LG 42LV5500 Training Presentation page 53

P201 Power Supply Connector Voltage and Diode Check
P201 Connector "SMPS Board" To P502 "MAIN Board"
Pin Label
24 ERROR
23 n/c
22 PWM
21 21 12V 12V
20 n/c
19 12V
18 DRV-ON
17 17 12V 12V
16 V-SYNC
13-15 Gnd
9-12 3.5V
5 8 5-8 Gnd G d
2-4 24V
1 PWR-ON
Diode Mode values taken with all Connectors Removed
STBY Run Diode Check
n/c n/c
n/c n/c
0V 0.2V~3.3V
0V 0V 12V 12V
n/c n/c
0V 12V
0V 3.26V
0V 0V 12V 12V
n/c n/c
Gnd Gnd
3.55V 3.53V
G d Gnd G d Gnd
0V 24.5V
0V 2.62V
2.03V
n/c
OL
0 48V 0.48V
n/c
0.48V
OL
0.48V 0 48V
n/c
Gnd
2.63V
G d Gnd
1.09V
1.15V
(1) PDIM1 Pin 22 can vary according to incoming video IRE
level, OSD Backlight setting and then Intelligent Sensor
(room light condition) Output from the Video Processor
IC900. Range 0.37V to 3.3V.
.
53
P201 Connector
are on top
g g
3.66V p/p 50IRE 3 66V p/p 50IRE
May 201 1 LCD TV 42LV5500
Odd pins
row
1
g
P-DIM1