Contents

CONTENTSCOVER

10

Before use

 

SAFETY PRECAUTIONS

2

IMPORTANT PRECAUTIONS

3

IMPORTANT SAFETY INSTRUCTIONS

4

Power supply cord selection

9

Contents

10

Names of each part on the main unit

11

Names of each part on the remote control

14

Loading batteries

15

Remote control operation

16

Adjustments & Settings

 

Operating the menu screen

42

GUIDE MENU adjustments and settings

44

FULL MENU adjustments and settings - Picture

45

FULL MENU adjustments - Position

46

FULL MENU adjustments - Color

47

FULL MENU adjustments and settings - Audio

48

FULL MENU adjustments and settings - Display

49

FULL MENU settings - Default setting

50

FULL MENU settings - Reset

51

PIP menu setting

52

Before use

Installation and connections

 

Floor-mounted projector placement

17

Lens shift function

20

Projector placement angle adjustment (Foot adjuster) ..

21

Ceiling-mounted projector placement

22

Connecting a computer

23

Connecting video equipment

24

Projector operation control by a computer

26

Operations

 

Projection on the screen

27

Turning the power off

32

Adjusting the picture automatically

33

Correcting the keystone distortion

34

Cutting off the picture and sound temporarily

35

Freezing the picture

36

Enlarging the picture size

37

Displaying PIP Sub-pictures

38

Displaying Information

39

Operating the presentation mode

40

Document imaging camera

 

Part names (of the document imaging camera model) ...

53

Preparation of the document imaging camera

54

Picture projection with the document imaging camera ..

55

Locking the white balance

58

Correcting illuminated defects

59

Maintenance

 

Trouble indications

60

Air filter cleaning

61

Lens and main unit cleaning

63

Lamp replacement

64

Others

 

Before calling service personal

66

Pin assignment of COMPUTER connector

68

Applicable signal

69

Controlling the projector by using RS-232C

71

Specifications

76

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Toshiba TLP551, 251, 250, TLP550 owner manual Contents

251, TLP550, TLP551, 250 specifications

Toshiba has long been recognized for its innovation in the field of semiconductor technology, particularly in the area of optoelectronic devices. Among its extensive portfolio, the Toshiba TLP series stands out, especially models such as the TLP250, TLP551, TLP550, and TLP251. These optoisolators are designed to provide exceptional performance in various applications, including industrial controls, communication equipment, and power supplies.

The TLP250 is a high-speed transistor optoisolator that boasts a maximum data transmission rate of up to 10 Mbps. It is designed for applications where precise isolation between input and output is critical. The device employs a GaAlAs light-emitting diode, ensuring a fast response time and efficient operation. Its package includes a phototransistor, which enables it to switch high voltages and currents, making it ideal for driving loads in various circuits.

In contrast, the TLP551 offers a higher level of phototransistor isolation with a breakdown voltage of up to 5 kV. This model is well-suited for environments where electrical noise is a concern, as it provides reliable and stable isolation. With a maximum forward current of 50 mA, the TLP551 ensures that even in complex industrial settings, signal integrity can be maintained effectively.

The TLP550 is another noteworthy optoisolator, characterized by its compact size and robust performance. It also integrates a phototransistor output, which allows for a high degree of flexibility in design. This model is engineered to deliver a maximum isolation voltage of 3.75 kV, making it suitable for various high-voltage applications.

Finally, the TLP251 offers a unique combination of features tailored for demanding applications. With its high-speed response and excellent voltage gain, it is particularly advantageous in communication systems. Its ability to provide isolation while transferring data makes it an essential component for many digital interfaces.

In summary, the Toshiba TLP series, including models like the TLP250, TLP551, TLP550, and TLP251, exemplify the brand's commitment to quality and innovation in optoelectronic devices. These models are engineered to meet the rigorous demands of modern applications, offering features such as high-speed operation, significant isolation voltage ratings, and versatile output options. For engineers and designers, choosing the right Toshiba optoisolator can significantly enhance the reliability and efficiency of their electronic systems.