Hitachi Cp Sx635 Technical Manual

1
Projector
CP-SX635
Users Manual – Operating Guide
Technical
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 (85Hz)
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 75.0 VESA SVGA (75Hz)
800 x 600 53.7 85.1 VESA SVGA (85Hz)
832 x 624...

2
Initial set signals
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 time (C) 
Display time (c)
Data Data
H. Sync.  V. Sync.
                  Sync (A)   Sync (a)
Computer/
SignalHorizontal signal timing (μs)
Computer/
SignalVertical signal...

3
DHDMI
• Type :Digital audio/video connector
• Audio signal : Linear PCM (Sampling rate; 32/44.1/48 kHz)
Connection to the portsConnection to the ports
ARGB 1, BRGB 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         
Pin Signal Pin Signal
1
Video Red 9 (No connection)
2 Video Green 10 Ground
3 Video Blue 11 (No connection)
4
(No connection)...

4
LAN
VIDEO
CONTROL AUDIO IN1
AUDIO IN2
AUDIO OUT
RGB
 OUTRGB1
RGB2 HDMI
 R             L      R           L
     AUDIO IN3        AUDIO IN4
CB/PBY
CR/PR
B/CB/PBR/CR/PRG/Y
H
V
USBREMOTE 
CONTROL
    S-VIDEO
Connection to the ports (continued)
4 321
IVIDEO
RCA jack
• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43
• 1.0±0.1Vp-p, 75Ω terminator
HS-VIDEO
Mini DIN 4pin jack
Pin Signal
1Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator
Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator
2Brightness...

5
LAN
VIDEO
CONTROL AUDIO IN1
AUDIO IN2
AUDIO OUT
RGB
 OUTRGB1
RGB2 HDMI
 R             L      R           L
     AUDIO IN3        AUDIO IN4
CB/PBY
CR/PR
B/CB/PBR/CR/PRG/Y
H
V
USBREMOTE 
CONTROL
    S-VIDEO
JAUDIO IN 1, KAUDIO IN 2
Ø3.5 stereo mini jack
• 500 mVrms 47kΩ terminator 
AUDIO IN 3 LR, ML, AUDIO IN 4 NR, OL
RCA jack x2
• 500 mVrms 47kΩ terminator
PAUDIO OUT
Ø3.5 stereo mini jack
• 500 mVrms 1kΩ output impedance
QREMOTE CONTROL
Ø3.5 stereo mini jack
• To be connected with the remote control...

6
LAN
VIDEO
CONTROL AUDIO IN1
AUDIO IN2
AUDIO OUT
RGB
 OUTRGB1
RGB2 HDMI
 R             L      R           L
     AUDIO IN3        AUDIO IN4
CB/PBY
CR/PR
B/CB/PBR/CR/PRG/Y
H
V
USBREMOTE 
CONTROL
    S-VIDEO
Connection to the ports (continued)
TLAN
RJ-45 jack
Pin Signal Pin Signal Pin Signal
1 TX+ 4 - 7 -
2 TX- 5 - 8 -
3 RX+ 6 RX-
87654321
T
S
SUSB
USB B type jack
Pin Signal
1 +5V
2 - Data
3 + Data
4 Ground 

7
RS-232C Communication
RS-232C CommunicationRS-232C Communication
6
78
9 12345     6
78
9 12345 
  CONTROL port  RS-232C cable (Cross)  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...

8
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 changes the...

9
Command Control via the NetworkCommand Control via the Network
Communication Port
The following two ports are assigned for the command control.
TCP #23
TCP #9715
Command Control Settings
Confi gure the following items form a web browser when command control is used.
When the authentication setting is enabled, the following settings are required.
Command Control via the Network
Port Settings
Network Control 
Port1 (Port: 23)Port openClick the [Enable] check box to open [Network 
Control Port1 (Port: 23)]...

10
Command Control via the Network (continued)
Command Format
[TCP #23]
1. Protocol
Consist of header (7 bytes) + command data (6 bytes)
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low: Lower byte of CRC fl ag for command data
CRC_high: Upper byte of CRC fl ag for command data
3. Command data
Command data chart
byte_0 byte_1 byte_2 byte_3 byte_4 byte_5
Action Type Setting code
low high low high low high
Action (byte_0 - 1)
Action Classifi cation Content
1 Set Change setting to desired value.
2...