飞利浦32PFL3390T3液晶电视维修手册
Service Manual B32PFL3xxx/T3 (TP.VST59S.P89) LCD TV Service Manual 1. Diagram: 1.1 Function of Board： 1) Main Board: Control all input signals, Decode the video signal, De-interlace, and send digital signals (LVDS signal) sent from image Board and display; 2) Power Board: All the power supply; *Power supply combined with main board 3) Panel: Display all images; 4) IR Board: Receive remote operation; 5) Key Board : buttons of POWER、 SOURCE、 MENU、 VOL+/- ,Channel +/-; 6) AC Power Input: connecting AC power; 1.2 Part apt to decrease： 1) Bezel, Rear Cover and Panel; 2) Terminal of all plugs. 2. Main Board Service Chart 2.1 Main Board and connector definition 2.1.1 Main Board 2.1.2 Main Board interface definition 1）CN8 (14pin/2.0):IR & KEY BOARD CONNECTOR 2）CNA3 (4pin/2.54): SPEAKER CONNECTOR 3）CN12 (2×15PIN/2.0) LVDS INTERFACE 4）CNB803 (3PIN/2.0) LED DRIVER OUTPUT CONNECTOR 2.2 TP.VST59S.P89 frequently malfunction obviate 3. Mainboard Common problems solution 3.1 Power Units Problem Solving Power input 3.2 Display unit(mess) 3.3 Display unit(white screen) 3.4 Audio unit(no sound) 3.5 Function unit (ATV video broke down) 3.6 Function unit (PC) 3.7 Function unit(HDMI,YPbPr,CVBS)
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