Circuit Description; Video Signal Processing System; Signal Generation Board - Sony VPL-VW760ES Service Manual

1-9. Circuit Description

1-9-1. Video Signal Processing System

QE board
The input terminal and main CPU are mounted. The QE board controls the whole system. The HDMI
receiving, resolution conversion, contrast, brightness, color, hue, sharpness, gamma correction, I/P con-
version, NR, reality creation, motion flow and 3D processing are performed as the signal processing
related functions.
CA board/CB board
The high-speed interface Rx and panel drive signal generation circuit are mounted. The CA board and CB
board perform the panel gamma and UF correction, and correct/generate the drive pulse according to the
panel characteristics.

1-9-2. Signal Generation Board

CL board
The CL board relays between the Calibration Module and QE board.
M board
The M board relays the harness between the electric lens and QE board.
HA board
The control panel is mounted.
HB board
This board mounts ON/STANDBY and WARNING LED indicators.
LA board
This board mounts a laser diode.
This board detects a laser diode temperature.
LL board
This board drives a fan and wheel.
This board relays the harnesses between the fuse and boards.
NF board
This mounts a remote controller's infrared light receiving section (front) and free-fall detection sensor.
NR board
Infrared light receiving block board from remote control (rear).
1-41 (E)
VPL-VW760ES