Sony VPL-F430HZ, Service Manual

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1-54 (E)
VPL-FHZ65
1-13. Circuit Description
1-13-1. Video/Audio Signal Processing Board
Q board
The Q board mounts all external input/output connectors.
The mounted connectors are as follows:
.
RS-232C input
.
VGA (D-sub 15-pin) input
.
VGA (D-sub 15-pin) output
.
DVI input
.
DVI output
.
Control S input
.
LAN (RJ-45) input
.
AUDIO IN/OUT
.
Video (BNC) input
.
HDMI input
.
HDBase-T (RJ-45) input
.
USB-A/B (for upgrading firmware)
The Q board also mounts an HDBaseT signal processing circuit, an HDMI/DVI equalizer, switches, and
an audio signal processing circuit.
MX board
The MX board is a network microcomputer board.
The MX board performs the communication between microcomputers through Ether MAC and USB.
C board
The C board mounts a main CPU and sub-CPU. It controls the whole system and processes video and
audio signals.
The main functions of the C board are as follows:
.
Super-resolution signal processing, and image processing such as edge blending or keystone
.
Signal processing of a signal generator circuit for panel driving, protector judgment processing, or
solenoid (auto filter cleaning)
.
Lens shift, zoom, and focus driving
1-13-2. Signal Generation Board
H board
The H board mounts each button on the control panel of this unit.