Sunday, February 14, 2016

OPTOMA HD PROJECTOR - HD20 - HD200X - HD2200 - HD20LV - HD21 - HD23 – Service mode - firmware update – Disassembling the top cover – Projector repair and service

Category: Projector Repair and Service 

Contents of this article 

  • Service mode access 
  • Disassembling 
  • firmware update procedure 

OPTOMA HD20 - HD200X - HD2200 - HD20LV - HD21 - HD23

Disassemble Top Cover Module
1. Unscrew 3 screws (as red circle) from the Bottom Cover.
2. Extrude the two sides of the projector as the red arrow and push them as blue arrow.
3. Remove the Top Cover Module.
Note: - When you remove the Top Cover, take care of the connector
(as yellow square) which connected Main Board and Keypad Board Module, then unplug it from Keypad Board Module.
- Avoid damaging when pulling keypad FPC cable.
- Make sure the FPC cable plug into the correct ports when assembling it.

Service Mode
The projector has two kinds of service mode, use different ways to get into each service mode:
1. Turn on the projector
2.(1) Press “Power”, “Left”, “Left” and “Up” button sequentially to get into service mode1.
(2) Press “Power”, “Left”, “Up” and “Down” button sequentially to get into service mode2.
OSD Reset
After final QC step, we have to erase all saved change again and restore the OSD default setting. The following actions will allow you to erase all end-users' settings and restore the default setting:
1. Please get into OSD menu.
2. Execute "Reset" function.
PC MODE
Note: 1. When getting into function test, adjust ‘‘lens shift’" to guarantee the lens at the highest state and the image maximum, and adjust the focus to guarantee the image at the clearest, then start testing.
2. Get into service mode 2 and guarantee that W-Factory is greater than 4650. If not, please follow 4-10 to do "Calculate W-factory", Press "Menu" button to exit service mode 2.
3. Test signal: analog 1920 x 1080@60Hz (for all models),
4. We take HD20 for example here.
Frequency and tracking boundary
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz
- Test Pattern: general-1 or master
- Check and see if the image sharpness is well performed.
- 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 visual wavy noise by Rsync, Frequency or Tracking selection.
- Check if there is noise on the screen.
- Horizontal and vertical position of the video should be adjustable to the screen frame.
Criteria - If there is noise on the screen, the product is considered as failure 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.
Bright pixel
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz 1920 x 1080@60Hz
- Test Pattern: Gray 10
Inspection item - Bright pixel check.
Criteria - Bright pixel is unacceptable in the active zone; 1 pixel is allowed on the frame.
- Adjacent pixels are unacceptable.
Dark Pixel
Procedure - Test equipment: video generator.
- Test signal: analog1920 x 1080@ 60HZ
- Test Pattern: full white
Inspection item - Dead pixels check.
Criteria - The dark pixel is unacceptable in zone A and no more than 2 in zone B under full white pattern.
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
Bright Blemish
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz.
- Test Pattern: Gray 10
Inspection item - Bright blemish check.
Criteria - The bright blemish is unacceptable in zone A and no more than 4 in zone B under gray 10 pattern.
Dark Blemish
Procedure - Test equipment: video generator.
- Test signal: analog 1920 x 1080@60Hz.
- Test Pattern: blue 60
Inspection item - Dark blemish check.
Criteria - The dark blemish is unacceptable in zone A and
no more than 4 in zone B under blue 60 pattern.
Focus test
Procedure - Test equipment: video generator.
- Test signal:analog 1920 x 1080@60Hz
- Test Pattern: full screen
Inspection item - Focus check
Criteria - From screen 2.39 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: 720p, 1080p
- Test Pattern: Master, 64 gray RGBW or SMPTE RP-133
* Please refer to 4-2 to get into service mode 1. Use
720p & 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 saturation
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 unacceptable to have few lines flashing.
- 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 4 color levels.)
- Gray level should not have abnormal color or heavy lines.
- If color appears abnormal, please get into service mode 1 to do color wheel index adjustment.
Calculate W-factory
After changing main board or blower, please do
“Calculate W-factory” by steps below:
(1) Plug power cord in projector.
(2) Hold “Left” button, press “Power” button. Continue holding “Left” button until both Temp LED and Lamp LED light on red. Then release “Left” button, the projector will power on.
Firmware Upgrade Procedure
Equipment Needed
Software : (PW392)
- HD20_FW_xxx
Note: ''xxx'' represent software version.
Hardware :
- projector
- Mini USB cable
- PC or Laptop
- Power Cord (P/N 42.50115G001)
Setup Procedure
1. Plug Power and mini USB cables in the projector, the ON/Standby LED will display "Amber".
2. Hold "Enter"and "Right" buttons, press "Power" button, then release "Power" button and keep holding "Enter" and "Right" buttons, release the "Enter" and "Right" buttons when the power LED flashes in green.
- The PC will ask to install USB driver (only for the first time). Please refer to 5-1-3 for the installation of USB driver.
Note: The system fan and the light will not operate.
Install USB Driver
1. Click on the "Found New Hardware Wizard".
- Select "Install from a list or special location (Advanced)".
- Click "Next".
2. Select "Search for the best driver in these locations."
- Choose "Include this location in the search".
- Click "Browse".
3. Select the folder that contains the driver for your hardware. Click "OK".
4. Wait for several seconds.
5. Click "Continue Anyway".
6. Click "Browse".
7. Choose the file "pwusbio.sys" and open it.
8. Click "Finish".
Firmware Upgrade Procedure
1. Double click the folder ''HD20_FW_xxx''.
2. Execute "FlashUpgrader.exe"
3. - Select "appcode.inf" for Flash File.
- Select "USB" for Connection.
- Click ‘Flash’ button.
4. The "Downloading Flasher.HEX" will run.
5. When Flasher.HEX downloads compeletly, "Downloading Appcode.hex" will run automatically.
6. When message "Flash Completed" appears, click "OK", then click "Close".
7. Press “Power”, “Left”, “Left” and “Up” button to get into service mode 1 to check firmware version.