Service Manual
4.2 Electrical Block Diagram
4.2.1 Main Board
Crystal
14.31818MHZ
(X401)
Panel Interface
Scalar TSUMU18ER-1
(Include MCU, ADC, OSD)
(U401)
Keypad Interface
(CN401)
(CN403)
H sync
V sync
RGB
D-Sub Connector
(CN101)
16
ASUS VH222S&VH222D
Flash Memory
SST25LF020A
(U402)