P202 / P203 Power Supply Connector Voltage and Diode Check
P202 White Plug "SMPS Board" To "Panel LEDs"
Pin
Label
TP
Run Diode
Check
P203 Black Plug "SMPS Board" To "Panel LEDs"
Pin
Label
TP
Run Diode
Check
1
LED+
C256+
45V
OL
2
n/c
n/c
n/c
OL
3
VC-3A
EL70
*1.2V~10.4V
OL
4
VC 3B
EL71
*1 2V~10 4V
OL
1
LED+
C256+
45V
OL
2
n/c
n/a
n/c
OL
3
VC-1A
EL62
*1.2V~10.4V
OL
4
VC-1B
EL63
*1 2V~10 4V
OL
4
VC-3B
EL71
1.2V~10.4V
OL
5
VC-3C
EL72
*1.2V~10.4V
OL
6
VC-3D
EL73
*1.2V~10.4V
OL
7
VC-4A
EL74
*1.2V~10.4V
OL
8
VC 4B
EL75
*1 2V 10 4V
OL
4
VC 1B
EL63
1.2V 10.4V
OL
5
VC-1C
EL64
*1.2V~10.4V
OL
6
VC-1D
EL65
*1.2V~10.4V
OL
7
n/c
n/a
n/c
OL
8
VC 2A
EL66
*1 2V 10 4V
OL
8
VC-4B
EL75
*1.2V~10.4V
OL
9
VC-4C
EL76
*1.2V~10.4V
OL
10
VC-4D
EL77
*1.2V~10.4V
OL
11
n/c
n/c
n/c
OL
8
VC-2A
EL66
*1.2V~10.4V
OL
9
VC-2B
EL67
*1.2V~10.4V
OL
10
VC-2C
EL68
*1.2V~10.4V
OL
11
VC-2D
EL69
*1.2V~10.4V
OL
12
/
/
/
OL
P203
P202
1
1
12
LED+
C256+
45V
OL
*White to Black screen
12
n/c
n/a
n/c
OL
13
LED+
C256+
45V
OL
*White to Black screen
45V
*The drive signal changes due to the brightness level of the
b kli ht L
i di t
“B i ht” Hi h i di t
“Di ”
May 2011 LCD TV 42LV5500
50
Diode Mode values taken with all Connectors Removed
backlights. Low indicates “Bright”. High indicates “Dim”.