S7-PRO Maintenance Manual (Basic Version V2.1)
INTERNAL
2012-07-20
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Page 59 of 97
Principles:
SN75LVDS83BZQLR is used as the RGB to LVDS transmitter for T1, having the following
characteristics:
LVDS display SerDes interfaces directly to LCD display panels with integrated LVDS
1.8 V up to 3.3 V tolerant data inputs to connect directly to low-power, low-voltage
application and graphic processors
Transfer rate up to 135 Mpps (mega pixel per second); pixel clock frequency range: 10
MHz to 135 MHz
Operates from a single 3.3 V supply and 170 mW (typ.) at 75 MHz
28 data channels plus clock in low-voltage TTL to 4 data channels plus clock out
low-voltage differential
Consumes less than 1 mW when disabled
The block diagram of SN75LVDS83BZQLR is shown in the following figure.
Remark 1: Although the backlight can be turned on, no image is displayed. See the following
chart for maintenance procedures.
