LG 42LG70 Series, Руководство по обучению

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LCD DV 42LG70
32
March 2009
Power Supply Connector P201 Voltage and Diode Check Power Supply Connector P201 Voltage and Diode Check
Diode Mode values taken with all Connectors Removed
Open 0V 0V SYNC 24
Open 1.4V 0V
2
PDIM 22
Open 3.2V 0V INV 20
2.1V 5V 5V ACD 18
Gnd Gnd Gnd Gnd 16
Gnd Gnd Gnd Gnd 14
1.27V 5.1V 5.1V 5V 12
1.27V 5.1V 5.1V 5V 10
Gnd Gnd Gnd Gnd 8
1.6V 12.3V 0V 12V 6
Gnd Gnd Gnd Gnd 4
0.49V 16.2V 0V 16V 2
Diode
Check
Run STBY Label Pin
P201 Even "SMPS" to P800 "Main Board"
Open 0V 0V SEL 23
Open 1.7V 0V
1
ADIM 21
1.6V 2.8V 0V PWR 19
Open 0V 0V ERR 17
Gnd Gnd Gnd Gnd 15
Gnd Gnd Gnd Gnd 13
1.27V 5.1V 5.1V 5V 11
1.27V 5.1V 5.1V 5V 9
Gnd Gnd Gnd Gnd 7
1.6V 12.3V 0V 12V 5
Gnd Gnd Gnd Gnd 3
0.49V 16.2V 0V 16V 1
Diode
Check
Run STBY Label Pin
P201 Odd "SMPS" to P800 "Main Board"
1
ADIM Pin 21 Fixed and not used
2
PDIM Pin 22 can vary according to type of signal
being processed, OSD Backlight setting. 0.9V 0%
to 3.3V 100% and the Intelligent Sensor. Output
from the BCM chip.