ViewSonic PJD5122 - Connecting Video source devices

Software/Firmware Upgrade Process
1. Standby Mode
Low-Power Standby Mode
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This mode is applied for normal situation. If you want to enter this mode, you could just plug
in power cord. Power LED will show Red for 1 sec then show Blue flashing.
When the power LED shows Red, it means system is not ready for low-power standby. In
another word, if the power LED shows Orange, it means system is in low-power standby
mode and the whole system is not supported by power except MCU and its related circuits.
Meanwhile, the power consumption should under 1W.
Full-Power Standby Mode
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This mode is applied for Download firmware or debug.
One method to enter this mode is that you should press and hold keypad Power and Source
together, then plug in power cord. Release the two keypads until the Power LED flash blue.
(Full power standby RS232 command: 0x06, 0x14, 0x00, 0x03, 0x00, 0x34, 0x0c, 0x10,
0x67)
In full-power standby mode, system will be supported by full power but not turn on projector.
You can use DLP composer and communicate with DLP ASIC. Thus, you should download
firmware in this mode.
Download MCU Code and Firmware
Condition
Situation 1
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MCU code is empty (The 1st time to plug in power cord)
Situation 2
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MCU version update
(DDP2431 Flash ver≠EEPROM ver) AND (MCU Flash ver≠MCU ver)
System Action
System needs 15~20 sec to download MCU automatically.
Downloading
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Power LED will show Red and Temp LED will show Green.
Download Success
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System will go back Low-Power standby mode and Power
LED will show Blue flashing.
Download Fail
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Power LED will show Red and Temp LED will show Red.
Notice
Do NOT interrupt power when downloading.
Confidential - Do Not Copy
PJD5122
ViewSonic Corporation
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