Samsung CL21M21MQUXXAZ, Service Manual

Page: 17 / 63

Alignment and Adjustments
Samsung Electronics 2-15
2-8 Pin Connections and Short Descriptions
Pin No. Pin Name Type
Connection
(If not used)
Short Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
SUPPLY
SUPPLY
IN
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
SUPPLY
SUPPLY
SUPPLY
SUPPLY
SUPPLY
SUPPLY
IN
IN
OUT
IN
OUT
OUT
IN/OUT
OBL
OBL
GND
GND
GND
GND
LV
LV
GND
GND
GND
GND
GND
GND
VSUP5.0BE
VSUP5.0BE
VSUP5.0BE
VSUP5.0BE
OBL
OBL
OBL
OBL
OBL
OBL
OBL
OBL
GND
HOUT
LV
GND
LV
LV
OBL
Ground Platform
Supply Voltage Analog Video Back-end, 5.0 V
Test Input, reserved for Test
Differential Vertical Sawtooth Output
Differential Vertical Sawtooth Output
Vertical Parabola Output
Range Switch 2 Output
Range Switch 1 Output
Sense ADC Input
Reference Ground for Sense ADC
Fast Blank Input, Back-end
Analog Red Input, Back-end
Analog Green Input, Back-end
Analog Blue Input, Back-end
Scan Velocity Modulation Output
Analog Red Output
Analog Green Output
Analog Blue Output
Reference Voltage for RGB DACs
Reference Current for RGB DACs
Supply Voltage Analog Video Back-end, 3.3 V
Ground Platform
Ground Platform
Supply Voltage I/O Ports, 3.3 V (main and standby supply)
Supply Voltage Video DACs, 3.3 V
Ground Video DACs
Safety Input
Horizontal Flyback Input
Horizontal Drive Output
Vertical Protection Input
PWM Vertical Output
Dynamic Focus Vertical Blanking Output
I2C Bus Data Input/Output
GND
VSUP5.0BE
TEST
VERT +
VERT -
EW
RSW2
RSW1
SENSE
GNDM
FBIN
RIN
GIN
BIN
SVMOUT
ROUT
GOUT
BOUT
VRD
XREF
VSUP3.3BE
GND
GND
VSUP3.3IO
VSUP3.3DAC
GNDDAC
SAFETY
HFLB
HOUT
VPROT
PWMV
DFVBL
SDA