Electrical Block Diagram; Scalar Board Block Diagram - Lenovo LXM-L19BH Service Manual

5.2 ELECTRICAL BLOCK DIAGRAM

5.2.1 SCALAR BOARD BLOCK DIAGRAM

OSD Control
Interface
(Keypad)
CN402
All manuals and user guides at all-guides.com
Crystal
14.31818 MHz
X401
LCD Interface (LVDS)
CN403
Scalar
GM2321 PQFP-208
(Include MCU，ADC，OSD)
U401
RXD
TXD
D-Sub Connector
EPR_SDA
EPR_SCL
EEPROM
U402
Page 14 of 44
Lenovo LXM-L19BH
H Sync
RGB
V Sync
CN301
DB15_SDA
DB15_SCL
EEPROM
U302