How to enter Service Mode to HP MDTV - Rear Projection TVs
TO ENTER SERVICE MODE [FACTORY MODE]
To enter factory mode menu: Press 'Source', "-", "CC", "SAP".
ALIGNMENT AND FUNCTION TESTS
- Original customers source test => Press 'source' button on the remote control and choose the customer's original settings => Test the defect of customers' complaint and confirm that the main defect have been solved.
- Composite Video Test => [1] - Press 'Source' button on the remote control and select source to Video-1. [2] - Connect to DVD composite signal. => Check any abnormal color, line distortion or any noise in the screen. Check the sound from the speaker.
- Component Video test => [1] - Press 'Source' button on the remote control, and select 'component-1' [2] - Connect DVD component signal => Check any abnormal color, line distortion or any noise in the screen. Check the sound from the speaker.
- HDMI Video test => Press 'Source' button on the remote control and select HDMI-1. Connect DVD HDMI signal. => Check any abnormal color, line distortion or any noise in the screen. Check sound output.
- DVI Video test => Press 'Source' button on the remote control, and select HDMI-2. Connect to DVD DVI signal, including audio signal => Check any abnormal color, line distortion or any noise in the screen. Check for good sound too.
- Tuner test [Antenna] => Press 'Source' button on the remote control, and select Antenna. Connect the antenna => After auto-scanning, press Ch Up/Ch Dn buttons to test channels. Check if lines abnormal color and zigzag on image.
- Tuner test [Cable] => Press 'Source' button on the remote control, and select Cable => After auto-scanning, press Ch+/Ch- buttons to test channels =. Check if lines, abnormal color and zigzag on image.
- Kepad test => Press source button on the remote control and select Component-2 => Connect DVD component signal => Check if keypad function works well.
- Remote control test => Press 'Source' button on the remote control and select Video-2 => Connect DVD composite signal => Check if remote control function well.
ADC CALIBRATION
ADC - YpbPr Calibration.
- Input 'SMPTE' test pattern from generator to TV component port.
- Enter Factory mode. Use cursor on the remote and select 'ADC Calibration' setting.
- Press 'OK' on the remote control.
ADC-VGA CALIBRATION
- Input 16 gray scale pattern from generator to TV VGA port.
- Enter Factory mode. Use cursor on the remote to select 'ADC Calibration' setting.
- Press 'OK' on the remote control.
FIRMWARE UPDATE PROCEDURE
- Software: Zappa Projection Firmware.
- Hardware: Zappa Projection TV; USB Flash Disc.
USB UPGRADE FUNCTION OVERVIEW
- Zappa builds in USB OTG chip for F/W upgrade process; user just put F/W hex code into the USB Flash Disc, and then plug it in to USB receptacle of TV, system will upgrade F/W to appropriate unit. There are 7 units can be upgrade, MTV512, VGA EDID, HDMI 1 EDID, HDMI 2 EDID, Pixel Works Flash, DTV module Flash and CSC 1220.
USB Flash Disc Usage.
- Zappa USB OTG only recongnizes USB flash disc drive, other drives will be ignored.
- File system: USB driver supports FAT 12, FAT 16 and FAT 32 file systems. Also supports OTG HOST mode only.
- File location: User can put F/W hex code in any directory or root directory.
- Sub File Name: Current driver only can recognize *hex sub file name. So need to rename the sub file name to be "hex", such as DTV module, that F/W file name is "vxWorks_user.bin", need to rename it to be "vxWorks_user.hex".
- File Name: Driver recognizes prefix file name and then decide which unit should be upgraded. Can put any characters after prefix, such as date or version . For example, Mtv512_v02.hex, "Mtv512' is the prefix and driver will recognize it and upgrade it to MTV512.
USB UPGRADE PROCEDURE
- Put F/W hex code to USB Flash Disc.
- TV power state at standby mode.
- Plug USB Flash Disc to USB receptacle of TV.
- LED rotates. Except MTV5 Unit.
- Waiting for POWER LED flash or all LED off [MTV512].
- Power On Tv.
- TV shows Upgrade Complete List report.
ERROR HANDLING
- What situation error message occurs.
- Upgrade PixelWorks without flasher.hex.
- Unplug USB disc during updating.
- HEX file format not correct.
- Upgraded unit no response.
