LG 42PQ30 Training Manual page 65

Y Drive PWB ID
Y Drive PWB ID
5 Volts, Y Drive and Logic Signals from Y SUS Board are supplied to the Drive Board on Connectors P104.
Y-SUS
SIDE
TOP
PANEL
SIDE
Floating Ground from the Y SUS Board
P101, P103, P102 and pins 1 and 7 of P104
P101
Check 5V supply using FL1 or across C18.
Measured from Floating Ground
Y Drive Scan (VSC) Signal Input TP
Or measure at Pins 1 and 2 of P104
Y Drive Scan
Signal Input
Floating Gnd
P103 P102
FL1
Preliminary Information 42PQ30
65
Y Drive and Logic Signals
(Clock and Data) from the
Y SUS Board
+5V
P104
BOTTOM