LG 32LH30 Series, Руководство по обучению

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LCD DV 32LH30
67
Spring 2009
Main PWB Connector P700 to Power Supply Voltage and Diode Check Main PWB Connector P700 to Power Supply Voltage and Diode Check
Diode Check taken with meter in Diode Mode with all Connectors Removed
1.33V 3.2V 0V
2
PWM-DIM 24
Gnd 0V 0V Err Out 22
3.17V 4.67V 0V INV ON 20
Open 24.8V 0V 24V 18
Gnd Gnd Gnd Gnd 16
Open 12.3V 0V 12V 14
Gnd Gnd Gnd Gnd 12
1.5V 5.14V 5.14V 5.2V 10
1.5V 5.14V 5.14V 5.2V 8
Gnd Gnd Gnd Gnd 6
Gnd Gnd Gnd Gnd 4
2.8V 4.99V 0V PWR-ON 2
Diode
Check
Run STBY Label Pin
Open nc nc nc 23
Open 1.65V 0V
1
BR1 21
Open nc nc nc 19
Open 24.8V 0V 24V 17
Gnd Gnd Gnd Gnd 15
Open 12.3V 0V 12V 13
Gnd Gnd Gnd Gnd 11
1.5V 5.14V 5.14V 5.2V 9
1.5V 5.14V 5.14V 5.2V 7
Gnd Gnd Gnd Gnd 5
Gnd Gnd Gnd Gnd 3
Open nc nc nc 1
Diode
Check
Run STBY Label Pin
1 BR1 (A-DIM) Pin 21 Fixed and not used 2 PDIM Pin 24 can vary according to type of signal
being processed, OSD Backlight setting. 0.6V 0%
to 3.3V 100% and the Intelligent Sensor. Output
from the video processor chip.
P700 “Main PWB" to P201 “SMPS PWB"
Odd Pins Even Pins