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Lenovo Service Manual
5.Block Diagram
5.1 LCD Block Diagram
LCD Block Diagram
5.2 MainBoard Block Diagram
EEPROM
Pm25LD020C
(U403)
5V 3.3V 1.8V
Voltage converter
DC-converter
715G4497P
AC-DC
(5V/12V)
Power Board
AC supply
90V-264V
Crystal 14.318MHZ
5V
Key board
(X401)
Scalar RTD2271W-GR Realtek
(Include ADC, OSD, MCU)
(U401)
Key Board
D-Sub
Connector
Control
(CN101)
(CN401/402)
15
LED backlight
Panel LVDS
Main Board
715G4032M
VGA input
DVI input
Input signal
Panel Interface
(CN406)
DVI
Connector
(CN102)
From PC
L2062W
H sync
V sync
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