LG 60PT200C-WA / 60PT200N (CHASSIS:PC11A) Service Manual ▷ View online
3-2. VSC_Main Block
회로도
TMDS DemuX
Main Scaler
Audio Amp.
Sub Micom
DDR
LVDS output
Fan Connection
PSU Connection
1. Definition of the PSU
- This is “Power Supply Unit” or SMPS (Switching Mode Power Supply).
In general, we are called power board.
2. Funtion of the PSU
- The PSU is Device to supply DC power to main board and module. It converts AC power to DC power.
(1) Stable power supply to the PDP TV
(2) Protection of power supply operation\
(3) Sequential power supply
(4) Improve efficiency
(2) Protection of power supply operation\
(3) Sequential power supply
(4) Improve efficiency
3. Configuration of PSU block
(1) AC Input Filter : AC Noise and
EMI corresponding parts
(X-cap, Y-cap, Normal/Common mode choke coil)
(2) AC/PFC Protection Block : TR, Photo coupler etc.
(3) PFC Block : Inductor, FET, Diode, Control IC etc.
(4) STBY Multi output Block : Transformer, FET, Diode, Control IC etc.
(5) Vs/Va output Block : Transformer, FET, Diode, Control IC etc.
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(3) PFC Block : Inductor, FET, Diode, Control IC etc.
(4) STBY Multi output Block : Transformer, FET, Diode, Control IC etc.
(5) Vs/Va output Block : Transformer, FET, Diode, Control IC etc.
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4-1. PSU Overview
460mm
245mm
1. Check the output voltage by DMM (PSU
Î Main)
(Pin No. : 1,2,5,6,7,13,14)
2. Check the output voltage by DMM (PSU
Î Module)
(Pin No. :1,2,6,7,9,10)
P813
P811 or P812
4-2. Features of 60C2 PSU
■ Input Requirement
■ Environmental Requirement
4-3. 60C2 PSU Specification
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