Hitachi Cp X345 Projector Technical Manual

1
TECHNICAL
Projector
CP-S335/X340/X345
Users Manual – Operating Guide
Technical
Example of computer signalExample of computer signal
Resolution (H x V) H. frequency (kHz) V. frequency (Hz) Rating Signal mode
720 x 400 37.9 85.0 VESA TEXT
640 x 480 31.5 59.9 VESA VGA (60Hz)
640 x 480 37.9 72.8 VESA VGA (72Hz)
640 x 480 37.5 75.0 VESA VGA (75Hz)
640 x 480 43.3 85.0 VESA VGA (75Hz)
800 x 600 35.2 56.3 VESA SVGA (56Hz)
800 x 600 37.9 60.3 VESA SVGA (60Hz)
800 x 600 48.1 72.2 VESA SVGA (72Hz)
800 x 600 46.9...

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Example of  computer signal
Initial set signalsInitial set signals
The following signals are used for the initial settings. The signal timing of some 
computer models may be different. In such case, adjust the items V POSITION 
and H POSITION in the IMAGE menu. 
 
Back porch (B)  Front porch (D)  Back porch (b)  Front porch (d)
 
Display interval (C) 
Display interval (c)
Data Data
H. Sync.  V. Sync.
                  Sync (A)   Sync (a)
Computer/
SignalHorizontal signal timing (μs)
Computer/...

3
TECHNICAL
Connection to the ports
Connection to the portsConnection to the ports
Y
VIDEOAUDIO IN1
RGB IN1
CONTROLRGB IN2 RGB OUT
AUDIO IN2AUDIO OUT
USB S-VIDEO
COMPONENT VIDEOCB/PB
CR/PR
ARGB IN 1, BRGB IN 2, CRGB OUT
D-sub 15pin mini shrink jack 
• Video signal: RGB separate, Analog, 0.7Vp-p, 75Ω terminated (positive)
• H/V. sync. Signal: TTL level (positive/negative)
• Composite sync. Signal: TTL level
    At RGB signal                                   At component video signal 
Pin Signal
1
Video...

4
Connection to the ports
Connection to the portsConnection to the ports
Y
VIDEOAUDIO IN1
RGB IN1
CONTROLRGB IN2 RGB OUT
AUDIO IN2AUDIO OUT
USB S-VIDEO
COMPONENT VIDEOCB/PB
CR/PR
COMPONENT VIDEO GY,  HCB/PB, ICR/PR
RCA jack x3
• System: 525i(480i), 525p(480p), 625i(576i), 750p(720p), 1125i(1080i)
Port Signal
Y Component video Y, 1.0±0.1Vp-p, 75Ω terminator with composite
C
B/PBComponent video CB/PB, 0.7±0.1Vp-p, 75Ω terminator
C
R/PRComponent video CR/PR, 0.7±0.1Vp-p, 75Ω terminator
JS-VIDEO
Mini DIN...

5
TECHNICAL
Connection to the ports
Y
VIDEOAUDIO IN1
RGB IN1
CONTROLRGB IN2 RGB OUT
AUDIO IN2AUDIO OUT
USB S-VIDEO
COMPONENT VIDEOCB/PB
CR/PR
LUSB
USB B type jack
21
34
Pin Signal
1 +5V
2 - Data
3 + Data
4 Ground
MCONTROL
D-sub 9pin plug
• About the details of RS-232C communication, please refer to the following page.
Pin Signal Pin Signal Pin Signal
1 (No connection) 4 (No connection) 7 RTS
2 RD 5 Ground 8 CTS
3 TD 6 (No connection) 9 (No connection)
LM
987654321 

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RS-232C Communication
RS-232C CommunicationRS-232C Communication
6 7 8 9
1 2 3
4
5     6
78
9 12345 
  CONTROL port  RS-232C cable  RS-232C port
  of the projector    of the computer
 - (1)  (1) CD
  RD (2)  (2) RD
 TD (3) (3) TD
 - (4) (4) DTR
  GND (5)  (5) GND
 - (6) (6) DSR
  RTS (7)  (7) RTS
  CTS (8)  (8) DTS
 - (9) (9) RI
Connecting the cable
1. Turn off the projector and the computer.
2. Connect the CONTROL port of the projector with a RS-232C port of the 
computer by a RS-232C cable. Use the...

7
TECHNICAL
RS-232C Communication (continued)
Requesting projector status (Get command)
(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes)+
‘00H’ +‘00H’) from the computer to the projector.
(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)
(1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) + 
setting code (2 bytes)) from the computer to the projector. 
(2) The projector...

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RS-232C Communication (continued)
Names Operation Type HeaderCommand Data
CRC Action Type Setting Code
Power Set Turn off BE  EF 03 06  00 2A  D3 01  00 00  60 00  00
Turn on BE  EF 03 06  00 BA  D2 01  00 00  60 01  00
Get BE  EF 03 06  00 19  D3 02  00 00  60 00  00
(Example return)
  00  00  01  00  02  00
 (Off)  (On)  (Cool down)
Input Source Set RGB IN1 BE  EF 03 06  00 FE  D2 01  00 00  20 00  00
RGB IN2 BE  EF 03 06  00 3E  D0 01  00 00  20 04  00
VIDEO BE  EF 03 06  00 6E  D3 01  00 00  20 01...

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TECHNICAL
RS-232C Communication (continued)
Names Operation Type HeaderCommand Data
CRC Action Type Setting Code
User Gamma Pattern Set Off BE  EF 03 06  00 FB  FA 01  00 80  30 00  00
9 step gray scale BE  EF 03 06  00 6B  FB 01  00 80  30 01  00
15 steps gray scale BE  EF 03 06  00 9B  FB 01  00 80  30 02  00
Ramp BE  EF 03 06  00 0B  FA 01  00 80  30 03  00
Get BE  EF 03 06  00 C8  FA 02  00 80  30 00  00
User Gamma Point 1 Get BE  EF 03 06  00 08  FE 02  00 90  30 00  00
Increment BE  EF 03 06  00...

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RS-232C Communication (continued)
Names Operation Type HeaderCommand Data
CRC Action Type Setting Code
COLOR TEMP GAIN G Get BE  EF 03 06  00 70  F4 02  00 B2  30 00  00
Increment BE  EF 03 06  00 16  F4 04  00 B2  30 00  00
Decrement BE  EF 03 06  00 C7  F5 05  00 B2  30 00  00
COLOR TEMP GAIN B Get BE  EF 03 06  00 8C  F5 02  00 B3  30 00  00
Increment BE  EF 03 06  00 EA  F5 04  00 B3  30 00  00
Decrement BE  EF 03 06  00 3B  F4 05  00 B3  30 00  00
COLOR TEMP 
OFFSET RGet BE  EF 03 06  00 04  F5...