION
• MULTI-VIDEO BOARD IC1241 MB90089F-G-238-BND (OSD DRIVER)
Pin No. Pin Name I/O Description
1
YIN I
Y (luminance) signal input terminal
2 CIN I
C (color) signal input terminal
3 VIN I
Composite video signal input terminal
4AVCC—
Power supply terminal (+5V) (for analog system)
5 FSCO O
Internal color burst phase display signal output terminal Not used
6VBLK O
Vertical blanking period signal output terminal Not used
7 VCC —
Power supply terminal (+5V)
8EXSI
Input terminal from the clock generator for external color burst connected to crystal vibrator
(NTSC: 14.31 MHz terminal, PAL: 17.734 MHz)
9XSO
Output terminal from the clock generator for external color burst connected to crystal vibrator
(NTSC: 14.31 MHz, PAL: 17.734 MHz) Not used
10 HSYNC O
Horizontal sync signal output terminal Not used
11
VSYNC O
Vertical sync signal output terminal Not used
12
EXHSYN I
External horizontal sync signal input terminal Not used
13
EXVSYN I
External vertical sync signal input terminal Not used
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
Character and background period signal output terminal Not used
18 to 20 VOC2 to VOC0 O
Color signal output terminal Not used
21
TEST I
Setting terminal for the test “L”: test (normally: fixed at “H”)
22 SCLK I
Serial data transfer clock signal input from the main system controller
23
SIN I
Serial data input from the main system controller
24
CS I
Serial data latch pulse signal input from the main system controller
25
VOUT O
Composite video signal output terminal
26
COUT O
C (color) signal output terminal
27
YOUT O
Y (luminance) signal output terminal
28
AVSS —
Ground terminal (for analog system)

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English