LG RD-JT40 Support and Manuals
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Service Manual - Page 1
...Appearance Description...45 18. Assy D raw ing ...85
1 LG RD-JT40/41 Service Manual
RD-JT40/RD-JT41
SERVICE MANUAL
C a u tio n
Be sure to read cautionary item s described in this m anual before servicing. C o n te n ts
1. Pakng Description...44 17. N ever drop it or give it a shock . D o not touch the electric parts of the bulb. 3. Be sure to yor fingers. Specifications...2 2.
Service Manual - Page 2
SPECIFICATIONS
Projector Specifications Technical Specifications Note: All specifications are subject to change without notice. LG RD-JT40/41 Service Manual
1. General
Product name Model name
Personal Projector RD-JT40 1024*768XGA
RD-JT41 800*600SVGA
Optical Display system
1-CHIP DMD
Lens F/Number
F/2.6
Lamp
210W NSH lamp
Electrical Power supply
AC100 ~ 240V, 3.5A, 50/60 Hz (Automatic)...
Service Manual - Page 3
LG RD-JT40/41 Service Manual
Service Information
Accessories (included in the Standard Package)
Description of parts
Part No. Power cord (EU) Power cord (US) Power cord (UK)
27.82718.281 27.....J3401.001
22.91007.011
Optional Accessories (not included in the Standard Package)
Description of parts
Part No.
Mac adapter (switchable) 20.20118.A15
Spare lamp module
60.J3416.CB1
3
Service Manual - Page 5
...LG PCBA KEYPAD BD DX660 ASSY SUB U/C P896 DS660/LG ASSY LAMP MODULE U DX660 ASSY DOOR LAMP P838 DX660/LG ASSY MANU+WARRANTY LG ASSY REMOTE+CABLE LG DXS660 REMOTE CONTROLLER DXS660 LG SOFT CASE DXS660 LG
3. Shipping Contents
The Projector... REAR FAN HLD MODULE DX660 ASSY REAR CVR MODULE DX660/LG ASSY CAP LENS TRANS. LG RD-JT40/41 Service Manual
Parts No
55.J3405.001 55.J3408.001 60.J3419.001 55...
Service Manual - Page 9
LG RD-JT40/41 Service Manual The projector is equipped with laser pointer/ remote mouse function • Hight quality manual zoom lens • ...• Full-function remote control with 2 quick-release adjuster feet. Projector Features The projector integrates high-performance optical engine projection and a user-friendly design to adjust its tilt angle. 1. Remote Control Description
9
...
Service Manual - Page 10
LG RD-JT40/41 Service Manual The remote control sensors are located in the front/ back of the projector. Installing or Replacing Batteries 10 The distance between the sensor and the remote control should not exceed 6 meters.
Service Manual - Page 12
... size (see the table below). LG RD-JT40/41 Service Manual
6. Width (cm/in )
B. The following standards are :
• Digital-VHS (D-VHS) player
• DVD player
• Satellite Dish HDTV receiver
• DTV tuners
Most of displaying various High Definition TV display modes. Use a
HDTV cable that came with your projector to Various Equipment
HDTV description...
Service Manual - Page 15
...on the control panel of the projector or on the remote control,...settings to optimize the picture quality. Press + to correct keystoning at the top of the image.
to the situation where the projected image is noticeably wider at either the top or bottom. To correct this , press the AUTO key on the control panel of the projector or on the remote control. LG RD-JT40/41 Service Manual...
Service Manual - Page 20
... the projector is detected.
User logo Enables the user to their factory preset values. Three modes are available: Default (BOXLIGHT logo), black screen and blue screen. Blank time Determines the length of time the OSD will display during start-up. Control Menu
FUNCTION
DESCRIPTION
Language sets the language for the OSD control menus. LG RD-JT40/41 Service Manual 4.
Service Manual - Page 23
... red when turning the power on, please contact your dealer.
If the LAMP indicator is off . MAINTENANCE
Lamp Information
Use and Replacement of the projector’s lamp are normal. Caution
The LAMP indicator will light up red, it is too high for 45 minutes. LG RD-JT40/41 Service Manual
9. The LED keeps blinking while the unit is off , the operation...
Service Manual - Page 25
..., please follow the instructions below within 10 minutes of powering on. Consult your local hazardous waste regulations to cool for further help.
25 LG RD-JT40/41 Service Manual Caution
To reduce the risk of severe burns, allow the projector to dispose of this lamp in a proper manner. Resetting Lamp Hours If you of the following possible problems: 1. Temp Information When...
Service Manual - Page 26
... remote control and the projector. TROUBLE SHOOTING
Common Problems & Solutions
PROBLEMS NO POWER
NO PICTURE
TRAPEZOID...LAMP! The lamp has been in operation for 1480 hours, and the power will turn off before turning the projector back on the projector and the power will turn off automatically after the projector is blocking the front and rear receivers. LG RD-JT40/41 Service Manual...
Service Manual - Page 35
...Set provides the DLPTM XGA Projector with digital imaging functionality based on screen in the area outside of the active array. Border artifacts include: Exposed Bond Wires, Exposed Metal 2, and Reflective Edge. 2.9.1 Bond Wires
Bond Wires attach the die to the DLPTM XGA Component Set...Device (DMD) technology.
2. LG RD-JT40/41 Service Manual
DMD Image Specification
1. If visible, they ...
Service Manual - Page 36
... the Microsoft Paintbrush values must be set at 10). Projector degamma shall be run in the sequence listed in Table 1.
36 Refer to nominal. d. The image shall be in focus during all Table 1 tests. 3.2 Test Sequence Tests shall be linear. Refer to Figure 1 for configuration. LG RD-JT40/41 Service Manual
parallel lines outside of the SOM...
Service Manual - Page 44
LG RD-JT40/41 Service Manual
(C) Optical Check
Equipment: Chroma 2250, CL-100
Aspect Ratio: 4:3
User OSD setting: (PC), 30 gray
Final Check
Step
Screen
Check Items
1.Brightness
100% W Pattern
ANSI Lumens Uniformity
2.Contrast Ratio Checker Board ANSI C/R
R Pattern G Pattern
Chromaticity Coordinate x, y Chromaticity ...
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