Hitachi CPX885 - XGA LCD Projector User Manual

1
TECHNICAL
TECHNICAL
SIGNAL CONNECTOR PIN ASSIGNMENT
RGB IN [1]/[2]
RGB OUT
D-sub 15-pin Shrink Mini Din 4-pin
S-VIDEO
Mini Din 4-pin
Pin No Signal
1
Color:
0.286Vp-p (NTSC, burst signal),
75Ω terminator
0.3Vp-p (PAL/SECAM, burst signal),
75Ω terminator
2
Brightness:
1.0Vp-p, 75Ω terminator
3 Ground
4 Ground
signal Terminal Specification
RGB signal
input
RGB
Video: RGB separate, Analog, 0.7Vp-p, 75Ω terminator (positive)
H/V. sync.: TTL level (positive/negative)
Composite sync.: TTL level
D-sub 15-pin shrink jack
BNC (RGB)
(R,G,B,H,V)
Video: RGB separate, Analog 0.7Vp-p, 75Ω terminator (positive)
H/V. sync.: TTL level (positive/negative)
Composite sync.: TTL level
BNC connector x 5
DVI
TMDS, DC 150-1200 mV/AC 1.56 Vp-p, TTL Level (Positive/Negative)
DVI connector
AUDIO IN 1
200mVrms, 57Ω (max. 3.0Vp-p)
Stereo mini jack
AUDIO IN 2
Video signal
input
VIDEO IN 1.0Vp-p, 75Ω terminator, RCA jack
S-VIDEO IN
Brightness signal: 1.0Vp-p, 75Ω terminator
Color signal: 0.286Vp-p (NTSC, burst signal),75Ω terminator
Color signal: 0.300Vp-p (PAL/SECAM, burst signal),75Ω terminator
Mini DIN 4-pin jack
COMPONENT VIDEO
(C
R/PR, CB/PB, Y)
Y signal: 1.0 Vp-p, 75 Ω terminator
C
R/PR signal: 0.7 Vp-p, 75 Ω terminator
C
B/PB signal: 0.7 Vp-p, 75 Ω terminator
RCA jack x 3 (BNC connector x 5)
BNC (COMPONENT)
(C
R/PR, CB/PB, Y)
AUDIO IN R L
200mVrms, 50 kΩ (max. 3.0Vp-p)
RCA jack
Signal output
RGB OUT
Video: RGB separate, Analog 0.7Vp-p, 75Ω (positive)
Sync.: H,V separate, TTL level (positive/negative)
Composite sync.: TTL level
D-sub 15-pin shrink jack
AUDIO OUT
200mV(rms), output impedance 1kΩ (max. 3.0Vp-p)
Stereo mini jack
Control
functions
CONTROL D-sub 15pin shrink plug
USB USB jack (B type)
Pin No Signal Pin No Signal
1 Video input Red 9 -
2 Video input Green 10 Ground
3 Video input Blue 11 -
4 -
12
RGB IN [1]: SDA (DDC)
5 Ground RGB IN [2]: -
6 Ground Red RGB OUT : -
7 Ground Green 13 H. sync./ Composite sync.
8 Ground Blue 14 Vertical sync
15
RGB IN [1]: SCL (DDC)
RGB IN [2]: -
RGB OUT : -

Hitachi CPX885 - XGA LCD Projector Specifications

General

Contrast Ratio	2000:1
Display Type	LCD
Screen Size	30 - 300 inches
Power Consumption (Eco mode)	250W
Resolution	XGA (1024 x 768)
Input Connectors	S-Video
Output Connectors	VGA, Audio
Dimensions (W x D x H)	365 x 112 x 285 mm
Operating Temperature	5°C to 35°C

Summary

SIGNAL CONNECTOR PIN ASSIGNMENT

Connector Types and Signal Specifications

Details pin assignments and specifications for D-sub 15-pin and Mini Din 4-pin connectors used for input/output signals.

EXAMPLE OF COMPUTER SIGNAL

Supported Computer Signal Modes

Lists compatible computer signal resolutions, frequencies, and timing modes for projector operation.

INITIAL SET SIGNALS

Computer Signal Timing Parameters

Outlines horizontal and vertical signal timing parameters essential for initial projector setup and compatibility.

CONNECTION TO THE MOUSE CONTROL

Mouse Interface and Pinouts

Explains how to connect different types of mice (ADB, Serial, USB, PS/2) to the projector with pinout details.

RS-232C COMMUNICATION

RS-232C Communication Setup and Protocol

Covers the physical connection, communication settings, and basic protocol for controlling the projector via RS-232C.

RS-232C Command Data Format

Details the structure of RS-232C commands, including header, CRC, action, type, and setting code fields.