Microprocessor 1001 Pin Description; 1001 Pin Functions - Hitachi 36SDX88B Service Manual

3. Microprocessor 1001 Pin Description
3.1 1004 Pin Functions
Pin Name
No.
Function
1 RMIN This is the input for remote control signals from the receiver "UGOl".
2 SDA3 This is the data for IIC communication. t2C for 1002, 1003 and Audio
3
SCL3 This is the clock for IIC communication.
4 A/D IN lnout for front control kevs.
23 CREFO
24 VPHO
CREFO is connected to GND. Data slice outout level for CCD.
VPHO is the input for the composite video for CCD.
37 OSDXI
38 vss GND
39 H Sync
40 Mute
. .
IS IS the Irlput for the H. %-for 09-I.
This is the output signal used to mute the audio when changing channels. When the Mute button is pressed, this pin
41 OSD Blanking
42
OSD R
43 OSD G
This pin switches OSD and picture. Picture : Low, OSD : High
This the OSD output for both TV-OSD and PC-OSD. OSD is sent to 1501.