Electrical Block Diagram - Lenovo L1900P Service Manual

19" LCD Color Monitor

5.2 Electrical Block Diagram

5.2.1 Main Board
EEPROM (U403)
M24C04-WMN6TP
Flash Memory (U402)
SST25LF020A-33-4C-SAE
ESD (U104)
AZC099-04S
Panel Interface
(CN301)
Scalar TSUM5PFHL-LF
(Include MCU, ADC, OSD)
H sync
V sync
RGB
D-Sub Connector
(CN101)
VGA_R+
VGA_SCL
VGA_G+
VGA_SDA
VGA_B+
ESD (U103)
AZC099-04S
Crystal (X401)
14.31818MHZ
(U401)
RX(C) P
RX(C) N
DDC_SCL
DDC_SDA
DVI Connector
(CN102)
RXP
DAT+/-
DAT+/-
RXN
ESD (U105)
AZC099-04S
16
Lenovo L1900P
Keypad Interface
(CN402)
HPD
DVI_HPD
ESD (U107)
AZC099-04S
DDC_SCL
DDC_SDA
RXCP
RXCN
ESD (U106)
AZC099-04S