Samsung TXM2790FX, Service Manual

Page: 28 / 53

Alignment and Adjustments
4-14 Samsung Electronics
4-9-2 Pin Assignment Specification (Continued)
PIN NO
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
FUNCTION
I/O
N.C.
GND
Vdd
N.C.
N.C.
Reset
X-In
X-Out
GND
Vdd
R
G
B
COR
Vdd
GND
Vdd
I/O
I/O
N.C.
N.C.
I/O
I/O
N.C.
I/O
ASSIGN
Relay
VDD 3.3V
Reset
X-TAL In
X-TAL Out
VDD 2.5V
OSD-R
OSD-G
OSD-B
CORE
VDD 2.5V
VDD 3.3V
PX.Y
PX.Y
S-Mute
Power
Tilt
IN/OUT
Out
In
In
Out
Out
Out
Out
Out
In
Out
Out
Out
Out
ACTIVE H/L
Low
Low
6MHz
6MHz
High
Low
PWM
DESCRIPTION
Activate Degausssing Coil
Not Used (Programmed Gound Level)
Analog Ground
Not Used (Programmed Gound Level)
Not Used (Programmed Gound Level)
Micom Hardware Reset
Crystal Oscillation Input
Crystal Oscillation Output
Analog Ground
Analog B+
OSD/Caption Output (Red)
OSD/Caption Output (Green)
OSD/Caption Output (Blue)
Fast Blank/Half Contrast Output
When The Caption Function Adopted, Used.
Not Used (Programmed Gound Level)
Sound Amp Mute
Picture On/Off Control
Not Used (Programmed Gound Level)
Tilt Control Output