Main Pwb Section - LG 50PS80 Training Manual

MAIN PWB SECTION

MAIN PWB SECTION
The following section gives detailed information about the Main
The following section gives detailed information about the Main
board contains the Microprocessor, Audio section, video section
board contains the Microprocessor, Audio section, video section
input, outputs. It also receives all input signals and processes
input, outputs. It also receives all input signals and processes
delivered to the Control board via the LVDS cable. The main tune
delivered to the Control board via the LVDS cable. The main tune
8VSB and QAM) is located on the main board. This board is also w
8VSB and QAM) is located on the main board. This board is also w
television ' s software upgrades are accomplished through the USB input.
television ' s software upgrades are accomplished through the USB input.
This board has no adjustment.
This board has no adjustment.
The Main Board Receives its operational voltage from the SMPS:
The Main Board Receives its operational voltage from the SMPS:
DURING STAND BY 5V:
DURING STAND BY 5V:
DURING RUN: (STBY 5V remains)
DURING RUN: (STBY 5V remains)
• STBY 5V
• STBY 5V
• +5V from the Switched Mode Power Supply
• +5V from the Switched Mode Power Supply
• 12V for Tuner (Stepped down to 5V)
• 12V for Tuner (Stepped down to 5V)
• 17V for Audio
• 17V for Audio
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August 2009 Plasma 50PS80
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