LG 42PQ30 Training Manual page 63

Y - SUS P207 (Drive Output Plug) TESTING
Y - SUS P207 (Drive Output Plug) TESTING
P104 OF THE
Y-DRIVE PWB
Pin 1
Floating
Ground
P207 OF THE
Y-DRIVE PWB
Y Drive Sig
Y Drive Sig
Floating Gnd
Floating Gnd
Pin 1 on Y-SUS
is backwards
compared to
Y-Drive
CHECKING THE Y CHECKING THE Y
Disconnected from the Y
Disconnected from the Y
Readings from Floating Ground (Pin 1)
RED LEAD
Blk Lead FG
1.) VSC
2.) VSC
3.) nc
4.) FG+5V
5.) FG+5V
6.) SUS Dn
7.) CLK
8.) LE
9.) OC1
10.) Data
11.) nc
12.) SUS Dn
Meter in the Diode Mode
Preliminary Information 42PQ30
63
- - SUS PWB SUS PWB
- DRIVE PWB
- DRIVE PWB
BLACK LEAD
Red Lead FG
Open Open
Open Open
Open Open
1.78V 0.52V
1.78V 0.52V
0V 0V
1.57V 0.59V
1.57V 0.59V
1.67V 0.63V
1.57V 0.59V
1.67V 0.65V
0V 0V