Circuit Description - ViewSonic VS11425 Service Manual

4. Circuit Description

RTD2553V
LCD Monitor/MFM Controller
General
  E mbedded dual DDC with DDC1/2B/CI
  Z oom scaling up and down
  N o external memory required.
  R equire only one crystal to generate all timing.
  P rogrammable 3.3V/5V detection reset
  E mbedded crystal output to micro
  3 channels 8 bits PWM output, and wide range
Analog RGB Input Interface
  I ntegrated 8 -bit triple-channel 210/165 (optional) MHz ADC/PLL
  E mbedded programmable Schmitt
  S upport Sync On Green (SOG) and various kinds
  O n -chip high-performance hybrid PLLs
  H igh resolution true 64 phase ADC PLL
  Y /Pb/Pr support up to HDTV 1080i resolution
  S upport 2/1 Analog input (optional
Digital Video Input Interface
  S upport 8 -bit video (ITU 656) format input
  S upport 16 -bit video (ITU 601) format input (optional)
  B uilt -in YUV to RGB color space converter & de-interlace
DVI Compliant Digital Input Interface (optional)
  S ingle l ink on-chip TMDS receiver
  S upport to 165Mhz with long cable
  A daptive algorithm for TMDS capability
  D ata enable only mode support
  H igh -Bandwidth Digital Content Protection (HDCP 1.1) (optional only in H version)
  E nhanced protection of HDCP se
Auto Detection /Auto Calibration
  I nput format detection
  C ompatibility with standard VESA mode and
  S mart engine for Phase/Image position/Color
Scaling
  F ully programmable
  I ndependent horizontal/vertical scaling
  A dvanced zoom algorithm provides high image
  S harpness/Smooth filter enhancement
  S upport non
Vivid Color.
  D ynamic Contrast Control (DC
  I ndependent Color Management (ICM)
  T rue 10 bits color processing engine
  s RGB compliance
  A dvanced Dithering logic for 18
  D ynamic overshoot
  B rightness and contrast control
  P rogr ammable 10-bit gamma support
Output Interface
  F ully programmable display timing generator
  F lexible data pair swapping for easier system
  P rogrammable TCON function support
  M ulti -output interface (RSDS/LVDS/TTL)on single PCB
  S pread -Spectrum DPLL to reduce EMI
  F ixed Last Line output for perfect panel
Host Interface
 S upport MCU serial/parallel bus interface.
 S upport MCU dual edge data latch.
ViewSonic Corporation
-controller.
trigger of HSYNC
)
cret key (optional only in H version)
zoom ratios
-linear scaling from 4:3 to 16:9 or 16:9 to 4:3
C)
-bit panel color depth enhancement
-smear canceling engine
output.
selectable PWM frequency.
of composite sync modes
support user-defined mode
calibration
quality
design.
capability
17
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VG2030wm-1