Hitachi ED-S3170A, ED-X3270A Technical Manual

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

Color:

0.286Vp-p (NTSC, burst signal), 75Ω terminator

0.3Vp-p (PAL/SECAM, burst signal), 75Ω terminator

Brightness:

1.0Vp-p, 75Ω terminator

3 Ground

4 Ground

signal Terminal Specification

RGB signal input

RGB IN（1、2）

Video: Analog 0.7Vp-p, 75Ω terminator (positive) H/V. sync.: TTL level (positive/negative) Composite sync.: TTL level D-sub 15-pin shrink jack

AUDIO IN 1

200mVrms,50kΩ (max.3.Ovp-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

0.300Vp-p (PAL/SECAM, burst signal),75Ω terminator

Mini DIN 4-pin jack

AUDIO IN（R、L）

200mVrms, 50 kΩ (max. 3.0Vp-p) RCA jack

Signal output

RGB OUT

Video: Analog 0.7Vp-p, 75Ω output impedance (positive) H/V. sync.: TTL level (positive/negative) Composite sync.: TTL level D-sub 15-pin shrink jack

AUDIO OUT

200mVrms, out put impedance1kΩ (max.3.Ovp-p) Stereo mini jack

Pin No Signal Pin No Signal

1 Video input Red 9 -

2 Video input Green 10 Ground

3 Video input Blue 11 -

4 -

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

RGB IN [1]: SCL (DDC) RGB IN [2]: -

RGB OUT : -

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Resolution

H ××V

fH (kHz) fV (Hz) Rating Signal mode

Display mode

ED-S3170A ED-X3270A

720 × 400

37.9 85.0 VESA TEXT Zoom in Zoom in

640 × 480

31.5 59.9 VESA VGA (60Hz) Zoom in Zoom in

640 × 480

35.0 66.7 Mac13"mode Zoom in Zoom in

640 × 480

37.9 72.8 VESA VGA (72Hz) Zoom in Zoom in

640 × 480

37.5 75.0 VESA VGA (75Hz) Zoom in Zoom in

640 × 480

43.3 85.0 VESA VGA (85Hz) Zoom in Zoom in

800 × 600

35.2 56.3 VESA SVGA (56Hz) Zoom in

800 × 600

37.9 60.3 VESA SVGA (60Hz) Zoom in

800 × 600

48.1 72.2 VESA SVGA (72Hz) Zoom in

800 × 600

46.9 75.0 VESA SVGA (75Hz) Zoom in

800 × 600

53.7 85.1 VESA SVGA (85Hz) Zoom in

832 × 624

49.7 74.5 Mac16"mode Zoom out Zoom in

1024 × 768

48.4 60.0 VESA XGA (60Hz) Zoom out

1024 × 768

56.5 70.1 VESA XGA (70Hz) Zoom out

1024 × 768

60.0 75.0 VESA XGA (75Hz) Zoom out

1024 × 768

68.7 85.0 VESA XGA (85Hz) Zoom out

1152 × 864

67.5 75.0 VESA SXGA (75Hz) Zoom out Zoom out

1280 × 960

60.0 60.0 VESA SXGA (60Hz) Zoom out Zoom out

1280 × 1024

64.0 60.0 VESA SXGA (60Hz) Zoom out Zoom out

1280 × 1024

80.0 75.0 VESA SXGA (75Hz) Zoom out Zoom out

1280 × 1024

91.2 85.0 VESA SXGA (85Hz) Zoom out Zoom out

1600 × 1200

75.0 60.0 VESA UXGA (60Hz) Zoom out Zoom out

EXAMPLE OF COMPUTER SIGNAL

• Some computers may have multiple display screen modes. Use of some

of these modes will not be possible with this projector.

• Be sure to check jack type, signal level, timing and resolution before connecting this projector to a computer.

• Depending on the input signal, full-size display may not be possible in some cases. Refer to the number of display pixels above.

• This projector will display up to UXGA (1600X1200) resolution signals but the image will be rescaled to the native resolution of the projector. Best display performance is achieved when the signal input resolution is the same as the native resolution of the projector.

• The image may not be displayed correctly when the input sync. signal is “Composite Sync.” or “Sync. on G”.

NOTE

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TECHNICAL

The following signals are used for the initial settings. The signal timing of some computer models may be different. In such case, refer to adjust the V.POSIT and H.POSIT of the menu.

DATA

HSYNC

DATA

VSYNC

Display interval c

Back porch b

Sync a

Front porch d

Display interval c

Back porch b

Sync a

Front porch d

Computer /

Signal

Horizontal signal timing (µs)

a b c d

TEXT 2.0 3.0 20.3 1.0

VGA (60Hz) 3.8 1.9 25.4 0.6

Mac 13"mode 2.1 3.2 21.2 2.1

VGA (72Hz) 1.3 3.8 20.3 1.0

VGA (75Hz) 2.0 3.8 20.3 0.5

VGA (85Hz) 1.6 2.2 17.8 1.6

SVGA (56Hz) 2.0 3.6 22.2 0.7

SVGA (60Hz) 3.2 2.2 20.0 1.0

SVGA (72Hz) 2.4 1.3 16.0 1.1

SVGA (75Hz) 1.6 3.2 16.2 0.3

SVGA (85Hz) 1.1 2.7 14.2 0.6

Mac 16"mode 1.1 3.9 14.5 0.6

XGA (60Hz) 2.1 2.5 15.8 0.4

XGA (70Hz) 1.8 1.9 13.7 0.3

XGA (75Hz) 1.2 2.2 13.0 0.2

XGA (85Hz) 1.0 2.2 10.8 0.5

1152×864 (75Hz)

1.2 2.4 10.7 0.6

1280×960 (60Hz)

1.0 2.9 11.9 0.9

1280×1024 (60Hz)

1.0 2.3 11.9 0.4

1280×1024 (75Hz)

1.1 1.8 9.5 0.2

1280×1024 (85Hz)

1.0 1.4 8.1 0.4

1600×1200 (60Hz)

1.2 1.9 9.9 0.4

Computer /

Signal

Vertical signal timimg (lines)

a b c d

TEXT 3 42 400 1

VGA (60Hz) 2 33 480 10

Mac 13"mode 3 39 480 3

VGA (72Hz) 3 28 480 9

VGA (75Hz) 3 16 480 1

VGA (85Hz) 3 25 480 1

SVGA (56Hz) 2 22 600 1

SVGA (60Hz) 4 23 600 1

SVGA (72Hz) 6 23 600 37

SVGA (75Hz) 3 21 600 1

SVGA (85Hz) 3 27 600 1

Mac 16"mode 3 39 624 1

XGA (60Hz) 6 29 768 3

XGA (70Hz) 6 29 768 3

XGA (75Hz) 3 28 768 1

XGA (85Hz) 3 36 768 1

1152×864 (75Hz)

3 32 864 1

1280×960 (60Hz)

3 36 960 1

1280×1024 (60Hz)

3 38 1024 1

1280×1024 (75Hz)

3 37 1024 2

1280×1024 (85Hz)

3 44 1024 1

1600×1200 (60Hz)

3 46 1200 1

INITIAL SET SIGNALS

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