Thursday, February 11, 2016

OPTOMA - HD DLP PROJECTOR - HD65 - GT-7000 - HD700X - Service mode - Lamp Hour reset – Firmware update – picture adjustments – Projector repair and

Category: Projector Repair and Service 

Contents of this article 

  • Lamp hour reset procedure 
  • How to access service mode 
  • Firmware update procedure 

OPTOMA HD65 - GT-7000 - HD700

Re-write Lamp Usage Hours
1. Get into service mode
# Press (Power > Left > Left > Up) to get into service mode.
2. Use “Up” or “Down” key to make light mark stay on the “Exit”.
3. Use “Left” or “Right” key to re-write the lamp hour back to previous lamp usage hours.
Note: Left key = decrease lamp hour Right key=increase lamp hour
4. Press “Enter” to exit service mode.
Function Test & Alignment Procedure
Test Equipment Needed
# IBM PC with XGA/SVGA resolution
# DVD player with Multi-system (NTSC/PAL/SECAM), equipped “Component”, “S-Video” , “Composite” and "HDMI".
# HDTV Source (480P , 1080i , 1080P)
# Minolta CL-100
# Quantum Data 802B or CHROMA2327 (Color Video Signal & Pattern Generator)
# After changing parts, check the information below.
Service Mode
1. Turn on the projector
2. Do the following actions sequentially to enter service mode menu
(1) Press “Power”, “Left”, “Left” and “Up” button sequentially.
(2) Service mode will be shown.
(3) After confirming the configuration, press "Exit" to exit.
OSD Reset
The following actions will allow you to erase all end-users' settings and
restore the default setting:
(1) Please enter OSD menu.
(2) To execute "Reset" function.
PC MODE
Frequency and tracking boundary
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz
# Test Pattern: general-1 or master
# Check and see if the image sharpness is wellperformed.
# If not re-adjust by the following steps:
(1) Select "Frequency" function to adjust the total pixel number of pixel clock in one line period.
(2) Select "Tracking" function and use right or left arrow key to adjust the value to minimize video flicker.
# Adjust Resync or Frequency/Tracking/H. Position/V. Position to the inner screen. Inspection item - Eliminate visul wavy noise by Rsync, Frequency or Tracking selction.
# Check if there is noise on the screen.
# Horizontal and vertical position of the vedio should be adjustable to the screen frame. Criteria - If there is noise on the screen, the product is considered as faliure product.
# If there is noise on the screen, use auto or manual “frequency” function or “tracking” function to adjust the screen.
# The PC mode functionally sure be workable include support format with frequency and auto detected functional will be workable.
Light Leak
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz
# Test Pattern: gray 30 patterns
# Check if the light leaks.
# Light leak on reflective edge, eyecatcher, bondwires and exposed metal. Inspection item - Light leak check.
# Bright blemish (dirty).
Criteria - The pattern cannot accept the color level of the leakage is brighter than the gray 30 pattern.
Note: The defect criteria follows TI specification.
Blemish (Dark)
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz.
# Test Pattern: blue 60
Inspection item - Dark blemish check.(dirty)
Criteria - The bright blemish is unacceptable when it appears on blue 60 pattern.
Note: The defect criteria follows TI specification.
Dead Pixel (Bright pixel)
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz.
# Test Pattern: full black
Inspection item - Bright pixel check.
Note: Frame dimension under operative zone1 inch
Criteria - Bright pixel is unacceptable.
Note: The defect criteria follows TI specification.
Dead Pixel (Dark pixel)
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz.
# Test Pattern: full white
Inspection item - Dead pixels check.
# White pattern (IRE=100)
# Adjacent dark pixel.
Criteria - The number of the dead pixels should be less or equal to 6 pixels.
# Adjacent pixel with each other is unacceptable.
Note: The defect criteria follows TI specification.
Focus test
Procedure - Test equipment: video generator.
# Test signal: analog 1280 x 720@60Hz
# Test Pattern: full screen or MEME Sony
Inspection item - Focus check
Criteria - From screen 2.1 M via visual to check the focus, look at the entire screen, focus shall be clear, crisp, and sharp over the entire surface of the display pattern.(Blur word on one of the corner after adjustment is acceptable. However, the word should at least be recognizable.)
Color performance
Procedure - Test equipment: video generator.
# Test signal: DVI 1080p,1080i
# Test Pattern: Master, In focus II or SMPTE RP- 133
Enter service mode. Use 1080i & 1080P signal, master pattern to do HDTV test. Color cannot discolor to purple and blue.
Inspection item - Check if each color level is well-functioned.
# color saturations
Criteria - Screen appears normal. It should not have any abnormal condition, such as lines appear on the screen and so on.
# Color appears normal.
# It is acceptable to have few lines flashing at the center and on the edge of 1080P image. However, rest of the image should appears stable.
# RGBW should all appear normal on the screen and sort from R -G-B-W.
# Color levels should be sufficient and normal. (the unidentified color levels on both left and right sides should not over 8 color levels.)
# Gray level should not have abnormal color or heavy lines.
# The PC mode functionally sure be workable include support format with frequency and auto detected functional will be workable.
Firmware Upgrade
Equipment Needed
Software : (DDP 2230- USB)
# DLP Composer
# Firmware
# Library file (library file has to put in PC and set right path in 5-4 step 4)
Hardware :
# Projector
# Power cord:42.50115G001
# USB Cable:42.00280G001
# PC or Laptop
DLP Composer Lite Setup Procedure
1. Choose “DLP Composer Lite V7.1 Setup” Program.
2. Click “Next” buttom
3. Read “License Agreement.”
# Choose “I accept and agree to be bound by all the terms and conditions of this License Agreement.”
# Click "Next" button.
4. Click “Next” button.
5. Click “Next” button.
6. Click “Next” button.
7. The program is executing"Initializing"status
8. Click “Finish.”
USB Driver Upgrade Procedure
1. Set up
# Connect the Projector with PC by USB cable.
3 It will show as the right picture.
3 Select the item as red circle show.
# Click "Next" button.
2. Installation
# Cilck “Finish“ and then the USB driver has been set up successfully.
Firmware Upgrade Procedre
1. Set-up
# Hold on “Menu” button then plug in power cord.
# Once lamp and temp LED light up, plug in USB cable into the projector and link to the USB port of PC.
Note: The system fan and the light will not operated.
2. Execute the “DLP ComposeTM” file.
3. Click “edit” and “perferences.”
4. Click “Library.”
# The library path located in the default installation directory
# E:\Program FIles\DLP Composer Lite 7.1\library v7.1 0330
Note: If not, press “Browse” to select the right path.
5. Select “Edit\preferences\Communications”
# Choose “USB.” Click “OK.”
6. Choose “Flash Loader.”
# Click “Browse” to search the firmware file.
# Skip Boot Loader Area choose"32KB"
7. Click “Reset Bus” to erase the flash memory
Note: If the error message“cannot open USB driver - No projectors found” appears, please unplug the USB Cable and replug, then check Driver. Finally,repeat procedure
7. Click “Reset Bus” to erase the flash memory.
8. If the firmware is ready, click “start download” to process the firmware upgrade.
# Click “Yes” to erase the flash memory.
9. Proceeding Picture.
10. When firmware upgrade process is finished, the unit return to stand-by status.
The LED power lights on and appears blue.
# Unplug USB cable and power cord and replug in power cable.
11. Restart the unit and enter the Service mode to check the firmware version.